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-rw-r--r--builtin/add.c19
-rw-r--r--builtin/am.c2411
-rw-r--r--builtin/apply.c396
-rw-r--r--builtin/blame.c990
-rw-r--r--builtin/branch.c208
-rw-r--r--builtin/bundle.c8
-rw-r--r--builtin/cat-file.c227
-rw-r--r--builtin/check-attr.c4
-rw-r--r--builtin/check-ignore.c4
-rw-r--r--builtin/check-mailmap.c2
-rw-r--r--builtin/check-ref-format.c2
-rw-r--r--builtin/checkout-index.c34
-rw-r--r--builtin/checkout.c149
-rw-r--r--builtin/clean.c55
-rw-r--r--builtin/clone.c271
-rw-r--r--builtin/column.c2
-rw-r--r--builtin/commit-tree.c4
-rw-r--r--builtin/commit.c460
-rw-r--r--builtin/config.c186
-rw-r--r--builtin/count-objects.c103
-rw-r--r--builtin/describe.c38
-rw-r--r--builtin/diff-files.c2
-rw-r--r--builtin/diff-index.c2
-rw-r--r--builtin/diff-tree.c10
-rw-r--r--builtin/diff.c1
-rw-r--r--builtin/fast-export.c350
-rw-r--r--builtin/fetch-pack.c2
-rw-r--r--builtin/fetch.c151
-rw-r--r--builtin/fmt-merge-msg.c41
-rw-r--r--builtin/for-each-ref.c1108
-rw-r--r--builtin/fsck.c149
-rw-r--r--builtin/gc.c99
-rw-r--r--builtin/get-tar-commit-id.c5
-rw-r--r--builtin/grep.c20
-rw-r--r--builtin/hash-object.c101
-rw-r--r--builtin/help.c20
-rw-r--r--builtin/index-pack.c398
-rw-r--r--builtin/init-db.c80
-rw-r--r--builtin/interpret-trailers.c44
-rw-r--r--builtin/log.c133
-rw-r--r--builtin/ls-files.c49
-rw-r--r--builtin/ls-remote.c2
-rw-r--r--builtin/ls-tree.c20
-rw-r--r--builtin/mailinfo.c40
-rw-r--r--builtin/mailsplit.c16
-rw-r--r--builtin/merge-base.c8
-rw-r--r--builtin/merge-file.c7
-rw-r--r--builtin/merge-index.c2
-rw-r--r--builtin/merge-tree.c18
-rw-r--r--builtin/merge.c363
-rw-r--r--builtin/mv.c183
-rw-r--r--builtin/name-rev.c17
-rw-r--r--builtin/notes.c336
-rw-r--r--builtin/pack-objects.c155
-rw-r--r--builtin/pack-redundant.c2
-rw-r--r--builtin/pack-refs.c2
-rw-r--r--builtin/patch-id.c86
-rw-r--r--builtin/prune-packed.c70
-rw-r--r--builtin/prune.c92
-rw-r--r--builtin/pull.c887
-rw-r--r--builtin/push.c81
-rw-r--r--builtin/read-tree.c21
-rw-r--r--builtin/receive-pack.c775
-rw-r--r--builtin/reflog.c312
-rw-r--r--builtin/remote-ext.c13
-rw-r--r--builtin/remote.c132
-rw-r--r--builtin/repack.c115
-rw-r--r--builtin/replace.c399
-rw-r--r--builtin/rerere.c24
-rw-r--r--builtin/reset.c16
-rw-r--r--builtin/rev-list.c6
-rw-r--r--builtin/rev-parse.c106
-rw-r--r--builtin/revert.c4
-rw-r--r--builtin/rm.c16
-rw-r--r--builtin/send-pack.c200
-rw-r--r--builtin/shortlog.c4
-rw-r--r--builtin/show-branch.c110
-rw-r--r--builtin/show-ref.c32
-rw-r--r--builtin/submodule--helper.c282
-rw-r--r--builtin/symbolic-ref.c6
-rw-r--r--builtin/tag.c373
-rw-r--r--builtin/unpack-objects.c28
-rw-r--r--builtin/update-index.c240
-rw-r--r--builtin/update-ref.c490
-rw-r--r--builtin/verify-commit.c94
-rw-r--r--builtin/verify-pack.c12
-rw-r--r--builtin/verify-tag.c32
-rw-r--r--builtin/worktree.c375
88 files changed, 10266 insertions, 4676 deletions
diff --git a/builtin/add.c b/builtin/add.c
index 459208a..b2a5c57 100644
--- a/builtin/add.c
+++ b/builtin/add.c
@@ -5,6 +5,7 @@
*/
#include "cache.h"
#include "builtin.h"
+#include "lockfile.h"
#include "dir.h"
#include "pathspec.h"
#include "exec_cmd.h"
@@ -18,7 +19,7 @@
#include "argv-array.h"
static const char * const builtin_add_usage[] = {
- N_("git add [options] [--] <pathspec>..."),
+ N_("git add [<options>] [--] <pathspec>..."),
NULL
};
static int patch_interactive, add_interactive, edit_interactive;
@@ -180,7 +181,7 @@ static int edit_patch(int argc, const char **argv, const char *prefix)
char *file = git_pathdup("ADD_EDIT.patch");
const char *apply_argv[] = { "apply", "--recount", "--cached",
NULL, NULL };
- struct child_process child;
+ struct child_process child = CHILD_PROCESS_INIT;
struct rev_info rev;
int out;
struct stat st;
@@ -207,14 +208,14 @@ static int edit_patch(int argc, const char **argv, const char *prefix)
if (run_diff_files(&rev, 0))
die(_("Could not write patch"));
- launch_editor(file, NULL, NULL);
+ if (launch_editor(file, NULL, NULL))
+ die(_("editing patch failed"));
if (stat(file, &st))
die_errno(_("Could not stat '%s'"), file);
if (!st.st_size)
die(_("Empty patch. Aborted."));
- memset(&child, 0, sizeof(child));
child.git_cmd = 1;
child.argv = apply_argv;
if (run_command(&child))
@@ -284,7 +285,7 @@ static int add_files(struct dir_struct *dir, int flags)
for (i = 0; i < dir->ignored_nr; i++)
fprintf(stderr, "%s\n", dir->ignored[i]->name);
fprintf(stderr, _("Use -f if you really want to add them.\n"));
- die(_("no files added"));
+ exit_status = 1;
}
for (i = 0; i < dir->nr; i++)
@@ -299,7 +300,6 @@ static int add_files(struct dir_struct *dir, int flags)
int cmd_add(int argc, const char **argv, const char *prefix)
{
int exit_status = 0;
- int newfd;
struct pathspec pathspec;
struct dir_struct dir;
int flags;
@@ -345,7 +345,7 @@ int cmd_add(int argc, const char **argv, const char *prefix)
add_new_files = !take_worktree_changes && !refresh_only;
require_pathspec = !take_worktree_changes;
- newfd = hold_locked_index(&lock_file, 1);
+ hold_locked_index(&lock_file, 1);
flags = ((verbose ? ADD_CACHE_VERBOSE : 0) |
(show_only ? ADD_CACHE_PRETEND : 0) |
@@ -375,7 +375,6 @@ int cmd_add(int argc, const char **argv, const char *prefix)
if (add_new_files) {
int baselen;
- struct pathspec empty_pathspec;
/* Set up the default git porcelain excludes */
memset(&dir, 0, sizeof(dir));
@@ -384,7 +383,6 @@ int cmd_add(int argc, const char **argv, const char *prefix)
setup_standard_excludes(&dir);
}
- memset(&empty_pathspec, 0, sizeof(empty_pathspec));
/* This picks up the paths that are not tracked */
baselen = fill_directory(&dir, &pathspec);
if (pathspec.nr)
@@ -443,8 +441,7 @@ int cmd_add(int argc, const char **argv, const char *prefix)
finish:
if (active_cache_changed) {
- if (write_cache(newfd, active_cache, active_nr) ||
- commit_locked_index(&lock_file))
+ if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK))
die(_("Unable to write new index file"));
}
diff --git a/builtin/am.c b/builtin/am.c
new file mode 100644
index 0000000..4f77e07
--- /dev/null
+++ b/builtin/am.c
@@ -0,0 +1,2411 @@
+/*
+ * Builtin "git am"
+ *
+ * Based on git-am.sh by Junio C Hamano.
+ */
+#include "cache.h"
+#include "builtin.h"
+#include "exec_cmd.h"
+#include "parse-options.h"
+#include "dir.h"
+#include "run-command.h"
+#include "quote.h"
+#include "tempfile.h"
+#include "lockfile.h"
+#include "cache-tree.h"
+#include "refs.h"
+#include "commit.h"
+#include "diff.h"
+#include "diffcore.h"
+#include "unpack-trees.h"
+#include "branch.h"
+#include "sequencer.h"
+#include "revision.h"
+#include "merge-recursive.h"
+#include "revision.h"
+#include "log-tree.h"
+#include "notes-utils.h"
+#include "rerere.h"
+#include "prompt.h"
+
+/**
+ * Returns 1 if the file is empty or does not exist, 0 otherwise.
+ */
+static int is_empty_file(const char *filename)
+{
+ struct stat st;
+
+ if (stat(filename, &st) < 0) {
+ if (errno == ENOENT)
+ return 1;
+ die_errno(_("could not stat %s"), filename);
+ }
+
+ return !st.st_size;
+}
+
+/**
+ * Like strbuf_getline(), but treats both '\n' and "\r\n" as line terminators.
+ */
+static int strbuf_getline_crlf(struct strbuf *sb, FILE *fp)
+{
+ if (strbuf_getwholeline(sb, fp, '\n'))
+ return EOF;
+ if (sb->buf[sb->len - 1] == '\n') {
+ strbuf_setlen(sb, sb->len - 1);
+ if (sb->len > 0 && sb->buf[sb->len - 1] == '\r')
+ strbuf_setlen(sb, sb->len - 1);
+ }
+ return 0;
+}
+
+/**
+ * Returns the length of the first line of msg.
+ */
+static int linelen(const char *msg)
+{
+ return strchrnul(msg, '\n') - msg;
+}
+
+/**
+ * Returns true if `str` consists of only whitespace, false otherwise.
+ */
+static int str_isspace(const char *str)
+{
+ for (; *str; str++)
+ if (!isspace(*str))
+ return 0;
+
+ return 1;
+}
+
+enum patch_format {
+ PATCH_FORMAT_UNKNOWN = 0,
+ PATCH_FORMAT_MBOX,
+ PATCH_FORMAT_STGIT,
+ PATCH_FORMAT_STGIT_SERIES,
+ PATCH_FORMAT_HG
+};
+
+enum keep_type {
+ KEEP_FALSE = 0,
+ KEEP_TRUE, /* pass -k flag to git-mailinfo */
+ KEEP_NON_PATCH /* pass -b flag to git-mailinfo */
+};
+
+enum scissors_type {
+ SCISSORS_UNSET = -1,
+ SCISSORS_FALSE = 0, /* pass --no-scissors to git-mailinfo */
+ SCISSORS_TRUE /* pass --scissors to git-mailinfo */
+};
+
+enum signoff_type {
+ SIGNOFF_FALSE = 0,
+ SIGNOFF_TRUE = 1,
+ SIGNOFF_EXPLICIT /* --signoff was set on the command-line */
+};
+
+struct am_state {
+ /* state directory path */
+ char *dir;
+
+ /* current and last patch numbers, 1-indexed */
+ int cur;
+ int last;
+
+ /* commit metadata and message */
+ char *author_name;
+ char *author_email;
+ char *author_date;
+ char *msg;
+ size_t msg_len;
+
+ /* when --rebasing, records the original commit the patch came from */
+ unsigned char orig_commit[GIT_SHA1_RAWSZ];
+
+ /* number of digits in patch filename */
+ int prec;
+
+ /* various operating modes and command line options */
+ int interactive;
+ int threeway;
+ int quiet;
+ int signoff; /* enum signoff_type */
+ int utf8;
+ int keep; /* enum keep_type */
+ int message_id;
+ int scissors; /* enum scissors_type */
+ struct argv_array git_apply_opts;
+ const char *resolvemsg;
+ int committer_date_is_author_date;
+ int ignore_date;
+ int allow_rerere_autoupdate;
+ const char *sign_commit;
+ int rebasing;
+};
+
+/**
+ * Initializes am_state with the default values. The state directory is set to
+ * dir.
+ */
+static void am_state_init(struct am_state *state, const char *dir)
+{
+ int gpgsign;
+
+ memset(state, 0, sizeof(*state));
+
+ assert(dir);
+ state->dir = xstrdup(dir);
+
+ state->prec = 4;
+
+ git_config_get_bool("am.threeway", &state->threeway);
+
+ state->utf8 = 1;
+
+ git_config_get_bool("am.messageid", &state->message_id);
+
+ state->scissors = SCISSORS_UNSET;
+
+ argv_array_init(&state->git_apply_opts);
+
+ if (!git_config_get_bool("commit.gpgsign", &gpgsign))
+ state->sign_commit = gpgsign ? "" : NULL;
+}
+
+/**
+ * Releases memory allocated by an am_state.
+ */
+static void am_state_release(struct am_state *state)
+{
+ free(state->dir);
+ free(state->author_name);
+ free(state->author_email);
+ free(state->author_date);
+ free(state->msg);
+ argv_array_clear(&state->git_apply_opts);
+}
+
+/**
+ * Returns path relative to the am_state directory.
+ */
+static inline const char *am_path(const struct am_state *state, const char *path)
+{
+ return mkpath("%s/%s", state->dir, path);
+}
+
+/**
+ * For convenience to call write_file()
+ */
+static int write_state_text(const struct am_state *state,
+ const char *name, const char *string)
+{
+ return write_file(am_path(state, name), "%s", string);
+}
+
+static int write_state_count(const struct am_state *state,
+ const char *name, int value)
+{
+ return write_file(am_path(state, name), "%d", value);
+}
+
+static int write_state_bool(const struct am_state *state,
+ const char *name, int value)
+{
+ return write_state_text(state, name, value ? "t" : "f");
+}
+
+/**
+ * If state->quiet is false, calls fprintf(fp, fmt, ...), and appends a newline
+ * at the end.
+ */
+static void say(const struct am_state *state, FILE *fp, const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ if (!state->quiet) {
+ vfprintf(fp, fmt, ap);
+ putc('\n', fp);
+ }
+ va_end(ap);
+}
+
+/**
+ * Returns 1 if there is an am session in progress, 0 otherwise.
+ */
+static int am_in_progress(const struct am_state *state)
+{
+ struct stat st;
+
+ if (lstat(state->dir, &st) < 0 || !S_ISDIR(st.st_mode))
+ return 0;
+ if (lstat(am_path(state, "last"), &st) || !S_ISREG(st.st_mode))
+ return 0;
+ if (lstat(am_path(state, "next"), &st) || !S_ISREG(st.st_mode))
+ return 0;
+ return 1;
+}
+
+/**
+ * Reads the contents of `file` in the `state` directory into `sb`. Returns the
+ * number of bytes read on success, -1 if the file does not exist. If `trim` is
+ * set, trailing whitespace will be removed.
+ */
+static int read_state_file(struct strbuf *sb, const struct am_state *state,
+ const char *file, int trim)
+{
+ strbuf_reset(sb);
+
+ if (strbuf_read_file(sb, am_path(state, file), 0) >= 0) {
+ if (trim)
+ strbuf_trim(sb);
+
+ return sb->len;
+ }
+
+ if (errno == ENOENT)
+ return -1;
+
+ die_errno(_("could not read '%s'"), am_path(state, file));
+}
+
+/**
+ * Reads a KEY=VALUE shell variable assignment from `fp`, returning the VALUE
+ * as a newly-allocated string. VALUE must be a quoted string, and the KEY must
+ * match `key`. Returns NULL on failure.
+ *
+ * This is used by read_author_script() to read the GIT_AUTHOR_* variables from
+ * the author-script.
+ */
+static char *read_shell_var(FILE *fp, const char *key)
+{
+ struct strbuf sb = STRBUF_INIT;
+ const char *str;
+
+ if (strbuf_getline(&sb, fp, '\n'))
+ goto fail;
+
+ if (!skip_prefix(sb.buf, key, &str))
+ goto fail;
+
+ if (!skip_prefix(str, "=", &str))
+ goto fail;
+
+ strbuf_remove(&sb, 0, str - sb.buf);
+
+ str = sq_dequote(sb.buf);
+ if (!str)
+ goto fail;
+
+ return strbuf_detach(&sb, NULL);
+
+fail:
+ strbuf_release(&sb);
+ return NULL;
+}
+
+/**
+ * Reads and parses the state directory's "author-script" file, and sets
+ * state->author_name, state->author_email and state->author_date accordingly.
+ * Returns 0 on success, -1 if the file could not be parsed.
+ *
+ * The author script is of the format:
+ *
+ * GIT_AUTHOR_NAME='$author_name'
+ * GIT_AUTHOR_EMAIL='$author_email'
+ * GIT_AUTHOR_DATE='$author_date'
+ *
+ * where $author_name, $author_email and $author_date are quoted. We are strict
+ * with our parsing, as the file was meant to be eval'd in the old git-am.sh
+ * script, and thus if the file differs from what this function expects, it is
+ * better to bail out than to do something that the user does not expect.
+ */
+static int read_author_script(struct am_state *state)
+{
+ const char *filename = am_path(state, "author-script");
+ FILE *fp;
+
+ assert(!state->author_name);
+ assert(!state->author_email);
+ assert(!state->author_date);
+
+ fp = fopen(filename, "r");
+ if (!fp) {
+ if (errno == ENOENT)
+ return 0;
+ die_errno(_("could not open '%s' for reading"), filename);
+ }
+
+ state->author_name = read_shell_var(fp, "GIT_AUTHOR_NAME");
+ if (!state->author_name) {
+ fclose(fp);
+ return -1;
+ }
+
+ state->author_email = read_shell_var(fp, "GIT_AUTHOR_EMAIL");
+ if (!state->author_email) {
+ fclose(fp);
+ return -1;
+ }
+
+ state->author_date = read_shell_var(fp, "GIT_AUTHOR_DATE");
+ if (!state->author_date) {
+ fclose(fp);
+ return -1;
+ }
+
+ if (fgetc(fp) != EOF) {
+ fclose(fp);
+ return -1;
+ }
+
+ fclose(fp);
+ return 0;
+}
+
+/**
+ * Saves state->author_name, state->author_email and state->author_date in the
+ * state directory's "author-script" file.
+ */
+static void write_author_script(const struct am_state *state)
+{
+ struct strbuf sb = STRBUF_INIT;
+
+ strbuf_addstr(&sb, "GIT_AUTHOR_NAME=");
+ sq_quote_buf(&sb, state->author_name);
+ strbuf_addch(&sb, '\n');
+
+ strbuf_addstr(&sb, "GIT_AUTHOR_EMAIL=");
+ sq_quote_buf(&sb, state->author_email);
+ strbuf_addch(&sb, '\n');
+
+ strbuf_addstr(&sb, "GIT_AUTHOR_DATE=");
+ sq_quote_buf(&sb, state->author_date);
+ strbuf_addch(&sb, '\n');
+
+ write_state_text(state, "author-script", sb.buf);
+
+ strbuf_release(&sb);
+}
+
+/**
+ * Reads the commit message from the state directory's "final-commit" file,
+ * setting state->msg to its contents and state->msg_len to the length of its
+ * contents in bytes.
+ *
+ * Returns 0 on success, -1 if the file does not exist.
+ */
+static int read_commit_msg(struct am_state *state)
+{
+ struct strbuf sb = STRBUF_INIT;
+
+ assert(!state->msg);
+
+ if (read_state_file(&sb, state, "final-commit", 0) < 0) {
+ strbuf_release(&sb);
+ return -1;
+ }
+
+ state->msg = strbuf_detach(&sb, &state->msg_len);
+ return 0;
+}
+
+/**
+ * Saves state->msg in the state directory's "final-commit" file.
+ */
+static void write_commit_msg(const struct am_state *state)
+{
+ int fd;
+ const char *filename = am_path(state, "final-commit");
+
+ fd = xopen(filename, O_WRONLY | O_CREAT, 0666);
+ if (write_in_full(fd, state->msg, state->msg_len) < 0)
+ die_errno(_("could not write to %s"), filename);
+ close(fd);
+}
+
+/**
+ * Loads state from disk.
+ */
+static void am_load(struct am_state *state)
+{
+ struct strbuf sb = STRBUF_INIT;
+
+ if (read_state_file(&sb, state, "next", 1) < 0)
+ die("BUG: state file 'next' does not exist");
+ state->cur = strtol(sb.buf, NULL, 10);
+
+ if (read_state_file(&sb, state, "last", 1) < 0)
+ die("BUG: state file 'last' does not exist");
+ state->last = strtol(sb.buf, NULL, 10);
+
+ if (read_author_script(state) < 0)
+ die(_("could not parse author script"));
+
+ read_commit_msg(state);
+
+ if (read_state_file(&sb, state, "original-commit", 1) < 0)
+ hashclr(state->orig_commit);
+ else if (get_sha1_hex(sb.buf, state->orig_commit) < 0)
+ die(_("could not parse %s"), am_path(state, "original-commit"));
+
+ read_state_file(&sb, state, "threeway", 1);
+ state->threeway = !strcmp(sb.buf, "t");
+
+ read_state_file(&sb, state, "quiet", 1);
+ state->quiet = !strcmp(sb.buf, "t");
+
+ read_state_file(&sb, state, "sign", 1);
+ state->signoff = !strcmp(sb.buf, "t");
+
+ read_state_file(&sb, state, "utf8", 1);
+ state->utf8 = !strcmp(sb.buf, "t");
+
+ read_state_file(&sb, state, "keep", 1);
+ if (!strcmp(sb.buf, "t"))
+ state->keep = KEEP_TRUE;
+ else if (!strcmp(sb.buf, "b"))
+ state->keep = KEEP_NON_PATCH;
+ else
+ state->keep = KEEP_FALSE;
+
+ read_state_file(&sb, state, "messageid", 1);
+ state->message_id = !strcmp(sb.buf, "t");
+
+ read_state_file(&sb, state, "scissors", 1);
+ if (!strcmp(sb.buf, "t"))
+ state->scissors = SCISSORS_TRUE;
+ else if (!strcmp(sb.buf, "f"))
+ state->scissors = SCISSORS_FALSE;
+ else
+ state->scissors = SCISSORS_UNSET;
+
+ read_state_file(&sb, state, "apply-opt", 1);
+ argv_array_clear(&state->git_apply_opts);
+ if (sq_dequote_to_argv_array(sb.buf, &state->git_apply_opts) < 0)
+ die(_("could not parse %s"), am_path(state, "apply-opt"));
+
+ state->rebasing = !!file_exists(am_path(state, "rebasing"));
+
+ strbuf_release(&sb);
+}
+
+/**
+ * Removes the am_state directory, forcefully terminating the current am
+ * session.
+ */
+static void am_destroy(const struct am_state *state)
+{
+ struct strbuf sb = STRBUF_INIT;
+
+ strbuf_addstr(&sb, state->dir);
+ remove_dir_recursively(&sb, 0);
+ strbuf_release(&sb);
+}
+
+/**
+ * Runs applypatch-msg hook. Returns its exit code.
+ */
+static int run_applypatch_msg_hook(struct am_state *state)
+{
+ int ret;
+
+ assert(state->msg);
+ ret = run_hook_le(NULL, "applypatch-msg", am_path(state, "final-commit"), NULL);
+
+ if (!ret) {
+ free(state->msg);
+ state->msg = NULL;
+ if (read_commit_msg(state) < 0)
+ die(_("'%s' was deleted by the applypatch-msg hook"),
+ am_path(state, "final-commit"));
+ }
+
+ return ret;
+}
+
+/**
+ * Runs post-rewrite hook. Returns it exit code.
+ */
+static int run_post_rewrite_hook(const struct am_state *state)
+{
+ struct child_process cp = CHILD_PROCESS_INIT;
+ const char *hook = find_hook("post-rewrite");
+ int ret;
+
+ if (!hook)
+ return 0;
+
+ argv_array_push(&cp.args, hook);
+ argv_array_push(&cp.args, "rebase");
+
+ cp.in = xopen(am_path(state, "rewritten"), O_RDONLY);
+ cp.stdout_to_stderr = 1;
+
+ ret = run_command(&cp);
+
+ close(cp.in);
+ return ret;
+}
+
+/**
+ * Reads the state directory's "rewritten" file, and copies notes from the old
+ * commits listed in the file to their rewritten commits.
+ *
+ * Returns 0 on success, -1 on failure.
+ */
+static int copy_notes_for_rebase(const struct am_state *state)
+{
+ struct notes_rewrite_cfg *c;
+ struct strbuf sb = STRBUF_INIT;
+ const char *invalid_line = _("Malformed input line: '%s'.");
+ const char *msg = "Notes added by 'git rebase'";
+ FILE *fp;
+ int ret = 0;
+
+ assert(state->rebasing);
+
+ c = init_copy_notes_for_rewrite("rebase");
+ if (!c)
+ return 0;
+
+ fp = xfopen(am_path(state, "rewritten"), "r");
+
+ while (!strbuf_getline(&sb, fp, '\n')) {
+ unsigned char from_obj[GIT_SHA1_RAWSZ], to_obj[GIT_SHA1_RAWSZ];
+
+ if (sb.len != GIT_SHA1_HEXSZ * 2 + 1) {
+ ret = error(invalid_line, sb.buf);
+ goto finish;
+ }
+
+ if (get_sha1_hex(sb.buf, from_obj)) {
+ ret = error(invalid_line, sb.buf);
+ goto finish;
+ }
+
+ if (sb.buf[GIT_SHA1_HEXSZ] != ' ') {
+ ret = error(invalid_line, sb.buf);
+ goto finish;
+ }
+
+ if (get_sha1_hex(sb.buf + GIT_SHA1_HEXSZ + 1, to_obj)) {
+ ret = error(invalid_line, sb.buf);
+ goto finish;
+ }
+
+ if (copy_note_for_rewrite(c, from_obj, to_obj))
+ ret = error(_("Failed to copy notes from '%s' to '%s'"),
+ sha1_to_hex(from_obj), sha1_to_hex(to_obj));
+ }
+
+finish:
+ finish_copy_notes_for_rewrite(c, msg);
+ fclose(fp);
+ strbuf_release(&sb);
+ return ret;
+}
+
+/**
+ * Determines if the file looks like a piece of RFC2822 mail by grabbing all
+ * non-indented lines and checking if they look like they begin with valid
+ * header field names.
+ *
+ * Returns 1 if the file looks like a piece of mail, 0 otherwise.
+ */
+static int is_mail(FILE *fp)
+{
+ const char *header_regex = "^[!-9;-~]+:";
+ struct strbuf sb = STRBUF_INIT;
+ regex_t regex;
+ int ret = 1;
+
+ if (fseek(fp, 0L, SEEK_SET))
+ die_errno(_("fseek failed"));
+
+ if (regcomp(&regex, header_regex, REG_NOSUB | REG_EXTENDED))
+ die("invalid pattern: %s", header_regex);
+
+ while (!strbuf_getline_crlf(&sb, fp)) {
+ if (!sb.len)
+ break; /* End of header */
+
+ /* Ignore indented folded lines */
+ if (*sb.buf == '\t' || *sb.buf == ' ')
+ continue;
+
+ /* It's a header if it matches header_regex */
+ if (regexec(&regex, sb.buf, 0, NULL, 0)) {
+ ret = 0;
+ goto done;
+ }
+ }
+
+done:
+ regfree(&regex);
+ strbuf_release(&sb);
+ return ret;
+}
+
+/**
+ * Attempts to detect the patch_format of the patches contained in `paths`,
+ * returning the PATCH_FORMAT_* enum value. Returns PATCH_FORMAT_UNKNOWN if
+ * detection fails.
+ */
+static int detect_patch_format(const char **paths)
+{
+ enum patch_format ret = PATCH_FORMAT_UNKNOWN;
+ struct strbuf l1 = STRBUF_INIT;
+ struct strbuf l2 = STRBUF_INIT;
+ struct strbuf l3 = STRBUF_INIT;
+ FILE *fp;
+
+ /*
+ * We default to mbox format if input is from stdin and for directories
+ */
+ if (!*paths || !strcmp(*paths, "-") || is_directory(*paths))
+ return PATCH_FORMAT_MBOX;
+
+ /*
+ * Otherwise, check the first few lines of the first patch, starting
+ * from the first non-blank line, to try to detect its format.
+ */
+
+ fp = xfopen(*paths, "r");
+
+ while (!strbuf_getline_crlf(&l1, fp)) {
+ if (l1.len)
+ break;
+ }
+
+ if (starts_with(l1.buf, "From ") || starts_with(l1.buf, "From: ")) {
+ ret = PATCH_FORMAT_MBOX;
+ goto done;
+ }
+
+ if (starts_with(l1.buf, "# This series applies on GIT commit")) {
+ ret = PATCH_FORMAT_STGIT_SERIES;
+ goto done;
+ }
+
+ if (!strcmp(l1.buf, "# HG changeset patch")) {
+ ret = PATCH_FORMAT_HG;
+ goto done;
+ }
+
+ strbuf_reset(&l2);
+ strbuf_getline_crlf(&l2, fp);
+ strbuf_reset(&l3);
+ strbuf_getline_crlf(&l3, fp);
+
+ /*
+ * If the second line is empty and the third is a From, Author or Date
+ * entry, this is likely an StGit patch.
+ */
+ if (l1.len && !l2.len &&
+ (starts_with(l3.buf, "From:") ||
+ starts_with(l3.buf, "Author:") ||
+ starts_with(l3.buf, "Date:"))) {
+ ret = PATCH_FORMAT_STGIT;
+ goto done;
+ }
+
+ if (l1.len && is_mail(fp)) {
+ ret = PATCH_FORMAT_MBOX;
+ goto done;
+ }
+
+done:
+ fclose(fp);
+ strbuf_release(&l1);
+ return ret;
+}
+
+/**
+ * Splits out individual email patches from `paths`, where each path is either
+ * a mbox file or a Maildir. Returns 0 on success, -1 on failure.
+ */
+static int split_mail_mbox(struct am_state *state, const char **paths, int keep_cr)
+{
+ struct child_process cp = CHILD_PROCESS_INIT;
+ struct strbuf last = STRBUF_INIT;
+
+ cp.git_cmd = 1;
+ argv_array_push(&cp.args, "mailsplit");
+ argv_array_pushf(&cp.args, "-d%d", state->prec);
+ argv_array_pushf(&cp.args, "-o%s", state->dir);
+ argv_array_push(&cp.args, "-b");
+ if (keep_cr)
+ argv_array_push(&cp.args, "--keep-cr");
+ argv_array_push(&cp.args, "--");
+ argv_array_pushv(&cp.args, paths);
+
+ if (capture_command(&cp, &last, 8))
+ return -1;
+
+ state->cur = 1;
+ state->last = strtol(last.buf, NULL, 10);
+
+ return 0;
+}
+
+/**
+ * Callback signature for split_mail_conv(). The foreign patch should be
+ * read from `in`, and the converted patch (in RFC2822 mail format) should be
+ * written to `out`. Return 0 on success, or -1 on failure.
+ */
+typedef int (*mail_conv_fn)(FILE *out, FILE *in, int keep_cr);
+
+/**
+ * Calls `fn` for each file in `paths` to convert the foreign patch to the
+ * RFC2822 mail format suitable for parsing with git-mailinfo.
+ *
+ * Returns 0 on success, -1 on failure.
+ */
+static int split_mail_conv(mail_conv_fn fn, struct am_state *state,
+ const char **paths, int keep_cr)
+{
+ static const char *stdin_only[] = {"-", NULL};
+ int i;
+
+ if (!*paths)
+ paths = stdin_only;
+
+ for (i = 0; *paths; paths++, i++) {
+ FILE *in, *out;
+ const char *mail;
+ int ret;
+
+ if (!strcmp(*paths, "-"))
+ in = stdin;
+ else
+ in = fopen(*paths, "r");
+
+ if (!in)
+ return error(_("could not open '%s' for reading: %s"),
+ *paths, strerror(errno));
+
+ mail = mkpath("%s/%0*d", state->dir, state->prec, i + 1);
+
+ out = fopen(mail, "w");
+ if (!out)
+ return error(_("could not open '%s' for writing: %s"),
+ mail, strerror(errno));
+
+ ret = fn(out, in, keep_cr);
+
+ fclose(out);
+ fclose(in);
+
+ if (ret)
+ return error(_("could not parse patch '%s'"), *paths);
+ }
+
+ state->cur = 1;
+ state->last = i;
+ return 0;
+}
+
+/**
+ * A split_mail_conv() callback that converts an StGit patch to an RFC2822
+ * message suitable for parsing with git-mailinfo.
+ */
+static int stgit_patch_to_mail(FILE *out, FILE *in, int keep_cr)
+{
+ struct strbuf sb = STRBUF_INIT;
+ int subject_printed = 0;
+
+ while (!strbuf_getline(&sb, in, '\n')) {
+ const char *str;
+
+ if (str_isspace(sb.buf))
+ continue;
+ else if (skip_prefix(sb.buf, "Author:", &str))
+ fprintf(out, "From:%s\n", str);
+ else if (starts_with(sb.buf, "From") || starts_with(sb.buf, "Date"))
+ fprintf(out, "%s\n", sb.buf);
+ else if (!subject_printed) {
+ fprintf(out, "Subject: %s\n", sb.buf);
+ subject_printed = 1;
+ } else {
+ fprintf(out, "\n%s\n", sb.buf);
+ break;
+ }
+ }
+
+ strbuf_reset(&sb);
+ while (strbuf_fread(&sb, 8192, in) > 0) {
+ fwrite(sb.buf, 1, sb.len, out);
+ strbuf_reset(&sb);
+ }
+
+ strbuf_release(&sb);
+ return 0;
+}
+
+/**
+ * This function only supports a single StGit series file in `paths`.
+ *
+ * Given an StGit series file, converts the StGit patches in the series into
+ * RFC2822 messages suitable for parsing with git-mailinfo, and queues them in
+ * the state directory.
+ *
+ * Returns 0 on success, -1 on failure.
+ */
+static int split_mail_stgit_series(struct am_state *state, const char **paths,
+ int keep_cr)
+{
+ const char *series_dir;
+ char *series_dir_buf;
+ FILE *fp;
+ struct argv_array patches = ARGV_ARRAY_INIT;
+ struct strbuf sb = STRBUF_INIT;
+ int ret;
+
+ if (!paths[0] || paths[1])
+ return error(_("Only one StGIT patch series can be applied at once"));
+
+ series_dir_buf = xstrdup(*paths);
+ series_dir = dirname(series_dir_buf);
+
+ fp = fopen(*paths, "r");
+ if (!fp)
+ return error(_("could not open '%s' for reading: %s"), *paths,
+ strerror(errno));
+
+ while (!strbuf_getline(&sb, fp, '\n')) {
+ if (*sb.buf == '#')
+ continue; /* skip comment lines */
+
+ argv_array_push(&patches, mkpath("%s/%s", series_dir, sb.buf));
+ }
+
+ fclose(fp);
+ strbuf_release(&sb);
+ free(series_dir_buf);
+
+ ret = split_mail_conv(stgit_patch_to_mail, state, patches.argv, keep_cr);
+
+ argv_array_clear(&patches);
+ return ret;
+}
+
+/**
+ * A split_patches_conv() callback that converts a mercurial patch to a RFC2822
+ * message suitable for parsing with git-mailinfo.
+ */
+static int hg_patch_to_mail(FILE *out, FILE *in, int keep_cr)
+{
+ struct strbuf sb = STRBUF_INIT;
+
+ while (!strbuf_getline(&sb, in, '\n')) {
+ const char *str;
+
+ if (skip_prefix(sb.buf, "# User ", &str))
+ fprintf(out, "From: %s\n", str);
+ else if (skip_prefix(sb.buf, "# Date ", &str)) {
+ unsigned long timestamp;
+ long tz, tz2;
+ char *end;
+
+ errno = 0;
+ timestamp = strtoul(str, &end, 10);
+ if (errno)
+ return error(_("invalid timestamp"));
+
+ if (!skip_prefix(end, " ", &str))
+ return error(_("invalid Date line"));
+
+ errno = 0;
+ tz = strtol(str, &end, 10);
+ if (errno)
+ return error(_("invalid timezone offset"));
+
+ if (*end)
+ return error(_("invalid Date line"));
+
+ /*
+ * mercurial's timezone is in seconds west of UTC,
+ * however git's timezone is in hours + minutes east of
+ * UTC. Convert it.
+ */
+ tz2 = labs(tz) / 3600 * 100 + labs(tz) % 3600 / 60;
+ if (tz > 0)
+ tz2 = -tz2;
+
+ fprintf(out, "Date: %s\n", show_date(timestamp, tz2, DATE_MODE(RFC2822)));
+ } else if (starts_with(sb.buf, "# ")) {
+ continue;
+ } else {
+ fprintf(out, "\n%s\n", sb.buf);
+ break;
+ }
+ }
+
+ strbuf_reset(&sb);
+ while (strbuf_fread(&sb, 8192, in) > 0) {
+ fwrite(sb.buf, 1, sb.len, out);
+ strbuf_reset(&sb);
+ }
+
+ strbuf_release(&sb);
+ return 0;
+}
+
+/**
+ * Splits a list of files/directories into individual email patches. Each path
+ * in `paths` must be a file/directory that is formatted according to
+ * `patch_format`.
+ *
+ * Once split out, the individual email patches will be stored in the state
+ * directory, with each patch's filename being its index, padded to state->prec
+ * digits.
+ *
+ * state->cur will be set to the index of the first mail, and state->last will
+ * be set to the index of the last mail.
+ *
+ * Set keep_cr to 0 to convert all lines ending with \r\n to end with \n, 1
+ * to disable this behavior, -1 to use the default configured setting.
+ *
+ * Returns 0 on success, -1 on failure.
+ */
+static int split_mail(struct am_state *state, enum patch_format patch_format,
+ const char **paths, int keep_cr)
+{
+ if (keep_cr < 0) {
+ keep_cr = 0;
+ git_config_get_bool("am.keepcr", &keep_cr);
+ }
+
+ switch (patch_format) {
+ case PATCH_FORMAT_MBOX:
+ return split_mail_mbox(state, paths, keep_cr);
+ case PATCH_FORMAT_STGIT:
+ return split_mail_conv(stgit_patch_to_mail, state, paths, keep_cr);
+ case PATCH_FORMAT_STGIT_SERIES:
+ return split_mail_stgit_series(state, paths, keep_cr);
+ case PATCH_FORMAT_HG:
+ return split_mail_conv(hg_patch_to_mail, state, paths, keep_cr);
+ default:
+ die("BUG: invalid patch_format");
+ }
+ return -1;
+}
+
+/**
+ * Setup a new am session for applying patches
+ */
+static void am_setup(struct am_state *state, enum patch_format patch_format,
+ const char **paths, int keep_cr)
+{
+ unsigned char curr_head[GIT_SHA1_RAWSZ];
+ const char *str;
+ struct strbuf sb = STRBUF_INIT;
+
+ if (!patch_format)
+ patch_format = detect_patch_format(paths);
+
+ if (!patch_format) {
+ fprintf_ln(stderr, _("Patch format detection failed."));
+ exit(128);
+ }
+
+ if (mkdir(state->dir, 0777) < 0 && errno != EEXIST)
+ die_errno(_("failed to create directory '%s'"), state->dir);
+
+ if (split_mail(state, patch_format, paths, keep_cr) < 0) {
+ am_destroy(state);
+ die(_("Failed to split patches."));
+ }
+
+ if (state->rebasing)
+ state->threeway = 1;
+
+ write_state_bool(state, "threeway", state->threeway);
+ write_state_bool(state, "quiet", state->quiet);
+ write_state_bool(state, "sign", state->signoff);
+ write_state_bool(state, "utf8", state->utf8);
+
+ switch (state->keep) {
+ case KEEP_FALSE:
+ str = "f";
+ break;
+ case KEEP_TRUE:
+ str = "t";
+ break;
+ case KEEP_NON_PATCH:
+ str = "b";
+ break;
+ default:
+ die("BUG: invalid value for state->keep");
+ }
+
+ write_state_text(state, "keep", str);
+ write_state_bool(state, "messageid", state->message_id);
+
+ switch (state->scissors) {
+ case SCISSORS_UNSET:
+ str = "";
+ break;
+ case SCISSORS_FALSE:
+ str = "f";
+ break;
+ case SCISSORS_TRUE:
+ str = "t";
+ break;
+ default:
+ die("BUG: invalid value for state->scissors");
+ }
+ write_state_text(state, "scissors", str);
+
+ sq_quote_argv(&sb, state->git_apply_opts.argv, 0);
+ write_state_text(state, "apply-opt", sb.buf);
+
+ if (state->rebasing)
+ write_state_text(state, "rebasing", "");
+ else
+ write_state_text(state, "applying", "");
+
+ if (!get_sha1("HEAD", curr_head)) {
+ write_state_text(state, "abort-safety", sha1_to_hex(curr_head));
+ if (!state->rebasing)
+ update_ref("am", "ORIG_HEAD", curr_head, NULL, 0,
+ UPDATE_REFS_DIE_ON_ERR);
+ } else {
+ write_state_text(state, "abort-safety", "");
+ if (!state->rebasing)
+ delete_ref("ORIG_HEAD", NULL, 0);
+ }
+
+ /*
+ * NOTE: Since the "next" and "last" files determine if an am_state
+ * session is in progress, they should be written last.
+ */
+
+ write_state_count(state, "next", state->cur);
+ write_state_count(state, "last", state->last);
+
+ strbuf_release(&sb);
+}
+
+/**
+ * Increments the patch pointer, and cleans am_state for the application of the
+ * next patch.
+ */
+static void am_next(struct am_state *state)
+{
+ unsigned char head[GIT_SHA1_RAWSZ];
+
+ free(state->author_name);
+ state->author_name = NULL;
+
+ free(state->author_email);
+ state->author_email = NULL;
+
+ free(state->author_date);
+ state->author_date = NULL;
+
+ free(state->msg);
+ state->msg = NULL;
+ state->msg_len = 0;
+
+ unlink(am_path(state, "author-script"));
+ unlink(am_path(state, "final-commit"));
+
+ hashclr(state->orig_commit);
+ unlink(am_path(state, "original-commit"));
+
+ if (!get_sha1("HEAD", head))
+ write_state_text(state, "abort-safety", sha1_to_hex(head));
+ else
+ write_state_text(state, "abort-safety", "");
+
+ state->cur++;
+ write_state_count(state, "next", state->cur);
+}
+
+/**
+ * Returns the filename of the current patch email.
+ */
+static const char *msgnum(const struct am_state *state)
+{
+ static struct strbuf sb = STRBUF_INIT;
+
+ strbuf_reset(&sb);
+ strbuf_addf(&sb, "%0*d", state->prec, state->cur);
+
+ return sb.buf;
+}
+
+/**
+ * Refresh and write index.
+ */
+static void refresh_and_write_cache(void)
+{
+ struct lock_file *lock_file = xcalloc(1, sizeof(struct lock_file));
+
+ hold_locked_index(lock_file, 1);
+ refresh_cache(REFRESH_QUIET);
+ if (write_locked_index(&the_index, lock_file, COMMIT_LOCK))
+ die(_("unable to write index file"));
+}
+
+/**
+ * Returns 1 if the index differs from HEAD, 0 otherwise. When on an unborn
+ * branch, returns 1 if there are entries in the index, 0 otherwise. If an
+ * strbuf is provided, the space-separated list of files that differ will be
+ * appended to it.
+ */
+static int index_has_changes(struct strbuf *sb)
+{
+ unsigned char head[GIT_SHA1_RAWSZ];
+ int i;
+
+ if (!get_sha1_tree("HEAD", head)) {
+ struct diff_options opt;
+
+ diff_setup(&opt);
+ DIFF_OPT_SET(&opt, EXIT_WITH_STATUS);
+ if (!sb)
+ DIFF_OPT_SET(&opt, QUICK);
+ do_diff_cache(head, &opt);
+ diffcore_std(&opt);
+ for (i = 0; sb && i < diff_queued_diff.nr; i++) {
+ if (i)
+ strbuf_addch(sb, ' ');
+ strbuf_addstr(sb, diff_queued_diff.queue[i]->two->path);
+ }
+ diff_flush(&opt);
+ return DIFF_OPT_TST(&opt, HAS_CHANGES) != 0;
+ } else {
+ for (i = 0; sb && i < active_nr; i++) {
+ if (i)
+ strbuf_addch(sb, ' ');
+ strbuf_addstr(sb, active_cache[i]->name);
+ }
+ return !!active_nr;
+ }
+}
+
+/**
+ * Dies with a user-friendly message on how to proceed after resolving the
+ * problem. This message can be overridden with state->resolvemsg.
+ */
+static void NORETURN die_user_resolve(const struct am_state *state)
+{
+ if (state->resolvemsg) {
+ printf_ln("%s", state->resolvemsg);
+ } else {
+ const char *cmdline = state->interactive ? "git am -i" : "git am";
+
+ printf_ln(_("When you have resolved this problem, run \"%s --continue\"."), cmdline);
+ printf_ln(_("If you prefer to skip this patch, run \"%s --skip\" instead."), cmdline);
+ printf_ln(_("To restore the original branch and stop patching, run \"%s --abort\"."), cmdline);
+ }
+
+ exit(128);
+}
+
+static void am_signoff(struct strbuf *sb)
+{
+ char *cp;
+ struct strbuf mine = STRBUF_INIT;
+
+ /* Does it end with our own sign-off? */
+ strbuf_addf(&mine, "\n%s%s\n",
+ sign_off_header,
+ fmt_name(getenv("GIT_COMMITTER_NAME"),
+ getenv("GIT_COMMITTER_EMAIL")));
+ if (mine.len < sb->len &&
+ !strcmp(mine.buf, sb->buf + sb->len - mine.len))
+ goto exit; /* no need to duplicate */
+
+ /* Does it have any Signed-off-by: in the text */
+ for (cp = sb->buf;
+ cp && *cp && (cp = strstr(cp, sign_off_header)) != NULL;
+ cp = strchr(cp, '\n')) {
+ if (sb->buf == cp || cp[-1] == '\n')
+ break;
+ }
+
+ strbuf_addstr(sb, mine.buf + !!cp);
+exit:
+ strbuf_release(&mine);
+}
+
+/**
+ * Appends signoff to the "msg" field of the am_state.
+ */
+static void am_append_signoff(struct am_state *state)
+{
+ struct strbuf sb = STRBUF_INIT;
+
+ strbuf_attach(&sb, state->msg, state->msg_len, state->msg_len);
+ am_signoff(&sb);
+ state->msg = strbuf_detach(&sb, &state->msg_len);
+}
+
+/**
+ * Parses `mail` using git-mailinfo, extracting its patch and authorship info.
+ * state->msg will be set to the patch message. state->author_name,
+ * state->author_email and state->author_date will be set to the patch author's
+ * name, email and date respectively. The patch body will be written to the
+ * state directory's "patch" file.
+ *
+ * Returns 1 if the patch should be skipped, 0 otherwise.
+ */
+static int parse_mail(struct am_state *state, const char *mail)
+{
+ FILE *fp;
+ struct child_process cp = CHILD_PROCESS_INIT;
+ struct strbuf sb = STRBUF_INIT;
+ struct strbuf msg = STRBUF_INIT;
+ struct strbuf author_name = STRBUF_INIT;
+ struct strbuf author_date = STRBUF_INIT;
+ struct strbuf author_email = STRBUF_INIT;
+ int ret = 0;
+
+ cp.git_cmd = 1;
+ cp.in = xopen(mail, O_RDONLY, 0);
+ cp.out = xopen(am_path(state, "info"), O_WRONLY | O_CREAT, 0777);
+
+ argv_array_push(&cp.args, "mailinfo");
+ argv_array_push(&cp.args, state->utf8 ? "-u" : "-n");
+
+ switch (state->keep) {
+ case KEEP_FALSE:
+ break;
+ case KEEP_TRUE:
+ argv_array_push(&cp.args, "-k");
+ break;
+ case KEEP_NON_PATCH:
+ argv_array_push(&cp.args, "-b");
+ break;
+ default:
+ die("BUG: invalid value for state->keep");
+ }
+
+ if (state->message_id)
+ argv_array_push(&cp.args, "-m");
+
+ switch (state->scissors) {
+ case SCISSORS_UNSET:
+ break;
+ case SCISSORS_FALSE:
+ argv_array_push(&cp.args, "--no-scissors");
+ break;
+ case SCISSORS_TRUE:
+ argv_array_push(&cp.args, "--scissors");
+ break;
+ default:
+ die("BUG: invalid value for state->scissors");
+ }
+
+ argv_array_push(&cp.args, am_path(state, "msg"));
+ argv_array_push(&cp.args, am_path(state, "patch"));
+
+ if (run_command(&cp) < 0)
+ die("could not parse patch");
+
+ close(cp.in);
+ close(cp.out);
+
+ /* Extract message and author information */
+ fp = xfopen(am_path(state, "info"), "r");
+ while (!strbuf_getline(&sb, fp, '\n')) {
+ const char *x;
+
+ if (skip_prefix(sb.buf, "Subject: ", &x)) {
+ if (msg.len)
+ strbuf_addch(&msg, '\n');
+ strbuf_addstr(&msg, x);
+ } else if (skip_prefix(sb.buf, "Author: ", &x))
+ strbuf_addstr(&author_name, x);
+ else if (skip_prefix(sb.buf, "Email: ", &x))
+ strbuf_addstr(&author_email, x);
+ else if (skip_prefix(sb.buf, "Date: ", &x))
+ strbuf_addstr(&author_date, x);
+ }
+ fclose(fp);
+
+ /* Skip pine's internal folder data */
+ if (!strcmp(author_name.buf, "Mail System Internal Data")) {
+ ret = 1;
+ goto finish;
+ }
+
+ if (is_empty_file(am_path(state, "patch"))) {
+ printf_ln(_("Patch is empty. Was it split wrong?"));
+ die_user_resolve(state);
+ }
+
+ strbuf_addstr(&msg, "\n\n");
+ if (strbuf_read_file(&msg, am_path(state, "msg"), 0) < 0)
+ die_errno(_("could not read '%s'"), am_path(state, "msg"));
+ stripspace(&msg, 0);
+
+ if (state->signoff)
+ am_signoff(&msg);
+
+ assert(!state->author_name);
+ state->author_name = strbuf_detach(&author_name, NULL);
+
+ assert(!state->author_email);
+ state->author_email = strbuf_detach(&author_email, NULL);
+
+ assert(!state->author_date);
+ state->author_date = strbuf_detach(&author_date, NULL);
+
+ assert(!state->msg);
+ state->msg = strbuf_detach(&msg, &state->msg_len);
+
+finish:
+ strbuf_release(&msg);
+ strbuf_release(&author_date);
+ strbuf_release(&author_email);
+ strbuf_release(&author_name);
+ strbuf_release(&sb);
+ return ret;
+}
+
+/**
+ * Sets commit_id to the commit hash where the mail was generated from.
+ * Returns 0 on success, -1 on failure.
+ */
+static int get_mail_commit_sha1(unsigned char *commit_id, const char *mail)
+{
+ struct strbuf sb = STRBUF_INIT;
+ FILE *fp = xfopen(mail, "r");
+ const char *x;
+
+ if (strbuf_getline(&sb, fp, '\n'))
+ return -1;
+
+ if (!skip_prefix(sb.buf, "From ", &x))
+ return -1;
+
+ if (get_sha1_hex(x, commit_id) < 0)
+ return -1;
+
+ strbuf_release(&sb);
+ fclose(fp);
+ return 0;
+}
+
+/**
+ * Sets state->msg, state->author_name, state->author_email, state->author_date
+ * to the commit's respective info.
+ */
+static void get_commit_info(struct am_state *state, struct commit *commit)
+{
+ const char *buffer, *ident_line, *author_date, *msg;
+ size_t ident_len;
+ struct ident_split ident_split;
+ struct strbuf sb = STRBUF_INIT;
+
+ buffer = logmsg_reencode(commit, NULL, get_commit_output_encoding());
+
+ ident_line = find_commit_header(buffer, "author", &ident_len);
+
+ if (split_ident_line(&ident_split, ident_line, ident_len) < 0) {
+ strbuf_add(&sb, ident_line, ident_len);
+ die(_("invalid ident line: %s"), sb.buf);
+ }
+
+ assert(!state->author_name);
+ if (ident_split.name_begin) {
+ strbuf_add(&sb, ident_split.name_begin,
+ ident_split.name_end - ident_split.name_begin);
+ state->author_name = strbuf_detach(&sb, NULL);
+ } else
+ state->author_name = xstrdup("");
+
+ assert(!state->author_email);
+ if (ident_split.mail_begin) {
+ strbuf_add(&sb, ident_split.mail_begin,
+ ident_split.mail_end - ident_split.mail_begin);
+ state->author_email = strbuf_detach(&sb, NULL);
+ } else
+ state->author_email = xstrdup("");
+
+ author_date = show_ident_date(&ident_split, DATE_MODE(NORMAL));
+ strbuf_addstr(&sb, author_date);
+ assert(!state->author_date);
+ state->author_date = strbuf_detach(&sb, NULL);
+
+ assert(!state->msg);
+ msg = strstr(buffer, "\n\n");
+ if (!msg)
+ die(_("unable to parse commit %s"), sha1_to_hex(commit->object.sha1));
+ state->msg = xstrdup(msg + 2);
+ state->msg_len = strlen(state->msg);
+}
+
+/**
+ * Writes `commit` as a patch to the state directory's "patch" file.
+ */
+static void write_commit_patch(const struct am_state *state, struct commit *commit)
+{
+ struct rev_info rev_info;
+ FILE *fp;
+
+ fp = xfopen(am_path(state, "patch"), "w");
+ init_revisions(&rev_info, NULL);
+ rev_info.diff = 1;
+ rev_info.abbrev = 0;
+ rev_info.disable_stdin = 1;
+ rev_info.show_root_diff = 1;
+ rev_info.diffopt.output_format = DIFF_FORMAT_PATCH;
+ rev_info.no_commit_id = 1;
+ DIFF_OPT_SET(&rev_info.diffopt, BINARY);
+ DIFF_OPT_SET(&rev_info.diffopt, FULL_INDEX);
+ rev_info.diffopt.use_color = 0;
+ rev_info.diffopt.file = fp;
+ rev_info.diffopt.close_file = 1;
+ add_pending_object(&rev_info, &commit->object, "");
+ diff_setup_done(&rev_info.diffopt);
+ log_tree_commit(&rev_info, commit);
+}
+
+/**
+ * Writes the diff of the index against HEAD as a patch to the state
+ * directory's "patch" file.
+ */
+static void write_index_patch(const struct am_state *state)
+{
+ struct tree *tree;
+ unsigned char head[GIT_SHA1_RAWSZ];
+ struct rev_info rev_info;
+ FILE *fp;
+
+ if (!get_sha1_tree("HEAD", head))
+ tree = lookup_tree(head);
+ else
+ tree = lookup_tree(EMPTY_TREE_SHA1_BIN);
+
+ fp = xfopen(am_path(state, "patch"), "w");
+ init_revisions(&rev_info, NULL);
+ rev_info.diff = 1;
+ rev_info.disable_stdin = 1;
+ rev_info.no_commit_id = 1;
+ rev_info.diffopt.output_format = DIFF_FORMAT_PATCH;
+ rev_info.diffopt.use_color = 0;
+ rev_info.diffopt.file = fp;
+ rev_info.diffopt.close_file = 1;
+ add_pending_object(&rev_info, &tree->object, "");
+ diff_setup_done(&rev_info.diffopt);
+ run_diff_index(&rev_info, 1);
+}
+
+/**
+ * Like parse_mail(), but parses the mail by looking up its commit ID
+ * directly. This is used in --rebasing mode to bypass git-mailinfo's munging
+ * of patches.
+ *
+ * state->orig_commit will be set to the original commit ID.
+ *
+ * Will always return 0 as the patch should never be skipped.
+ */
+static int parse_mail_rebase(struct am_state *state, const char *mail)
+{
+ struct commit *commit;
+ unsigned char commit_sha1[GIT_SHA1_RAWSZ];
+
+ if (get_mail_commit_sha1(commit_sha1, mail) < 0)
+ die(_("could not parse %s"), mail);
+
+ commit = lookup_commit_or_die(commit_sha1, mail);
+
+ get_commit_info(state, commit);
+
+ write_commit_patch(state, commit);
+
+ hashcpy(state->orig_commit, commit_sha1);
+ write_state_text(state, "original-commit", sha1_to_hex(commit_sha1));
+
+ return 0;
+}
+
+/**
+ * Applies current patch with git-apply. Returns 0 on success, -1 otherwise. If
+ * `index_file` is not NULL, the patch will be applied to that index.
+ */
+static int run_apply(const struct am_state *state, const char *index_file)
+{
+ struct child_process cp = CHILD_PROCESS_INIT;
+
+ cp.git_cmd = 1;
+
+ if (index_file)
+ argv_array_pushf(&cp.env_array, "GIT_INDEX_FILE=%s", index_file);
+
+ /*
+ * If we are allowed to fall back on 3-way merge, don't give false
+ * errors during the initial attempt.
+ */
+ if (state->threeway && !index_file) {
+ cp.no_stdout = 1;
+ cp.no_stderr = 1;
+ }
+
+ argv_array_push(&cp.args, "apply");
+
+ argv_array_pushv(&cp.args, state->git_apply_opts.argv);
+
+ if (index_file)
+ argv_array_push(&cp.args, "--cached");
+ else
+ argv_array_push(&cp.args, "--index");
+
+ argv_array_push(&cp.args, am_path(state, "patch"));
+
+ if (run_command(&cp))
+ return -1;
+
+ /* Reload index as git-apply will have modified it. */
+ discard_cache();
+ read_cache_from(index_file ? index_file : get_index_file());
+
+ return 0;
+}
+
+/**
+ * Builds an index that contains just the blobs needed for a 3way merge.
+ */
+static int build_fake_ancestor(const struct am_state *state, const char *index_file)
+{
+ struct child_process cp = CHILD_PROCESS_INIT;
+
+ cp.git_cmd = 1;
+ argv_array_push(&cp.args, "apply");
+ argv_array_pushv(&cp.args, state->git_apply_opts.argv);
+ argv_array_pushf(&cp.args, "--build-fake-ancestor=%s", index_file);
+ argv_array_push(&cp.args, am_path(state, "patch"));
+
+ if (run_command(&cp))
+ return -1;
+
+ return 0;
+}
+
+/**
+ * Attempt a threeway merge, using index_path as the temporary index.
+ */
+static int fall_back_threeway(const struct am_state *state, const char *index_path)
+{
+ unsigned char orig_tree[GIT_SHA1_RAWSZ], his_tree[GIT_SHA1_RAWSZ],
+ our_tree[GIT_SHA1_RAWSZ];
+ const unsigned char *bases[1] = {orig_tree};
+ struct merge_options o;
+ struct commit *result;
+ char *his_tree_name;
+
+ if (get_sha1("HEAD", our_tree) < 0)
+ hashcpy(our_tree, EMPTY_TREE_SHA1_BIN);
+
+ if (build_fake_ancestor(state, index_path))
+ return error("could not build fake ancestor");
+
+ discard_cache();
+ read_cache_from(index_path);
+
+ if (write_index_as_tree(orig_tree, &the_index, index_path, 0, NULL))
+ return error(_("Repository lacks necessary blobs to fall back on 3-way merge."));
+
+ say(state, stdout, _("Using index info to reconstruct a base tree..."));
+
+ if (!state->quiet) {
+ /*
+ * List paths that needed 3-way fallback, so that the user can
+ * review them with extra care to spot mismerges.
+ */
+ struct rev_info rev_info;
+ const char *diff_filter_str = "--diff-filter=AM";
+
+ init_revisions(&rev_info, NULL);
+ rev_info.diffopt.output_format = DIFF_FORMAT_NAME_STATUS;
+ diff_opt_parse(&rev_info.diffopt, &diff_filter_str, 1);
+ add_pending_sha1(&rev_info, "HEAD", our_tree, 0);
+ diff_setup_done(&rev_info.diffopt);
+ run_diff_index(&rev_info, 1);
+ }
+
+ if (run_apply(state, index_path))
+ return error(_("Did you hand edit your patch?\n"
+ "It does not apply to blobs recorded in its index."));
+
+ if (write_index_as_tree(his_tree, &the_index, index_path, 0, NULL))
+ return error("could not write tree");
+
+ say(state, stdout, _("Falling back to patching base and 3-way merge..."));
+
+ discard_cache();
+ read_cache();
+
+ /*
+ * This is not so wrong. Depending on which base we picked, orig_tree
+ * may be wildly different from ours, but his_tree has the same set of
+ * wildly different changes in parts the patch did not touch, so
+ * recursive ends up canceling them, saying that we reverted all those
+ * changes.
+ */
+
+ init_merge_options(&o);
+
+ o.branch1 = "HEAD";
+ his_tree_name = xstrfmt("%.*s", linelen(state->msg), state->msg);
+ o.branch2 = his_tree_name;
+
+ if (state->quiet)
+ o.verbosity = 0;
+
+ if (merge_recursive_generic(&o, our_tree, his_tree, 1, bases, &result)) {
+ rerere(state->allow_rerere_autoupdate);
+ free(his_tree_name);
+ return error(_("Failed to merge in the changes."));
+ }
+
+ free(his_tree_name);
+ return 0;
+}
+
+/**
+ * Commits the current index with state->msg as the commit message and
+ * state->author_name, state->author_email and state->author_date as the author
+ * information.
+ */
+static void do_commit(const struct am_state *state)
+{
+ unsigned char tree[GIT_SHA1_RAWSZ], parent[GIT_SHA1_RAWSZ],
+ commit[GIT_SHA1_RAWSZ];
+ unsigned char *ptr;
+ struct commit_list *parents = NULL;
+ const char *reflog_msg, *author;
+ struct strbuf sb = STRBUF_INIT;
+
+ if (run_hook_le(NULL, "pre-applypatch", NULL))
+ exit(1);
+
+ if (write_cache_as_tree(tree, 0, NULL))
+ die(_("git write-tree failed to write a tree"));
+
+ if (!get_sha1_commit("HEAD", parent)) {
+ ptr = parent;
+ commit_list_insert(lookup_commit(parent), &parents);
+ } else {
+ ptr = NULL;
+ say(state, stderr, _("applying to an empty history"));
+ }
+
+ author = fmt_ident(state->author_name, state->author_email,
+ state->ignore_date ? NULL : state->author_date,
+ IDENT_STRICT);
+
+ if (state->committer_date_is_author_date)
+ setenv("GIT_COMMITTER_DATE",
+ state->ignore_date ? "" : state->author_date, 1);
+
+ if (commit_tree(state->msg, state->msg_len, tree, parents, commit,
+ author, state->sign_commit))
+ die(_("failed to write commit object"));
+
+ reflog_msg = getenv("GIT_REFLOG_ACTION");
+ if (!reflog_msg)
+ reflog_msg = "am";
+
+ strbuf_addf(&sb, "%s: %.*s", reflog_msg, linelen(state->msg),
+ state->msg);
+
+ update_ref(sb.buf, "HEAD", commit, ptr, 0, UPDATE_REFS_DIE_ON_ERR);
+
+ if (state->rebasing) {
+ FILE *fp = xfopen(am_path(state, "rewritten"), "a");
+
+ assert(!is_null_sha1(state->orig_commit));
+ fprintf(fp, "%s ", sha1_to_hex(state->orig_commit));
+ fprintf(fp, "%s\n", sha1_to_hex(commit));
+ fclose(fp);
+ }
+
+ run_hook_le(NULL, "post-applypatch", NULL);
+
+ strbuf_release(&sb);
+}
+
+/**
+ * Validates the am_state for resuming -- the "msg" and authorship fields must
+ * be filled up.
+ */
+static void validate_resume_state(const struct am_state *state)
+{
+ if (!state->msg)
+ die(_("cannot resume: %s does not exist."),
+ am_path(state, "final-commit"));
+
+ if (!state->author_name || !state->author_email || !state->author_date)
+ die(_("cannot resume: %s does not exist."),
+ am_path(state, "author-script"));
+}
+
+/**
+ * Interactively prompt the user on whether the current patch should be
+ * applied.
+ *
+ * Returns 0 if the user chooses to apply the patch, 1 if the user chooses to
+ * skip it.
+ */
+static int do_interactive(struct am_state *state)
+{
+ assert(state->msg);
+
+ if (!isatty(0))
+ die(_("cannot be interactive without stdin connected to a terminal."));
+
+ for (;;) {
+ const char *reply;
+
+ puts(_("Commit Body is:"));
+ puts("--------------------------");
+ printf("%s", state->msg);
+ puts("--------------------------");
+
+ /*
+ * TRANSLATORS: Make sure to include [y], [n], [e], [v] and [a]
+ * in your translation. The program will only accept English
+ * input at this point.
+ */
+ reply = git_prompt(_("Apply? [y]es/[n]o/[e]dit/[v]iew patch/[a]ccept all: "), PROMPT_ECHO);
+
+ if (!reply) {
+ continue;
+ } else if (*reply == 'y' || *reply == 'Y') {
+ return 0;
+ } else if (*reply == 'a' || *reply == 'A') {
+ state->interactive = 0;
+ return 0;
+ } else if (*reply == 'n' || *reply == 'N') {
+ return 1;
+ } else if (*reply == 'e' || *reply == 'E') {
+ struct strbuf msg = STRBUF_INIT;
+
+ if (!launch_editor(am_path(state, "final-commit"), &msg, NULL)) {
+ free(state->msg);
+ state->msg = strbuf_detach(&msg, &state->msg_len);
+ }
+ strbuf_release(&msg);
+ } else if (*reply == 'v' || *reply == 'V') {
+ const char *pager = git_pager(1);
+ struct child_process cp = CHILD_PROCESS_INIT;
+
+ if (!pager)
+ pager = "cat";
+ argv_array_push(&cp.args, pager);
+ argv_array_push(&cp.args, am_path(state, "patch"));
+ run_command(&cp);
+ }
+ }
+}
+
+/**
+ * Applies all queued mail.
+ *
+ * If `resume` is true, we are "resuming". The "msg" and authorship fields, as
+ * well as the state directory's "patch" file is used as-is for applying the
+ * patch and committing it.
+ */
+static void am_run(struct am_state *state, int resume)
+{
+ const char *argv_gc_auto[] = {"gc", "--auto", NULL};
+ struct strbuf sb = STRBUF_INIT;
+
+ unlink(am_path(state, "dirtyindex"));
+
+ refresh_and_write_cache();
+
+ if (index_has_changes(&sb)) {
+ write_state_bool(state, "dirtyindex", 1);
+ die(_("Dirty index: cannot apply patches (dirty: %s)"), sb.buf);
+ }
+
+ strbuf_release(&sb);
+
+ while (state->cur <= state->last) {
+ const char *mail = am_path(state, msgnum(state));
+ int apply_status;
+
+ if (!file_exists(mail))
+ goto next;
+
+ if (resume) {
+ validate_resume_state(state);
+ } else {
+ int skip;
+
+ if (state->rebasing)
+ skip = parse_mail_rebase(state, mail);
+ else
+ skip = parse_mail(state, mail);
+
+ if (skip)
+ goto next; /* mail should be skipped */
+
+ write_author_script(state);
+ write_commit_msg(state);
+ }
+
+ if (state->interactive && do_interactive(state))
+ goto next;
+
+ if (run_applypatch_msg_hook(state))
+ exit(1);
+
+ say(state, stdout, _("Applying: %.*s"), linelen(state->msg), state->msg);
+
+ apply_status = run_apply(state, NULL);
+
+ if (apply_status && state->threeway) {
+ struct strbuf sb = STRBUF_INIT;
+
+ strbuf_addstr(&sb, am_path(state, "patch-merge-index"));
+ apply_status = fall_back_threeway(state, sb.buf);
+ strbuf_release(&sb);
+
+ /*
+ * Applying the patch to an earlier tree and merging
+ * the result may have produced the same tree as ours.
+ */
+ if (!apply_status && !index_has_changes(NULL)) {
+ say(state, stdout, _("No changes -- Patch already applied."));
+ goto next;
+ }
+ }
+
+ if (apply_status) {
+ int advice_amworkdir = 1;
+
+ printf_ln(_("Patch failed at %s %.*s"), msgnum(state),
+ linelen(state->msg), state->msg);
+
+ git_config_get_bool("advice.amworkdir", &advice_amworkdir);
+
+ if (advice_amworkdir)
+ printf_ln(_("The copy of the patch that failed is found in: %s"),
+ am_path(state, "patch"));
+
+ die_user_resolve(state);
+ }
+
+ do_commit(state);
+
+next:
+ am_next(state);
+
+ if (resume)
+ am_load(state);
+ resume = 0;
+ }
+
+ if (!is_empty_file(am_path(state, "rewritten"))) {
+ assert(state->rebasing);
+ copy_notes_for_rebase(state);
+ run_post_rewrite_hook(state);
+ }
+
+ /*
+ * In rebasing mode, it's up to the caller to take care of
+ * housekeeping.
+ */
+ if (!state->rebasing) {
+ am_destroy(state);
+ run_command_v_opt(argv_gc_auto, RUN_GIT_CMD);
+ }
+}
+
+/**
+ * Resume the current am session after patch application failure. The user did
+ * all the hard work, and we do not have to do any patch application. Just
+ * trust and commit what the user has in the index and working tree.
+ */
+static void am_resolve(struct am_state *state)
+{
+ validate_resume_state(state);
+
+ say(state, stdout, _("Applying: %.*s"), linelen(state->msg), state->msg);
+
+ if (!index_has_changes(NULL)) {
+ printf_ln(_("No changes - did you forget to use 'git add'?\n"
+ "If there is nothing left to stage, chances are that something else\n"
+ "already introduced the same changes; you might want to skip this patch."));
+ die_user_resolve(state);
+ }
+
+ if (unmerged_cache()) {
+ printf_ln(_("You still have unmerged paths in your index.\n"
+ "Did you forget to use 'git add'?"));
+ die_user_resolve(state);
+ }
+
+ if (state->interactive) {
+ write_index_patch(state);
+ if (do_interactive(state))
+ goto next;
+ }
+
+ rerere(0);
+
+ do_commit(state);
+
+next:
+ am_next(state);
+ am_load(state);
+ am_run(state, 0);
+}
+
+/**
+ * Performs a checkout fast-forward from `head` to `remote`. If `reset` is
+ * true, any unmerged entries will be discarded. Returns 0 on success, -1 on
+ * failure.
+ */
+static int fast_forward_to(struct tree *head, struct tree *remote, int reset)
+{
+ struct lock_file *lock_file;
+ struct unpack_trees_options opts;
+ struct tree_desc t[2];
+
+ if (parse_tree(head) || parse_tree(remote))
+ return -1;
+
+ lock_file = xcalloc(1, sizeof(struct lock_file));
+ hold_locked_index(lock_file, 1);
+
+ refresh_cache(REFRESH_QUIET);
+
+ memset(&opts, 0, sizeof(opts));
+ opts.head_idx = 1;
+ opts.src_index = &the_index;
+ opts.dst_index = &the_index;
+ opts.update = 1;
+ opts.merge = 1;
+ opts.reset = reset;
+ opts.fn = twoway_merge;
+ init_tree_desc(&t[0], head->buffer, head->size);
+ init_tree_desc(&t[1], remote->buffer, remote->size);
+
+ if (unpack_trees(2, t, &opts)) {
+ rollback_lock_file(lock_file);
+ return -1;
+ }
+
+ if (write_locked_index(&the_index, lock_file, COMMIT_LOCK))
+ die(_("unable to write new index file"));
+
+ return 0;
+}
+
+/**
+ * Merges a tree into the index. The index's stat info will take precedence
+ * over the merged tree's. Returns 0 on success, -1 on failure.
+ */
+static int merge_tree(struct tree *tree)
+{
+ struct lock_file *lock_file;
+ struct unpack_trees_options opts;
+ struct tree_desc t[1];
+
+ if (parse_tree(tree))
+ return -1;
+
+ lock_file = xcalloc(1, sizeof(struct lock_file));
+ hold_locked_index(lock_file, 1);
+
+ memset(&opts, 0, sizeof(opts));
+ opts.head_idx = 1;
+ opts.src_index = &the_index;
+ opts.dst_index = &the_index;
+ opts.merge = 1;
+ opts.fn = oneway_merge;
+ init_tree_desc(&t[0], tree->buffer, tree->size);
+
+ if (unpack_trees(1, t, &opts)) {
+ rollback_lock_file(lock_file);
+ return -1;
+ }
+
+ if (write_locked_index(&the_index, lock_file, COMMIT_LOCK))
+ die(_("unable to write new index file"));
+
+ return 0;
+}
+
+/**
+ * Clean the index without touching entries that are not modified between
+ * `head` and `remote`.
+ */
+static int clean_index(const unsigned char *head, const unsigned char *remote)
+{
+ struct tree *head_tree, *remote_tree, *index_tree;
+ unsigned char index[GIT_SHA1_RAWSZ];
+
+ head_tree = parse_tree_indirect(head);
+ if (!head_tree)
+ return error(_("Could not parse object '%s'."), sha1_to_hex(head));
+
+ remote_tree = parse_tree_indirect(remote);
+ if (!remote_tree)
+ return error(_("Could not parse object '%s'."), sha1_to_hex(remote));
+
+ read_cache_unmerged();
+
+ if (fast_forward_to(head_tree, head_tree, 1))
+ return -1;
+
+ if (write_cache_as_tree(index, 0, NULL))
+ return -1;
+
+ index_tree = parse_tree_indirect(index);
+ if (!index_tree)
+ return error(_("Could not parse object '%s'."), sha1_to_hex(index));
+
+ if (fast_forward_to(index_tree, remote_tree, 0))
+ return -1;
+
+ if (merge_tree(remote_tree))
+ return -1;
+
+ remove_branch_state();
+
+ return 0;
+}
+
+/**
+ * Resets rerere's merge resolution metadata.
+ */
+static void am_rerere_clear(void)
+{
+ struct string_list merge_rr = STRING_LIST_INIT_DUP;
+ rerere_clear(&merge_rr);
+ string_list_clear(&merge_rr, 1);
+}
+
+/**
+ * Resume the current am session by skipping the current patch.
+ */
+static void am_skip(struct am_state *state)
+{
+ unsigned char head[GIT_SHA1_RAWSZ];
+
+ am_rerere_clear();
+
+ if (get_sha1("HEAD", head))
+ hashcpy(head, EMPTY_TREE_SHA1_BIN);
+
+ if (clean_index(head, head))
+ die(_("failed to clean index"));
+
+ am_next(state);
+ am_load(state);
+ am_run(state, 0);
+}
+
+/**
+ * Returns true if it is safe to reset HEAD to the ORIG_HEAD, false otherwise.
+ *
+ * It is not safe to reset HEAD when:
+ * 1. git-am previously failed because the index was dirty.
+ * 2. HEAD has moved since git-am previously failed.
+ */
+static int safe_to_abort(const struct am_state *state)
+{
+ struct strbuf sb = STRBUF_INIT;
+ unsigned char abort_safety[GIT_SHA1_RAWSZ], head[GIT_SHA1_RAWSZ];
+
+ if (file_exists(am_path(state, "dirtyindex")))
+ return 0;
+
+ if (read_state_file(&sb, state, "abort-safety", 1) > 0) {
+ if (get_sha1_hex(sb.buf, abort_safety))
+ die(_("could not parse %s"), am_path(state, "abort_safety"));
+ } else
+ hashclr(abort_safety);
+
+ if (get_sha1("HEAD", head))
+ hashclr(head);
+
+ if (!hashcmp(head, abort_safety))
+ return 1;
+
+ error(_("You seem to have moved HEAD since the last 'am' failure.\n"
+ "Not rewinding to ORIG_HEAD"));
+
+ return 0;
+}
+
+/**
+ * Aborts the current am session if it is safe to do so.
+ */
+static void am_abort(struct am_state *state)
+{
+ unsigned char curr_head[GIT_SHA1_RAWSZ], orig_head[GIT_SHA1_RAWSZ];
+ int has_curr_head, has_orig_head;
+ char *curr_branch;
+
+ if (!safe_to_abort(state)) {
+ am_destroy(state);
+ return;
+ }
+
+ am_rerere_clear();
+
+ curr_branch = resolve_refdup("HEAD", 0, curr_head, NULL);
+ has_curr_head = !is_null_sha1(curr_head);
+ if (!has_curr_head)
+ hashcpy(curr_head, EMPTY_TREE_SHA1_BIN);
+
+ has_orig_head = !get_sha1("ORIG_HEAD", orig_head);
+ if (!has_orig_head)
+ hashcpy(orig_head, EMPTY_TREE_SHA1_BIN);
+
+ clean_index(curr_head, orig_head);
+
+ if (has_orig_head)
+ update_ref("am --abort", "HEAD", orig_head,
+ has_curr_head ? curr_head : NULL, 0,
+ UPDATE_REFS_DIE_ON_ERR);
+ else if (curr_branch)
+ delete_ref(curr_branch, NULL, REF_NODEREF);
+
+ free(curr_branch);
+ am_destroy(state);
+}
+
+/**
+ * parse_options() callback that validates and sets opt->value to the
+ * PATCH_FORMAT_* enum value corresponding to `arg`.
+ */
+static int parse_opt_patchformat(const struct option *opt, const char *arg, int unset)
+{
+ int *opt_value = opt->value;
+
+ if (!strcmp(arg, "mbox"))
+ *opt_value = PATCH_FORMAT_MBOX;
+ else if (!strcmp(arg, "stgit"))
+ *opt_value = PATCH_FORMAT_STGIT;
+ else if (!strcmp(arg, "stgit-series"))
+ *opt_value = PATCH_FORMAT_STGIT_SERIES;
+ else if (!strcmp(arg, "hg"))
+ *opt_value = PATCH_FORMAT_HG;
+ else
+ return error(_("Invalid value for --patch-format: %s"), arg);
+ return 0;
+}
+
+enum resume_mode {
+ RESUME_FALSE = 0,
+ RESUME_APPLY,
+ RESUME_RESOLVED,
+ RESUME_SKIP,
+ RESUME_ABORT
+};
+
+int cmd_am(int argc, const char **argv, const char *prefix)
+{
+ struct am_state state;
+ int binary = -1;
+ int keep_cr = -1;
+ int patch_format = PATCH_FORMAT_UNKNOWN;
+ enum resume_mode resume = RESUME_FALSE;
+ int in_progress;
+
+ const char * const usage[] = {
+ N_("git am [options] [(<mbox>|<Maildir>)...]"),
+ N_("git am [options] (--continue | --skip | --abort)"),
+ NULL
+ };
+
+ struct option options[] = {
+ OPT_BOOL('i', "interactive", &state.interactive,
+ N_("run interactively")),
+ OPT_HIDDEN_BOOL('b', "binary", &binary,
+ N_("historical option -- no-op")),
+ OPT_BOOL('3', "3way", &state.threeway,
+ N_("allow fall back on 3way merging if needed")),
+ OPT__QUIET(&state.quiet, N_("be quiet")),
+ OPT_SET_INT('s', "signoff", &state.signoff,
+ N_("add a Signed-off-by line to the commit message"),
+ SIGNOFF_EXPLICIT),
+ OPT_BOOL('u', "utf8", &state.utf8,
+ N_("recode into utf8 (default)")),
+ OPT_SET_INT('k', "keep", &state.keep,
+ N_("pass -k flag to git-mailinfo"), KEEP_TRUE),
+ OPT_SET_INT(0, "keep-non-patch", &state.keep,
+ N_("pass -b flag to git-mailinfo"), KEEP_NON_PATCH),
+ OPT_BOOL('m', "message-id", &state.message_id,
+ N_("pass -m flag to git-mailinfo")),
+ { OPTION_SET_INT, 0, "keep-cr", &keep_cr, NULL,
+ N_("pass --keep-cr flag to git-mailsplit for mbox format"),
+ PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, 1},
+ { OPTION_SET_INT, 0, "no-keep-cr", &keep_cr, NULL,
+ N_("do not pass --keep-cr flag to git-mailsplit independent of am.keepcr"),
+ PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, 0},
+ OPT_BOOL('c', "scissors", &state.scissors,
+ N_("strip everything before a scissors line")),
+ OPT_PASSTHRU_ARGV(0, "whitespace", &state.git_apply_opts, N_("action"),
+ N_("pass it through git-apply"),
+ 0),
+ OPT_PASSTHRU_ARGV(0, "ignore-space-change", &state.git_apply_opts, NULL,
+ N_("pass it through git-apply"),
+ PARSE_OPT_NOARG),
+ OPT_PASSTHRU_ARGV(0, "ignore-whitespace", &state.git_apply_opts, NULL,
+ N_("pass it through git-apply"),
+ PARSE_OPT_NOARG),
+ OPT_PASSTHRU_ARGV(0, "directory", &state.git_apply_opts, N_("root"),
+ N_("pass it through git-apply"),
+ 0),
+ OPT_PASSTHRU_ARGV(0, "exclude", &state.git_apply_opts, N_("path"),
+ N_("pass it through git-apply"),
+ 0),
+ OPT_PASSTHRU_ARGV(0, "include", &state.git_apply_opts, N_("path"),
+ N_("pass it through git-apply"),
+ 0),
+ OPT_PASSTHRU_ARGV('C', NULL, &state.git_apply_opts, N_("n"),
+ N_("pass it through git-apply"),
+ 0),
+ OPT_PASSTHRU_ARGV('p', NULL, &state.git_apply_opts, N_("num"),
+ N_("pass it through git-apply"),
+ 0),
+ OPT_CALLBACK(0, "patch-format", &patch_format, N_("format"),
+ N_("format the patch(es) are in"),
+ parse_opt_patchformat),
+ OPT_PASSTHRU_ARGV(0, "reject", &state.git_apply_opts, NULL,
+ N_("pass it through git-apply"),
+ PARSE_OPT_NOARG),
+ OPT_STRING(0, "resolvemsg", &state.resolvemsg, NULL,
+ N_("override error message when patch failure occurs")),
+ OPT_CMDMODE(0, "continue", &resume,
+ N_("continue applying patches after resolving a conflict"),
+ RESUME_RESOLVED),
+ OPT_CMDMODE('r', "resolved", &resume,
+ N_("synonyms for --continue"),
+ RESUME_RESOLVED),
+ OPT_CMDMODE(0, "skip", &resume,
+ N_("skip the current patch"),
+ RESUME_SKIP),
+ OPT_CMDMODE(0, "abort", &resume,
+ N_("restore the original branch and abort the patching operation."),
+ RESUME_ABORT),
+ OPT_BOOL(0, "committer-date-is-author-date",
+ &state.committer_date_is_author_date,
+ N_("lie about committer date")),
+ OPT_BOOL(0, "ignore-date", &state.ignore_date,
+ N_("use current timestamp for author date")),
+ OPT_RERERE_AUTOUPDATE(&state.allow_rerere_autoupdate),
+ { OPTION_STRING, 'S', "gpg-sign", &state.sign_commit, N_("key-id"),
+ N_("GPG-sign commits"),
+ PARSE_OPT_OPTARG, NULL, (intptr_t) "" },
+ OPT_HIDDEN_BOOL(0, "rebasing", &state.rebasing,
+ N_("(internal use for git-rebase)")),
+ OPT_END()
+ };
+
+ git_config(git_default_config, NULL);
+
+ am_state_init(&state, git_path("rebase-apply"));
+
+ in_progress = am_in_progress(&state);
+ if (in_progress)
+ am_load(&state);
+
+ argc = parse_options(argc, argv, prefix, options, usage, 0);
+
+ if (binary >= 0)
+ fprintf_ln(stderr, _("The -b/--binary option has been a no-op for long time, and\n"
+ "it will be removed. Please do not use it anymore."));
+
+ /* Ensure a valid committer ident can be constructed */
+ git_committer_info(IDENT_STRICT);
+
+ if (read_index_preload(&the_index, NULL) < 0)
+ die(_("failed to read the index"));
+
+ if (in_progress) {
+ /*
+ * Catch user error to feed us patches when there is a session
+ * in progress:
+ *
+ * 1. mbox path(s) are provided on the command-line.
+ * 2. stdin is not a tty: the user is trying to feed us a patch
+ * from standard input. This is somewhat unreliable -- stdin
+ * could be /dev/null for example and the caller did not
+ * intend to feed us a patch but wanted to continue
+ * unattended.
+ */
+ if (argc || (resume == RESUME_FALSE && !isatty(0)))
+ die(_("previous rebase directory %s still exists but mbox given."),
+ state.dir);
+
+ if (resume == RESUME_FALSE)
+ resume = RESUME_APPLY;
+
+ if (state.signoff == SIGNOFF_EXPLICIT)
+ am_append_signoff(&state);
+ } else {
+ struct argv_array paths = ARGV_ARRAY_INIT;
+ int i;
+
+ /*
+ * Handle stray state directory in the independent-run case. In
+ * the --rebasing case, it is up to the caller to take care of
+ * stray directories.
+ */
+ if (file_exists(state.dir) && !state.rebasing) {
+ if (resume == RESUME_ABORT) {
+ am_destroy(&state);
+ am_state_release(&state);
+ return 0;
+ }
+
+ die(_("Stray %s directory found.\n"
+ "Use \"git am --abort\" to remove it."),
+ state.dir);
+ }
+
+ if (resume)
+ die(_("Resolve operation not in progress, we are not resuming."));
+
+ for (i = 0; i < argc; i++) {
+ if (is_absolute_path(argv[i]) || !prefix)
+ argv_array_push(&paths, argv[i]);
+ else
+ argv_array_push(&paths, mkpath("%s/%s", prefix, argv[i]));
+ }
+
+ am_setup(&state, patch_format, paths.argv, keep_cr);
+
+ argv_array_clear(&paths);
+ }
+
+ switch (resume) {
+ case RESUME_FALSE:
+ am_run(&state, 0);
+ break;
+ case RESUME_APPLY:
+ am_run(&state, 1);
+ break;
+ case RESUME_RESOLVED:
+ am_resolve(&state);
+ break;
+ case RESUME_SKIP:
+ am_skip(&state);
+ break;
+ case RESUME_ABORT:
+ am_abort(&state);
+ break;
+ default:
+ die("BUG: invalid resume value");
+ }
+
+ am_state_release(&state);
+
+ return 0;
+}
diff --git a/builtin/apply.c b/builtin/apply.c
index 622ee16..4aa53f7 100644
--- a/builtin/apply.c
+++ b/builtin/apply.c
@@ -7,6 +7,7 @@
*
*/
#include "cache.h"
+#include "lockfile.h"
#include "cache-tree.h"
#include "quote.h"
#include "blob.h"
@@ -50,11 +51,12 @@ static int apply_verbosely;
static int allow_overlap;
static int no_add;
static int threeway;
+static int unsafe_paths;
static const char *fake_ancestor;
static int line_termination = '\n';
static unsigned int p_context = UINT_MAX;
static const char * const apply_usage[] = {
- N_("git apply [options] [<patch>...]"),
+ N_("git apply [<options>] [<patch>...]"),
NULL
};
@@ -206,7 +208,7 @@ struct patch {
struct patch *next;
/* three-way fallback result */
- unsigned char threeway_stage[3][20];
+ struct object_id threeway_stage[3];
};
static void free_fragment_list(struct fragment *list)
@@ -435,7 +437,7 @@ static unsigned long linelen(const char *buffer, unsigned long size)
static int is_dev_null(const char *str)
{
- return !memcmp("/dev/null", str, 9) && isspace(str[9]);
+ return skip_prefix(str, "/dev/null", &str) && isspace(*str);
}
#define TERM_SPACE 1
@@ -656,11 +658,6 @@ static size_t diff_timestamp_len(const char *line, size_t len)
return line + len - end;
}
-static char *null_strdup(const char *s)
-{
- return s ? xstrdup(s) : NULL;
-}
-
static char *find_name_common(const char *line, const char *def,
int p_value, const char *end, int terminate)
{
@@ -683,10 +680,10 @@ static char *find_name_common(const char *line, const char *def,
start = line;
}
if (!start)
- return squash_slash(null_strdup(def));
+ return squash_slash(xstrdup_or_null(def));
len = line - start;
if (!len)
- return squash_slash(null_strdup(def));
+ return squash_slash(xstrdup_or_null(def));
/*
* Generally we prefer the shorter name, especially
@@ -788,7 +785,7 @@ static int guess_p_value(const char *nameline)
}
/*
- * Does the ---/+++ line has the POSIX timestamp after the last HT?
+ * Does the ---/+++ line have the POSIX timestamp after the last HT?
* GNU diff puts epoch there to signal a creation/deletion event. Is
* this such a timestamp?
*/
@@ -908,7 +905,7 @@ static void parse_traditional_patch(const char *first, const char *second, struc
patch->old_name = name;
} else {
patch->old_name = name;
- patch->new_name = null_strdup(name);
+ patch->new_name = xstrdup_or_null(name);
}
}
if (!name)
@@ -997,7 +994,7 @@ static int gitdiff_delete(const char *line, struct patch *patch)
{
patch->is_delete = 1;
free(patch->old_name);
- patch->old_name = null_strdup(patch->def_name);
+ patch->old_name = xstrdup_or_null(patch->def_name);
return gitdiff_oldmode(line, patch);
}
@@ -1005,7 +1002,7 @@ static int gitdiff_newfile(const char *line, struct patch *patch)
{
patch->is_new = 1;
free(patch->new_name);
- patch->new_name = null_strdup(patch->def_name);
+ patch->new_name = xstrdup_or_null(patch->def_name);
return gitdiff_newmode(line, patch);
}
@@ -1075,7 +1072,7 @@ static int gitdiff_index(const char *line, struct patch *patch)
line = ptr + 2;
ptr = strchr(line, ' ');
- eol = strchr(line, '\n');
+ eol = strchrnul(line, '\n');
if (!ptr || eol < ptr)
ptr = eol;
@@ -1281,9 +1278,7 @@ static int parse_git_header(const char *line, int len, unsigned int size, struct
*/
patch->def_name = git_header_name(line, len);
if (patch->def_name && root) {
- char *s = xmalloc(root_len + strlen(patch->def_name) + 1);
- strcpy(s, root);
- strcpy(s + root_len, patch->def_name);
+ char *s = xstrfmt("%s%s", root, patch->def_name);
free(patch->def_name);
patch->def_name = s;
}
@@ -1606,6 +1601,9 @@ static int parse_fragment(const char *line, unsigned long size,
if (!deleted && !added)
leading++;
trailing++;
+ if (!apply_in_reverse &&
+ ws_error_action == correct_ws_error)
+ check_whitespace(line, len, patch->ws_rule);
break;
case '-':
if (apply_in_reverse &&
@@ -1640,6 +1638,9 @@ static int parse_fragment(const char *line, unsigned long size,
}
if (oldlines || newlines)
return -1;
+ if (!deleted && !added)
+ return -1;
+
fragment->leading = leading;
fragment->trailing = trailing;
@@ -1922,6 +1923,66 @@ static int parse_binary(char *buffer, unsigned long size, struct patch *patch)
return used;
}
+static void prefix_one(char **name)
+{
+ char *old_name = *name;
+ if (!old_name)
+ return;
+ *name = xstrdup(prefix_filename(prefix, prefix_length, *name));
+ free(old_name);
+}
+
+static void prefix_patch(struct patch *p)
+{
+ if (!prefix || p->is_toplevel_relative)
+ return;
+ prefix_one(&p->new_name);
+ prefix_one(&p->old_name);
+}
+
+/*
+ * include/exclude
+ */
+
+static struct string_list limit_by_name;
+static int has_include;
+static void add_name_limit(const char *name, int exclude)
+{
+ struct string_list_item *it;
+
+ it = string_list_append(&limit_by_name, name);
+ it->util = exclude ? NULL : (void *) 1;
+}
+
+static int use_patch(struct patch *p)
+{
+ const char *pathname = p->new_name ? p->new_name : p->old_name;
+ int i;
+
+ /* Paths outside are not touched regardless of "--include" */
+ if (0 < prefix_length) {
+ int pathlen = strlen(pathname);
+ if (pathlen <= prefix_length ||
+ memcmp(prefix, pathname, prefix_length))
+ return 0;
+ }
+
+ /* See if it matches any of exclude/include rule */
+ for (i = 0; i < limit_by_name.nr; i++) {
+ struct string_list_item *it = &limit_by_name.items[i];
+ if (!wildmatch(it->string, pathname, 0, NULL))
+ return (it->util != NULL);
+ }
+
+ /*
+ * If we had any include, a path that does not match any rule is
+ * not used. Otherwise, we saw bunch of exclude rules (or none)
+ * and such a path is used.
+ */
+ return !has_include;
+}
+
+
/*
* Read the patch text in "buffer" that extends for "size" bytes; stop
* reading after seeing a single patch (i.e. changes to a single file).
@@ -1937,9 +1998,14 @@ static int parse_chunk(char *buffer, unsigned long size, struct patch *patch)
if (offset < 0)
return offset;
- patch->ws_rule = whitespace_rule(patch->new_name
- ? patch->new_name
- : patch->old_name);
+ prefix_patch(patch);
+
+ if (!use_patch(patch))
+ patch->ws_rule = 0;
+ else
+ patch->ws_rule = whitespace_rule(patch->new_name
+ ? patch->new_name
+ : patch->old_name);
patchsize = parse_single_patch(buffer + offset + hdrsize,
size - offset - hdrsize, patch);
@@ -2171,6 +2237,12 @@ static void update_pre_post_images(struct image *preimage,
ctx++;
}
+ if (postlen
+ ? postlen < new - postimage->buf
+ : postimage->len < new - postimage->buf)
+ die("BUG: caller miscounted postlen: asked %d, orig = %d, used = %d",
+ (int)postlen, (int) postimage->len, (int)(new - postimage->buf));
+
/* Fix the length of the whole thing */
postimage->len = new - postimage->buf;
postimage->nr -= reduced;
@@ -2326,10 +2398,27 @@ static int match_fragment(struct image *img,
/*
* The hunk does not apply byte-by-byte, but the hash says
- * it might with whitespace fuzz. We haven't been asked to
+ * it might with whitespace fuzz. We weren't asked to
* ignore whitespace, we were asked to correct whitespace
* errors, so let's try matching after whitespace correction.
*
+ * While checking the preimage against the target, whitespace
+ * errors in both fixed, we count how large the corresponding
+ * postimage needs to be. The postimage prepared by
+ * apply_one_fragment() has whitespace errors fixed on added
+ * lines already, but the common lines were propagated as-is,
+ * which may become longer when their whitespace errors are
+ * fixed.
+ */
+
+ /* First count added lines in postimage */
+ postlen = 0;
+ for (i = 0; i < postimage->nr; i++) {
+ if (!(postimage->line[i].flag & LINE_COMMON))
+ postlen += postimage->line[i].len;
+ }
+
+ /*
* The preimage may extend beyond the end of the file,
* but in this loop we will only handle the part of the
* preimage that falls within the file.
@@ -2337,7 +2426,6 @@ static int match_fragment(struct image *img,
strbuf_init(&fixed, preimage->len + 1);
orig = preimage->buf;
target = img->buf + try;
- postlen = 0;
for (i = 0; i < preimage_limit; i++) {
size_t oldlen = preimage->line[i].len;
size_t tgtlen = img->line[try_lno + i].len;
@@ -2365,7 +2453,10 @@ static int match_fragment(struct image *img,
match = (tgtfix.len == fixed.len - fixstart &&
!memcmp(tgtfix.buf, fixed.buf + fixstart,
fixed.len - fixstart));
- postlen += tgtfix.len;
+
+ /* Add the length if this is common with the postimage */
+ if (preimage->line[i].flag & LINE_COMMON)
+ postlen += tgtfix.len;
strbuf_release(&tgtfix);
if (!match)
@@ -2563,7 +2654,7 @@ static void update_image(struct image *img,
* NOTE: this knows that we never call remove_first_line()
* on anything other than pre/post image.
*/
- img->line = xrealloc(img->line, nr * sizeof(*img->line));
+ REALLOC_ARRAY(img->line, nr);
img->line_allocated = img->line;
}
if (preimage_limit != postimage->nr)
@@ -2688,7 +2779,8 @@ static int apply_one_fragment(struct image *img, struct fragment *frag,
default:
if (apply_verbosely)
error(_("invalid start of line: '%c'"), first);
- return -1;
+ applied_pos = -1;
+ goto out;
}
if (added_blank_line) {
if (!new_blank_lines_at_end)
@@ -2827,6 +2919,7 @@ static int apply_one_fragment(struct image *img, struct fragment *frag,
(int)(old - oldlines), oldlines);
}
+out:
free(oldlines);
strbuf_release(&newlines);
free(preimage.line_allocated);
@@ -3084,13 +3177,15 @@ static void prepare_fn_table(struct patch *patch)
}
}
-static int checkout_target(struct cache_entry *ce, struct stat *st)
+static int checkout_target(struct index_state *istate,
+ struct cache_entry *ce, struct stat *st)
{
struct checkout costate;
memset(&costate, 0, sizeof(costate));
costate.base_dir = "";
costate.refresh_cache = 1;
+ costate.istate = istate;
if (checkout_entry(ce, &costate, NULL) || lstat(ce->name, st))
return error(_("cannot checkout %s"), ce->name);
return 0;
@@ -3135,7 +3230,7 @@ static int load_patch_target(struct strbuf *buf,
const char *name,
unsigned expected_mode)
{
- if (cached) {
+ if (cached || check_index) {
if (read_file_or_gitlink(ce, buf))
return error(_("read of %s failed"), name);
} else if (name) {
@@ -3144,6 +3239,8 @@ static int load_patch_target(struct strbuf *buf,
return read_file_or_gitlink(ce, buf);
else
return SUBMODULE_PATCH_WITHOUT_INDEX;
+ } else if (has_symlink_leading_path(name, strlen(name))) {
+ return error(_("reading from '%s' beyond a symbolic link"), name);
} else {
if (read_old_data(st, name, buf))
return error(_("read of %s failed"), name);
@@ -3257,7 +3354,7 @@ static int load_current(struct image *image, struct patch *patch)
if (lstat(name, &st)) {
if (errno != ENOENT)
return error(_("%s: %s"), name, strerror(errno));
- if (checkout_target(ce, &st))
+ if (checkout_target(&the_index, ce, &st))
return -1;
}
if (verify_index_match(ce, &st))
@@ -3332,11 +3429,11 @@ static int try_threeway(struct image *image, struct patch *patch,
if (status) {
patch->conflicted_threeway = 1;
if (patch->is_new)
- hashclr(patch->threeway_stage[0]);
+ oidclr(&patch->threeway_stage[0]);
else
- hashcpy(patch->threeway_stage[0], pre_sha1);
- hashcpy(patch->threeway_stage[1], our_sha1);
- hashcpy(patch->threeway_stage[2], post_sha1);
+ hashcpy(patch->threeway_stage[0].hash, pre_sha1);
+ hashcpy(patch->threeway_stage[1].hash, our_sha1);
+ hashcpy(patch->threeway_stage[2].hash, post_sha1);
fprintf(stderr, "Applied patch to '%s' with conflicts.\n", patch->new_name);
} else {
fprintf(stderr, "Applied patch to '%s' cleanly.\n", patch->new_name);
@@ -3411,7 +3508,7 @@ static int check_preimage(struct patch *patch, struct cache_entry **ce, struct s
}
*ce = active_cache[pos];
if (stat_ret < 0) {
- if (checkout_target(*ce, st))
+ if (checkout_target(&the_index, *ce, st))
return -1;
}
if (!cached && verify_index_match(*ce, st))
@@ -3484,6 +3581,121 @@ static int check_to_create(const char *new_name, int ok_if_exists)
}
/*
+ * We need to keep track of how symlinks in the preimage are
+ * manipulated by the patches. A patch to add a/b/c where a/b
+ * is a symlink should not be allowed to affect the directory
+ * the symlink points at, but if the same patch removes a/b,
+ * it is perfectly fine, as the patch removes a/b to make room
+ * to create a directory a/b so that a/b/c can be created.
+ */
+static struct string_list symlink_changes;
+#define SYMLINK_GOES_AWAY 01
+#define SYMLINK_IN_RESULT 02
+
+static uintptr_t register_symlink_changes(const char *path, uintptr_t what)
+{
+ struct string_list_item *ent;
+
+ ent = string_list_lookup(&symlink_changes, path);
+ if (!ent) {
+ ent = string_list_insert(&symlink_changes, path);
+ ent->util = (void *)0;
+ }
+ ent->util = (void *)(what | ((uintptr_t)ent->util));
+ return (uintptr_t)ent->util;
+}
+
+static uintptr_t check_symlink_changes(const char *path)
+{
+ struct string_list_item *ent;
+
+ ent = string_list_lookup(&symlink_changes, path);
+ if (!ent)
+ return 0;
+ return (uintptr_t)ent->util;
+}
+
+static void prepare_symlink_changes(struct patch *patch)
+{
+ for ( ; patch; patch = patch->next) {
+ if ((patch->old_name && S_ISLNK(patch->old_mode)) &&
+ (patch->is_rename || patch->is_delete))
+ /* the symlink at patch->old_name is removed */
+ register_symlink_changes(patch->old_name, SYMLINK_GOES_AWAY);
+
+ if (patch->new_name && S_ISLNK(patch->new_mode))
+ /* the symlink at patch->new_name is created or remains */
+ register_symlink_changes(patch->new_name, SYMLINK_IN_RESULT);
+ }
+}
+
+static int path_is_beyond_symlink_1(struct strbuf *name)
+{
+ do {
+ unsigned int change;
+
+ while (--name->len && name->buf[name->len] != '/')
+ ; /* scan backwards */
+ if (!name->len)
+ break;
+ name->buf[name->len] = '\0';
+ change = check_symlink_changes(name->buf);
+ if (change & SYMLINK_IN_RESULT)
+ return 1;
+ if (change & SYMLINK_GOES_AWAY)
+ /*
+ * This cannot be "return 0", because we may
+ * see a new one created at a higher level.
+ */
+ continue;
+
+ /* otherwise, check the preimage */
+ if (check_index) {
+ struct cache_entry *ce;
+
+ ce = cache_file_exists(name->buf, name->len, ignore_case);
+ if (ce && S_ISLNK(ce->ce_mode))
+ return 1;
+ } else {
+ struct stat st;
+ if (!lstat(name->buf, &st) && S_ISLNK(st.st_mode))
+ return 1;
+ }
+ } while (1);
+ return 0;
+}
+
+static int path_is_beyond_symlink(const char *name_)
+{
+ int ret;
+ struct strbuf name = STRBUF_INIT;
+
+ assert(*name_ != '\0');
+ strbuf_addstr(&name, name_);
+ ret = path_is_beyond_symlink_1(&name);
+ strbuf_release(&name);
+
+ return ret;
+}
+
+static void die_on_unsafe_path(struct patch *patch)
+{
+ const char *old_name = NULL;
+ const char *new_name = NULL;
+ if (patch->is_delete)
+ old_name = patch->old_name;
+ else if (!patch->is_new && !patch->is_copy)
+ old_name = patch->old_name;
+ if (!patch->is_delete)
+ new_name = patch->new_name;
+
+ if (old_name && !verify_path(old_name))
+ die(_("invalid path '%s'"), old_name);
+ if (new_name && !verify_path(new_name))
+ die(_("invalid path '%s'"), new_name);
+}
+
+/*
* Check and apply the patch in-core; leave the result in patch->result
* for the caller to write it out to the final destination.
*/
@@ -3570,6 +3782,22 @@ static int check_patch(struct patch *patch)
}
}
+ if (!unsafe_paths)
+ die_on_unsafe_path(patch);
+
+ /*
+ * An attempt to read from or delete a path that is beyond a
+ * symbolic link will be prevented by load_patch_target() that
+ * is called at the beginning of apply_data() so we do not
+ * have to worry about a patch marked with "is_delete" bit
+ * here. We however need to make sure that the patch result
+ * is not deposited to a path that is beyond a symbolic link
+ * here.
+ */
+ if (!patch->is_delete && path_is_beyond_symlink(patch->new_name))
+ return error(_("affected file '%s' is beyond a symbolic link"),
+ patch->new_name);
+
if (apply_data(patch, &st, ce) < 0)
return error(_("%s: patch does not apply"), name);
patch->rejected = 0;
@@ -3580,6 +3808,7 @@ static int check_patch_list(struct patch *patch)
{
int err = 0;
+ prepare_symlink_changes(patch);
prepare_fn_table(patch);
while (patch) {
if (apply_verbosely)
@@ -3644,7 +3873,7 @@ static void build_fake_ancestor(struct patch *list, const char *filename)
{
struct patch *patch;
struct index_state result = { NULL };
- int fd;
+ static struct lock_file lock;
/* Once we start supporting the reverse patch, it may be
* worth showing the new sha1 prefix, but until then...
@@ -3662,7 +3891,7 @@ static void build_fake_ancestor(struct patch *list, const char *filename)
if (!preimage_sha1_in_gitlink_patch(patch, sha1))
; /* ok, the textual part looks sane */
else
- die("sha1 information is lacking or useless for submoule %s",
+ die("sha1 information is lacking or useless for submodule %s",
name);
} else if (!get_sha1_blob(patch->old_sha1_prefix, sha1)) {
; /* ok */
@@ -3682,8 +3911,8 @@ static void build_fake_ancestor(struct patch *list, const char *filename)
die ("Could not add %s to temporary index", name);
}
- fd = open(filename, O_WRONLY | O_CREAT, 0666);
- if (fd < 0 || write_index(&result, fd) || close(fd))
+ hold_lock_file_for_update(&lock, filename, LOCK_DIE_ON_ERROR);
+ if (write_locked_index(&result, &lock, COMMIT_LOCK))
die ("Could not write temporary index to %s", filename);
discard_index(&result);
@@ -3845,9 +4074,10 @@ static void add_index_file(const char *path, unsigned mode, void *buf, unsigned
ce->ce_flags = create_ce_flags(0);
ce->ce_namelen = namelen;
if (S_ISGITLINK(mode)) {
- const char *s = buf;
+ const char *s;
- if (get_sha1_hex(s + strlen("Subproject commit "), ce->sha1))
+ if (!skip_prefix(buf, "Subproject commit ", &s) ||
+ get_sha1_hex(s, ce->sha1))
die(_("corrupt patch for submodule %s"), path);
} else {
if (!cached) {
@@ -3959,14 +4189,14 @@ static void add_conflicted_stages_file(struct patch *patch)
remove_file_from_cache(patch->new_name);
for (stage = 1; stage < 4; stage++) {
- if (is_null_sha1(patch->threeway_stage[stage - 1]))
+ if (is_null_oid(&patch->threeway_stage[stage - 1]))
continue;
ce = xcalloc(1, ce_size);
memcpy(ce->name, patch->new_name, namelen);
ce->ce_mode = create_ce_mode(mode);
ce->ce_flags = create_ce_flags(stage);
ce->ce_namelen = namelen;
- hashcpy(ce->sha1, patch->threeway_stage[stage - 1]);
+ hashcpy(ce->sha1, patch->threeway_stage[stage - 1].hash);
if (add_cache_entry(ce, ADD_CACHE_OK_TO_ADD) < 0)
die(_("unable to add cache entry for %s"), patch->new_name);
}
@@ -4113,7 +4343,7 @@ static int write_out_results(struct patch *list)
if (cpath.nr) {
struct string_list_item *item;
- sort_string_list(&cpath);
+ string_list_sort(&cpath);
for_each_string_list_item(item, &cpath)
fprintf(stderr, "U %s\n", item->string);
string_list_clear(&cpath, 0);
@@ -4126,64 +4356,6 @@ static int write_out_results(struct patch *list)
static struct lock_file lock_file;
-static struct string_list limit_by_name;
-static int has_include;
-static void add_name_limit(const char *name, int exclude)
-{
- struct string_list_item *it;
-
- it = string_list_append(&limit_by_name, name);
- it->util = exclude ? NULL : (void *) 1;
-}
-
-static int use_patch(struct patch *p)
-{
- const char *pathname = p->new_name ? p->new_name : p->old_name;
- int i;
-
- /* Paths outside are not touched regardless of "--include" */
- if (0 < prefix_length) {
- int pathlen = strlen(pathname);
- if (pathlen <= prefix_length ||
- memcmp(prefix, pathname, prefix_length))
- return 0;
- }
-
- /* See if it matches any of exclude/include rule */
- for (i = 0; i < limit_by_name.nr; i++) {
- struct string_list_item *it = &limit_by_name.items[i];
- if (!wildmatch(it->string, pathname, 0, NULL))
- return (it->util != NULL);
- }
-
- /*
- * If we had any include, a path that does not match any rule is
- * not used. Otherwise, we saw bunch of exclude rules (or none)
- * and such a path is used.
- */
- return !has_include;
-}
-
-
-static void prefix_one(char **name)
-{
- char *old_name = *name;
- if (!old_name)
- return;
- *name = xstrdup(prefix_filename(prefix, prefix_length, *name));
- free(old_name);
-}
-
-static void prefix_patches(struct patch *p)
-{
- if (!prefix || p->is_toplevel_relative)
- return;
- for ( ; p; p = p->next) {
- prefix_one(&p->new_name);
- prefix_one(&p->old_name);
- }
-}
-
#define INACCURATE_EOF (1<<0)
#define RECOUNT (1<<1)
@@ -4209,8 +4381,6 @@ static int apply_patch(int fd, const char *filename, int options)
break;
if (apply_in_reverse)
reverse_patches(patch);
- if (prefix)
- prefix_patches(patch);
if (use_patch(patch)) {
patch_stats(patch);
*listp = patch;
@@ -4268,13 +4438,11 @@ static int apply_patch(int fd, const char *filename, int options)
return 0;
}
-static int git_apply_config(const char *var, const char *value, void *cb)
+static void git_apply_config(void)
{
- if (!strcmp(var, "apply.whitespace"))
- return git_config_string(&apply_default_whitespace, var, value);
- else if (!strcmp(var, "apply.ignorewhitespace"))
- return git_config_string(&apply_default_ignorewhitespace, var, value);
- return git_default_config(var, value, cb);
+ git_config_get_string_const("apply.whitespace", &apply_default_whitespace);
+ git_config_get_string_const("apply.ignorewhitespace", &apply_default_ignorewhitespace);
+ git_config(git_default_config, NULL);
}
static int option_parse_exclude(const struct option *opt,
@@ -4379,6 +4547,8 @@ int cmd_apply(int argc, const char **argv, const char *prefix_)
N_("make sure the patch is applicable to the current index")),
OPT_BOOL(0, "cached", &cached,
N_("apply a patch without touching the working tree")),
+ OPT_BOOL(0, "unsafe-paths", &unsafe_paths,
+ N_("accept a patch that touches outside the working area")),
OPT_BOOL(0, "apply", &force_apply,
N_("also apply the patch (use with --stat/--summary/--check)")),
OPT_BOOL('3', "3way", &threeway,
@@ -4422,7 +4592,7 @@ int cmd_apply(int argc, const char **argv, const char *prefix_)
prefix = prefix_;
prefix_length = prefix ? strlen(prefix) : 0;
- git_config(git_apply_config, NULL);
+ git_apply_config();
if (apply_default_whitespace)
parse_whitespace_option(apply_default_whitespace);
if (apply_default_ignorewhitespace)
@@ -4451,6 +4621,9 @@ int cmd_apply(int argc, const char **argv, const char *prefix_)
die(_("--cached outside a repository"));
check_index = 1;
}
+ if (check_index)
+ unsafe_paths = 0;
+
for (i = 0; i < argc; i++) {
const char *arg = argv[i];
int fd;
@@ -4501,8 +4674,7 @@ int cmd_apply(int argc, const char **argv, const char *prefix_)
}
if (update_index) {
- if (write_cache(newfd, active_cache, active_nr) ||
- commit_locked_index(&lock_file))
+ if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK))
die(_("Unable to write new index file"));
}
diff --git a/builtin/blame.c b/builtin/blame.c
index eefd6bc..6fd1a63 100644
--- a/builtin/blame.c
+++ b/builtin/blame.c
@@ -1,10 +1,12 @@
/*
* Blame
*
- * Copyright (c) 2006, Junio C Hamano
+ * Copyright (c) 2006, 2014 by its authors
+ * See COPYING for licensing conditions
*/
#include "cache.h"
+#include "refs.h"
#include "builtin.h"
#include "blob.h"
#include "commit.h"
@@ -18,18 +20,21 @@
#include "cache-tree.h"
#include "string-list.h"
#include "mailmap.h"
+#include "mergesort.h"
#include "parse-options.h"
+#include "prio-queue.h"
#include "utf8.h"
#include "userdiff.h"
#include "line-range.h"
#include "line-log.h"
+#include "dir.h"
-static char blame_usage[] = N_("git blame [options] [rev-opts] [rev] [--] file");
+static char blame_usage[] = N_("git blame [<options>] [<rev-opts>] [<rev>] [--] <file>");
static const char *blame_opt_usage[] = {
blame_usage,
"",
- N_("[rev-opts] are documented in git-rev-list(1)"),
+ N_("<rev-opts> are documented in git-rev-list(1)"),
NULL
};
@@ -46,7 +51,7 @@ static int xdl_opts;
static int abbrev = -1;
static int no_whole_file_rename;
-static enum date_mode blame_date_mode = DATE_ISO8601;
+static struct date_mode blame_date_mode = { DATE_ISO8601 };
static size_t blame_date_width;
static struct string_list mailmap;
@@ -83,11 +88,42 @@ static unsigned blame_copy_score;
*/
struct origin {
int refcnt;
+ /* Record preceding blame record for this blob */
struct origin *previous;
+ /* origins are put in a list linked via `next' hanging off the
+ * corresponding commit's util field in order to make finding
+ * them fast. The presence in this chain does not count
+ * towards the origin's reference count. It is tempting to
+ * let it count as long as the commit is pending examination,
+ * but even under circumstances where the commit will be
+ * present multiple times in the priority queue of unexamined
+ * commits, processing the first instance will not leave any
+ * work requiring the origin data for the second instance. An
+ * interspersed commit changing that would have to be
+ * preexisting with a different ancestry and with the same
+ * commit date in order to wedge itself between two instances
+ * of the same commit in the priority queue _and_ produce
+ * blame entries relevant for it. While we don't want to let
+ * us get tripped up by this case, it certainly does not seem
+ * worth optimizing for.
+ */
+ struct origin *next;
struct commit *commit;
+ /* `suspects' contains blame entries that may be attributed to
+ * this origin's commit or to parent commits. When a commit
+ * is being processed, all suspects will be moved, either by
+ * assigning them to an origin in a different commit, or by
+ * shipping them to the scoreboard's ent list because they
+ * cannot be attributed to a different commit.
+ */
+ struct blame_entry *suspects;
mmfile_t file;
unsigned char blob_sha1[20];
unsigned mode;
+ /* guilty gets set when shipping any suspects to the final
+ * blame list instead of other commits
+ */
+ char guilty;
char path[FLEX_ARRAY];
};
@@ -176,10 +212,22 @@ static inline struct origin *origin_incref(struct origin *o)
static void origin_decref(struct origin *o)
{
if (o && --o->refcnt <= 0) {
+ struct origin *p, *l = NULL;
if (o->previous)
origin_decref(o->previous);
free(o->file.ptr);
- free(o);
+ /* Should be present exactly once in commit chain */
+ for (p = o->commit->util; p; l = p, p = p->next) {
+ if (p == o) {
+ if (l)
+ l->next = p->next;
+ else
+ o->commit->util = p->next;
+ free(o);
+ return;
+ }
+ }
+ die("internal error in blame::origin_decref");
}
}
@@ -193,8 +241,12 @@ static void drop_origin_blob(struct origin *o)
/*
* Each group of lines is described by a blame_entry; it can be split
- * as we pass blame to the parents. They form a linked list in the
- * scoreboard structure, sorted by the target line number.
+ * as we pass blame to the parents. They are arranged in linked lists
+ * kept as `suspects' of some unprocessed origin, or entered (when the
+ * blame origin has been finalized) into the scoreboard structure.
+ * While the scoreboard structure is only sorted at the end of
+ * processing (according to final image line number), the lists
+ * attached to an origin are sorted by the target line number.
*/
struct blame_entry {
struct blame_entry *next;
@@ -210,15 +262,6 @@ struct blame_entry {
/* the commit that introduced this group into the final image */
struct origin *suspect;
- /* true if the suspect is truly guilty; false while we have not
- * checked if the group came from one of its parents.
- */
- char guilty;
-
- /* true if the entry has been scanned for copies in the current parent
- */
- char scanned;
-
/* the line number of the first line of this group in the
* suspect's file; internally all line numbers are 0 based.
*/
@@ -231,11 +274,112 @@ struct blame_entry {
};
/*
+ * Any merge of blames happens on lists of blames that arrived via
+ * different parents in a single suspect. In this case, we want to
+ * sort according to the suspect line numbers as opposed to the final
+ * image line numbers. The function body is somewhat longish because
+ * it avoids unnecessary writes.
+ */
+
+static struct blame_entry *blame_merge(struct blame_entry *list1,
+ struct blame_entry *list2)
+{
+ struct blame_entry *p1 = list1, *p2 = list2,
+ **tail = &list1;
+
+ if (!p1)
+ return p2;
+ if (!p2)
+ return p1;
+
+ if (p1->s_lno <= p2->s_lno) {
+ do {
+ tail = &p1->next;
+ if ((p1 = *tail) == NULL) {
+ *tail = p2;
+ return list1;
+ }
+ } while (p1->s_lno <= p2->s_lno);
+ }
+ for (;;) {
+ *tail = p2;
+ do {
+ tail = &p2->next;
+ if ((p2 = *tail) == NULL) {
+ *tail = p1;
+ return list1;
+ }
+ } while (p1->s_lno > p2->s_lno);
+ *tail = p1;
+ do {
+ tail = &p1->next;
+ if ((p1 = *tail) == NULL) {
+ *tail = p2;
+ return list1;
+ }
+ } while (p1->s_lno <= p2->s_lno);
+ }
+}
+
+static void *get_next_blame(const void *p)
+{
+ return ((struct blame_entry *)p)->next;
+}
+
+static void set_next_blame(void *p1, void *p2)
+{
+ ((struct blame_entry *)p1)->next = p2;
+}
+
+/*
+ * Final image line numbers are all different, so we don't need a
+ * three-way comparison here.
+ */
+
+static int compare_blame_final(const void *p1, const void *p2)
+{
+ return ((struct blame_entry *)p1)->lno > ((struct blame_entry *)p2)->lno
+ ? 1 : -1;
+}
+
+static int compare_blame_suspect(const void *p1, const void *p2)
+{
+ const struct blame_entry *s1 = p1, *s2 = p2;
+ /*
+ * to allow for collating suspects, we sort according to the
+ * respective pointer value as the primary sorting criterion.
+ * The actual relation is pretty unimportant as long as it
+ * establishes a total order. Comparing as integers gives us
+ * that.
+ */
+ if (s1->suspect != s2->suspect)
+ return (intptr_t)s1->suspect > (intptr_t)s2->suspect ? 1 : -1;
+ if (s1->s_lno == s2->s_lno)
+ return 0;
+ return s1->s_lno > s2->s_lno ? 1 : -1;
+}
+
+static struct blame_entry *blame_sort(struct blame_entry *head,
+ int (*compare_fn)(const void *, const void *))
+{
+ return llist_mergesort (head, get_next_blame, set_next_blame, compare_fn);
+}
+
+static int compare_commits_by_reverse_commit_date(const void *a,
+ const void *b,
+ void *c)
+{
+ return -compare_commits_by_commit_date(a, b, c);
+}
+
+/*
* The current state of the blame assignment.
*/
struct scoreboard {
/* the final commit (i.e. where we started digging from) */
struct commit *final;
+ /* Priority queue for commits with unassigned blame records */
+ struct prio_queue commits;
struct rev_info *revs;
const char *path;
@@ -268,7 +412,6 @@ static void coalesce(struct scoreboard *sb)
for (ent = sb->ent; ent && (next = ent->next); ent = next) {
if (ent->suspect == next->suspect &&
- ent->guilty == next->guilty &&
ent->s_lno + ent->num_lines == next->s_lno) {
ent->num_lines += next->num_lines;
ent->next = next->next;
@@ -284,6 +427,30 @@ static void coalesce(struct scoreboard *sb)
}
/*
+ * Merge the given sorted list of blames into a preexisting origin.
+ * If there were no previous blames to that commit, it is entered into
+ * the commit priority queue of the score board.
+ */
+
+static void queue_blames(struct scoreboard *sb, struct origin *porigin,
+ struct blame_entry *sorted)
+{
+ if (porigin->suspects)
+ porigin->suspects = blame_merge(porigin->suspects, sorted);
+ else {
+ struct origin *o;
+ for (o = porigin->commit->util; o; o = o->next) {
+ if (o->suspects) {
+ porigin->suspects = sorted;
+ return;
+ }
+ }
+ porigin->suspects = sorted;
+ prio_queue_put(&sb->commits, porigin->commit);
+ }
+}
+
+/*
* Given a commit and a path in it, create a new origin structure.
* The callers that add blame to the scoreboard should use
* get_origin() to obtain shared, refcounted copy instead of calling
@@ -295,23 +462,32 @@ static struct origin *make_origin(struct commit *commit, const char *path)
o = xcalloc(1, sizeof(*o) + strlen(path) + 1);
o->commit = commit;
o->refcnt = 1;
+ o->next = commit->util;
+ commit->util = o;
strcpy(o->path, path);
return o;
}
/*
* Locate an existing origin or create a new one.
+ * This moves the origin to front position in the commit util list.
*/
static struct origin *get_origin(struct scoreboard *sb,
struct commit *commit,
const char *path)
{
- struct blame_entry *e;
+ struct origin *o, *l;
- for (e = sb->ent; e; e = e->next) {
- if (e->suspect->commit == commit &&
- !strcmp(e->suspect->path, path))
- return origin_incref(e->suspect);
+ for (o = commit->util, l = NULL; o; l = o, o = o->next) {
+ if (!strcmp(o->path, path)) {
+ /* bump to front */
+ if (l) {
+ l->next = o->next;
+ o->next = commit->util;
+ commit->util = o;
+ }
+ return origin_incref(o);
+ }
}
return make_origin(commit, path);
}
@@ -350,41 +526,19 @@ static struct origin *find_origin(struct scoreboard *sb,
struct commit *parent,
struct origin *origin)
{
- struct origin *porigin = NULL;
+ struct origin *porigin;
struct diff_options diff_opts;
const char *paths[2];
- if (parent->util) {
- /*
- * Each commit object can cache one origin in that
- * commit. This is a freestanding copy of origin and
- * not refcounted.
- */
- struct origin *cached = parent->util;
- if (!strcmp(cached->path, origin->path)) {
+ /* First check any existing origins */
+ for (porigin = parent->util; porigin; porigin = porigin->next)
+ if (!strcmp(porigin->path, origin->path)) {
/*
* The same path between origin and its parent
* without renaming -- the most common case.
*/
- porigin = get_origin(sb, parent, cached->path);
-
- /*
- * If the origin was newly created (i.e. get_origin
- * would call make_origin if none is found in the
- * scoreboard), it does not know the blob_sha1/mode,
- * so copy it. Otherwise porigin was in the
- * scoreboard and already knows blob_sha1/mode.
- */
- if (porigin->refcnt == 1) {
- hashcpy(porigin->blob_sha1, cached->blob_sha1);
- porigin->mode = cached->mode;
- }
- return porigin;
+ return origin_incref (porigin);
}
- /* otherwise it was not very useful; free it */
- free(parent->util);
- parent->util = NULL;
- }
/* See if the origin->path is different between parent
* and origin first. Most of the time they are the
@@ -450,19 +604,6 @@ static struct origin *find_origin(struct scoreboard *sb,
}
diff_flush(&diff_opts);
free_pathspec(&diff_opts.pathspec);
- if (porigin) {
- /*
- * Create a freestanding copy that is not part of
- * the refcounted origin found in the scoreboard, and
- * cache it in the commit.
- */
- struct origin *cached;
-
- cached = make_origin(porigin->commit, porigin->path);
- hashcpy(cached->blob_sha1, porigin->blob_sha1);
- cached->mode = porigin->mode;
- parent->util = cached;
- }
return porigin;
}
@@ -509,46 +650,31 @@ static struct origin *find_rename(struct scoreboard *sb,
}
/*
- * Link in a new blame entry to the scoreboard. Entries that cover the
- * same line range have been removed from the scoreboard previously.
+ * Append a new blame entry to a given output queue.
*/
-static void add_blame_entry(struct scoreboard *sb, struct blame_entry *e)
+static void add_blame_entry(struct blame_entry ***queue, struct blame_entry *e)
{
- struct blame_entry *ent, *prev = NULL;
-
origin_incref(e->suspect);
- for (ent = sb->ent; ent && ent->lno < e->lno; ent = ent->next)
- prev = ent;
-
- /* prev, if not NULL, is the last one that is below e */
-
- if (prev) {
- e->next = prev->next;
- prev->next = e;
- }
- else {
- e->next = sb->ent;
- sb->ent = e;
- }
+ e->next = **queue;
+ **queue = e;
+ *queue = &e->next;
}
/*
* src typically is on-stack; we want to copy the information in it to
- * a malloced blame_entry that is already on the linked list of the
- * scoreboard. The origin of dst loses a refcnt while the origin of src
- * gains one.
+ * a malloced blame_entry that gets added to the given queue. The
+ * origin of dst loses a refcnt.
*/
-static void dup_entry(struct blame_entry *dst, struct blame_entry *src)
+static void dup_entry(struct blame_entry ***queue,
+ struct blame_entry *dst, struct blame_entry *src)
{
- struct blame_entry *n;
-
- n = dst->next;
origin_incref(src->suspect);
origin_decref(dst->suspect);
memcpy(dst, src, sizeof(*src));
- dst->next = n;
- dst->score = 0;
+ dst->next = **queue;
+ **queue = dst;
+ *queue = &dst->next;
}
static const char *nth_line(struct scoreboard *sb, long lno)
@@ -620,10 +746,11 @@ static void split_overlap(struct blame_entry *split,
/*
* split_overlap() divided an existing blame e into up to three parts
- * in split. Adjust the linked list of blames in the scoreboard to
+ * in split. Any assigned blame is moved to queue to
* reflect the split.
*/
-static void split_blame(struct scoreboard *sb,
+static void split_blame(struct blame_entry ***blamed,
+ struct blame_entry ***unblamed,
struct blame_entry *split,
struct blame_entry *e)
{
@@ -631,61 +758,39 @@ static void split_blame(struct scoreboard *sb,
if (split[0].suspect && split[2].suspect) {
/* The first part (reuse storage for the existing entry e) */
- dup_entry(e, &split[0]);
+ dup_entry(unblamed, e, &split[0]);
/* The last part -- me */
new_entry = xmalloc(sizeof(*new_entry));
memcpy(new_entry, &(split[2]), sizeof(struct blame_entry));
- add_blame_entry(sb, new_entry);
+ add_blame_entry(unblamed, new_entry);
/* ... and the middle part -- parent */
new_entry = xmalloc(sizeof(*new_entry));
memcpy(new_entry, &(split[1]), sizeof(struct blame_entry));
- add_blame_entry(sb, new_entry);
+ add_blame_entry(blamed, new_entry);
}
else if (!split[0].suspect && !split[2].suspect)
/*
* The parent covers the entire area; reuse storage for
* e and replace it with the parent.
*/
- dup_entry(e, &split[1]);
+ dup_entry(blamed, e, &split[1]);
else if (split[0].suspect) {
/* me and then parent */
- dup_entry(e, &split[0]);
+ dup_entry(unblamed, e, &split[0]);
new_entry = xmalloc(sizeof(*new_entry));
memcpy(new_entry, &(split[1]), sizeof(struct blame_entry));
- add_blame_entry(sb, new_entry);
+ add_blame_entry(blamed, new_entry);
}
else {
/* parent and then me */
- dup_entry(e, &split[1]);
+ dup_entry(blamed, e, &split[1]);
new_entry = xmalloc(sizeof(*new_entry));
memcpy(new_entry, &(split[2]), sizeof(struct blame_entry));
- add_blame_entry(sb, new_entry);
- }
-
- if (DEBUG) { /* sanity */
- struct blame_entry *ent;
- int lno = sb->ent->lno, corrupt = 0;
-
- for (ent = sb->ent; ent; ent = ent->next) {
- if (lno != ent->lno)
- corrupt = 1;
- if (ent->s_lno < 0)
- corrupt = 1;
- lno += ent->num_lines;
- }
- if (corrupt) {
- lno = sb->ent->lno;
- for (ent = sb->ent; ent; ent = ent->next) {
- printf("L %8d l %8d n %8d\n",
- lno, ent->lno, ent->num_lines);
- lno = ent->lno + ent->num_lines;
- }
- die("oops");
- }
+ add_blame_entry(unblamed, new_entry);
}
}
@@ -702,74 +807,146 @@ static void decref_split(struct blame_entry *split)
}
/*
- * Helper for blame_chunk(). blame_entry e is known to overlap with
- * the patch hunk; split it and pass blame to the parent.
+ * reverse_blame reverses the list given in head, appending tail.
+ * That allows us to build lists in reverse order, then reverse them
+ * afterwards. This can be faster than building the list in proper
+ * order right away. The reason is that building in proper order
+ * requires writing a link in the _previous_ element, while building
+ * in reverse order just requires placing the list head into the
+ * _current_ element.
*/
-static void blame_overlap(struct scoreboard *sb, struct blame_entry *e,
- int tlno, int plno, int same,
- struct origin *parent)
-{
- struct blame_entry split[3];
-
- split_overlap(split, e, tlno, plno, same, parent);
- if (split[1].suspect)
- split_blame(sb, split, e);
- decref_split(split);
-}
-/*
- * Find the line number of the last line the target is suspected for.
- */
-static int find_last_in_target(struct scoreboard *sb, struct origin *target)
+static struct blame_entry *reverse_blame(struct blame_entry *head,
+ struct blame_entry *tail)
{
- struct blame_entry *e;
- int last_in_target = -1;
-
- for (e = sb->ent; e; e = e->next) {
- if (e->guilty || e->suspect != target)
- continue;
- if (last_in_target < e->s_lno + e->num_lines)
- last_in_target = e->s_lno + e->num_lines;
+ while (head) {
+ struct blame_entry *next = head->next;
+ head->next = tail;
+ tail = head;
+ head = next;
}
- return last_in_target;
+ return tail;
}
/*
* Process one hunk from the patch between the current suspect for
- * blame_entry e and its parent. Find and split the overlap, and
- * pass blame to the overlapping part to the parent.
+ * blame_entry e and its parent. This first blames any unfinished
+ * entries before the chunk (which is where target and parent start
+ * differing) on the parent, and then splits blame entries at the
+ * start and at the end of the difference region. Since use of -M and
+ * -C options may lead to overlapping/duplicate source line number
+ * ranges, all we can rely on from sorting/merging is the order of the
+ * first suspect line number.
*/
-static void blame_chunk(struct scoreboard *sb,
- int tlno, int plno, int same,
- struct origin *target, struct origin *parent)
+static void blame_chunk(struct blame_entry ***dstq, struct blame_entry ***srcq,
+ int tlno, int offset, int same,
+ struct origin *parent)
{
- struct blame_entry *e;
+ struct blame_entry *e = **srcq;
+ struct blame_entry *samep = NULL, *diffp = NULL;
- for (e = sb->ent; e; e = e->next) {
- if (e->guilty || e->suspect != target)
- continue;
- if (same <= e->s_lno)
- continue;
- if (tlno < e->s_lno + e->num_lines)
- blame_overlap(sb, e, tlno, plno, same, parent);
+ while (e && e->s_lno < tlno) {
+ struct blame_entry *next = e->next;
+ /*
+ * current record starts before differing portion. If
+ * it reaches into it, we need to split it up and
+ * examine the second part separately.
+ */
+ if (e->s_lno + e->num_lines > tlno) {
+ /* Move second half to a new record */
+ int len = tlno - e->s_lno;
+ struct blame_entry *n = xcalloc(1, sizeof (struct blame_entry));
+ n->suspect = e->suspect;
+ n->lno = e->lno + len;
+ n->s_lno = e->s_lno + len;
+ n->num_lines = e->num_lines - len;
+ e->num_lines = len;
+ e->score = 0;
+ /* Push new record to diffp */
+ n->next = diffp;
+ diffp = n;
+ } else
+ origin_decref(e->suspect);
+ /* Pass blame for everything before the differing
+ * chunk to the parent */
+ e->suspect = origin_incref(parent);
+ e->s_lno += offset;
+ e->next = samep;
+ samep = e;
+ e = next;
}
+ /*
+ * As we don't know how much of a common stretch after this
+ * diff will occur, the currently blamed parts are all that we
+ * can assign to the parent for now.
+ */
+
+ if (samep) {
+ **dstq = reverse_blame(samep, **dstq);
+ *dstq = &samep->next;
+ }
+ /*
+ * Prepend the split off portions: everything after e starts
+ * after the blameable portion.
+ */
+ e = reverse_blame(diffp, e);
+
+ /*
+ * Now retain records on the target while parts are different
+ * from the parent.
+ */
+ samep = NULL;
+ diffp = NULL;
+ while (e && e->s_lno < same) {
+ struct blame_entry *next = e->next;
+
+ /*
+ * If current record extends into sameness, need to split.
+ */
+ if (e->s_lno + e->num_lines > same) {
+ /*
+ * Move second half to a new record to be
+ * processed by later chunks
+ */
+ int len = same - e->s_lno;
+ struct blame_entry *n = xcalloc(1, sizeof (struct blame_entry));
+ n->suspect = origin_incref(e->suspect);
+ n->lno = e->lno + len;
+ n->s_lno = e->s_lno + len;
+ n->num_lines = e->num_lines - len;
+ e->num_lines = len;
+ e->score = 0;
+ /* Push new record to samep */
+ n->next = samep;
+ samep = n;
+ }
+ e->next = diffp;
+ diffp = e;
+ e = next;
+ }
+ **srcq = reverse_blame(diffp, reverse_blame(samep, e));
+ /* Move across elements that are in the unblamable portion */
+ if (diffp)
+ *srcq = &diffp->next;
}
struct blame_chunk_cb_data {
- struct scoreboard *sb;
- struct origin *target;
struct origin *parent;
- long plno;
- long tlno;
+ long offset;
+ struct blame_entry **dstq;
+ struct blame_entry **srcq;
};
+/* diff chunks are from parent to target */
static int blame_chunk_cb(long start_a, long count_a,
long start_b, long count_b, void *data)
{
struct blame_chunk_cb_data *d = data;
- blame_chunk(d->sb, d->tlno, d->plno, start_b, d->target, d->parent);
- d->plno = start_a + count_a;
- d->tlno = start_b + count_b;
+ if (start_a - start_b != d->offset)
+ die("internal error in blame::blame_chunk_cb");
+ blame_chunk(&d->dstq, &d->srcq, start_b, start_a - start_b,
+ start_b + count_b, d->parent);
+ d->offset = start_a + count_a - (start_b + count_b);
return 0;
}
@@ -778,29 +955,32 @@ static int blame_chunk_cb(long start_a, long count_a,
* for the lines it is suspected to its parent. Run diff to find
* which lines came from parent and pass blame for them.
*/
-static int pass_blame_to_parent(struct scoreboard *sb,
- struct origin *target,
- struct origin *parent)
+static void pass_blame_to_parent(struct scoreboard *sb,
+ struct origin *target,
+ struct origin *parent)
{
- int last_in_target;
mmfile_t file_p, file_o;
struct blame_chunk_cb_data d;
+ struct blame_entry *newdest = NULL;
- memset(&d, 0, sizeof(d));
- d.sb = sb; d.target = target; d.parent = parent;
- last_in_target = find_last_in_target(sb, target);
- if (last_in_target < 0)
- return 1; /* nothing remains for this target */
+ if (!target->suspects)
+ return; /* nothing remains for this target */
+
+ d.parent = parent;
+ d.offset = 0;
+ d.dstq = &newdest; d.srcq = &target->suspects;
fill_origin_blob(&sb->revs->diffopt, parent, &file_p);
fill_origin_blob(&sb->revs->diffopt, target, &file_o);
num_get_patch++;
diff_hunks(&file_p, &file_o, 0, blame_chunk_cb, &d);
- /* The rest (i.e. anything after tlno) are the same as the parent */
- blame_chunk(sb, d.tlno, d.plno, last_in_target, target, parent);
+ /* The rest are the same as the parent */
+ blame_chunk(&d.dstq, &d.srcq, INT_MAX, d.offset, INT_MAX, parent);
+ *d.dstq = NULL;
+ queue_blames(sb, parent, newdest);
- return 0;
+ return;
}
/*
@@ -945,43 +1125,80 @@ static void find_copy_in_blob(struct scoreboard *sb,
handle_split(sb, ent, d.tlno, d.plno, ent->num_lines, parent, split);
}
+/* Move all blame entries from list *source that have a score smaller
+ * than score_min to the front of list *small.
+ * Returns a pointer to the link pointing to the old head of the small list.
+ */
+
+static struct blame_entry **filter_small(struct scoreboard *sb,
+ struct blame_entry **small,
+ struct blame_entry **source,
+ unsigned score_min)
+{
+ struct blame_entry *p = *source;
+ struct blame_entry *oldsmall = *small;
+ while (p) {
+ if (ent_score(sb, p) <= score_min) {
+ *small = p;
+ small = &p->next;
+ p = *small;
+ } else {
+ *source = p;
+ source = &p->next;
+ p = *source;
+ }
+ }
+ *small = oldsmall;
+ *source = NULL;
+ return small;
+}
+
/*
* See if lines currently target is suspected for can be attributed to
* parent.
*/
-static int find_move_in_parent(struct scoreboard *sb,
- struct origin *target,
- struct origin *parent)
+static void find_move_in_parent(struct scoreboard *sb,
+ struct blame_entry ***blamed,
+ struct blame_entry **toosmall,
+ struct origin *target,
+ struct origin *parent)
{
- int last_in_target, made_progress;
struct blame_entry *e, split[3];
+ struct blame_entry *unblamed = target->suspects;
+ struct blame_entry *leftover = NULL;
mmfile_t file_p;
- last_in_target = find_last_in_target(sb, target);
- if (last_in_target < 0)
- return 1; /* nothing remains for this target */
+ if (!unblamed)
+ return; /* nothing remains for this target */
fill_origin_blob(&sb->revs->diffopt, parent, &file_p);
if (!file_p.ptr)
- return 0;
+ return;
- made_progress = 1;
- while (made_progress) {
- made_progress = 0;
- for (e = sb->ent; e; e = e->next) {
- if (e->guilty || e->suspect != target ||
- ent_score(sb, e) < blame_move_score)
- continue;
+ /* At each iteration, unblamed has a NULL-terminated list of
+ * entries that have not yet been tested for blame. leftover
+ * contains the reversed list of entries that have been tested
+ * without being assignable to the parent.
+ */
+ do {
+ struct blame_entry **unblamedtail = &unblamed;
+ struct blame_entry *next;
+ for (e = unblamed; e; e = next) {
+ next = e->next;
find_copy_in_blob(sb, e, parent, split, &file_p);
if (split[1].suspect &&
blame_move_score < ent_score(sb, &split[1])) {
- split_blame(sb, split, e);
- made_progress = 1;
+ split_blame(blamed, &unblamedtail, split, e);
+ } else {
+ e->next = leftover;
+ leftover = e;
}
decref_split(split);
}
- }
- return 0;
+ *unblamedtail = NULL;
+ toosmall = filter_small(sb, toosmall, &unblamed, blame_move_score);
+ } while (unblamed);
+ target->suspects = reverse_blame(leftover, NULL);
}
struct blame_list {
@@ -993,62 +1210,46 @@ struct blame_list {
* Count the number of entries the target is suspected for,
* and prepare a list of entry and the best split.
*/
-static struct blame_list *setup_blame_list(struct scoreboard *sb,
- struct origin *target,
- int min_score,
+static struct blame_list *setup_blame_list(struct blame_entry *unblamed,
int *num_ents_p)
{
struct blame_entry *e;
int num_ents, i;
struct blame_list *blame_list = NULL;
- for (e = sb->ent, num_ents = 0; e; e = e->next)
- if (!e->scanned && !e->guilty &&
- e->suspect == target &&
- min_score < ent_score(sb, e))
- num_ents++;
+ for (e = unblamed, num_ents = 0; e; e = e->next)
+ num_ents++;
if (num_ents) {
blame_list = xcalloc(num_ents, sizeof(struct blame_list));
- for (e = sb->ent, i = 0; e; e = e->next)
- if (!e->scanned && !e->guilty &&
- e->suspect == target &&
- min_score < ent_score(sb, e))
- blame_list[i++].ent = e;
+ for (e = unblamed, i = 0; e; e = e->next)
+ blame_list[i++].ent = e;
}
*num_ents_p = num_ents;
return blame_list;
}
/*
- * Reset the scanned status on all entries.
- */
-static void reset_scanned_flag(struct scoreboard *sb)
-{
- struct blame_entry *e;
- for (e = sb->ent; e; e = e->next)
- e->scanned = 0;
-}
-
-/*
* For lines target is suspected for, see if we can find code movement
* across file boundary from the parent commit. porigin is the path
* in the parent we already tried.
*/
-static int find_copy_in_parent(struct scoreboard *sb,
- struct origin *target,
- struct commit *parent,
- struct origin *porigin,
- int opt)
+static void find_copy_in_parent(struct scoreboard *sb,
+ struct blame_entry ***blamed,
+ struct blame_entry **toosmall,
+ struct origin *target,
+ struct commit *parent,
+ struct origin *porigin,
+ int opt)
{
struct diff_options diff_opts;
int i, j;
- int retval;
struct blame_list *blame_list;
int num_ents;
+ struct blame_entry *unblamed = target->suspects;
+ struct blame_entry *leftover = NULL;
- blame_list = setup_blame_list(sb, target, blame_copy_score, &num_ents);
- if (!blame_list)
- return 1; /* nothing remains for this target */
+ if (!unblamed)
+ return; /* nothing remains for this target */
diff_setup(&diff_opts);
DIFF_OPT_SET(&diff_opts, RECURSIVE);
@@ -1078,9 +1279,9 @@ static int find_copy_in_parent(struct scoreboard *sb,
if (!DIFF_OPT_TST(&diff_opts, FIND_COPIES_HARDER))
diffcore_std(&diff_opts);
- retval = 0;
- while (1) {
- int made_progress = 0;
+ do {
+ struct blame_entry **unblamedtail = &unblamed;
+ blame_list = setup_blame_list(unblamed, &num_ents);
for (i = 0; i < diff_queued_diff.nr; i++) {
struct diff_filepair *p = diff_queued_diff.queue[i];
@@ -1117,27 +1318,21 @@ static int find_copy_in_parent(struct scoreboard *sb,
struct blame_entry *split = blame_list[j].split;
if (split[1].suspect &&
blame_copy_score < ent_score(sb, &split[1])) {
- split_blame(sb, split, blame_list[j].ent);
- made_progress = 1;
+ split_blame(blamed, &unblamedtail, split,
+ blame_list[j].ent);
+ } else {
+ blame_list[j].ent->next = leftover;
+ leftover = blame_list[j].ent;
}
- else
- blame_list[j].ent->scanned = 1;
decref_split(split);
}
free(blame_list);
-
- if (!made_progress)
- break;
- blame_list = setup_blame_list(sb, target, blame_copy_score, &num_ents);
- if (!blame_list) {
- retval = 1;
- break;
- }
- }
- reset_scanned_flag(sb);
+ *unblamedtail = NULL;
+ toosmall = filter_small(sb, toosmall, &unblamed, blame_copy_score);
+ } while (unblamed);
+ target->suspects = reverse_blame(leftover, NULL);
diff_flush(&diff_opts);
free_pathspec(&diff_opts.pathspec);
- return retval;
}
/*
@@ -1147,20 +1342,21 @@ static int find_copy_in_parent(struct scoreboard *sb,
static void pass_whole_blame(struct scoreboard *sb,
struct origin *origin, struct origin *porigin)
{
- struct blame_entry *e;
+ struct blame_entry *e, *suspects;
if (!porigin->file.ptr && origin->file.ptr) {
/* Steal its file */
porigin->file = origin->file;
origin->file.ptr = NULL;
}
- for (e = sb->ent; e; e = e->next) {
- if (e->suspect != origin)
- continue;
+ suspects = origin->suspects;
+ origin->suspects = NULL;
+ for (e = suspects; e; e = e->next) {
origin_incref(porigin);
origin_decref(e->suspect);
e->suspect = porigin;
}
+ queue_blames(sb, porigin, suspects);
}
/*
@@ -1177,11 +1373,29 @@ static struct commit_list *first_scapegoat(struct rev_info *revs, struct commit
static int num_scapegoats(struct rev_info *revs, struct commit *commit)
{
- int cnt;
struct commit_list *l = first_scapegoat(revs, commit);
- for (cnt = 0; l; l = l->next)
- cnt++;
- return cnt;
+ return commit_list_count(l);
+}
+
+/* Distribute collected unsorted blames to the respected sorted lists
+ * in the various origins.
+ */
+static void distribute_blame(struct scoreboard *sb, struct blame_entry *blamed)
+{
+ blamed = blame_sort(blamed, compare_blame_suspect);
+ while (blamed)
+ {
+ struct origin *porigin = blamed->suspect;
+ struct blame_entry *suspects = NULL;
+ do {
+ struct blame_entry *next = blamed->next;
+ blamed->next = suspects;
+ suspects = blamed;
+ blamed = next;
+ } while (blamed && blamed->suspect == porigin);
+ suspects = reverse_blame(suspects, NULL);
+ queue_blames(sb, porigin, suspects);
+ }
}
#define MAXSG 16
@@ -1194,6 +1408,8 @@ static void pass_blame(struct scoreboard *sb, struct origin *origin, int opt)
struct commit_list *sg;
struct origin *sg_buf[MAXSG];
struct origin *porigin, **sg_origin = sg_buf;
+ struct blame_entry *toosmall = NULL;
+ struct blame_entry *blames, **blametail = &blames;
num_sg = num_scapegoats(revs, commit);
if (!num_sg)
@@ -1255,38 +1471,71 @@ static void pass_blame(struct scoreboard *sb, struct origin *origin, int opt)
origin_incref(porigin);
origin->previous = porigin;
}
- if (pass_blame_to_parent(sb, origin, porigin))
+ pass_blame_to_parent(sb, origin, porigin);
+ if (!origin->suspects)
goto finish;
}
/*
* Optionally find moves in parents' files.
*/
- if (opt & PICKAXE_BLAME_MOVE)
- for (i = 0, sg = first_scapegoat(revs, commit);
- i < num_sg && sg;
- sg = sg->next, i++) {
- struct origin *porigin = sg_origin[i];
- if (!porigin)
- continue;
- if (find_move_in_parent(sb, origin, porigin))
- goto finish;
+ if (opt & PICKAXE_BLAME_MOVE) {
+ filter_small(sb, &toosmall, &origin->suspects, blame_move_score);
+ if (origin->suspects) {
+ for (i = 0, sg = first_scapegoat(revs, commit);
+ i < num_sg && sg;
+ sg = sg->next, i++) {
+ struct origin *porigin = sg_origin[i];
+ if (!porigin)
+ continue;
+ find_move_in_parent(sb, &blametail, &toosmall, origin, porigin);
+ if (!origin->suspects)
+ break;
+ }
}
+ }
/*
* Optionally find copies from parents' files.
*/
- if (opt & PICKAXE_BLAME_COPY)
+ if (opt & PICKAXE_BLAME_COPY) {
+ if (blame_copy_score > blame_move_score)
+ filter_small(sb, &toosmall, &origin->suspects, blame_copy_score);
+ else if (blame_copy_score < blame_move_score) {
+ origin->suspects = blame_merge(origin->suspects, toosmall);
+ toosmall = NULL;
+ filter_small(sb, &toosmall, &origin->suspects, blame_copy_score);
+ }
+ if (!origin->suspects)
+ goto finish;
+
for (i = 0, sg = first_scapegoat(revs, commit);
i < num_sg && sg;
sg = sg->next, i++) {
struct origin *porigin = sg_origin[i];
- if (find_copy_in_parent(sb, origin, sg->item,
- porigin, opt))
+ find_copy_in_parent(sb, &blametail, &toosmall,
+ origin, sg->item, porigin, opt);
+ if (!origin->suspects)
goto finish;
}
+ }
- finish:
+finish:
+ *blametail = NULL;
+ distribute_blame(sb, blames);
+ /*
+ * prepend toosmall to origin->suspects
+ *
+ * There is no point in sorting: this ends up on a big
+ * unsorted list in the caller anyway.
+ */
+ if (toosmall) {
+ struct blame_entry **tail = &toosmall;
+ while (*tail)
+ tail = &(*tail)->next;
+ *tail = origin->suspects;
+ origin->suspects = toosmall;
+ }
for (i = 0; i < num_sg; i++) {
if (sg_origin[i]) {
drop_origin_blob(sg_origin[i]);
@@ -1481,14 +1730,11 @@ static int emit_one_suspect_detail(struct origin *suspect, int repeat)
}
/*
- * The blame_entry is found to be guilty for the range. Mark it
- * as such, and show it in incremental output.
+ * The blame_entry is found to be guilty for the range.
+ * Show it in incremental output.
*/
static void found_guilty_entry(struct blame_entry *ent)
{
- if (ent->guilty)
- return;
- ent->guilty = 1;
if (incremental) {
struct origin *suspect = ent->suspect;
@@ -1502,32 +1748,34 @@ static void found_guilty_entry(struct blame_entry *ent)
}
/*
- * The main loop -- while the scoreboard has lines whose true origin
- * is still unknown, pick one blame_entry, and allow its current
- * suspect to pass blames to its parents.
- */
+ * The main loop -- while we have blobs with lines whose true origin
+ * is still unknown, pick one blob, and allow its lines to pass blames
+ * to its parents. */
static void assign_blame(struct scoreboard *sb, int opt)
{
struct rev_info *revs = sb->revs;
+ struct commit *commit = prio_queue_get(&sb->commits);
- while (1) {
+ while (commit) {
struct blame_entry *ent;
- struct commit *commit;
- struct origin *suspect = NULL;
+ struct origin *suspect = commit->util;
/* find one suspect to break down */
- for (ent = sb->ent; !suspect && ent; ent = ent->next)
- if (!ent->guilty)
- suspect = ent->suspect;
- if (!suspect)
- return; /* all done */
+ while (suspect && !suspect->suspects)
+ suspect = suspect->next;
+
+ if (!suspect) {
+ commit = prio_queue_get(&sb->commits);
+ continue;
+ }
+
+ assert(commit == suspect->commit);
/*
* We will use this suspect later in the loop,
* so hold onto it in the meantime.
*/
origin_incref(suspect);
- commit = suspect->commit;
parse_commit(commit);
if (reverse ||
(!(commit->object.flags & UNINTERESTING) &&
@@ -1543,9 +1791,22 @@ static void assign_blame(struct scoreboard *sb, int opt)
commit->object.flags |= UNINTERESTING;
/* Take responsibility for the remaining entries */
- for (ent = sb->ent; ent; ent = ent->next)
- if (ent->suspect == suspect)
+ ent = suspect->suspects;
+ if (ent) {
+ suspect->guilty = 1;
+ for (;;) {
+ struct blame_entry *next = ent->next;
found_guilty_entry(ent);
+ if (next) {
+ ent = next;
+ continue;
+ }
+ ent->next = sb->ent;
+ sb->ent = suspect->suspects;
+ suspect->suspects = NULL;
+ break;
+ }
+ }
origin_decref(suspect);
if (DEBUG) /* sanity */
@@ -1567,7 +1828,7 @@ static const char *format_time(unsigned long time, const char *tz_str,
size_t time_width;
int tz;
tz = atoi(tz_str);
- time_str = show_date(time, tz, blame_date_mode);
+ time_str = show_date(time, tz, &blame_date_mode);
strbuf_addstr(&time_buf, time_str);
/*
* Add space paddings to time_buf to display a fixed width
@@ -1609,9 +1870,8 @@ static void emit_porcelain(struct scoreboard *sb, struct blame_entry *ent,
char hex[41];
strcpy(hex, sha1_to_hex(suspect->commit->object.sha1));
- printf("%s%c%d %d %d\n",
+ printf("%s %d %d %d\n",
hex,
- ent->guilty ? ' ' : '*', /* purely for debugging */
ent->s_lno + 1,
ent->lno + 1,
ent->num_lines);
@@ -1724,17 +1984,16 @@ static void output(struct scoreboard *sb, int option)
if (option & OUTPUT_PORCELAIN) {
for (ent = sb->ent; ent; ent = ent->next) {
- struct blame_entry *oth;
- struct origin *suspect = ent->suspect;
- struct commit *commit = suspect->commit;
+ int count = 0;
+ struct origin *suspect;
+ struct commit *commit = ent->suspect->commit;
if (commit->object.flags & MORE_THAN_ONE_PATH)
continue;
- for (oth = ent->next; oth; oth = oth->next) {
- if ((oth->suspect->commit != commit) ||
- !strcmp(oth->suspect->path, suspect->path))
- continue;
- commit->object.flags |= MORE_THAN_ONE_PATH;
- break;
+ for (suspect = commit->util; suspect; suspect = suspect->next) {
+ if (suspect->guilty && count++) {
+ commit->object.flags |= MORE_THAN_ONE_PATH;
+ break;
+ }
}
}
}
@@ -1748,6 +2007,12 @@ static void output(struct scoreboard *sb, int option)
}
}
+static const char *get_next_line(const char *start, const char *end)
+{
+ const char *nl = memchr(start, '\n', end - start);
+ return nl ? nl + 1 : end;
+}
+
/*
* To allow quick access to the contents of nth line in the
* final image, prepare an index in the scoreboard.
@@ -1759,39 +2024,19 @@ static int prepare_lines(struct scoreboard *sb)
const char *end = buf + len;
const char *p;
int *lineno;
- int num = 0, incomplete = 0;
+ int num = 0;
- for (p = buf;;) {
- p = memchr(p, '\n', end - p);
- if (p) {
- p++;
- num++;
- continue;
- }
- break;
- }
+ for (p = buf; p < end; p = get_next_line(p, end))
+ num++;
- if (len && end[-1] != '\n')
- incomplete++; /* incomplete line at the end */
+ sb->lineno = lineno = xmalloc(sizeof(*sb->lineno) * (num + 1));
- sb->lineno = xmalloc(sizeof(*sb->lineno) * (num + incomplete + 1));
- lineno = sb->lineno;
+ for (p = buf; p < end; p = get_next_line(p, end))
+ *lineno++ = p - buf;
- *lineno++ = 0;
- for (p = buf;;) {
- p = memchr(p, '\n', end - p);
- if (p) {
- p++;
- *lineno++ = p - buf;
- continue;
- }
- break;
- }
+ *lineno = len;
- if (incomplete)
- *lineno++ = len;
-
- sb->num_lines = num + incomplete;
+ sb->num_lines = num;
return sb->num_lines;
}
@@ -1842,7 +2087,6 @@ static void find_alignment(struct scoreboard *sb, int *option)
for (e = sb->ent; e; e = e->next) {
struct origin *suspect = e->suspect;
- struct commit_info ci;
int num;
if (compute_auto_abbrev)
@@ -1853,6 +2097,7 @@ static void find_alignment(struct scoreboard *sb, int *option)
if (longest_file < num)
longest_file = num;
if (!(suspect->commit->object.flags & METAINFO_SHOWN)) {
+ struct commit_info ci;
suspect->commit->object.flags |= METAINFO_SHOWN;
get_commit_info(suspect->commit, &ci, 1);
if (*option & OUTPUT_SHOW_EMAIL)
@@ -1861,6 +2106,7 @@ static void find_alignment(struct scoreboard *sb, int *option)
num = utf8_strwidth(ci.author.buf);
if (longest_author < num)
longest_author = num;
+ commit_info_destroy(&ci);
}
num = e->s_lno + e->num_lines;
if (longest_src_lines < num)
@@ -1870,8 +2116,6 @@ static void find_alignment(struct scoreboard *sb, int *option)
longest_dst_lines = num;
if (largest_score < ent_score(sb, e))
largest_score = ent_score(sb, e);
-
- commit_info_destroy(&ci);
}
max_orig_digits = decimal_width(longest_src_lines);
max_digits = decimal_width(longest_dst_lines);
@@ -1909,16 +2153,6 @@ static void sanity_check_refcnt(struct scoreboard *sb)
}
}
-/*
- * Used for the command line parsing; check if the path exists
- * in the working tree.
- */
-static int has_string_in_work_tree(const char *path)
-{
- struct stat st;
- return !lstat(path, &st);
-}
-
static unsigned parse_score(const char *arg)
{
char *end;
@@ -1943,10 +2177,18 @@ static int git_blame_config(const char *var, const char *value, void *cb)
blank_boundary = git_config_bool(var, value);
return 0;
}
+ if (!strcmp(var, "blame.showemail")) {
+ int *output_option = cb;
+ if (git_config_bool(var, value))
+ *output_option |= OUTPUT_SHOW_EMAIL;
+ else
+ *output_option &= ~OUTPUT_SHOW_EMAIL;
+ return 0;
+ }
if (!strcmp(var, "blame.date")) {
if (!value)
return config_error_nonbool(var);
- blame_date_mode = parse_date_format(value);
+ parse_date_format(value, &blame_date_mode);
return 0;
}
@@ -1985,20 +2227,19 @@ static struct commit_list **append_parent(struct commit_list **tail, const unsig
static void append_merge_parents(struct commit_list **tail)
{
int merge_head;
- const char *merge_head_file = git_path("MERGE_HEAD");
struct strbuf line = STRBUF_INIT;
- merge_head = open(merge_head_file, O_RDONLY);
+ merge_head = open(git_path_merge_head(), O_RDONLY);
if (merge_head < 0) {
if (errno == ENOENT)
return;
- die("cannot open '%s' for reading", merge_head_file);
+ die("cannot open '%s' for reading", git_path_merge_head());
}
while (!strbuf_getwholeline_fd(&line, merge_head, '\n')) {
unsigned char sha1[20];
if (line.len < 40 || get_sha1_hex(line.buf, sha1))
- die("unknown line in '%s': %s", merge_head_file, line.buf);
+ die("unknown line in '%s': %s", git_path_merge_head(), line.buf);
tail = append_parent(tail, sha1);
}
close(merge_head);
@@ -2043,7 +2284,7 @@ static struct commit *fake_working_tree_commit(struct diff_options *opt,
commit->date = now;
parent_tail = &commit->parents;
- if (!resolve_ref_unsafe("HEAD", head_sha1, 1, NULL))
+ if (!resolve_ref_unsafe("HEAD", RESOLVE_REF_READING, head_sha1, NULL))
die("no such ref: HEAD");
parent_tail = append_parent(parent_tail, head_sha1);
@@ -2106,10 +2347,10 @@ static struct commit *fake_working_tree_commit(struct diff_options *opt,
if (strbuf_read(&buf, 0, 0) < 0)
die_errno("failed to read from stdin");
}
+ convert_to_git(path, buf.buf, buf.len, &buf, 0);
origin->file.ptr = buf.buf;
origin->file.size = buf.len;
pretend_sha1_file(buf.buf, buf.len, OBJ_BLOB, origin->blob_sha1);
- commit->util = origin;
/*
* Read the current index, replace the path entry with
@@ -2143,12 +2384,12 @@ static struct commit *fake_working_tree_commit(struct diff_options *opt,
* right now, but someday we might optimize diff-index --cached
* with cache-tree information.
*/
- cache_tree_invalidate_path(active_cache_tree, path);
+ cache_tree_invalidate_path(&the_index, path);
return commit;
}
-static const char *prepare_final(struct scoreboard *sb)
+static char *prepare_final(struct scoreboard *sb)
{
int i;
const char *final_commit_name = NULL;
@@ -2173,10 +2414,10 @@ static const char *prepare_final(struct scoreboard *sb)
sb->final = (struct commit *) obj;
final_commit_name = revs->pending.objects[i].name;
}
- return final_commit_name;
+ return xstrdup_or_null(final_commit_name);
}
-static const char *prepare_initial(struct scoreboard *sb)
+static char *prepare_initial(struct scoreboard *sb)
{
int i;
const char *final_commit_name = NULL;
@@ -2203,7 +2444,7 @@ static const char *prepare_initial(struct scoreboard *sb)
}
if (!final_commit_name)
die("No commit to dig down to?");
- return final_commit_name;
+ return xstrdup(final_commit_name);
}
static int blame_copy_callback(const struct option *option, const char *arg, int unset)
@@ -2247,7 +2488,7 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
struct origin *o;
struct blame_entry *ent = NULL;
long dashdash_pos, lno;
- const char *final_commit_name = NULL;
+ char *final_commit_name = NULL;
enum object_type type;
static struct string_list range_list;
@@ -2287,7 +2528,7 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
unsigned int range_i;
long anchor;
- git_config(git_blame_config, NULL);
+ git_config(git_blame_config, &output_option);
init_revisions(&revs, NULL);
revs.date_mode = blame_date_mode;
DIFF_OPT_SET(&revs.diffopt, ALLOW_TEXTCONV);
@@ -2328,16 +2569,19 @@ parse_done:
if (cmd_is_annotate) {
output_option |= OUTPUT_ANNOTATE_COMPAT;
- blame_date_mode = DATE_ISO8601;
+ blame_date_mode.type = DATE_ISO8601;
} else {
blame_date_mode = revs.date_mode;
}
/* The maximum width used to show the dates */
- switch (blame_date_mode) {
+ switch (blame_date_mode.type) {
case DATE_RFC2822:
blame_date_width = sizeof("Thu, 19 Oct 2006 16:00:04 -0700");
break;
+ case DATE_ISO8601_STRICT:
+ blame_date_width = sizeof("2006-10-19T16:00:04-07:00");
+ break;
case DATE_ISO8601:
blame_date_width = sizeof("2006-10-19 16:00:04 -0700");
break;
@@ -2356,10 +2600,12 @@ parse_done:
fewer display columns. */
blame_date_width = utf8_strwidth(_("4 years, 11 months ago")) + 1; /* add the null */
break;
- case DATE_LOCAL:
case DATE_NORMAL:
blame_date_width = sizeof("Thu Oct 19 16:00:04 2006 -0700");
break;
+ case DATE_STRFTIME:
+ blame_date_width = strlen(show_date(0, 0, &blame_date_mode)) + 1; /* add the null */
+ break;
}
blame_date_width -= 1; /* strip the null */
@@ -2411,14 +2657,14 @@ parse_done:
if (argc < 2)
usage_with_options(blame_opt_usage, options);
path = add_prefix(prefix, argv[argc - 1]);
- if (argc == 3 && !has_string_in_work_tree(path)) { /* (2b) */
+ if (argc == 3 && !file_exists(path)) { /* (2b) */
path = add_prefix(prefix, argv[1]);
argv[1] = argv[2];
}
argv[argc - 1] = "--";
setup_work_tree();
- if (!has_string_in_work_tree(path))
+ if (!file_exists(path))
die_errno("cannot stat path '%s'", path);
}
@@ -2427,12 +2673,16 @@ parse_done:
memset(&sb, 0, sizeof(sb));
sb.revs = &revs;
- if (!reverse)
+ if (!reverse) {
final_commit_name = prepare_final(&sb);
+ sb.commits.compare = compare_commits_by_commit_date;
+ }
else if (contents_from)
die("--contents and --children do not blend well.");
- else
+ else {
final_commit_name = prepare_initial(&sb);
+ sb.commits.compare = compare_commits_by_reverse_commit_date;
+ }
if (!sb.final) {
/*
@@ -2454,7 +2704,7 @@ parse_done:
* uninteresting.
*/
if (prepare_revision_walk(&revs))
- die("revision walk setup failed");
+ die(_("revision walk setup failed"));
if (is_null_sha1(sb.final->object.sha1)) {
o = sb.final->util;
@@ -2518,12 +2768,16 @@ parse_done:
ent->next = next;
origin_incref(o);
}
+
+ o->suspects = ent;
+ prio_queue_put(&sb.commits, o->commit);
+
origin_decref(o);
range_set_release(&ranges);
string_list_clear(&range_list, 0);
- sb.ent = ent;
+ sb.ent = NULL;
sb.path = path;
read_mailmap(&mailmap, NULL);
@@ -2533,9 +2787,13 @@ parse_done:
assign_blame(&sb, opt);
+ free(final_commit_name);
+
if (incremental)
return 0;
+ sb.ent = blame_sort(sb.ent, compare_blame_final);
+
coalesce(&sb);
if (!(output_option & OUTPUT_PORCELAIN))
diff --git a/builtin/branch.c b/builtin/branch.c
index 652b1d2..3ba4d1b 100644
--- a/builtin/branch.c
+++ b/builtin/branch.c
@@ -21,10 +21,10 @@
#include "wt-status.h"
static const char * const builtin_branch_usage[] = {
- N_("git branch [options] [-r | -a] [--merged | --no-merged]"),
- N_("git branch [options] [-l] [-f] <branchname> [<start-point>]"),
- N_("git branch [options] [-r] (-d | -D) <branchname>..."),
- N_("git branch [options] (-m | -M) [<oldbranch>] <newbranch>"),
+ N_("git branch [<options>] [-r | -a] [--merged | --no-merged]"),
+ N_("git branch [<options>] [-l] [-f] <branch-name> [<start-point>]"),
+ N_("git branch [<options>] [-r] (-d | -D) <branch-name>..."),
+ N_("git branch [<options>] (-m | -M) [<old-branch>] <new-branch>"),
NULL
};
@@ -62,39 +62,40 @@ static unsigned char merge_filter_ref[20];
static struct string_list output = STRING_LIST_INIT_DUP;
static unsigned int colopts;
-static int parse_branch_color_slot(const char *var, int ofs)
+static int parse_branch_color_slot(const char *slot)
{
- if (!strcasecmp(var+ofs, "plain"))
+ if (!strcasecmp(slot, "plain"))
return BRANCH_COLOR_PLAIN;
- if (!strcasecmp(var+ofs, "reset"))
+ if (!strcasecmp(slot, "reset"))
return BRANCH_COLOR_RESET;
- if (!strcasecmp(var+ofs, "remote"))
+ if (!strcasecmp(slot, "remote"))
return BRANCH_COLOR_REMOTE;
- if (!strcasecmp(var+ofs, "local"))
+ if (!strcasecmp(slot, "local"))
return BRANCH_COLOR_LOCAL;
- if (!strcasecmp(var+ofs, "current"))
+ if (!strcasecmp(slot, "current"))
return BRANCH_COLOR_CURRENT;
- if (!strcasecmp(var+ofs, "upstream"))
+ if (!strcasecmp(slot, "upstream"))
return BRANCH_COLOR_UPSTREAM;
return -1;
}
static int git_branch_config(const char *var, const char *value, void *cb)
{
+ const char *slot_name;
+
if (starts_with(var, "column."))
return git_column_config(var, value, "branch", &colopts);
if (!strcmp(var, "color.branch")) {
branch_use_color = git_config_colorbool(var, value);
return 0;
}
- if (starts_with(var, "color.branch.")) {
- int slot = parse_branch_color_slot(var, 13);
+ if (skip_prefix(var, "color.branch.", &slot_name)) {
+ int slot = parse_branch_color_slot(slot_name);
if (slot < 0)
return 0;
if (!value)
return config_error_nonbool(var);
- color_parse(value, var, branch_colors[slot]);
- return 0;
+ return color_parse(value, branch_colors[slot]);
}
return git_color_default_config(var, value, cb);
}
@@ -122,14 +123,13 @@ static int branch_merged(int kind, const char *name,
if (kind == REF_LOCAL_BRANCH) {
struct branch *branch = branch_get(name);
+ const char *upstream = branch_get_upstream(branch, NULL);
unsigned char sha1[20];
- if (branch &&
- branch->merge &&
- branch->merge[0] &&
- branch->merge[0]->dst &&
+ if (upstream &&
(reference_name = reference_name_to_free =
- resolve_refdup(branch->merge[0]->dst, sha1, 1, NULL)) != NULL)
+ resolve_refdup(upstream, RESOLVE_REF_READING,
+ sha1, NULL)) != NULL)
reference_rev = lookup_commit_reference(sha1);
}
if (!reference_rev)
@@ -160,7 +160,7 @@ static int branch_merged(int kind, const char *name,
}
static int check_branch_commit(const char *branchname, const char *refname,
- unsigned char *sha1, struct commit *head_rev,
+ const unsigned char *sha1, struct commit *head_rev,
int kinds, int force)
{
struct commit *rev = lookup_commit_reference(sha1);
@@ -233,26 +233,30 @@ static int delete_branches(int argc, const char **argv, int force, int kinds,
free(name);
name = mkpathdup(fmt, bname.buf);
- target = resolve_ref_unsafe(name, sha1, 0, &flags);
- if (!target ||
- (!(flags & REF_ISSYMREF) && is_null_sha1(sha1))) {
+ target = resolve_ref_unsafe(name,
+ RESOLVE_REF_READING
+ | RESOLVE_REF_NO_RECURSE
+ | RESOLVE_REF_ALLOW_BAD_NAME,
+ sha1, &flags);
+ if (!target) {
error(remote_branch
- ? _("remote branch '%s' not found.")
+ ? _("remote-tracking branch '%s' not found.")
: _("branch '%s' not found."), bname.buf);
ret = 1;
continue;
}
- if (!(flags & REF_ISSYMREF) &&
+ if (!(flags & (REF_ISSYMREF|REF_ISBROKEN)) &&
check_branch_commit(bname.buf, name, sha1, head_rev, kinds,
force)) {
ret = 1;
continue;
}
- if (delete_ref(name, sha1, REF_NODEREF)) {
+ if (delete_ref(name, is_null_sha1(sha1) ? NULL : sha1,
+ REF_NODEREF)) {
error(remote_branch
- ? _("Error deleting remote branch '%s'")
+ ? _("Error deleting remote-tracking branch '%s'")
: _("Error deleting branch '%s'"),
bname.buf);
ret = 1;
@@ -260,11 +264,11 @@ static int delete_branches(int argc, const char **argv, int force, int kinds,
}
if (!quiet) {
printf(remote_branch
- ? _("Deleted remote branch %s (was %s).\n")
+ ? _("Deleted remote-tracking branch %s (was %s).\n")
: _("Deleted branch %s (was %s).\n"),
bname.buf,
- (flags & REF_ISSYMREF)
- ? target
+ (flags & REF_ISBROKEN) ? "broken"
+ : (flags & REF_ISSYMREF) ? target
: find_unique_abbrev(sha1, DEFAULT_ABBREV));
}
delete_branch_config(bname.buf);
@@ -280,6 +284,7 @@ struct ref_item {
char *dest;
unsigned int kind, width;
struct commit *commit;
+ int ignore;
};
struct ref_list {
@@ -294,13 +299,13 @@ static char *resolve_symref(const char *src, const char *prefix)
{
unsigned char sha1[20];
int flag;
- const char *dst, *cp;
+ const char *dst;
- dst = resolve_ref_unsafe(src, sha1, 0, &flag);
+ dst = resolve_ref_unsafe(src, 0, sha1, &flag);
if (!(dst && (flag & REF_ISSYMREF)))
return NULL;
- if (prefix && (cp = skip_prefix(dst, prefix)))
- dst = cp;
+ if (prefix)
+ skip_prefix(dst, prefix, &dst);
return xstrdup(dst);
}
@@ -322,7 +327,7 @@ static int match_patterns(const char **pattern, const char *refname)
return 0;
}
-static int append_ref(const char *refname, const unsigned char *sha1, int flags, void *cb_data)
+static int append_ref(const char *refname, const struct object_id *oid, int flags, void *cb_data)
{
struct append_ref_cb *cb = (struct append_ref_cb *)(cb_data);
struct ref_list *ref_list = cb->ref_list;
@@ -334,20 +339,18 @@ static int append_ref(const char *refname, const unsigned char *sha1, int flags,
static struct {
int kind;
const char *prefix;
- int pfxlen;
} ref_kind[] = {
- { REF_LOCAL_BRANCH, "refs/heads/", 11 },
- { REF_REMOTE_BRANCH, "refs/remotes/", 13 },
+ { REF_LOCAL_BRANCH, "refs/heads/" },
+ { REF_REMOTE_BRANCH, "refs/remotes/" },
};
/* Detect kind */
for (i = 0; i < ARRAY_SIZE(ref_kind); i++) {
prefix = ref_kind[i].prefix;
- if (strncmp(refname, prefix, ref_kind[i].pfxlen))
- continue;
- kind = ref_kind[i].kind;
- refname += ref_kind[i].pfxlen;
- break;
+ if (skip_prefix(refname, prefix, &refname)) {
+ kind = ref_kind[i].kind;
+ break;
+ }
}
if (ARRAY_SIZE(ref_kind) <= i)
return 0;
@@ -361,7 +364,7 @@ static int append_ref(const char *refname, const unsigned char *sha1, int flags,
commit = NULL;
if (ref_list->verbose || ref_list->with_commit || merge_filter != NO_FILTER) {
- commit = lookup_commit_reference_gently(sha1, 1);
+ commit = lookup_commit_reference_gently(oid->hash, 1);
if (!commit) {
cb->ret = error(_("branch '%s' does not point at a commit"), refname);
return 0;
@@ -385,6 +388,7 @@ static int append_ref(const char *refname, const unsigned char *sha1, int flags,
newitem->commit = commit;
newitem->width = utf8_strwidth(refname);
newitem->dest = resolve_symref(orig_refname, prefix);
+ newitem->ignore = 0;
/* adjust for "remotes/" */
if (newitem->kind == REF_REMOTE_BRANCH &&
ref_list->kinds != REF_REMOTE_BRANCH)
@@ -422,25 +426,19 @@ static void fill_tracking_info(struct strbuf *stat, const char *branch_name,
int ours, theirs;
char *ref = NULL;
struct branch *branch = branch_get(branch_name);
+ const char *upstream;
struct strbuf fancy = STRBUF_INIT;
int upstream_is_gone = 0;
int added_decoration = 1;
- switch (stat_tracking_info(branch, &ours, &theirs)) {
- case 0:
- /* no base */
- return;
- case -1:
- /* with "gone" base */
+ if (stat_tracking_info(branch, &ours, &theirs, &upstream) < 0) {
+ if (!upstream)
+ return;
upstream_is_gone = 1;
- break;
- default:
- /* with base */
- break;
}
if (show_upstream_ref) {
- ref = shorten_unambiguous_ref(branch->merge[0]->dst, 0);
+ ref = shorten_unambiguous_ref(upstream, 0);
if (want_color(branch_use_color))
strbuf_addf(&fancy, "%s%s%s",
branch_get_color(BRANCH_COLOR_UPSTREAM),
@@ -484,17 +482,6 @@ static void fill_tracking_info(struct strbuf *stat, const char *branch_name,
free(ref);
}
-static int matches_merge_filter(struct commit *commit)
-{
- int is_merged;
-
- if (merge_filter == NO_FILTER)
- return 1;
-
- is_merged = !!(commit->object.flags & UNINTERESTING);
- return (is_merged == (merge_filter == SHOW_MERGED));
-}
-
static void add_verbose_info(struct strbuf *out, struct ref_item *item,
int verbose, int abbrev)
{
@@ -522,10 +509,9 @@ static void print_ref_item(struct ref_item *item, int maxwidth, int verbose,
{
char c;
int color;
- struct commit *commit = item->commit;
struct strbuf out = STRBUF_INIT, name = STRBUF_INIT;
- if (!matches_merge_filter(commit))
+ if (item->ignore)
return;
switch (item->kind) {
@@ -575,7 +561,7 @@ static int calc_maxwidth(struct ref_list *refs)
{
int i, w = 0;
for (i = 0; i < refs->index; i++) {
- if (!matches_merge_filter(refs->list[i].commit))
+ if (refs->list[i].ignore)
continue;
if (refs->list[i].width > w)
w = refs->list[i].width;
@@ -596,9 +582,16 @@ static char *get_head_description(void)
else if (state.bisect_in_progress)
strbuf_addf(&desc, _("(no branch, bisect started on %s)"),
state.branch);
- else if (state.detached_from)
- strbuf_addf(&desc, _("(detached from %s)"),
- state.detached_from);
+ else if (state.detached_from) {
+ /* TRANSLATORS: make sure these match _("HEAD detached at ")
+ and _("HEAD detached from ") in wt-status.c */
+ if (state.detached_at)
+ strbuf_addf(&desc, _("(HEAD detached at %s)"),
+ state.detached_from);
+ else
+ strbuf_addf(&desc, _("(HEAD detached from %s)"),
+ state.detached_from);
+ }
else
strbuf_addstr(&desc, _("(no branch)"));
free(state.branch);
@@ -618,6 +611,7 @@ static void show_detached(struct ref_list *ref_list)
item.kind = REF_LOCAL_BRANCH;
item.dest = NULL;
item.commit = head_commit;
+ item.ignore = 0;
if (item.width > ref_list->maxwidth)
ref_list->maxwidth = item.width;
print_ref_item(&item, ref_list->maxwidth, ref_list->verbose, ref_list->abbrev, 1, "");
@@ -642,6 +636,10 @@ static int print_ref_list(int kinds, int detached, int verbose, int abbrev, stru
cb.pattern = pattern;
cb.ret = 0;
for_each_rawref(append_ref, &cb);
+ /*
+ * The following implementation is currently duplicated in ref-filter. It
+ * will eventually be removed when we port branch.c to use ref-filter APIs.
+ */
if (merge_filter != NO_FILTER) {
struct commit *filter;
filter = lookup_commit_reference_gently(merge_filter_ref, 0);
@@ -653,7 +651,23 @@ static int print_ref_list(int kinds, int detached, int verbose, int abbrev, stru
add_pending_object(&ref_list.revs,
(struct object *) filter, "");
ref_list.revs.limited = 1;
- prepare_revision_walk(&ref_list.revs);
+
+ if (prepare_revision_walk(&ref_list.revs))
+ die(_("revision walk setup failed"));
+
+ for (i = 0; i < ref_list.index; i++) {
+ struct ref_item *item = &ref_list.list[i];
+ struct commit *commit = item->commit;
+ int is_merged = !!(commit->object.flags & UNINTERESTING);
+ item->ignore = is_merged != (merge_filter == SHOW_MERGED);
+ }
+
+ for (i = 0; i < ref_list.index; i++) {
+ struct ref_item *item = &ref_list.list[i];
+ clear_commit_marks(item->commit, ALL_REV_FLAGS);
+ }
+ clear_commit_marks(filter, ALL_REV_FLAGS);
+
if (verbose)
ref_list.maxwidth = calc_maxwidth(&ref_list);
}
@@ -736,6 +750,10 @@ static void rename_branch(const char *oldname, const char *newname, int force)
strbuf_release(&newsection);
}
+/*
+ * This function is duplicated in ref-filter. It will eventually be removed
+ * when we port branch.c to use ref-filter APIs.
+ */
static int opt_parse_merge_filter(const struct option *opt, const char *arg, int unset)
{
merge_filter = ((opt->long_name[0] == 'n')
@@ -754,7 +772,6 @@ static const char edit_description[] = "BRANCH_DESCRIPTION";
static int edit_branch_description(const char *branch_name)
{
- FILE *fp;
int status;
struct strbuf buf = STRBUF_INIT;
struct strbuf name = STRBUF_INIT;
@@ -767,8 +784,7 @@ static int edit_branch_description(const char *branch_name)
" %s\n"
"Lines starting with '%c' will be stripped.\n",
branch_name, comment_line_char);
- fp = fopen(git_path(edit_description), "w");
- if ((fwrite(buf.buf, 1, buf.len, fp) < buf.len) || fclose(fp)) {
+ if (write_file_gently(git_path(edit_description), "%s", buf.buf)) {
strbuf_release(&buf);
return error(_("could not write branch description template: %s"),
strerror(errno));
@@ -790,7 +806,7 @@ static int edit_branch_description(const char *branch_name)
int cmd_branch(int argc, const char **argv, const char *prefix)
{
- int delete = 0, rename = 0, force_create = 0, list = 0;
+ int delete = 0, rename = 0, force = 0, list = 0;
int verbose = 0, abbrev = -1, detached = 0;
int reflog = 0, edit_description = 0;
int quiet = 0, unset_upstream = 0;
@@ -813,18 +829,8 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
OPT__COLOR(&branch_use_color, N_("use colored output")),
OPT_SET_INT('r', "remotes", &kinds, N_("act on remote-tracking branches"),
REF_REMOTE_BRANCH),
- {
- OPTION_CALLBACK, 0, "contains", &with_commit, N_("commit"),
- N_("print only branches that contain the commit"),
- PARSE_OPT_LASTARG_DEFAULT,
- parse_opt_with_commit, (intptr_t)"HEAD",
- },
- {
- OPTION_CALLBACK, 0, "with", &with_commit, N_("commit"),
- N_("print only branches that contain the commit"),
- PARSE_OPT_HIDDEN | PARSE_OPT_LASTARG_DEFAULT,
- parse_opt_with_commit, (intptr_t) "HEAD",
- },
+ OPT_CONTAINS(&with_commit, N_("print only branches that contain the commit")),
+ OPT_WITH(&with_commit, N_("print only branches that contain the commit")),
OPT__ABBREV(&abbrev),
OPT_GROUP(N_("Specific git-branch actions:")),
@@ -838,7 +844,7 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
OPT_BOOL('l', "create-reflog", &reflog, N_("create the branch's reflog")),
OPT_BOOL(0, "edit-description", &edit_description,
N_("edit the description for the branch")),
- OPT__FORCE(&force_create, N_("force creation (when already exists)")),
+ OPT__FORCE(&force, N_("force creation, move/rename, deletion")),
{
OPTION_CALLBACK, 0, "no-merged", &merge_filter_ref,
N_("commit"), N_("print only not merged branches"),
@@ -862,16 +868,13 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
track = git_branch_track;
- head = resolve_refdup("HEAD", head_sha1, 0, NULL);
+ head = resolve_refdup("HEAD", 0, head_sha1, NULL);
if (!head)
die(_("Failed to resolve HEAD as a valid ref."));
- if (!strcmp(head, "HEAD")) {
+ if (!strcmp(head, "HEAD"))
detached = 1;
- } else {
- if (!starts_with(head, "refs/heads/"))
- die(_("HEAD not found below refs/heads!"));
- head += 11;
- }
+ else if (!skip_prefix(head, "refs/heads/", &head))
+ die(_("HEAD not found below refs/heads!"));
hashcpy(merge_filter_ref, head_sha1);
@@ -884,7 +887,7 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
if (with_commit || merge_filter != NO_FILTER)
list = 1;
- if (!!delete + !!rename + !!force_create + !!new_upstream +
+ if (!!delete + !!rename + !!new_upstream +
list + unset_upstream > 1)
usage_with_options(builtin_branch_usage, options);
@@ -897,6 +900,11 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
colopts = 0;
}
+ if (force) {
+ delete *= 2;
+ rename *= 2;
+ }
+
if (delete) {
if (!argc)
die(_("branch name required"));
@@ -1013,7 +1021,7 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
branch_existed = ref_exists(branch->refname);
create_branch(head, argv[0], (argc == 2) ? argv[1] : head,
- force_create, reflog, 0, quiet, track);
+ force, reflog, 0, quiet, track);
/*
* We only show the instructions if the user gave us
diff --git a/builtin/bundle.c b/builtin/bundle.c
index 92a8a60..4883a43 100644
--- a/builtin/bundle.c
+++ b/builtin/bundle.c
@@ -42,6 +42,10 @@ int cmd_bundle(int argc, const char **argv, const char *prefix)
if (!strcmp(cmd, "verify")) {
close(bundle_fd);
+ if (argc != 1) {
+ usage(builtin_bundle_usage);
+ return 1;
+ }
if (verify_bundle(&header, 1))
return 1;
fprintf(stderr, _("%s is okay\n"), bundle_file);
@@ -52,6 +56,10 @@ int cmd_bundle(int argc, const char **argv, const char *prefix)
return !!list_bundle_refs(&header, argc, argv);
}
if (!strcmp(cmd, "create")) {
+ if (argc < 2) {
+ usage(builtin_bundle_usage);
+ return 1;
+ }
if (!startup_info->have_repository)
die(_("Need a repository to create a bundle."));
return !!create_bundle(&header, bundle_file, argc, argv);
diff --git a/builtin/cat-file.c b/builtin/cat-file.c
index 7073304..07baad1 100644
--- a/builtin/cat-file.c
+++ b/builtin/cat-file.c
@@ -4,22 +4,36 @@
* Copyright (C) Linus Torvalds, 2005
*/
#include "cache.h"
-#include "exec_cmd.h"
-#include "tag.h"
-#include "tree.h"
#include "builtin.h"
#include "parse-options.h"
-#include "diff.h"
#include "userdiff.h"
#include "streaming.h"
+#include "tree-walk.h"
+#include "sha1-array.h"
-static int cat_one_file(int opt, const char *exp_type, const char *obj_name)
+struct batch_options {
+ int enabled;
+ int follow_symlinks;
+ int print_contents;
+ int buffer_output;
+ int all_objects;
+ const char *format;
+};
+
+static int cat_one_file(int opt, const char *exp_type, const char *obj_name,
+ int unknown_type)
{
unsigned char sha1[20];
enum object_type type;
char *buf;
unsigned long size;
struct object_context obj_context;
+ struct object_info oi = {NULL};
+ struct strbuf sb = STRBUF_INIT;
+ unsigned flags = LOOKUP_REPLACE_OBJECT;
+
+ if (unknown_type)
+ flags |= LOOKUP_UNKNOWN_OBJECT;
if (get_sha1_with_context(obj_name, 0, sha1, &obj_context))
die("Not a valid object name %s", obj_name);
@@ -27,20 +41,22 @@ static int cat_one_file(int opt, const char *exp_type, const char *obj_name)
buf = NULL;
switch (opt) {
case 't':
- type = sha1_object_info(sha1, NULL);
- if (type > 0) {
- printf("%s\n", typename(type));
+ oi.typename = &sb;
+ if (sha1_object_info_extended(sha1, &oi, flags) < 0)
+ die("git cat-file: could not get object info");
+ if (sb.len) {
+ printf("%s\n", sb.buf);
+ strbuf_release(&sb);
return 0;
}
break;
case 's':
- type = sha1_object_info(sha1, &size);
- if (type > 0) {
- printf("%lu\n", size);
- return 0;
- }
- break;
+ oi.sizep = &size;
+ if (sha1_object_info_extended(sha1, &oi, flags) < 0)
+ die("git cat-file: could not get object info");
+ printf("%lu\n", size);
+ return 0;
case 'e':
return !has_sha1_file(sha1);
@@ -79,11 +95,10 @@ static int cat_one_file(int opt, const char *exp_type, const char *obj_name)
if (type_from_string(exp_type) == OBJ_BLOB) {
unsigned char blob_sha1[20];
if (sha1_object_info(sha1, NULL) == OBJ_TAG) {
- enum object_type type;
- unsigned long size;
char *buffer = read_sha1_file(sha1, &type, &size);
- if (memcmp(buffer, "object ", 7) ||
- get_sha1_hex(buffer + 7, blob_sha1))
+ const char *target;
+ if (!skip_prefix(buffer, "object ", &target) ||
+ get_sha1_hex(target, blob_sha1))
die("%s not a valid tag", sha1_to_hex(sha1));
free(buffer);
} else
@@ -199,14 +214,25 @@ static size_t expand_format(struct strbuf *sb, const char *start, void *data)
return end - start + 1;
}
-static void print_object_or_die(int fd, struct expand_data *data)
+static void batch_write(struct batch_options *opt, const void *data, int len)
+{
+ if (opt->buffer_output) {
+ if (fwrite(data, 1, len, stdout) != len)
+ die_errno("unable to write to stdout");
+ } else
+ write_or_die(1, data, len);
+}
+
+static void print_object_or_die(struct batch_options *opt, struct expand_data *data)
{
const unsigned char *sha1 = data->sha1;
assert(data->info.typep);
if (data->type == OBJ_BLOB) {
- if (stream_blob_to_fd(fd, sha1, NULL, 0) < 0)
+ if (opt->buffer_output)
+ fflush(stdout);
+ if (stream_blob_to_fd(1, sha1, NULL, 0) < 0)
die("unable to stream %s to stdout", sha1_to_hex(sha1));
}
else {
@@ -222,46 +248,104 @@ static void print_object_or_die(int fd, struct expand_data *data)
if (data->info.sizep && size != data->size)
die("object %s changed size!?", sha1_to_hex(sha1));
- write_or_die(fd, contents, size);
+ batch_write(opt, contents, size);
free(contents);
}
}
-struct batch_options {
- int enabled;
- int print_contents;
- const char *format;
-};
-
-static int batch_one_object(const char *obj_name, struct batch_options *opt,
- struct expand_data *data)
+static void batch_object_write(const char *obj_name, struct batch_options *opt,
+ struct expand_data *data)
{
struct strbuf buf = STRBUF_INIT;
- if (!obj_name)
- return 1;
-
- if (get_sha1(obj_name, data->sha1)) {
- printf("%s missing\n", obj_name);
- fflush(stdout);
- return 0;
- }
-
if (sha1_object_info_extended(data->sha1, &data->info, LOOKUP_REPLACE_OBJECT) < 0) {
- printf("%s missing\n", obj_name);
+ printf("%s missing\n", obj_name ? obj_name : sha1_to_hex(data->sha1));
fflush(stdout);
- return 0;
+ return;
}
strbuf_expand(&buf, opt->format, expand_format, data);
strbuf_addch(&buf, '\n');
- write_or_die(1, buf.buf, buf.len);
+ batch_write(opt, buf.buf, buf.len);
strbuf_release(&buf);
if (opt->print_contents) {
- print_object_or_die(1, data);
- write_or_die(1, "\n", 1);
+ print_object_or_die(opt, data);
+ batch_write(opt, "\n", 1);
+ }
+}
+
+static void batch_one_object(const char *obj_name, struct batch_options *opt,
+ struct expand_data *data)
+{
+ struct object_context ctx;
+ int flags = opt->follow_symlinks ? GET_SHA1_FOLLOW_SYMLINKS : 0;
+ enum follow_symlinks_result result;
+
+ result = get_sha1_with_context(obj_name, flags, data->sha1, &ctx);
+ if (result != FOUND) {
+ switch (result) {
+ case MISSING_OBJECT:
+ printf("%s missing\n", obj_name);
+ break;
+ case DANGLING_SYMLINK:
+ printf("dangling %"PRIuMAX"\n%s\n",
+ (uintmax_t)strlen(obj_name), obj_name);
+ break;
+ case SYMLINK_LOOP:
+ printf("loop %"PRIuMAX"\n%s\n",
+ (uintmax_t)strlen(obj_name), obj_name);
+ break;
+ case NOT_DIR:
+ printf("notdir %"PRIuMAX"\n%s\n",
+ (uintmax_t)strlen(obj_name), obj_name);
+ break;
+ default:
+ die("BUG: unknown get_sha1_with_context result %d\n",
+ result);
+ break;
+ }
+ fflush(stdout);
+ return;
}
+
+ if (ctx.mode == 0) {
+ printf("symlink %"PRIuMAX"\n%s\n",
+ (uintmax_t)ctx.symlink_path.len,
+ ctx.symlink_path.buf);
+ fflush(stdout);
+ return;
+ }
+
+ batch_object_write(obj_name, opt, data);
+}
+
+struct object_cb_data {
+ struct batch_options *opt;
+ struct expand_data *expand;
+};
+
+static void batch_object_cb(const unsigned char sha1[20], void *vdata)
+{
+ struct object_cb_data *data = vdata;
+ hashcpy(data->expand->sha1, sha1);
+ batch_object_write(NULL, data->opt, data->expand);
+}
+
+static int batch_loose_object(const unsigned char *sha1,
+ const char *path,
+ void *data)
+{
+ sha1_array_append(data, sha1);
+ return 0;
+}
+
+static int batch_packed_object(const unsigned char *sha1,
+ struct packed_git *pack,
+ uint32_t pos,
+ void *data)
+{
+ sha1_array_append(data, sha1);
return 0;
}
@@ -292,6 +376,21 @@ static int batch_objects(struct batch_options *opt)
if (opt->print_contents)
data.info.typep = &data.type;
+ if (opt->all_objects) {
+ struct sha1_array sa = SHA1_ARRAY_INIT;
+ struct object_cb_data cb;
+
+ for_each_loose_object(batch_loose_object, &sa, 0);
+ for_each_packed_object(batch_packed_object, &sa, 0);
+
+ cb.opt = opt;
+ cb.expand = &data;
+ sha1_array_for_each_unique(&sa, batch_object_cb, &cb);
+
+ sha1_array_clear(&sa);
+ return 0;
+ }
+
/*
* We are going to call get_sha1 on a potentially very large number of
* objects. In most large cases, these will be actual object sha1s. The
@@ -317,9 +416,7 @@ static int batch_objects(struct batch_options *opt)
data.rest = p;
}
- retval = batch_one_object(buf.buf, opt, &data);
- if (retval)
- break;
+ batch_one_object(buf.buf, opt, &data);
}
strbuf_release(&buf);
@@ -328,8 +425,8 @@ static int batch_objects(struct batch_options *opt)
}
static const char * const cat_file_usage[] = {
- N_("git cat-file (-t|-s|-e|-p|<type>|--textconv) <object>"),
- N_("git cat-file (--batch|--batch-check) < <list_of_objects>"),
+ N_("git cat-file (-t [--allow-unknown-type]|-s [--allow-unknown-type]|-e|-p|<type>|--textconv) <object>"),
+ N_("git cat-file (--batch | --batch-check) [--follow-symlinks] < <list-of-objects>"),
NULL
};
@@ -347,9 +444,8 @@ static int batch_option_callback(const struct option *opt,
{
struct batch_options *bo = opt->value;
- if (unset) {
- memset(bo, 0, sizeof(*bo));
- return 0;
+ if (bo->enabled) {
+ return 1;
}
bo->enabled = 1;
@@ -364,30 +460,35 @@ int cmd_cat_file(int argc, const char **argv, const char *prefix)
int opt = 0;
const char *exp_type = NULL, *obj_name = NULL;
struct batch_options batch = {0};
+ int unknown_type = 0;
const struct option options[] = {
OPT_GROUP(N_("<type> can be one of: blob, tree, commit, tag")),
- OPT_SET_INT('t', NULL, &opt, N_("show object type"), 't'),
- OPT_SET_INT('s', NULL, &opt, N_("show object size"), 's'),
- OPT_SET_INT('e', NULL, &opt,
+ OPT_CMDMODE('t', NULL, &opt, N_("show object type"), 't'),
+ OPT_CMDMODE('s', NULL, &opt, N_("show object size"), 's'),
+ OPT_CMDMODE('e', NULL, &opt,
N_("exit with zero when there's no error"), 'e'),
- OPT_SET_INT('p', NULL, &opt, N_("pretty-print object's content"), 'p'),
- OPT_SET_INT(0, "textconv", &opt,
+ OPT_CMDMODE('p', NULL, &opt, N_("pretty-print object's content"), 'p'),
+ OPT_CMDMODE(0, "textconv", &opt,
N_("for blob objects, run textconv on object's content"), 'c'),
+ OPT_BOOL(0, "allow-unknown-type", &unknown_type,
+ N_("allow -s and -t to work with broken/corrupt objects")),
+ OPT_BOOL(0, "buffer", &batch.buffer_output, N_("buffer --batch output")),
{ OPTION_CALLBACK, 0, "batch", &batch, "format",
N_("show info and content of objects fed from the standard input"),
PARSE_OPT_OPTARG, batch_option_callback },
{ OPTION_CALLBACK, 0, "batch-check", &batch, "format",
N_("show info about objects fed from the standard input"),
PARSE_OPT_OPTARG, batch_option_callback },
+ OPT_BOOL(0, "follow-symlinks", &batch.follow_symlinks,
+ N_("follow in-tree symlinks (used with --batch or --batch-check)")),
+ OPT_BOOL(0, "batch-all-objects", &batch.all_objects,
+ N_("show all objects with --batch or --batch-check")),
OPT_END()
};
git_config(git_cat_file_config, NULL);
- if (argc != 3 && argc != 2)
- usage_with_options(cat_file_usage, options);
-
argc = parse_options(argc, argv, prefix, options, cat_file_usage, 0);
if (opt) {
@@ -407,8 +508,14 @@ int cmd_cat_file(int argc, const char **argv, const char *prefix)
usage_with_options(cat_file_usage, options);
}
+ if ((batch.follow_symlinks || batch.all_objects) && !batch.enabled) {
+ usage_with_options(cat_file_usage, options);
+ }
+
if (batch.enabled)
return batch_objects(&batch);
- return cat_one_file(opt, exp_type, obj_name);
+ if (unknown_type && opt != 't' && opt != 's')
+ die("git cat-file --allow-unknown-type: use with -s or -t");
+ return cat_one_file(opt, exp_type, obj_name, unknown_type);
}
diff --git a/builtin/check-attr.c b/builtin/check-attr.c
index 5600ec3..21d2bed 100644
--- a/builtin/check-attr.c
+++ b/builtin/check-attr.c
@@ -8,8 +8,8 @@ static int all_attrs;
static int cached_attrs;
static int stdin_paths;
static const char * const check_attr_usage[] = {
-N_("git check-attr [-a | --all | attr...] [--] pathname..."),
-N_("git check-attr --stdin [-z] [-a | --all | attr...] < <list-of-paths>"),
+N_("git check-attr [-a | --all | <attr>...] [--] <pathname>..."),
+N_("git check-attr --stdin [-z] [-a | --all | <attr>...] < <list-of-paths>"),
NULL
};
diff --git a/builtin/check-ignore.c b/builtin/check-ignore.c
index 594463a..dc8d97c 100644
--- a/builtin/check-ignore.c
+++ b/builtin/check-ignore.c
@@ -7,8 +7,8 @@
static int quiet, verbose, stdin_paths, show_non_matching, no_index;
static const char * const check_ignore_usage[] = {
-"git check-ignore [options] pathname...",
-"git check-ignore [options] --stdin < <list-of-paths>",
+"git check-ignore [<options>] <pathname>...",
+"git check-ignore [<options>] --stdin < <list-of-paths>",
NULL
};
diff --git a/builtin/check-mailmap.c b/builtin/check-mailmap.c
index 8f4d809..eaaea54 100644
--- a/builtin/check-mailmap.c
+++ b/builtin/check-mailmap.c
@@ -5,7 +5,7 @@
static int use_stdin;
static const char * const check_mailmap_usage[] = {
-N_("git check-mailmap [options] <contact>..."),
+N_("git check-mailmap [<options>] <contact>..."),
NULL
};
diff --git a/builtin/check-ref-format.c b/builtin/check-ref-format.c
index 28a7320..fd915d5 100644
--- a/builtin/check-ref-format.c
+++ b/builtin/check-ref-format.c
@@ -8,7 +8,7 @@
#include "strbuf.h"
static const char builtin_check_ref_format_usage[] =
-"git check-ref-format [--normalize] [options] <refname>\n"
+"git check-ref-format [--normalize] [<options>] <refname>\n"
" or: git check-ref-format --branch <branchname-shorthand>";
/*
diff --git a/builtin/checkout-index.c b/builtin/checkout-index.c
index 61e75eb..8028c37 100644
--- a/builtin/checkout-index.c
+++ b/builtin/checkout-index.c
@@ -5,7 +5,7 @@
*
*/
#include "builtin.h"
-#include "cache.h"
+#include "lockfile.h"
#include "quote.h"
#include "cache-tree.h"
#include "parse-options.h"
@@ -18,7 +18,7 @@ static char topath[4][TEMPORARY_FILENAME_LENGTH + 1];
static struct checkout state;
-static void write_tempfile_record(const char *name, int prefix_length)
+static void write_tempfile_record(const char *name, const char *prefix)
{
int i;
@@ -35,14 +35,14 @@ static void write_tempfile_record(const char *name, int prefix_length)
fputs(topath[checkout_stage], stdout);
putchar('\t');
- write_name_quoted(name + prefix_length, stdout, line_termination);
+ write_name_quoted_relative(name, prefix, stdout, line_termination);
for (i = 0; i < 4; i++) {
topath[i][0] = 0;
}
}
-static int checkout_file(const char *name, int prefix_length)
+static int checkout_file(const char *name, const char *prefix)
{
int namelen = strlen(name);
int pos = cache_name_pos(name, namelen);
@@ -71,7 +71,7 @@ static int checkout_file(const char *name, int prefix_length)
if (did_checkout) {
if (to_tempfile)
- write_tempfile_record(name, prefix_length);
+ write_tempfile_record(name, prefix);
return errs > 0 ? -1 : 0;
}
@@ -106,7 +106,7 @@ static void checkout_all(const char *prefix, int prefix_length)
if (last_ce && to_tempfile) {
if (ce_namelen(last_ce) != ce_namelen(ce)
|| memcmp(last_ce->name, ce->name, ce_namelen(ce)))
- write_tempfile_record(last_ce->name, prefix_length);
+ write_tempfile_record(last_ce->name, prefix);
}
if (checkout_entry(ce, &state,
to_tempfile ? topath[ce_stage(ce)] : NULL) < 0)
@@ -114,7 +114,7 @@ static void checkout_all(const char *prefix, int prefix_length)
last_ce = ce;
}
if (last_ce && to_tempfile)
- write_tempfile_record(last_ce->name, prefix_length);
+ write_tempfile_record(last_ce->name, prefix);
if (errs)
/* we have already done our error reporting.
* exit with the same code as die().
@@ -123,7 +123,7 @@ static void checkout_all(const char *prefix, int prefix_length)
}
static const char * const builtin_checkout_index_usage[] = {
- N_("git checkout-index [options] [--] [<file>...]"),
+ N_("git checkout-index [<options>] [--] [<file>...]"),
NULL
};
@@ -135,6 +135,7 @@ static int option_parse_u(const struct option *opt,
int *newfd = opt->value;
state.refresh_cache = 1;
+ state.istate = &the_index;
if (*newfd < 0)
*newfd = hold_locked_index(&lock_file, 1);
return 0;
@@ -240,16 +241,15 @@ int cmd_checkout_index(int argc, const char **argv, const char *prefix)
/* Check out named files first */
for (i = 0; i < argc; i++) {
const char *arg = argv[i];
- const char *p;
+ char *p;
if (all)
die("git checkout-index: don't mix '--all' and explicit filenames");
if (read_from_stdin)
die("git checkout-index: don't mix '--stdin' and explicit filenames");
p = prefix_path(prefix, prefix_length, arg);
- checkout_file(p, prefix_length);
- if (p < arg || p > arg + strlen(arg))
- free((char *)p);
+ checkout_file(p, prefix);
+ free(p);
}
if (read_from_stdin) {
@@ -259,7 +259,7 @@ int cmd_checkout_index(int argc, const char **argv, const char *prefix)
die("git checkout-index: don't mix '--all' and '--stdin'");
while (strbuf_getline(&buf, stdin, line_termination) != EOF) {
- const char *p;
+ char *p;
if (line_termination && buf.buf[0] == '"') {
strbuf_reset(&nbuf);
if (unquote_c_style(&nbuf, buf.buf, NULL))
@@ -267,9 +267,8 @@ int cmd_checkout_index(int argc, const char **argv, const char *prefix)
strbuf_swap(&buf, &nbuf);
}
p = prefix_path(prefix, prefix_length, buf.buf);
- checkout_file(p, prefix_length);
- if (p < buf.buf || p > buf.buf + buf.len)
- free((char *)p);
+ checkout_file(p, prefix);
+ free(p);
}
strbuf_release(&nbuf);
strbuf_release(&buf);
@@ -279,8 +278,7 @@ int cmd_checkout_index(int argc, const char **argv, const char *prefix)
checkout_all(prefix, prefix_length);
if (0 <= newfd &&
- (write_cache(newfd, active_cache, active_nr) ||
- commit_locked_index(&lock_file)))
+ write_locked_index(&the_index, &lock_file, COMMIT_LOCK))
die("Unable to write new index file");
return 0;
}
diff --git a/builtin/checkout.c b/builtin/checkout.c
index 07cf555..bc703c0 100644
--- a/builtin/checkout.c
+++ b/builtin/checkout.c
@@ -1,5 +1,5 @@
-#include "cache.h"
#include "builtin.h"
+#include "lockfile.h"
#include "parse-options.h"
#include "refs.h"
#include "commit.h"
@@ -18,12 +18,12 @@
#include "xdiff-interface.h"
#include "ll-merge.h"
#include "resolve-undo.h"
+#include "submodule-config.h"
#include "submodule.h"
-#include "argv-array.h"
static const char * const checkout_usage[] = {
- N_("git checkout [options] <branch>"),
- N_("git checkout [options] [<branch>] -- <file>..."),
+ N_("git checkout [<options>] <branch>"),
+ N_("git checkout [<options>] [<branch>] -- <file>..."),
NULL,
};
@@ -36,6 +36,7 @@ struct checkout_opts {
int writeout_stage;
int overwrite_ignore;
int ignore_skipworktree;
+ int ignore_other_worktrees;
const char *new_branch;
const char *new_branch_force;
@@ -62,23 +63,41 @@ static int post_checkout_hook(struct commit *old, struct commit *new,
}
-static int update_some(const unsigned char *sha1, const char *base, int baselen,
+static int update_some(const unsigned char *sha1, struct strbuf *base,
const char *pathname, unsigned mode, int stage, void *context)
{
int len;
struct cache_entry *ce;
+ int pos;
if (S_ISDIR(mode))
return READ_TREE_RECURSIVE;
- len = baselen + strlen(pathname);
+ len = base->len + strlen(pathname);
ce = xcalloc(1, cache_entry_size(len));
hashcpy(ce->sha1, sha1);
- memcpy(ce->name, base, baselen);
- memcpy(ce->name + baselen, pathname, len - baselen);
+ memcpy(ce->name, base->buf, base->len);
+ memcpy(ce->name + base->len, pathname, len - base->len);
ce->ce_flags = create_ce_flags(0) | CE_UPDATE;
ce->ce_namelen = len;
ce->ce_mode = create_ce_mode(mode);
+
+ /*
+ * If the entry is the same as the current index, we can leave the old
+ * entry in place. Whether it is UPTODATE or not, checkout_entry will
+ * do the right thing.
+ */
+ pos = cache_name_pos(ce->name, ce->ce_namelen);
+ if (pos >= 0) {
+ struct cache_entry *old = active_cache[pos];
+ if (ce->ce_mode == old->ce_mode &&
+ !hashcmp(ce->sha1, old->sha1)) {
+ old->ce_flags |= CE_UPDATE;
+ free(ce);
+ return 0;
+ }
+ }
+
add_cache_entry(ce, ADD_CACHE_OK_TO_ADD | ADD_CACHE_OK_TO_REPLACE);
return 0;
}
@@ -225,7 +244,6 @@ static int checkout_paths(const struct checkout_opts *opts,
int flag;
struct commit *head;
int errs = 0;
- int newfd;
struct lock_file *lock_file;
if (opts->track != BRANCH_TRACK_UNSPECIFIED)
@@ -256,14 +274,14 @@ static int checkout_paths(const struct checkout_opts *opts,
lock_file = xcalloc(1, sizeof(struct lock_file));
- newfd = hold_locked_index(lock_file, 1);
+ hold_locked_index(lock_file, 1);
if (read_cache_preload(&opts->pathspec) < 0)
return error(_("corrupt index file"));
if (opts->source_tree)
read_tree_some(opts->source_tree, &opts->pathspec);
- ps_matched = xcalloc(1, opts->pathspec.nr);
+ ps_matched = xcalloc(opts->pathspec.nr, 1);
/*
* Make sure all pathspecs participated in locating the paths
@@ -337,6 +355,7 @@ static int checkout_paths(const struct checkout_opts *opts,
memset(&state, 0, sizeof(state));
state.force = 1;
state.refresh_cache = 1;
+ state.istate = &the_index;
for (pos = 0; pos < active_nr; pos++) {
struct cache_entry *ce = active_cache[pos];
if (ce->ce_flags & CE_MATCHED) {
@@ -352,11 +371,10 @@ static int checkout_paths(const struct checkout_opts *opts,
}
}
- if (write_cache(newfd, active_cache, active_nr) ||
- commit_locked_index(lock_file))
+ if (write_locked_index(&the_index, lock_file, COMMIT_LOCK))
die(_("unable to write new index file"));
- read_ref_full("HEAD", rev, 0, &flag);
+ read_ref_full("HEAD", 0, rev, &flag);
head = lookup_commit_reference_gently(rev, 1);
errs |= post_checkout_hook(head, head, 0);
@@ -424,6 +442,11 @@ struct branch_info {
const char *name; /* The short name used */
const char *path; /* The full name of a real branch */
struct commit *commit; /* The named commit */
+ /*
+ * if not null the branch is detached because it's already
+ * checked out in this checkout
+ */
+ char *checkout;
};
static void setup_branch_path(struct branch_info *branch)
@@ -444,8 +467,8 @@ static int merge_working_tree(const struct checkout_opts *opts,
{
int ret;
struct lock_file *lock_file = xcalloc(1, sizeof(struct lock_file));
- int newfd = hold_locked_index(lock_file, 1);
+ hold_locked_index(lock_file, 1);
if (read_cache_preload(NULL) < 0)
return error(_("corrupt index file"));
@@ -553,8 +576,13 @@ static int merge_working_tree(const struct checkout_opts *opts,
}
}
- if (write_cache(newfd, active_cache, active_nr) ||
- commit_locked_index(lock_file))
+ if (!active_cache_tree)
+ active_cache_tree = cache_tree();
+
+ if (!cache_tree_fully_valid(active_cache_tree))
+ cache_tree_update(&the_index, WRITE_TREE_SILENT | WRITE_TREE_REPAIR);
+
+ if (write_locked_index(&the_index, lock_file, COMMIT_LOCK))
die(_("unable to write new index file"));
if (!opts->force && !opts->quiet)
@@ -583,19 +611,20 @@ static void update_refs_for_switch(const struct checkout_opts *opts,
if (opts->new_branch) {
if (opts->new_orphan_branch) {
if (opts->new_branch_log && !log_all_ref_updates) {
- int temp;
- char log_file[PATH_MAX];
- char *ref_name = mkpath("refs/heads/%s", opts->new_orphan_branch);
-
- temp = log_all_ref_updates;
- log_all_ref_updates = 1;
- if (log_ref_setup(ref_name, log_file, sizeof(log_file))) {
- fprintf(stderr, _("Can not do reflog for '%s'\n"),
- opts->new_orphan_branch);
- log_all_ref_updates = temp;
+ int ret;
+ char *refname;
+ struct strbuf err = STRBUF_INIT;
+
+ refname = mkpathdup("refs/heads/%s", opts->new_orphan_branch);
+ ret = safe_create_reflog(refname, 1, &err);
+ free(refname);
+ if (ret) {
+ fprintf(stderr, _("Can not do reflog for '%s': %s\n"),
+ opts->new_orphan_branch, err.buf);
+ strbuf_release(&err);
return;
}
- log_all_ref_updates = temp;
+ strbuf_release(&err);
}
}
else
@@ -624,7 +653,7 @@ static void update_refs_for_switch(const struct checkout_opts *opts,
/* Nothing to do. */
} else if (opts->force_detach || !new->path) { /* No longer on any branch. */
update_ref(msg.buf, "HEAD", new->commit->object.sha1, NULL,
- REF_NODEREF, DIE_ON_ERR);
+ REF_NODEREF, UPDATE_REFS_DIE_ON_ERR);
if (!opts->quiet) {
if (old->path && advice_detached_head)
detach_advice(new->name);
@@ -651,12 +680,8 @@ static void update_refs_for_switch(const struct checkout_opts *opts,
}
}
if (old->path && old->name) {
- char log_file[PATH_MAX], ref_file[PATH_MAX];
-
- git_snpath(log_file, sizeof(log_file), "logs/%s", old->path);
- git_snpath(ref_file, sizeof(ref_file), "%s", old->path);
- if (!file_exists(ref_file) && file_exists(log_file))
- remove_path(log_file);
+ if (!ref_exists(old->path) && reflog_exists(old->path))
+ delete_reflog(old->path);
}
}
remove_branch_state();
@@ -667,10 +692,10 @@ static void update_refs_for_switch(const struct checkout_opts *opts,
}
static int add_pending_uninteresting_ref(const char *refname,
- const unsigned char *sha1,
+ const struct object_id *oid,
int flags, void *cb_data)
{
- add_pending_sha1(cb_data, refname, sha1, UNINTERESTING);
+ add_pending_sha1(cb_data, refname, oid->hash, UNINTERESTING);
return 0;
}
@@ -725,10 +750,17 @@ static void suggest_reattach(struct commit *commit, struct rev_info *revs)
if (advice_detached_head)
fprintf(stderr,
- _(
+ Q_(
+ /* The singular version */
+ "If you want to keep it by creating a new branch, "
+ "this may be a good time\nto do so with:\n\n"
+ " git branch <new-branch-name> %s\n\n",
+ /* The plural version */
"If you want to keep them by creating a new branch, "
"this may be a good time\nto do so with:\n\n"
- " git branch new_branch_name %s\n\n"),
+ " git branch <new-branch-name> %s\n\n",
+ /* Give ngettext() the count */
+ lost),
find_unique_abbrev(commit->object.sha1, DEFAULT_ABBREV));
}
@@ -775,13 +807,13 @@ static int switch_branches(const struct checkout_opts *opts,
unsigned char rev[20];
int flag, writeout_error = 0;
memset(&old, 0, sizeof(old));
- old.path = path_to_free = resolve_refdup("HEAD", rev, 0, &flag);
+ old.path = path_to_free = resolve_refdup("HEAD", 0, rev, &flag);
old.commit = lookup_commit_reference_gently(rev, 1);
if (!(flag & REF_ISSYMREF))
old.path = NULL;
- if (old.path && starts_with(old.path, "refs/heads/"))
- old.name = old.path + strlen("refs/heads/");
+ if (old.path)
+ skip_prefix(old.path, "refs/heads/", &old.name);
if (!new->name) {
new->name = "HEAD";
@@ -865,10 +897,11 @@ static const char *unique_tracking_name(const char *name, unsigned char *sha1)
static int parse_branchname_arg(int argc, const char **argv,
int dwim_new_local_branch_ok,
struct branch_info *new,
- struct tree **source_tree,
- unsigned char rev[20],
- const char **new_branch)
+ struct checkout_opts *opts,
+ unsigned char rev[20])
{
+ struct tree **source_tree = &opts->source_tree;
+ const char **new_branch = &opts->new_branch;
int argcount = 0;
unsigned char branch_rev[20];
const char *arg;
@@ -1068,11 +1101,22 @@ static int checkout_branch(struct checkout_opts *opts,
die(_("Cannot switch branch to a non-commit '%s'"),
new->name);
+ if (new->path && !opts->force_detach && !opts->new_branch &&
+ !opts->ignore_other_worktrees) {
+ unsigned char sha1[20];
+ int flag;
+ char *head_ref = resolve_refdup("HEAD", 0, sha1, &flag);
+ if (head_ref &&
+ (!(flag & REF_ISSYMREF) || strcmp(head_ref, new->path)))
+ die_if_checked_out(new->path);
+ free(head_ref);
+ }
+
if (!new->commit && opts->new_branch) {
unsigned char rev[20];
int flag;
- if (!read_ref_full("HEAD", rev, 0, &flag) &&
+ if (!read_ref_full("HEAD", 0, rev, &flag) &&
(flag & REF_ISSYMREF) && is_null_sha1(rev))
return switch_unborn_to_new_branch(opts);
}
@@ -1109,7 +1153,9 @@ int cmd_checkout(int argc, const char **argv, const char *prefix)
OPT_BOOL(0, "ignore-skip-worktree-bits", &opts.ignore_skipworktree,
N_("do not limit pathspecs to sparse entries only")),
OPT_HIDDEN_BOOL(0, "guess", &dwim_new_local_branch,
- N_("second guess 'git checkout no-such-branch'")),
+ N_("second guess 'git checkout <no-such-branch>'")),
+ OPT_BOOL(0, "ignore-other-worktrees", &opts.ignore_other_worktrees,
+ N_("do not check if another worktree is holding the given ref")),
OPT_END(),
};
@@ -1150,10 +1196,8 @@ int cmd_checkout(int argc, const char **argv, const char *prefix)
const char *argv0 = argv[0];
if (!argc || !strcmp(argv0, "--"))
die (_("--track needs a branch name"));
- if (starts_with(argv0, "refs/"))
- argv0 += 5;
- if (starts_with(argv0, "remotes/"))
- argv0 += 8;
+ skip_prefix(argv0, "refs/", &argv0);
+ skip_prefix(argv0, "remotes/", &argv0);
argv0 = strchr(argv0, '/');
if (!argv0 || !argv0[1])
die (_("Missing branch name; try -b"));
@@ -1181,8 +1225,7 @@ int cmd_checkout(int argc, const char **argv, const char *prefix)
opts.track == BRANCH_TRACK_UNSPECIFIED &&
!opts.new_branch;
int n = parse_branchname_arg(argc, argv, dwim_ok,
- &new, &opts.source_tree,
- rev, &opts.new_branch);
+ &new, &opts, rev);
argv += n;
argc -= n;
}
diff --git a/builtin/clean.c b/builtin/clean.c
index 1032563..df53def 100644
--- a/builtin/clean.c
+++ b/builtin/clean.c
@@ -10,7 +10,6 @@
#include "cache.h"
#include "dir.h"
#include "parse-options.h"
-#include "refs.h"
#include "string-list.h"
#include "quote.h"
#include "column.h"
@@ -67,7 +66,7 @@ struct menu_item {
char hotkey;
const char *title;
int selected;
- int (*fn)();
+ int (*fn)(void);
};
enum menu_stuff_type {
@@ -100,6 +99,8 @@ static int parse_clean_color_slot(const char *var)
static int git_clean_config(const char *var, const char *value, void *cb)
{
+ const char *slot_name;
+
if (starts_with(var, "column."))
return git_column_config(var, value, "clean", &colopts);
@@ -109,15 +110,13 @@ static int git_clean_config(const char *var, const char *value, void *cb)
clean_use_color = git_config_colorbool(var, value);
return 0;
}
- if (starts_with(var, "color.interactive.")) {
- int slot = parse_clean_color_slot(var +
- strlen("color.interactive."));
+ if (skip_prefix(var, "color.interactive.", &slot_name)) {
+ int slot = parse_clean_color_slot(slot_name);
if (slot < 0)
return 0;
if (!value)
return config_error_nonbool(var);
- color_parse(value, var, clean_colors[slot]);
- return 0;
+ return color_parse(value, clean_colors[slot]);
}
if (!strcmp(var, "clean.requireforce")) {
@@ -148,6 +147,31 @@ static int exclude_cb(const struct option *opt, const char *arg, int unset)
return 0;
}
+/*
+ * Return 1 if the given path is the root of a git repository or
+ * submodule else 0. Will not return 1 for bare repositories with the
+ * exception of creating a bare repository in "foo/.git" and calling
+ * is_git_repository("foo").
+ */
+static int is_git_repository(struct strbuf *path)
+{
+ int ret = 0;
+ int gitfile_error;
+ size_t orig_path_len = path->len;
+ assert(orig_path_len != 0);
+ if (path->buf[orig_path_len - 1] != '/')
+ strbuf_addch(path, '/');
+ strbuf_addstr(path, ".git");
+ if (read_gitfile_gently(path->buf, &gitfile_error) || is_git_directory(path->buf))
+ ret = 1;
+ if (gitfile_error == READ_GITFILE_ERR_OPEN_FAILED ||
+ gitfile_error == READ_GITFILE_ERR_READ_FAILED)
+ ret = 1; /* This could be a real .git file, take the
+ * safe option and avoid cleaning */
+ strbuf_setlen(path, orig_path_len);
+ return ret;
+}
+
static int remove_dirs(struct strbuf *path, const char *prefix, int force_flag,
int dry_run, int quiet, int *dir_gone)
{
@@ -155,13 +179,11 @@ static int remove_dirs(struct strbuf *path, const char *prefix, int force_flag,
struct strbuf quoted = STRBUF_INIT;
struct dirent *e;
int res = 0, ret = 0, gone = 1, original_len = path->len, len;
- unsigned char submodule_head[20];
struct string_list dels = STRING_LIST_INIT_DUP;
*dir_gone = 1;
- if ((force_flag & REMOVE_DIR_KEEP_NESTED_GIT) &&
- !resolve_gitlink_ref(path->buf, "HEAD", submodule_head)) {
+ if ((force_flag & REMOVE_DIR_KEEP_NESTED_GIT) && is_git_repository(path)) {
if (!quiet) {
quote_path_relative(path->buf, prefix, &quoted);
printf(dry_run ? _(msg_would_skip_git_dir) : _(msg_skip_git_dir),
@@ -314,14 +336,13 @@ static void print_highlight_menu_stuff(struct menu_stuff *stuff, int **chosen)
{
struct string_list menu_list = STRING_LIST_INIT_DUP;
struct strbuf menu = STRBUF_INIT;
- struct strbuf buf = STRBUF_INIT;
struct menu_item *menu_item;
struct string_list_item *string_list_item;
int i;
switch (stuff->type) {
default:
- die("Bad type of menu_staff when print menu");
+ die("Bad type of menu_stuff when print menu");
case MENU_STUFF_TYPE_MENU_ITEM:
menu_item = (struct menu_item *)stuff->stuff;
for (i = 0; i < stuff->nr; i++, menu_item++) {
@@ -363,7 +384,6 @@ static void print_highlight_menu_stuff(struct menu_stuff *stuff, int **chosen)
pretty_print_menus(&menu_list);
strbuf_release(&menu);
- strbuf_release(&buf);
string_list_clear(&menu_list, 0);
}
@@ -754,7 +774,8 @@ static int ask_each_cmd(void)
/* Ctrl-D should stop removing files */
if (!eof) {
qname = quote_path_relative(item->string, NULL, &buf);
- printf(_("remove %s? "), qname);
+ /* TRANSLATORS: Make sure to keep [y/N] as is */
+ printf(_("Remove %s [y/N]? "), qname);
if (strbuf_getline(&confirm, stdin, '\n') != EOF) {
strbuf_trim(&confirm);
} else {
@@ -940,15 +961,15 @@ int cmd_clean(int argc, const char **argv, const char *prefix)
if (!cache_name_is_other(ent->name, ent->len))
continue;
- if (lstat(ent->name, &st))
- die_errno("Cannot lstat '%s'", ent->name);
-
if (pathspec.nr)
matches = dir_path_match(ent, &pathspec, 0, NULL);
if (pathspec.nr && !matches)
continue;
+ if (lstat(ent->name, &st))
+ die_errno("Cannot lstat '%s'", ent->name);
+
if (S_ISDIR(st.st_mode) && !remove_directories &&
matches != MATCHED_EXACTLY)
continue;
diff --git a/builtin/clone.c b/builtin/clone.c
index 545105a..578da85 100644
--- a/builtin/clone.c
+++ b/builtin/clone.c
@@ -9,6 +9,7 @@
*/
#include "builtin.h"
+#include "lockfile.h"
#include "parse-options.h"
#include "fetch-pack.h"
#include "refs.h"
@@ -33,7 +34,7 @@
*
*/
static const char * const builtin_clone_usage[] = {
- N_("git clone [options] [--] <repo> [<dir>]"),
+ N_("git clone [<options>] [--] <repo> [<dir>]"),
NULL
};
@@ -48,15 +49,7 @@ static int option_verbosity;
static int option_progress = -1;
static struct string_list option_config;
static struct string_list option_reference;
-
-static int opt_parse_reference(const struct option *opt, const char *arg, int unset)
-{
- struct string_list *option_reference = opt->value;
- if (!arg)
- return -1;
- string_list_append(option_reference, arg);
- return 0;
-}
+static int option_dissociate;
static struct option builtin_clone_options[] = {
OPT__VERBOSITY(&option_verbosity),
@@ -81,8 +74,10 @@ static struct option builtin_clone_options[] = {
N_("initialize submodules in the clone")),
OPT_STRING(0, "template", &option_template, N_("template-directory"),
N_("directory from which templates will be used")),
- OPT_CALLBACK(0 , "reference", &option_reference, N_("repo"),
- N_("reference repository"), &opt_parse_reference),
+ OPT_STRING_LIST(0, "reference", &option_reference, N_("repo"),
+ N_("reference repository")),
+ OPT_BOOL(0, "dissociate", &option_dissociate,
+ N_("use --reference only while cloning")),
OPT_STRING('o', "origin", &option_origin, N_("name"),
N_("use <name> instead of 'origin' to track upstream")),
OPT_STRING('b', "branch", &option_branch, N_("branch"),
@@ -104,94 +99,145 @@ static const char *argv_submodule[] = {
"submodule", "update", "--init", "--recursive", NULL
};
-static char *get_repo_path(const char *repo, int *is_bundle)
+static const char *get_repo_path_1(struct strbuf *path, int *is_bundle)
{
static char *suffix[] = { "/.git", "", ".git/.git", ".git" };
static char *bundle_suffix[] = { ".bundle", "" };
+ size_t baselen = path->len;
struct stat st;
int i;
for (i = 0; i < ARRAY_SIZE(suffix); i++) {
- const char *path;
- path = mkpath("%s%s", repo, suffix[i]);
- if (stat(path, &st))
+ strbuf_setlen(path, baselen);
+ strbuf_addstr(path, suffix[i]);
+ if (stat(path->buf, &st))
continue;
- if (S_ISDIR(st.st_mode) && is_git_directory(path)) {
+ if (S_ISDIR(st.st_mode) && is_git_directory(path->buf)) {
*is_bundle = 0;
- return xstrdup(absolute_path(path));
+ return path->buf;
} else if (S_ISREG(st.st_mode) && st.st_size > 8) {
/* Is it a "gitfile"? */
char signature[8];
- int len, fd = open(path, O_RDONLY);
+ const char *dst;
+ int len, fd = open(path->buf, O_RDONLY);
if (fd < 0)
continue;
len = read_in_full(fd, signature, 8);
close(fd);
if (len != 8 || strncmp(signature, "gitdir: ", 8))
continue;
- path = read_gitfile(path);
- if (path) {
+ dst = read_gitfile(path->buf);
+ if (dst) {
*is_bundle = 0;
- return xstrdup(absolute_path(path));
+ return dst;
}
}
}
for (i = 0; i < ARRAY_SIZE(bundle_suffix); i++) {
- const char *path;
- path = mkpath("%s%s", repo, bundle_suffix[i]);
- if (!stat(path, &st) && S_ISREG(st.st_mode)) {
+ strbuf_setlen(path, baselen);
+ strbuf_addstr(path, bundle_suffix[i]);
+ if (!stat(path->buf, &st) && S_ISREG(st.st_mode)) {
*is_bundle = 1;
- return xstrdup(absolute_path(path));
+ return path->buf;
}
}
return NULL;
}
+static char *get_repo_path(const char *repo, int *is_bundle)
+{
+ struct strbuf path = STRBUF_INIT;
+ const char *raw;
+ char *canon;
+
+ strbuf_addstr(&path, repo);
+ raw = get_repo_path_1(&path, is_bundle);
+ canon = raw ? xstrdup(absolute_path(raw)) : NULL;
+ strbuf_release(&path);
+ return canon;
+}
+
static char *guess_dir_name(const char *repo, int is_bundle, int is_bare)
{
- const char *end = repo + strlen(repo), *start;
+ const char *end = repo + strlen(repo), *start, *ptr;
+ size_t len;
char *dir;
/*
+ * Skip scheme.
+ */
+ start = strstr(repo, "://");
+ if (start == NULL)
+ start = repo;
+ else
+ start += 3;
+
+ /*
+ * Skip authentication data. The stripping does happen
+ * greedily, such that we strip up to the last '@' inside
+ * the host part.
+ */
+ for (ptr = start; ptr < end && !is_dir_sep(*ptr); ptr++) {
+ if (*ptr == '@')
+ start = ptr + 1;
+ }
+
+ /*
* Strip trailing spaces, slashes and /.git
*/
- while (repo < end && (is_dir_sep(end[-1]) || isspace(end[-1])))
+ while (start < end && (is_dir_sep(end[-1]) || isspace(end[-1])))
end--;
- if (end - repo > 5 && is_dir_sep(end[-5]) &&
+ if (end - start > 5 && is_dir_sep(end[-5]) &&
!strncmp(end - 4, ".git", 4)) {
end -= 5;
- while (repo < end && is_dir_sep(end[-1]))
+ while (start < end && is_dir_sep(end[-1]))
end--;
}
/*
- * Find last component, but be prepared that repo could have
- * the form "remote.example.com:foo.git", i.e. no slash
- * in the directory part.
+ * Strip trailing port number if we've got only a
+ * hostname (that is, there is no dir separator but a
+ * colon). This check is required such that we do not
+ * strip URI's like '/foo/bar:2222.git', which should
+ * result in a dir '2222' being guessed due to backwards
+ * compatibility.
+ */
+ if (memchr(start, '/', end - start) == NULL
+ && memchr(start, ':', end - start) != NULL) {
+ ptr = end;
+ while (start < ptr && isdigit(ptr[-1]) && ptr[-1] != ':')
+ ptr--;
+ if (start < ptr && ptr[-1] == ':')
+ end = ptr - 1;
+ }
+
+ /*
+ * Find last component. To remain backwards compatible we
+ * also regard colons as path separators, such that
+ * cloning a repository 'foo:bar.git' would result in a
+ * directory 'bar' being guessed.
*/
- start = end;
- while (repo < start && !is_dir_sep(start[-1]) && start[-1] != ':')
- start--;
+ ptr = end;
+ while (start < ptr && !is_dir_sep(ptr[-1]) && ptr[-1] != ':')
+ ptr--;
+ start = ptr;
/*
* Strip .{bundle,git}.
*/
- if (is_bundle) {
- if (end - start > 7 && !strncmp(end - 7, ".bundle", 7))
- end -= 7;
- } else {
- if (end - start > 4 && !strncmp(end - 4, ".git", 4))
- end -= 4;
- }
+ len = end - start;
+ strip_suffix_mem(start, &len, is_bundle ? ".bundle" : ".git");
- if (is_bare) {
- struct strbuf result = STRBUF_INIT;
- strbuf_addf(&result, "%.*s.git", (int)(end - start), start);
- dir = strbuf_detach(&result, NULL);
- } else
- dir = xstrndup(start, end - start);
+ if (!len || (len == 1 && *start == '/'))
+ die("No directory name could be guessed.\n"
+ "Please specify a directory on the command line");
+
+ if (is_bare)
+ dir = xstrfmt("%.*s.git", (int)len, start);
+ else
+ dir = xstrndup(start, len);
/*
* Replace sequences of 'control' characters and whitespace
* with one ascii space, remove leading and trailing spaces.
@@ -289,16 +335,17 @@ static void copy_alternates(struct strbuf *src, struct strbuf *dst,
struct strbuf line = STRBUF_INIT;
while (strbuf_getline(&line, in, '\n') != EOF) {
- char *abs_path, abs_buf[PATH_MAX];
+ char *abs_path;
if (!line.len || line.buf[0] == '#')
continue;
if (is_absolute_path(line.buf)) {
add_to_alternates_file(line.buf);
continue;
}
- abs_path = mkpath("%s/objects/%s", src_repo, line.buf);
- normalize_path_copy(abs_buf, abs_path);
- add_to_alternates_file(abs_buf);
+ abs_path = mkpathdup("%s/objects/%s", src_repo, line.buf);
+ normalize_path_copy(abs_path, abs_path);
+ add_to_alternates_file(abs_path);
+ free(abs_path);
}
strbuf_release(&line);
fclose(in);
@@ -390,7 +437,6 @@ static void clone_local(const char *src_repo, const char *dest_repo)
static const char *junk_work_tree;
static const char *junk_git_dir;
-static pid_t junk_pid;
static enum {
JUNK_LEAVE_NONE,
JUNK_LEAVE_REPO,
@@ -417,8 +463,6 @@ static void remove_junk(void)
break;
}
- if (getpid() != junk_pid)
- return;
if (junk_git_dir) {
strbuf_addstr(&sb, junk_git_dir);
remove_dir_recursively(&sb, 0);
@@ -498,16 +542,26 @@ static void write_remote_refs(const struct ref *local_refs)
{
const struct ref *r;
- lock_packed_refs(LOCK_DIE_ON_ERROR);
+ struct ref_transaction *t;
+ struct strbuf err = STRBUF_INIT;
+
+ t = ref_transaction_begin(&err);
+ if (!t)
+ die("%s", err.buf);
for (r = local_refs; r; r = r->next) {
if (!r->peer_ref)
continue;
- add_packed_ref(r->peer_ref->name, r->old_sha1);
+ if (ref_transaction_create(t, r->peer_ref->name, r->old_sha1,
+ 0, NULL, &err))
+ die("%s", err.buf);
}
- if (commit_packed_refs())
- die_errno("unable to overwrite old ref-pack file");
+ if (initial_ref_transaction_commit(t, &err))
+ die("%s", err.buf);
+
+ strbuf_release(&err);
+ ref_transaction_free(t);
}
static void write_followtags(const struct ref *refs, const char *msg)
@@ -521,7 +575,7 @@ static void write_followtags(const struct ref *refs, const char *msg)
if (!has_sha1_file(ref->old_sha1))
continue;
update_ref(msg, ref->name, ref->old_sha1,
- NULL, 0, DIE_ON_ERR);
+ NULL, 0, UPDATE_REFS_DIE_ON_ERR);
}
}
@@ -584,19 +638,20 @@ static void update_remote_refs(const struct ref *refs,
static void update_head(const struct ref *our, const struct ref *remote,
const char *msg)
{
- if (our && starts_with(our->name, "refs/heads/")) {
+ const char *head;
+ if (our && skip_prefix(our->name, "refs/heads/", &head)) {
/* Local default branch link */
create_symref("HEAD", our->name, NULL);
if (!option_bare) {
- const char *head = skip_prefix(our->name, "refs/heads/");
- update_ref(msg, "HEAD", our->old_sha1, NULL, 0, DIE_ON_ERR);
+ update_ref(msg, "HEAD", our->old_sha1, NULL, 0,
+ UPDATE_REFS_DIE_ON_ERR);
install_branch_config(0, head, option_origin, our->name);
}
} else if (our) {
struct commit *c = lookup_commit_reference(our->old_sha1);
/* --branch specifies a non-branch (i.e. tags), detach HEAD */
update_ref(msg, "HEAD", c->object.sha1,
- NULL, REF_NODEREF, DIE_ON_ERR);
+ NULL, REF_NODEREF, UPDATE_REFS_DIE_ON_ERR);
} else if (remote) {
/*
* We know remote HEAD points to a non-branch, or
@@ -604,7 +659,7 @@ static void update_head(const struct ref *our, const struct ref *remote,
* Detach HEAD in all these cases.
*/
update_ref(msg, "HEAD", remote->old_sha1,
- NULL, REF_NODEREF, DIE_ON_ERR);
+ NULL, REF_NODEREF, UPDATE_REFS_DIE_ON_ERR);
}
}
@@ -616,12 +671,12 @@ static int checkout(void)
struct unpack_trees_options opts;
struct tree *tree;
struct tree_desc t;
- int err = 0, fd;
+ int err = 0;
if (option_no_checkout)
return 0;
- head = resolve_refdup("HEAD", sha1, 1, NULL);
+ head = resolve_refdup("HEAD", RESOLVE_REF_READING, sha1, NULL);
if (!head) {
warning(_("remote HEAD refers to nonexistent ref, "
"unable to checkout.\n"));
@@ -640,7 +695,7 @@ static int checkout(void)
setup_work_tree();
lock_file = xcalloc(1, sizeof(struct lock_file));
- fd = hold_locked_index(lock_file, 1);
+ hold_locked_index(lock_file, 1);
memset(&opts, 0, sizeof opts);
opts.update = 1;
@@ -656,8 +711,7 @@ static int checkout(void)
if (unpack_trees(1, &t, &opts) < 0)
die(_("unable to checkout working tree"));
- if (write_cache(fd, active_cache, active_nr) ||
- commit_locked_index(lock_file))
+ if (write_locked_index(&the_index, lock_file, COMMIT_LOCK))
die(_("unable to write new index file"));
err |= run_hook_le(NULL, "post-checkout", sha1_to_hex(null_sha1),
@@ -685,9 +739,10 @@ static void write_config(struct string_list *config)
}
}
-static void write_refspec_config(const char* src_ref_prefix,
- const struct ref* our_head_points_at,
- const struct ref* remote_head_points_at, struct strbuf* branch_top)
+static void write_refspec_config(const char *src_ref_prefix,
+ const struct ref *our_head_points_at,
+ const struct ref *remote_head_points_at,
+ struct strbuf *branch_top)
{
struct strbuf key = STRBUF_INIT;
struct strbuf value = STRBUF_INIT;
@@ -702,9 +757,12 @@ static void write_refspec_config(const char* src_ref_prefix,
strbuf_addf(&value, "+%s:%s%s", our_head_points_at->name,
branch_top->buf, option_branch);
} else if (remote_head_points_at) {
+ const char *head = remote_head_points_at->name;
+ if (!skip_prefix(head, "refs/heads/", &head))
+ die("BUG: remote HEAD points at non-head?");
+
strbuf_addf(&value, "+%s:%s%s", remote_head_points_at->name,
- branch_top->buf,
- skip_prefix(remote_head_points_at->name, "refs/heads/"));
+ branch_top->buf, head);
}
/*
* otherwise, the next "git fetch" will
@@ -733,6 +791,16 @@ static void write_refspec_config(const char* src_ref_prefix,
strbuf_release(&value);
}
+static void dissociate_from_references(void)
+{
+ static const char* argv[] = { "repack", "-a", "-d", NULL };
+
+ if (run_command_v_opt(argv, RUN_GIT_CMD|RUN_COMMAND_NO_STDIN))
+ die(_("cannot repack to clean up"));
+ if (unlink(git_path("objects/info/alternates")) && errno != ENOENT)
+ die_errno(_("cannot unlink temporary alternates file"));
+}
+
int cmd_clone(int argc, const char **argv, const char *prefix)
{
int is_bundle = 0, is_local;
@@ -755,8 +823,6 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
struct refspec *refspec;
const char *fetch_pattern;
- junk_pid = getpid();
-
packet_trace_identity("clone");
argc = parse_options(argc, argv, prefix, builtin_clone_options,
builtin_clone_usage, 0);
@@ -796,18 +862,6 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
die(_("repository '%s' does not exist"), repo_name);
else
repo = repo_name;
- is_local = option_local != 0 && path && !is_bundle;
- if (is_local) {
- if (option_depth)
- warning(_("--depth is ignored in local clones; use file:// instead."));
- if (!access(mkpath("%s/shallow", path), F_OK)) {
- if (option_local > 0)
- warning(_("source repository is shallow, ignoring --local"));
- is_local = 0;
- }
- }
- if (option_local > 0 && !is_local)
- warning(_("--local is ignored"));
/* no need to be strict, transport_set_option() will validate it again */
if (option_depth && atoi(option_depth) < 1)
@@ -841,20 +895,21 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
git_dir = mkpathdup("%s/.git", dir);
}
+ atexit(remove_junk);
+ sigchain_push_common(remove_junk_on_signal);
+
if (!option_bare) {
- junk_work_tree = work_tree;
if (safe_create_leading_directories_const(work_tree) < 0)
die_errno(_("could not create leading directories of '%s'"),
work_tree);
if (!dest_exists && mkdir(work_tree, 0777))
- die_errno(_("could not create work tree dir '%s'."),
+ die_errno(_("could not create work tree dir '%s'"),
work_tree);
+ junk_work_tree = work_tree;
set_git_work_tree(work_tree);
}
- junk_git_dir = git_dir;
- atexit(remove_junk);
- sigchain_push_common(remove_junk_on_signal);
+ junk_git_dir = git_dir;
if (safe_create_leading_directories_const(git_dir) < 0)
die(_("could not create leading directories of '%s'"), git_dir);
@@ -892,6 +947,10 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
if (option_reference.nr)
setup_reference();
+ else if (option_dissociate) {
+ warning(_("--dissociate given, but there is no --reference"));
+ option_dissociate = 0;
+ }
fetch_pattern = value.buf;
refspec = parse_fetch_refspec(1, &fetch_pattern);
@@ -900,6 +959,21 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
remote = remote_get(option_origin);
transport = transport_get(remote, remote->url[0]);
+ transport_set_verbosity(transport, option_verbosity, option_progress);
+
+ path = get_repo_path(remote->url[0], &is_bundle);
+ is_local = option_local != 0 && path && !is_bundle;
+ if (is_local) {
+ if (option_depth)
+ warning(_("--depth is ignored in local clones; use file:// instead."));
+ if (!access(mkpath("%s/shallow", path), F_OK)) {
+ if (option_local > 0)
+ warning(_("source repository is shallow, ignoring --local"));
+ is_local = 0;
+ }
+ }
+ if (option_local > 0 && !is_local)
+ warning(_("--local is ignored"));
transport->cloning = 1;
if (!transport->get_refs_list || (!is_local && !transport->fetch))
@@ -913,8 +987,6 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
if (option_single_branch)
transport_set_option(transport, TRANS_OPT_FOLLOWTAGS, "1");
- transport_set_verbosity(transport, option_verbosity, option_progress);
-
if (option_upload_pack)
transport_set_option(transport, TRANS_OPT_UPLOADPACK,
option_upload_pack);
@@ -992,6 +1064,9 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
transport_unlock_pack(transport);
transport_disconnect(transport);
+ if (option_dissociate)
+ dissociate_from_references();
+
junk_mode = JUNK_LEAVE_REPO;
err = checkout();
@@ -1000,5 +1075,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
strbuf_release(&key);
strbuf_release(&value);
junk_mode = JUNK_LEAVE_ALL;
+
+ free(refspec);
return err;
}
diff --git a/builtin/column.c b/builtin/column.c
index 7581852..449413c 100644
--- a/builtin/column.c
+++ b/builtin/column.c
@@ -6,7 +6,7 @@
#include "column.h"
static const char * const builtin_column_usage[] = {
- N_("git column [options]"),
+ N_("git column [<options>]"),
NULL
};
static unsigned int colopts;
diff --git a/builtin/commit-tree.c b/builtin/commit-tree.c
index 8a66c74..25aa2cd 100644
--- a/builtin/commit-tree.c
+++ b/builtin/commit-tree.c
@@ -66,10 +66,8 @@ int cmd_commit_tree(int argc, const char **argv, const char *prefix)
continue;
}
- if (!memcmp(arg, "-S", 2)) {
- sign_commit = arg + 2;
+ if (skip_prefix(arg, "-S", &sign_commit))
continue;
- }
if (!strcmp(arg, "--no-gpg-sign")) {
sign_commit = NULL;
diff --git a/builtin/commit.c b/builtin/commit.c
index 39cf897..63772d0 100644
--- a/builtin/commit.c
+++ b/builtin/commit.c
@@ -6,6 +6,7 @@
*/
#include "cache.h"
+#include "lockfile.h"
#include "cache-tree.h"
#include "color.h"
#include "dir.h"
@@ -33,16 +34,29 @@
#include "mailmap.h"
static const char * const builtin_commit_usage[] = {
- N_("git commit [options] [--] <pathspec>..."),
+ N_("git commit [<options>] [--] <pathspec>..."),
NULL
};
static const char * const builtin_status_usage[] = {
- N_("git status [options] [--] <pathspec>..."),
+ N_("git status [<options>] [--] <pathspec>..."),
NULL
};
-static const char implicit_ident_advice[] =
+static const char implicit_ident_advice_noconfig[] =
+N_("Your name and email address were configured automatically based\n"
+"on your username and hostname. Please check that they are accurate.\n"
+"You can suppress this message by setting them explicitly. Run the\n"
+"following command and follow the instructions in your editor to edit\n"
+"your configuration file:\n"
+"\n"
+" git config --global --edit\n"
+"\n"
+"After doing this, you may fix the identity used for this commit with:\n"
+"\n"
+" git commit --amend --reset-author\n");
+
+static const char implicit_ident_advice_config[] =
N_("Your name and email address were configured automatically based\n"
"on your username and hostname. Please check that they are accurate.\n"
"You can suppress this message by setting them explicitly:\n"
@@ -152,11 +166,11 @@ static int opt_parse_m(const struct option *opt, const char *arg, int unset)
static void determine_whence(struct wt_status *s)
{
- if (file_exists(git_path("MERGE_HEAD")))
+ if (file_exists(git_path_merge_head()))
whence = FROM_MERGE;
- else if (file_exists(git_path("CHERRY_PICK_HEAD"))) {
+ else if (file_exists(git_path_cherry_pick_head())) {
whence = FROM_CHERRY_PICK;
- if (file_exists(git_path("sequencer")))
+ if (file_exists(git_path(SEQ_DIR)))
sequencer_in_use = 1;
}
else
@@ -215,7 +229,7 @@ static int commit_index_files(void)
static int list_paths(struct string_list *list, const char *with_tree,
const char *prefix, const struct pathspec *pattern)
{
- int i;
+ int i, ret;
char *m;
if (!pattern->nr)
@@ -242,7 +256,9 @@ static int list_paths(struct string_list *list, const char *with_tree,
item->util = item; /* better a valid pointer than a fake one */
}
- return report_path_error(m, pattern, prefix);
+ ret = report_path_error(m, pattern, prefix);
+ free(m);
+ return ret;
}
static void add_remove_files(struct string_list *list)
@@ -302,13 +318,13 @@ static void refresh_cache_or_die(int refresh_flags)
die_resolve_conflict("commit");
}
-static char *prepare_index(int argc, const char **argv, const char *prefix,
- const struct commit *current_head, int is_status)
+static const char *prepare_index(int argc, const char **argv, const char *prefix,
+ const struct commit *current_head, int is_status)
{
- int fd;
struct string_list partial;
struct pathspec pathspec;
int refresh_flags = REFRESH_QUIET;
+ const char *ret;
if (is_status)
refresh_flags |= REFRESH_UNMERGED;
@@ -321,16 +337,15 @@ static char *prepare_index(int argc, const char **argv, const char *prefix,
if (interactive) {
char *old_index_env = NULL;
- fd = hold_locked_index(&index_lock, 1);
+ hold_locked_index(&index_lock, 1);
refresh_cache_or_die(refresh_flags);
- if (write_cache(fd, active_cache, active_nr) ||
- close_lock_file(&index_lock))
+ if (write_locked_index(&the_index, &index_lock, CLOSE_LOCK))
die(_("unable to create temporary index"));
old_index_env = getenv(INDEX_ENVIRONMENT);
- setenv(INDEX_ENVIRONMENT, index_lock.filename, 1);
+ setenv(INDEX_ENVIRONMENT, get_lock_file_path(&index_lock), 1);
if (interactive_add(argc, argv, prefix, patch_interactive) != 0)
die(_("interactive add failed"));
@@ -341,10 +356,17 @@ static char *prepare_index(int argc, const char **argv, const char *prefix,
unsetenv(INDEX_ENVIRONMENT);
discard_cache();
- read_cache_from(index_lock.filename);
+ read_cache_from(get_lock_file_path(&index_lock));
+ if (update_main_cache_tree(WRITE_TREE_SILENT) == 0) {
+ if (reopen_lock_file(&index_lock) < 0)
+ die(_("unable to write index file"));
+ if (write_locked_index(&the_index, &index_lock, CLOSE_LOCK))
+ die(_("unable to update temporary index"));
+ } else
+ warning(_("Failed to update main cache tree"));
commit_style = COMMIT_NORMAL;
- return index_lock.filename;
+ return get_lock_file_path(&index_lock);
}
/*
@@ -360,15 +382,14 @@ static char *prepare_index(int argc, const char **argv, const char *prefix,
* (B) on failure, rollback the real index.
*/
if (all || (also && pathspec.nr)) {
- fd = hold_locked_index(&index_lock, 1);
+ hold_locked_index(&index_lock, 1);
add_files_to_cache(also ? prefix : NULL, &pathspec, 0);
refresh_cache_or_die(refresh_flags);
update_main_cache_tree(WRITE_TREE_SILENT);
- if (write_cache(fd, active_cache, active_nr) ||
- close_lock_file(&index_lock))
+ if (write_locked_index(&the_index, &index_lock, CLOSE_LOCK))
die(_("unable to write new_index file"));
commit_style = COMMIT_NORMAL;
- return index_lock.filename;
+ return get_lock_file_path(&index_lock);
}
/*
@@ -381,12 +402,14 @@ static char *prepare_index(int argc, const char **argv, const char *prefix,
* We still need to refresh the index here.
*/
if (!only && !pathspec.nr) {
- fd = hold_locked_index(&index_lock, 1);
+ hold_locked_index(&index_lock, 1);
refresh_cache_or_die(refresh_flags);
- if (active_cache_changed) {
+ if (active_cache_changed
+ || !cache_tree_fully_valid(active_cache_tree))
update_main_cache_tree(WRITE_TREE_SILENT);
- if (write_cache(fd, active_cache, active_nr) ||
- commit_locked_index(&index_lock))
+ if (active_cache_changed) {
+ if (write_locked_index(&the_index, &index_lock,
+ COMMIT_LOCK))
die(_("unable to write new_index file"));
} else {
rollback_lock_file(&index_lock);
@@ -423,8 +446,7 @@ static char *prepare_index(int argc, const char **argv, const char *prefix,
die(_("cannot do a partial commit during a cherry-pick."));
}
- memset(&partial, 0, sizeof(partial));
- partial.strdup_strings = 1;
+ string_list_init(&partial, 1);
if (list_paths(&partial, !current_head ? NULL : "HEAD", prefix, &pathspec))
exit(1);
@@ -432,30 +454,29 @@ static char *prepare_index(int argc, const char **argv, const char *prefix,
if (read_cache() < 0)
die(_("cannot read the index"));
- fd = hold_locked_index(&index_lock, 1);
+ hold_locked_index(&index_lock, 1);
add_remove_files(&partial);
refresh_cache(REFRESH_QUIET);
- if (write_cache(fd, active_cache, active_nr) ||
- close_lock_file(&index_lock))
+ update_main_cache_tree(WRITE_TREE_SILENT);
+ if (write_locked_index(&the_index, &index_lock, CLOSE_LOCK))
die(_("unable to write new_index file"));
- fd = hold_lock_file_for_update(&false_lock,
- git_path("next-index-%"PRIuMAX,
- (uintmax_t) getpid()),
- LOCK_DIE_ON_ERROR);
+ hold_lock_file_for_update(&false_lock,
+ git_path("next-index-%"PRIuMAX,
+ (uintmax_t) getpid()),
+ LOCK_DIE_ON_ERROR);
create_base_index(current_head);
add_remove_files(&partial);
refresh_cache(REFRESH_QUIET);
- if (write_cache(fd, active_cache, active_nr) ||
- close_lock_file(&false_lock))
+ if (write_locked_index(&the_index, &false_lock, CLOSE_LOCK))
die(_("unable to write temporary index file"));
discard_cache();
- read_cache_from(false_lock.filename);
-
- return false_lock.filename;
+ ret = get_lock_file_path(&false_lock);
+ read_cache_from(ret);
+ return ret;
}
static int run_status(FILE *fp, const char *index_file, const char *prefix, int nowarn,
@@ -502,6 +523,12 @@ static int is_a_merge(const struct commit *current_head)
return !!(current_head->parents && current_head->parents->next);
}
+static void assert_split_ident(struct ident_split *id, const struct strbuf *buf)
+{
+ if (split_ident_line(id, buf->buf, buf->len) || !id->date_begin)
+ die("BUG: unable to parse our own ident: %s", buf->buf);
+}
+
static void export_one(const char *var, const char *s, const char *e, int hack)
{
struct strbuf buf = STRBUF_INIT;
@@ -512,18 +539,25 @@ static void export_one(const char *var, const char *s, const char *e, int hack)
strbuf_release(&buf);
}
-static int sane_ident_split(struct ident_split *person)
+static int parse_force_date(const char *in, struct strbuf *out)
{
- if (!person->name_begin || !person->name_end ||
- person->name_begin == person->name_end)
- return 0; /* no human readable name */
- if (!person->mail_begin || !person->mail_end ||
- person->mail_begin == person->mail_end)
- return 0; /* no usable mail */
- if (!person->date_begin || !person->date_end ||
- !person->tz_begin || !person->tz_end)
- return 0;
- return 1;
+ strbuf_addch(out, '@');
+
+ if (parse_date(in, out) < 0) {
+ int errors = 0;
+ unsigned long t = approxidate_careful(in, &errors);
+ if (errors)
+ return -1;
+ strbuf_addf(out, "%lu", t);
+ }
+
+ return 0;
+}
+
+static void set_ident_var(char **buf, char *val)
+{
+ free(*buf);
+ *buf = val;
}
static void determine_author_info(struct strbuf *author_ident)
@@ -531,67 +565,93 @@ static void determine_author_info(struct strbuf *author_ident)
char *name, *email, *date;
struct ident_split author;
- name = getenv("GIT_AUTHOR_NAME");
- email = getenv("GIT_AUTHOR_EMAIL");
- date = getenv("GIT_AUTHOR_DATE");
+ name = xstrdup_or_null(getenv("GIT_AUTHOR_NAME"));
+ email = xstrdup_or_null(getenv("GIT_AUTHOR_EMAIL"));
+ date = xstrdup_or_null(getenv("GIT_AUTHOR_DATE"));
if (author_message) {
- const char *a, *lb, *rb, *eol;
+ struct ident_split ident;
size_t len;
+ const char *a;
- a = strstr(author_message_buffer, "\nauthor ");
+ a = find_commit_header(author_message_buffer, "author", &len);
if (!a)
- die(_("invalid commit: %s"), author_message);
-
- lb = strchrnul(a + strlen("\nauthor "), '<');
- rb = strchrnul(lb, '>');
- eol = strchrnul(rb, '\n');
- if (!*lb || !*rb || !*eol)
- die(_("invalid commit: %s"), author_message);
-
- if (lb == a + strlen("\nauthor "))
- /* \nauthor <foo@example.com> */
- name = xcalloc(1, 1);
- else
- name = xmemdupz(a + strlen("\nauthor "),
- (lb - strlen(" ") -
- (a + strlen("\nauthor "))));
- email = xmemdupz(lb + strlen("<"), rb - (lb + strlen("<")));
- len = eol - (rb + strlen("> "));
- date = xmalloc(len + 2);
- *date = '@';
- memcpy(date + 1, rb + strlen("> "), len);
- date[len + 1] = '\0';
+ die(_("commit '%s' lacks author header"), author_message);
+ if (split_ident_line(&ident, a, len) < 0)
+ die(_("commit '%s' has malformed author line"), author_message);
+
+ set_ident_var(&name, xmemdupz(ident.name_begin, ident.name_end - ident.name_begin));
+ set_ident_var(&email, xmemdupz(ident.mail_begin, ident.mail_end - ident.mail_begin));
+
+ if (ident.date_begin) {
+ struct strbuf date_buf = STRBUF_INIT;
+ strbuf_addch(&date_buf, '@');
+ strbuf_add(&date_buf, ident.date_begin, ident.date_end - ident.date_begin);
+ strbuf_addch(&date_buf, ' ');
+ strbuf_add(&date_buf, ident.tz_begin, ident.tz_end - ident.tz_begin);
+ set_ident_var(&date, strbuf_detach(&date_buf, NULL));
+ }
}
if (force_author) {
- const char *lb = strstr(force_author, " <");
- const char *rb = strchr(force_author, '>');
+ struct ident_split ident;
- if (!lb || !rb)
+ if (split_ident_line(&ident, force_author, strlen(force_author)) < 0)
die(_("malformed --author parameter"));
- name = xstrndup(force_author, lb - force_author);
- email = xstrndup(lb + 2, rb - (lb + 2));
+ set_ident_var(&name, xmemdupz(ident.name_begin, ident.name_end - ident.name_begin));
+ set_ident_var(&email, xmemdupz(ident.mail_begin, ident.mail_end - ident.mail_begin));
}
- if (force_date)
- date = force_date;
- strbuf_addstr(author_ident, fmt_ident(name, email, date, IDENT_STRICT));
- if (!split_ident_line(&author, author_ident->buf, author_ident->len) &&
- sane_ident_split(&author)) {
- export_one("GIT_AUTHOR_NAME", author.name_begin, author.name_end, 0);
- export_one("GIT_AUTHOR_EMAIL", author.mail_begin, author.mail_end, 0);
- export_one("GIT_AUTHOR_DATE", author.date_begin, author.tz_end, '@');
+ if (force_date) {
+ struct strbuf date_buf = STRBUF_INIT;
+ if (parse_force_date(force_date, &date_buf))
+ die(_("invalid date format: %s"), force_date);
+ set_ident_var(&date, strbuf_detach(&date_buf, NULL));
}
+
+ strbuf_addstr(author_ident, fmt_ident(name, email, date, IDENT_STRICT));
+ assert_split_ident(&author, author_ident);
+ export_one("GIT_AUTHOR_NAME", author.name_begin, author.name_end, 0);
+ export_one("GIT_AUTHOR_EMAIL", author.mail_begin, author.mail_end, 0);
+ export_one("GIT_AUTHOR_DATE", author.date_begin, author.tz_end, '@');
+ free(name);
+ free(email);
+ free(date);
}
-static char *cut_ident_timestamp_part(char *string)
+static int author_date_is_interesting(void)
{
- char *ket = strrchr(string, '>');
- if (!ket || ket[1] != ' ')
- die(_("Malformed ident string: '%s'"), string);
- *++ket = '\0';
- return ket;
+ return author_message || force_date;
+}
+
+static void adjust_comment_line_char(const struct strbuf *sb)
+{
+ char candidates[] = "#;@!$%^&|:";
+ char *candidate;
+ const char *p;
+
+ comment_line_char = candidates[0];
+ if (!memchr(sb->buf, comment_line_char, sb->len))
+ return;
+
+ p = sb->buf;
+ candidate = strchr(candidates, *p);
+ if (candidate)
+ *candidate = ' ';
+ for (p = sb->buf; *p; p++) {
+ if ((p[0] == '\n' || p[0] == '\r') && p[1]) {
+ candidate = strchr(candidates, p[1]);
+ if (candidate)
+ *candidate = ' ';
+ }
+ }
+
+ for (p = candidates; *p == ' '; p++)
+ ;
+ if (!*p)
+ die(_("unable to select a comment character that is not used\n"
+ "in the current commit message"));
+ comment_line_char = *p;
}
static int prepare_to_commit(const char *index_file, const char *prefix,
@@ -651,7 +711,7 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
char *buffer;
buffer = strstr(use_message_buffer, "\n\n");
if (buffer)
- strbuf_add(&sb, buffer + 2, strlen(buffer + 2));
+ strbuf_addstr(&sb, buffer + 2);
hook_arg1 = "commit";
hook_arg2 = use_message;
} else if (fixup_message) {
@@ -664,12 +724,12 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
format_commit_message(commit, "fixup! %s\n\n",
&sb, &ctx);
hook_arg1 = "message";
- } else if (!stat(git_path("MERGE_MSG"), &statbuf)) {
- if (strbuf_read_file(&sb, git_path("MERGE_MSG"), 0) < 0)
+ } else if (!stat(git_path_merge_msg(), &statbuf)) {
+ if (strbuf_read_file(&sb, git_path_merge_msg(), 0) < 0)
die_errno(_("could not read MERGE_MSG"));
hook_arg1 = "merge";
- } else if (!stat(git_path("SQUASH_MSG"), &statbuf)) {
- if (strbuf_read_file(&sb, git_path("SQUASH_MSG"), 0) < 0)
+ } else if (!stat(git_path_squash_msg(), &statbuf)) {
+ if (strbuf_read_file(&sb, git_path_squash_msg(), 0) < 0)
die_errno(_("could not read SQUASH_MSG"));
hook_arg1 = "squash";
} else if (template_file) {
@@ -717,36 +777,14 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
if (clean_message_contents)
stripspace(&sb, 0);
- if (signoff) {
- /*
- * See if we have a Conflicts: block at the end. If yes, count
- * its size, so we can ignore it.
- */
- int ignore_footer = 0;
- int i, eol, previous = 0;
- const char *nl;
-
- for (i = 0; i < sb.len; i++) {
- nl = memchr(sb.buf + i, '\n', sb.len - i);
- if (nl)
- eol = nl - sb.buf;
- else
- eol = sb.len;
- if (starts_with(sb.buf + previous, "\nConflicts:\n")) {
- ignore_footer = sb.len - previous;
- break;
- }
- while (i < eol)
- i++;
- previous = eol;
- }
-
- append_signoff(&sb, ignore_footer, 0);
- }
+ if (signoff)
+ append_signoff(&sb, ignore_non_trailer(&sb), 0);
if (fwrite(sb.buf, 1, sb.len, s->fp) < sb.len)
die_errno(_("could not write commit template"));
+ if (auto_comment_line_char)
+ adjust_comment_line_char(&sb);
strbuf_release(&sb);
/* This checks if committer ident is explicitly given */
@@ -754,7 +792,8 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
if (use_editor && include_status) {
int ident_shown = 0;
int saved_color_setting;
- char *ai_tmp, *ci_tmp;
+ struct ident_split ci, ai;
+
if (whence != FROM_COMMIT) {
if (cleanup_mode == CLEANUP_SCISSORS)
wt_status_add_cut_line(s->fp);
@@ -794,32 +833,45 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
status_printf_ln(s, GIT_COLOR_NORMAL,
"%s", only_include_assumed);
- ai_tmp = cut_ident_timestamp_part(author_ident->buf);
- ci_tmp = cut_ident_timestamp_part(committer_ident.buf);
- if (strcmp(author_ident->buf, committer_ident.buf))
+ /*
+ * These should never fail because they come from our own
+ * fmt_ident. They may fail the sane_ident test, but we know
+ * that the name and mail pointers will at least be valid,
+ * which is enough for our tests and printing here.
+ */
+ assert_split_ident(&ai, author_ident);
+ assert_split_ident(&ci, &committer_ident);
+
+ if (ident_cmp(&ai, &ci))
+ status_printf_ln(s, GIT_COLOR_NORMAL,
+ _("%s"
+ "Author: %.*s <%.*s>"),
+ ident_shown++ ? "" : "\n",
+ (int)(ai.name_end - ai.name_begin), ai.name_begin,
+ (int)(ai.mail_end - ai.mail_begin), ai.mail_begin);
+
+ if (author_date_is_interesting())
status_printf_ln(s, GIT_COLOR_NORMAL,
_("%s"
- "Author: %s"),
+ "Date: %s"),
ident_shown++ ? "" : "\n",
- author_ident->buf);
+ show_ident_date(&ai, DATE_MODE(NORMAL)));
if (!committer_ident_sufficiently_given())
status_printf_ln(s, GIT_COLOR_NORMAL,
_("%s"
- "Committer: %s"),
+ "Committer: %.*s <%.*s>"),
ident_shown++ ? "" : "\n",
- committer_ident.buf);
+ (int)(ci.name_end - ci.name_begin), ci.name_begin,
+ (int)(ci.mail_end - ci.mail_begin), ci.mail_begin);
if (ident_shown)
- status_printf_ln(s, GIT_COLOR_NORMAL, "");
+ status_printf_ln(s, GIT_COLOR_NORMAL, "%s", "");
saved_color_setting = s->use_color;
s->use_color = 0;
commitable = run_status(s->fp, index_file, prefix, 1, s);
s->use_color = saved_color_setting;
-
- *ai_tmp = ' ';
- *ci_tmp = ' ';
} else {
unsigned char sha1[20];
const char *parent = "HEAD";
@@ -954,7 +1006,7 @@ static int message_is_empty(struct strbuf *sb)
static int template_untouched(struct strbuf *sb)
{
struct strbuf tmpl = STRBUF_INIT;
- char *start;
+ const char *start;
if (cleanup_mode == CLEANUP_NONE && sb->len)
return 0;
@@ -963,8 +1015,7 @@ static int template_untouched(struct strbuf *sb)
return 0;
stripspace(&tmpl, cleanup_mode == CLEANUP_ALL);
- start = (char *)skip_prefix(sb->buf, tmpl.buf);
- if (!start)
+ if (!skip_prefix(sb->buf, tmpl.buf, &start))
start = sb->buf;
strbuf_release(&tmpl);
return rest_is_empty(sb, start - sb->buf);
@@ -989,17 +1040,18 @@ static const char *find_author_by_nickname(const char *name)
revs.mailmap = &mailmap;
read_mailmap(revs.mailmap, NULL);
- prepare_revision_walk(&revs);
+ if (prepare_revision_walk(&revs))
+ die(_("revision walk setup failed"));
commit = get_revision(&revs);
if (commit) {
struct pretty_print_context ctx = {0};
- ctx.date_mode = DATE_NORMAL;
+ ctx.date_mode.type = DATE_NORMAL;
strbuf_release(&buf);
format_commit_message(commit, "%aN <%aE>", &buf, &ctx);
clear_mailmap(&mailmap);
return strbuf_detach(&buf, NULL);
}
- die(_("No existing author found with '%s'"), name);
+ die(_("--author '%s' is not 'Name <email>' and matches no existing author"), name);
}
@@ -1179,22 +1231,21 @@ static int dry_run_commit(int argc, const char **argv, const char *prefix,
return commitable ? 0 : 1;
}
-static int parse_status_slot(const char *var, int offset)
+static int parse_status_slot(const char *slot)
{
- if (!strcasecmp(var+offset, "header"))
+ if (!strcasecmp(slot, "header"))
return WT_STATUS_HEADER;
- if (!strcasecmp(var+offset, "branch"))
+ if (!strcasecmp(slot, "branch"))
return WT_STATUS_ONBRANCH;
- if (!strcasecmp(var+offset, "updated")
- || !strcasecmp(var+offset, "added"))
+ if (!strcasecmp(slot, "updated") || !strcasecmp(slot, "added"))
return WT_STATUS_UPDATED;
- if (!strcasecmp(var+offset, "changed"))
+ if (!strcasecmp(slot, "changed"))
return WT_STATUS_CHANGED;
- if (!strcasecmp(var+offset, "untracked"))
+ if (!strcasecmp(slot, "untracked"))
return WT_STATUS_UNTRACKED;
- if (!strcasecmp(var+offset, "nobranch"))
+ if (!strcasecmp(slot, "nobranch"))
return WT_STATUS_NOBRANCH;
- if (!strcasecmp(var+offset, "unmerged"))
+ if (!strcasecmp(slot, "unmerged"))
return WT_STATUS_UNMERGED;
return -1;
}
@@ -1202,6 +1253,7 @@ static int parse_status_slot(const char *var, int offset)
static int git_status_config(const char *k, const char *v, void *cb)
{
struct wt_status *s = cb;
+ const char *slot_name;
if (starts_with(k, "column."))
return git_column_config(k, v, "status", &s->colopts);
@@ -1231,14 +1283,14 @@ static int git_status_config(const char *k, const char *v, void *cb)
s->display_comment_prefix = git_config_bool(k, v);
return 0;
}
- if (starts_with(k, "status.color.") || starts_with(k, "color.status.")) {
- int slot = parse_status_slot(k, 13);
+ if (skip_prefix(k, "status.color.", &slot_name) ||
+ skip_prefix(k, "color.status.", &slot_name)) {
+ int slot = parse_status_slot(slot_name);
if (slot < 0)
return 0;
if (!v)
return config_error_nonbool(k);
- color_parse(v, k, s->color_palette[slot]);
- return 0;
+ return color_parse(v, s->color_palette[slot]);
}
if (!strcmp(k, "status.relativepaths")) {
s->relative_paths = git_config_bool(k, v);
@@ -1313,13 +1365,14 @@ int cmd_status(int argc, const char **argv, const char *prefix)
refresh_index(&the_index, REFRESH_QUIET|REFRESH_UNMERGED, &s.pathspec, NULL, NULL);
fd = hold_locked_index(&index_lock, 0);
- if (0 <= fd)
- update_index_if_able(&the_index, &index_lock);
s.is_initial = get_sha1(s.reference, sha1) ? 1 : 0;
s.ignore_submodule_arg = ignore_submodule_arg;
wt_status_collect(&s);
+ if (0 <= fd)
+ update_index_if_able(&the_index, &index_lock);
+
if (s.relative_paths)
s.prefix = prefix;
@@ -1343,6 +1396,22 @@ int cmd_status(int argc, const char **argv, const char *prefix)
return 0;
}
+static const char *implicit_ident_advice(void)
+{
+ char *user_config = expand_user_path("~/.gitconfig");
+ char *xdg_config = xdg_config_home("config");
+ int config_exists = file_exists(user_config) || file_exists(xdg_config);
+
+ free(user_config);
+ free(xdg_config);
+
+ if (config_exists)
+ return _(implicit_ident_advice_config);
+ else
+ return _(implicit_ident_advice_noconfig);
+
+}
+
static void print_summary(const char *prefix, const unsigned char *sha1,
int initial_commit)
{
@@ -1369,12 +1438,19 @@ static void print_summary(const char *prefix, const unsigned char *sha1,
strbuf_addstr(&format, "\n Author: ");
strbuf_addbuf_percentquote(&format, &author_ident);
}
+ if (author_date_is_interesting()) {
+ struct strbuf date = STRBUF_INIT;
+ format_commit_message(commit, "%ad", &date, &pctx);
+ strbuf_addstr(&format, "\n Date: ");
+ strbuf_addbuf_percentquote(&format, &date);
+ strbuf_release(&date);
+ }
if (!committer_ident_sufficiently_given()) {
strbuf_addstr(&format, "\n Committer: ");
strbuf_addbuf_percentquote(&format, &committer_ident);
if (advice_implicit_identity) {
strbuf_addch(&format, '\n');
- strbuf_addstr(&format, _(implicit_ident_advice));
+ strbuf_addstr(&format, implicit_ident_advice());
}
}
strbuf_release(&author_ident);
@@ -1395,14 +1471,12 @@ static void print_summary(const char *prefix, const unsigned char *sha1,
rev.diffopt.break_opt = 0;
diff_setup_done(&rev.diffopt);
- head = resolve_ref_unsafe("HEAD", junk_sha1, 0, NULL);
- printf("[%s%s ",
- starts_with(head, "refs/heads/") ?
- head + 11 :
- !strcmp(head, "HEAD") ?
- _("detached HEAD") :
- head,
- initial_commit ? _(" (root-commit)") : "");
+ head = resolve_ref_unsafe("HEAD", 0, junk_sha1, NULL);
+ if (!strcmp(head, "HEAD"))
+ head = _("detached HEAD");
+ else
+ skip_prefix(head, "refs/heads/", &head);
+ printf("[%s%s ", head, initial_commit ? _(" (root-commit)") : "");
if (!log_tree_commit(&rev, commit)) {
rev.always_show_header = 1;
@@ -1442,7 +1516,7 @@ static int run_rewrite_hook(const unsigned char *oldsha1,
{
/* oldsha1 SP newsha1 LF NUL */
static char buf[2*40 + 3];
- struct child_process proc;
+ struct child_process proc = CHILD_PROCESS_INIT;
const char *argv[3];
int code;
size_t n;
@@ -1454,7 +1528,6 @@ static int run_rewrite_hook(const unsigned char *oldsha1,
argv[1] = "amend";
argv[2] = NULL;
- memset(&proc, 0, sizeof(proc));
proc.argv = argv;
proc.in = -1;
proc.stdout_to_stderr = 1;
@@ -1554,11 +1627,12 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
const char *index_file, *reflog_msg;
char *nl;
unsigned char sha1[20];
- struct ref_lock *ref_lock;
struct commit_list *parents = NULL, **pptr = &parents;
struct stat statbuf;
struct commit *current_head = NULL;
struct commit_extra_header *extra = NULL;
+ struct ref_transaction *transaction;
+ struct strbuf err = STRBUF_INIT;
if (argc == 2 && !strcmp(argv[1], "-h"))
usage_with_options(builtin_commit_usage, builtin_commit_options);
@@ -1609,10 +1683,10 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
if (!reflog_msg)
reflog_msg = "commit (merge)";
pptr = &commit_list_insert(current_head, pptr)->next;
- fp = fopen(git_path("MERGE_HEAD"), "r");
+ fp = fopen(git_path_merge_head(), "r");
if (fp == NULL)
die_errno(_("could not open '%s' for reading"),
- git_path("MERGE_HEAD"));
+ git_path_merge_head());
while (strbuf_getline(&m, fp, '\n') != EOF) {
struct commit *parent;
@@ -1623,8 +1697,8 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
}
fclose(fp);
strbuf_release(&m);
- if (!stat(git_path("MERGE_MODE"), &statbuf)) {
- if (strbuf_read_file(&sb, git_path("MERGE_MODE"), 0) < 0)
+ if (!stat(git_path_merge_mode(), &statbuf)) {
+ if (strbuf_read_file(&sb, git_path_merge_mode(), 0) < 0)
die_errno(_("could not read MERGE_MODE"));
if (!strcmp(sb.buf, "no-ff"))
allow_fast_forward = 0;
@@ -1680,12 +1754,6 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
strbuf_release(&author_ident);
free_commit_extra_headers(extra);
- ref_lock = lock_any_ref_for_update("HEAD",
- !current_head
- ? NULL
- : current_head->object.sha1,
- 0, NULL);
-
nl = strchr(sb.buf, '\n');
if (nl)
strbuf_setlen(&sb, nl + 1 - sb.buf);
@@ -1694,25 +1762,28 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
strbuf_insert(&sb, 0, reflog_msg, strlen(reflog_msg));
strbuf_insert(&sb, strlen(reflog_msg), ": ", 2);
- if (!ref_lock) {
- rollback_index_files();
- die(_("cannot lock HEAD ref"));
- }
- if (write_ref_sha1(ref_lock, sha1, sb.buf) < 0) {
+ transaction = ref_transaction_begin(&err);
+ if (!transaction ||
+ ref_transaction_update(transaction, "HEAD", sha1,
+ current_head
+ ? current_head->object.sha1 : null_sha1,
+ 0, sb.buf, &err) ||
+ ref_transaction_commit(transaction, &err)) {
rollback_index_files();
- die(_("cannot update HEAD ref"));
+ die("%s", err.buf);
}
+ ref_transaction_free(transaction);
- unlink(git_path("CHERRY_PICK_HEAD"));
- unlink(git_path("REVERT_HEAD"));
- unlink(git_path("MERGE_HEAD"));
- unlink(git_path("MERGE_MSG"));
- unlink(git_path("MERGE_MODE"));
- unlink(git_path("SQUASH_MSG"));
+ unlink(git_path_cherry_pick_head());
+ unlink(git_path_revert_head());
+ unlink(git_path_merge_head());
+ unlink(git_path_merge_msg());
+ unlink(git_path_merge_mode());
+ unlink(git_path_squash_msg());
if (commit_index_files())
die (_("Repository has been updated, but unable to write\n"
- "new_index file. Check that disk is not full or quota is\n"
+ "new_index file. Check that disk is not full and quota is\n"
"not exceeded, and then \"git reset HEAD\" to recover."));
rerere(0);
@@ -1730,5 +1801,6 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
if (!quiet)
print_summary(prefix, sha1, !current_head);
+ strbuf_release(&err);
return 0;
}
diff --git a/builtin/config.c b/builtin/config.c
index 5677c94..71acc44 100644
--- a/builtin/config.c
+++ b/builtin/config.c
@@ -5,7 +5,7 @@
#include "urlmatch.h"
static const char *const builtin_config_usage[] = {
- N_("git config [options]"),
+ N_("git config [<options>]"),
NULL
};
@@ -13,6 +13,7 @@ static char *key;
static regex_t *key_regexp;
static regex_t *regexp;
static int show_keys;
+static int omit_values;
static int use_key_regexp;
static int do_all;
static int do_not_match;
@@ -69,8 +70,8 @@ static struct option builtin_config_options[] = {
OPT_BIT(0, "remove-section", &actions, N_("remove a section: name"), ACTION_REMOVE_SECTION),
OPT_BIT('l', "list", &actions, N_("list all"), ACTION_LIST),
OPT_BIT('e', "edit", &actions, N_("open an editor"), ACTION_EDIT),
- OPT_STRING(0, "get-color", &get_color_slot, N_("slot"), N_("find the color configured: [default]")),
- OPT_STRING(0, "get-colorbool", &get_colorbool_slot, N_("slot"), N_("find the color setting: [stdout-is-tty]")),
+ OPT_BIT(0, "get-color", &actions, N_("find the color configured: slot [default]"), ACTION_GET_COLOR),
+ OPT_BIT(0, "get-colorbool", &actions, N_("find the color setting: slot [stdout-is-tty]"), ACTION_GET_COLORBOOL),
OPT_GROUP(N_("Type")),
OPT_BIT(0, "bool", &types, N_("value is \"true\" or \"false\""), TYPE_BOOL),
OPT_BIT(0, "int", &types, N_("value is decimal number"), TYPE_INT),
@@ -78,6 +79,7 @@ static struct option builtin_config_options[] = {
OPT_BIT(0, "path", &types, N_("value is a path (file or directory name)"), TYPE_PATH),
OPT_GROUP(N_("Other")),
OPT_BOOL('z', "null", &end_null, N_("terminate values with NUL byte")),
+ OPT_BOOL(0, "name-only", &omit_values, N_("show variable names only")),
OPT_BOOL(0, "includes", &respect_includes, N_("respect include directives on lookup")),
OPT_END(),
};
@@ -91,7 +93,7 @@ static void check_argc(int argc, int min, int max) {
static int show_all_config(const char *key_, const char *value_, void *cb)
{
- if (value_)
+ if (!omit_values && value_)
printf("%s%c%s%c", key_, delim, value_, term);
else
printf("%s%c", key_, term);
@@ -106,48 +108,40 @@ struct strbuf_list {
static int format_config(struct strbuf *buf, const char *key_, const char *value_)
{
- int must_free_vptr = 0;
- int must_print_delim = 0;
- char value[256];
- const char *vptr = value;
-
- strbuf_init(buf, 0);
-
- if (show_keys) {
+ if (show_keys)
strbuf_addstr(buf, key_);
- must_print_delim = 1;
- }
- if (types == TYPE_INT)
- sprintf(value, "%"PRId64,
- git_config_int64(key_, value_ ? value_ : ""));
- else if (types == TYPE_BOOL)
- vptr = git_config_bool(key_, value_) ? "true" : "false";
- else if (types == TYPE_BOOL_OR_INT) {
- int is_bool, v;
- v = git_config_bool_or_int(key_, value_, &is_bool);
- if (is_bool)
- vptr = v ? "true" : "false";
- else
- sprintf(value, "%d", v);
- } else if (types == TYPE_PATH) {
- if (git_config_pathname(&vptr, key_, value_) < 0)
- return -1;
- must_free_vptr = 1;
- } else if (value_) {
- vptr = value_;
- } else {
- /* Just show the key name */
- vptr = "";
- must_print_delim = 0;
- }
+ if (!omit_values) {
+ if (show_keys)
+ strbuf_addch(buf, key_delim);
- if (must_print_delim)
- strbuf_addch(buf, key_delim);
- strbuf_addstr(buf, vptr);
+ if (types == TYPE_INT)
+ strbuf_addf(buf, "%"PRId64,
+ git_config_int64(key_, value_ ? value_ : ""));
+ else if (types == TYPE_BOOL)
+ strbuf_addstr(buf, git_config_bool(key_, value_) ?
+ "true" : "false");
+ else if (types == TYPE_BOOL_OR_INT) {
+ int is_bool, v;
+ v = git_config_bool_or_int(key_, value_, &is_bool);
+ if (is_bool)
+ strbuf_addstr(buf, v ? "true" : "false");
+ else
+ strbuf_addf(buf, "%d", v);
+ } else if (types == TYPE_PATH) {
+ const char *v;
+ if (git_config_pathname(&v, key_, value_) < 0)
+ return -1;
+ strbuf_addstr(buf, v);
+ free((char *)v);
+ } else if (value_) {
+ strbuf_addstr(buf, value_);
+ } else {
+ /* Just show the key name; back out delimiter */
+ if (show_keys)
+ strbuf_setlen(buf, buf->len - 1);
+ }
+ }
strbuf_addch(buf, term);
-
- if (must_free_vptr)
- free((char *)vptr);
return 0;
}
@@ -164,6 +158,7 @@ static int collect_config(const char *key_, const char *value_, void *cb)
return 0;
ALLOC_GROW(values->items, values->nr + 1, values->alloc);
+ strbuf_init(&values->items[values->nr], 0);
return format_config(&values->items[values->nr++], key_, value_);
}
@@ -193,7 +188,7 @@ static int get_value(const char *key_, const char *regex_)
key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
if (regcomp(key_regexp, key, REG_EXTENDED)) {
- fprintf(stderr, "Invalid key pattern: %s\n", key_);
+ error("invalid key pattern: %s", key_);
free(key_regexp);
key_regexp = NULL;
ret = CONFIG_INVALID_PATTERN;
@@ -214,7 +209,7 @@ static int get_value(const char *key_, const char *regex_)
regexp = (regex_t*)xmalloc(sizeof(regex_t));
if (regcomp(regexp, regex_, REG_EXTENDED)) {
- fprintf(stderr, "Invalid pattern: %s\n", regex_);
+ error("invalid pattern: %s", regex_);
free(regexp);
regexp = NULL;
ret = CONFIG_INVALID_PATTERN;
@@ -296,21 +291,25 @@ static int git_get_color_config(const char *var, const char *value, void *cb)
if (!strcmp(var, get_color_slot)) {
if (!value)
config_error_nonbool(var);
- color_parse(value, var, parsed_color);
+ if (color_parse(value, parsed_color) < 0)
+ return -1;
get_color_found = 1;
}
return 0;
}
-static void get_color(const char *def_color)
+static void get_color(const char *var, const char *def_color)
{
+ get_color_slot = var;
get_color_found = 0;
parsed_color[0] = '\0';
git_config_with_options(git_get_color_config, NULL,
&given_config_source, respect_includes);
- if (!get_color_found && def_color)
- color_parse(def_color, "command line", parsed_color);
+ if (!get_color_found && def_color) {
+ if (color_parse(def_color, parsed_color) < 0)
+ die(_("unable to parse default color value"));
+ }
fputs(parsed_color, stdout);
}
@@ -330,8 +329,9 @@ static int git_get_colorbool_config(const char *var, const char *value,
return 0;
}
-static int get_colorbool(int print)
+static int get_colorbool(const char *var, int print)
{
+ get_colorbool_slot = var;
get_colorbool_found = -1;
get_diff_color_found = -1;
get_color_ui_found = -1;
@@ -395,19 +395,6 @@ static int urlmatch_collect_fn(const char *var, const char *value, void *cb)
return 0;
}
-static char *dup_downcase(const char *string)
-{
- char *result;
- size_t len, i;
-
- len = strlen(string);
- result = xmalloc(len + 1);
- for (i = 0; i < len; i++)
- result[i] = tolower(string[i]);
- result[i] = '\0';
- return result;
-}
-
static int get_urlmatch(const char *var, const char *url)
{
char *section_tail;
@@ -422,7 +409,7 @@ static int get_urlmatch(const char *var, const char *url)
if (!url_normalize(url, &config.url))
die("%s", config.url.err);
- config.section = dup_downcase(var);
+ config.section = xstrdup_tolower(var);
section_tail = strchr(config.section, '.');
if (section_tail) {
*section_tail = '\0';
@@ -438,14 +425,11 @@ static int get_urlmatch(const char *var, const char *url)
for_each_string_list_item(item, &values) {
struct urlmatch_current_candidate_value *matched = item->util;
- struct strbuf key = STRBUF_INIT;
struct strbuf buf = STRBUF_INIT;
- strbuf_addstr(&key, item->string);
- format_config(&buf, key.buf,
+ format_config(&buf, item->string,
matched->value_is_null ? NULL : matched->value.buf);
fwrite(buf.buf, 1, buf.len, stdout);
- strbuf_release(&key);
strbuf_release(&buf);
strbuf_release(&matched->value);
@@ -458,6 +442,20 @@ static int get_urlmatch(const char *var, const char *url)
return 0;
}
+static char *default_user_config(void)
+{
+ struct strbuf buf = STRBUF_INIT;
+ strbuf_addf(&buf,
+ _("# This is Git's per-user configuration file.\n"
+ "[user]\n"
+ "# Please adapt and uncomment the following lines:\n"
+ "# name = %s\n"
+ "# email = %s\n"),
+ ident_default_name(),
+ ident_default_email());
+ return strbuf_detach(&buf, NULL);
+}
+
int cmd_config(int argc, const char **argv, const char *prefix)
{
int nongit = !startup_info->have_repository;
@@ -482,10 +480,8 @@ int cmd_config(int argc, const char **argv, const char *prefix)
}
if (use_global_config) {
- char *user_config = NULL;
- char *xdg_config = NULL;
-
- home_config_paths(&user_config, &xdg_config, "config");
+ char *user_config = expand_user_path("~/.gitconfig");
+ char *xdg_config = xdg_config_home("config");
if (!user_config)
/*
@@ -528,12 +524,7 @@ int cmd_config(int argc, const char **argv, const char *prefix)
usage_with_options(builtin_config_usage, builtin_config_options);
}
- if (get_color_slot)
- actions |= ACTION_GET_COLOR;
- if (get_colorbool_slot)
- actions |= ACTION_GET_COLORBOOL;
-
- if ((get_color_slot || get_colorbool_slot) && types) {
+ if ((actions & (ACTION_GET_COLOR|ACTION_GET_COLORBOOL)) && types) {
error("--get-color and variable type are incoherent");
usage_with_options(builtin_config_usage, builtin_config_options);
}
@@ -550,7 +541,11 @@ int cmd_config(int argc, const char **argv, const char *prefix)
default:
usage_with_options(builtin_config_usage, builtin_config_options);
}
-
+ if (omit_values &&
+ !(actions == ACTION_LIST || actions == ACTION_GET_REGEXP)) {
+ error("--name-only is only applicable to --list or --get-regexp");
+ usage_with_options(builtin_config_usage, builtin_config_options);
+ }
if (actions == ACTION_LIST) {
check_argc(argc, 0, 0);
if (git_config_with_options(show_all_config, NULL,
@@ -564,6 +559,8 @@ int cmd_config(int argc, const char **argv, const char *prefix)
}
}
else if (actions == ACTION_EDIT) {
+ char *config_file;
+
check_argc(argc, 0, 0);
if (!given_config_source.file && nongit)
die("not in a git directory");
@@ -572,9 +569,21 @@ int cmd_config(int argc, const char **argv, const char *prefix)
if (given_config_source.blob)
die("editing blobs is not supported");
git_config(git_default_config, NULL);
- launch_editor(given_config_source.file ?
- given_config_source.file : git_path("config"),
- NULL, NULL);
+ config_file = xstrdup(given_config_source.file ?
+ given_config_source.file : git_path("config"));
+ if (use_global_config) {
+ int fd = open(config_file, O_CREAT | O_EXCL | O_WRONLY, 0666);
+ if (fd) {
+ char *content = default_user_config();
+ write_str_in_full(fd, content);
+ free(content);
+ close(fd);
+ }
+ else if (errno != EEXIST)
+ die_errno(_("cannot create configuration file %s"), config_file);
+ }
+ launch_editor(config_file, NULL, NULL);
+ free(config_file);
}
else if (actions == ACTION_SET) {
int ret;
@@ -599,7 +608,8 @@ int cmd_config(int argc, const char **argv, const char *prefix)
check_argc(argc, 2, 2);
value = normalize_value(argv[0], argv[1]);
return git_config_set_multivar_in_file(given_config_source.file,
- argv[0], value, "^$", 0);
+ argv[0], value,
+ CONFIG_REGEX_NONE, 0);
}
else if (actions == ACTION_REPLACE_ALL) {
check_write();
@@ -667,12 +677,14 @@ int cmd_config(int argc, const char **argv, const char *prefix)
die("No such section!");
}
else if (actions == ACTION_GET_COLOR) {
- get_color(argv[0]);
+ check_argc(argc, 1, 2);
+ get_color(argv[0], argv[1]);
}
else if (actions == ACTION_GET_COLORBOOL) {
- if (argc == 1)
- color_stdout_is_tty = git_config_bool("command line", argv[0]);
- return get_colorbool(argc != 0);
+ check_argc(argc, 1, 2);
+ if (argc == 2)
+ color_stdout_is_tty = git_config_bool("command line", argv[1]);
+ return get_colorbool(argv[0], argc == 2);
}
return 0;
diff --git a/builtin/count-objects.c b/builtin/count-objects.c
index a7f70cb..ad0c799 100644
--- a/builtin/count-objects.c
+++ b/builtin/count-objects.c
@@ -11,6 +11,9 @@
static unsigned long garbage;
static off_t size_garbage;
+static int verbose;
+static unsigned long loose, packed, packed_loose;
+static off_t loose_size;
static void real_report_garbage(const char *desc, const char *path)
{
@@ -21,61 +24,31 @@ static void real_report_garbage(const char *desc, const char *path)
garbage++;
}
-static void count_objects(DIR *d, char *path, int len, int verbose,
- unsigned long *loose,
- off_t *loose_size,
- unsigned long *packed_loose)
+static void loose_garbage(const char *path)
{
- struct dirent *ent;
- while ((ent = readdir(d)) != NULL) {
- char hex[41];
- unsigned char sha1[20];
- const char *cp;
- int bad = 0;
+ if (verbose)
+ report_garbage("garbage found", path);
+}
- if (is_dot_or_dotdot(ent->d_name))
- continue;
- for (cp = ent->d_name; *cp; cp++) {
- int ch = *cp;
- if (('0' <= ch && ch <= '9') ||
- ('a' <= ch && ch <= 'f'))
- continue;
- bad = 1;
- break;
- }
- if (cp - ent->d_name != 38)
- bad = 1;
- else {
- struct stat st;
- memcpy(path + len + 3, ent->d_name, 38);
- path[len + 2] = '/';
- path[len + 41] = 0;
- if (lstat(path, &st) || !S_ISREG(st.st_mode))
- bad = 1;
- else
- (*loose_size) += xsize_t(on_disk_bytes(st));
- }
- if (bad) {
- if (verbose) {
- struct strbuf sb = STRBUF_INIT;
- strbuf_addf(&sb, "%.*s/%s",
- len + 2, path, ent->d_name);
- report_garbage("garbage found", sb.buf);
- strbuf_release(&sb);
- }
- continue;
- }
- (*loose)++;
- if (!verbose)
- continue;
- memcpy(hex, path+len, 2);
- memcpy(hex+2, ent->d_name, 38);
- hex[40] = 0;
- if (get_sha1_hex(hex, sha1))
- die("internal error");
- if (has_sha1_pack(sha1))
- (*packed_loose)++;
+static int count_loose(const unsigned char *sha1, const char *path, void *data)
+{
+ struct stat st;
+
+ if (lstat(path, &st) || !S_ISREG(st.st_mode))
+ loose_garbage(path);
+ else {
+ loose_size += on_disk_bytes(st);
+ loose++;
+ if (verbose && has_sha1_pack(sha1))
+ packed_loose++;
}
+ return 0;
+}
+
+static int count_cruft(const char *basename, const char *path, void *data)
+{
+ loose_garbage(path);
+ return 0;
}
static char const * const count_objects_usage[] = {
@@ -85,12 +58,7 @@ static char const * const count_objects_usage[] = {
int cmd_count_objects(int argc, const char **argv, const char *prefix)
{
- int i, verbose = 0, human_readable = 0;
- const char *objdir = get_object_directory();
- int len = strlen(objdir);
- char *path = xmalloc(len + 50);
- unsigned long loose = 0, packed = 0, packed_loose = 0;
- off_t loose_size = 0;
+ int human_readable = 0;
struct option opts[] = {
OPT__VERBOSE(&verbose, N_("be verbose")),
OPT_BOOL('H', "human-readable", &human_readable,
@@ -102,21 +70,14 @@ int cmd_count_objects(int argc, const char **argv, const char *prefix)
/* we do not take arguments other than flags for now */
if (argc)
usage_with_options(count_objects_usage, opts);
- if (verbose)
+ if (verbose) {
report_garbage = real_report_garbage;
- memcpy(path, objdir, len);
- if (len && objdir[len-1] != '/')
- path[len++] = '/';
- for (i = 0; i < 256; i++) {
- DIR *d;
- sprintf(path + len, "%02x", i);
- d = opendir(path);
- if (!d)
- continue;
- count_objects(d, path, len, verbose,
- &loose, &loose_size, &packed_loose);
- closedir(d);
+ report_linked_checkout_garbage();
}
+
+ for_each_loose_file_in_objdir(get_object_directory(),
+ count_loose, count_cruft, NULL, NULL);
+
if (verbose) {
struct packed_git *p;
unsigned long num_pack = 0;
diff --git a/builtin/describe.c b/builtin/describe.c
index 24d740c..7df5543 100644
--- a/builtin/describe.c
+++ b/builtin/describe.c
@@ -1,4 +1,5 @@
#include "cache.h"
+#include "lockfile.h"
#include "commit.h"
#include "tag.h"
#include "refs.h"
@@ -13,8 +14,8 @@
#define MAX_TAGS (FLAG_BITS - 1)
static const char * const describe_usage[] = {
- N_("git describe [options] <commit-ish>*"),
- N_("git describe [options] --dirty"),
+ N_("git describe [<options>] [<commit-ish>...]"),
+ N_("git describe [<options>] --dirty"),
NULL
};
@@ -56,18 +57,9 @@ static int commit_name_cmp(const struct commit_name *cn1,
return hashcmp(cn1->peeled, peeled ? peeled : cn2->peeled);
}
-static inline unsigned int hash_sha1(const unsigned char *sha1)
-{
- unsigned int hash;
- memcpy(&hash, sha1, sizeof(hash));
- return hash;
-}
-
static inline struct commit_name *find_commit_name(const unsigned char *peeled)
{
- struct commit_name key;
- hashmap_entry_init(&key, hash_sha1(peeled));
- return hashmap_get(&names, &key, peeled);
+ return hashmap_get_from_hash(&names, sha1hash(peeled), peeled);
}
static int replace_name(struct commit_name *e,
@@ -114,7 +106,7 @@ static void add_to_known_names(const char *path,
if (!e) {
e = xmalloc(sizeof(struct commit_name));
hashcpy(e->peeled, peeled);
- hashmap_entry_init(e, hash_sha1(peeled));
+ hashmap_entry_init(e, sha1hash(peeled));
hashmap_add(&names, e);
e->path = NULL;
}
@@ -127,10 +119,10 @@ static void add_to_known_names(const char *path,
}
}
-static int get_name(const char *path, const unsigned char *sha1, int flag, void *cb_data)
+static int get_name(const char *path, const struct object_id *oid, int flag, void *cb_data)
{
int is_tag = starts_with(path, "refs/tags/");
- unsigned char peeled[20];
+ struct object_id peeled;
int is_annotated, prio;
/* Reject anything outside refs/tags/ unless --all */
@@ -142,10 +134,10 @@ static int get_name(const char *path, const unsigned char *sha1, int flag, void
return 0;
/* Is it annotated? */
- if (!peel_ref(path, peeled)) {
- is_annotated = !!hashcmp(sha1, peeled);
+ if (!peel_ref(path, peeled.hash)) {
+ is_annotated = !!oidcmp(oid, &peeled);
} else {
- hashcpy(peeled, sha1);
+ oidcpy(&peeled, oid);
is_annotated = 0;
}
@@ -162,7 +154,7 @@ static int get_name(const char *path, const unsigned char *sha1, int flag, void
else
prio = 0;
- add_to_known_names(all ? path + 5 : path + 10, peeled, prio, sha1);
+ add_to_known_names(all ? path + 5 : path + 10, peeled.hash, prio, oid->hash);
return 0;
}
@@ -451,10 +443,10 @@ int cmd_describe(int argc, const char **argv, const char *prefix)
if (pattern)
argv_array_pushf(&args, "--refs=refs/tags/%s", pattern);
}
- while (*argv) {
- argv_array_push(&args, *argv);
- argv++;
- }
+ if (argc)
+ argv_array_pushv(&args, argv);
+ else
+ argv_array_push(&args, "HEAD");
return cmd_name_rev(args.argc, args.argv, prefix);
}
diff --git a/builtin/diff-files.c b/builtin/diff-files.c
index 9200069..8ed2eb8 100644
--- a/builtin/diff-files.c
+++ b/builtin/diff-files.c
@@ -11,7 +11,7 @@
#include "submodule.h"
static const char diff_files_usage[] =
-"git diff-files [-q] [-0/-1/2/3 |-c|--cc] [<common diff options>] [<path>...]"
+"git diff-files [-q] [-0 | -1 | -2 | -3 | -c | --cc] [<common-diff-options>] [<path>...]"
COMMON_DIFF_OPTIONS_HELP;
int cmd_diff_files(int argc, const char **argv, const char *prefix)
diff --git a/builtin/diff-index.c b/builtin/diff-index.c
index ce15b23..d979824 100644
--- a/builtin/diff-index.c
+++ b/builtin/diff-index.c
@@ -7,7 +7,7 @@
static const char diff_cache_usage[] =
"git diff-index [-m] [--cached] "
-"[<common diff options>] <tree-ish> [<path>...]"
+"[<common-diff-options>] <tree-ish> [<path>...]"
COMMON_DIFF_OPTIONS_HELP;
int cmd_diff_index(int argc, const char **argv, const char *prefix)
diff --git a/builtin/diff-tree.c b/builtin/diff-tree.c
index dddd0f9..12b683d 100644
--- a/builtin/diff-tree.c
+++ b/builtin/diff-tree.c
@@ -22,14 +22,10 @@ static int stdin_diff_commit(struct commit *commit, char *line, int len)
if (isspace(line[40]) && !get_sha1_hex(line+41, sha1)) {
/* Graft the fake parents locally to the commit */
int pos = 41;
- struct commit_list **pptr, *parents;
+ struct commit_list **pptr;
/* Free the real parent list */
- for (parents = commit->parents; parents; ) {
- struct commit_list *tmp = parents->next;
- free(parents);
- parents = tmp;
- }
+ free_commit_list(commit->parents);
commit->parents = NULL;
pptr = &(commit->parents);
while (line[pos] && !get_sha1_hex(line + pos, sha1)) {
@@ -86,7 +82,7 @@ static int diff_tree_stdin(char *line)
static const char diff_tree_usage[] =
"git diff-tree [--stdin] [-m] [-c] [--cc] [-s] [-v] [--pretty] [-t] [-r] [--root] "
-"[<common diff options>] <tree-ish> [<tree-ish>] [<path>...]\n"
+"[<common-diff-options>] <tree-ish> [<tree-ish>] [<path>...]\n"
" -r diff recursively\n"
" --root include the initial commit as diff against /dev/null\n"
COMMON_DIFF_OPTIONS_HELP;
diff --git a/builtin/diff.c b/builtin/diff.c
index 0f247d2..4326fa5 100644
--- a/builtin/diff.c
+++ b/builtin/diff.c
@@ -4,6 +4,7 @@
* Copyright (c) 2006 Junio C Hamano
*/
#include "cache.h"
+#include "lockfile.h"
#include "color.h"
#include "commit.h"
#include "blob.h"
diff --git a/builtin/fast-export.c b/builtin/fast-export.c
index 05d161f..d23f3be 100644
--- a/builtin/fast-export.c
+++ b/builtin/fast-export.c
@@ -5,6 +5,7 @@
*/
#include "builtin.h"
#include "cache.h"
+#include "refs.h"
#include "commit.h"
#include "object.h"
#include "tag.h"
@@ -17,6 +18,8 @@
#include "utf8.h"
#include "parse-options.h"
#include "quote.h"
+#include "remote.h"
+#include "blob.h"
static const char *fast_export_usage[] = {
N_("git fast-export [rev-list-opts]"),
@@ -31,6 +34,9 @@ static int use_done_feature;
static int no_data;
static int full_tree;
static struct string_list extra_refs = STRING_LIST_INIT_NODUP;
+static struct refspec *refspecs;
+static int refspecs_nr;
+static int anonymize;
static int parse_opt_signed_tag_mode(const struct option *opt,
const char *arg, int unset)
@@ -78,6 +84,76 @@ static int has_unshown_parent(struct commit *commit)
return 0;
}
+struct anonymized_entry {
+ struct hashmap_entry hash;
+ const char *orig;
+ size_t orig_len;
+ const char *anon;
+ size_t anon_len;
+};
+
+static int anonymized_entry_cmp(const void *va, const void *vb,
+ const void *data)
+{
+ const struct anonymized_entry *a = va, *b = vb;
+ return a->orig_len != b->orig_len ||
+ memcmp(a->orig, b->orig, a->orig_len);
+}
+
+/*
+ * Basically keep a cache of X->Y so that we can repeatedly replace
+ * the same anonymized string with another. The actual generation
+ * is farmed out to the generate function.
+ */
+static const void *anonymize_mem(struct hashmap *map,
+ void *(*generate)(const void *, size_t *),
+ const void *orig, size_t *len)
+{
+ struct anonymized_entry key, *ret;
+
+ if (!map->cmpfn)
+ hashmap_init(map, anonymized_entry_cmp, 0);
+
+ hashmap_entry_init(&key, memhash(orig, *len));
+ key.orig = orig;
+ key.orig_len = *len;
+ ret = hashmap_get(map, &key, NULL);
+
+ if (!ret) {
+ ret = xmalloc(sizeof(*ret));
+ hashmap_entry_init(&ret->hash, key.hash.hash);
+ ret->orig = xstrdup(orig);
+ ret->orig_len = *len;
+ ret->anon = generate(orig, len);
+ ret->anon_len = *len;
+ hashmap_put(map, ret);
+ }
+
+ *len = ret->anon_len;
+ return ret->anon;
+}
+
+/*
+ * We anonymize each component of a path individually,
+ * so that paths a/b and a/c will share a common root.
+ * The paths are cached via anonymize_mem so that repeated
+ * lookups for "a" will yield the same value.
+ */
+static void anonymize_path(struct strbuf *out, const char *path,
+ struct hashmap *map,
+ void *(*generate)(const void *, size_t *))
+{
+ while (*path) {
+ const char *end_of_component = strchrnul(path, '/');
+ size_t len = end_of_component - path;
+ const char *c = anonymize_mem(map, generate, path, &len);
+ strbuf_add(out, c, len);
+ path = end_of_component;
+ if (*path)
+ strbuf_addch(out, *path++);
+ }
+}
+
/* Since intptr_t is C99, we do not use it here */
static inline uint32_t *mark_to_ptr(uint32_t mark)
{
@@ -116,6 +192,26 @@ static void show_progress(void)
printf("progress %d objects\n", counter);
}
+/*
+ * Ideally we would want some transformation of the blob data here
+ * that is unreversible, but would still be the same size and have
+ * the same data relationship to other blobs (so that we get the same
+ * delta and packing behavior as the original). But the first and last
+ * requirements there are probably mutually exclusive, so let's take
+ * the easy way out for now, and just generate arbitrary content.
+ *
+ * There's no need to cache this result with anonymize_mem, since
+ * we already handle blob content caching with marks.
+ */
+static char *anonymize_blob(unsigned long *size)
+{
+ static int counter;
+ struct strbuf out = STRBUF_INIT;
+ strbuf_addf(&out, "anonymous blob %d", counter++);
+ *size = out.len;
+ return strbuf_detach(&out, NULL);
+}
+
static void export_blob(const unsigned char *sha1)
{
unsigned long size;
@@ -134,12 +230,19 @@ static void export_blob(const unsigned char *sha1)
if (object && object->flags & SHOWN)
return;
- buf = read_sha1_file(sha1, &type, &size);
- if (!buf)
- die ("Could not read blob %s", sha1_to_hex(sha1));
- if (check_sha1_signature(sha1, buf, size, typename(type)) < 0)
- die("sha1 mismatch in blob %s", sha1_to_hex(sha1));
- object = parse_object_buffer(sha1, type, size, buf, &eaten);
+ if (anonymize) {
+ buf = anonymize_blob(&size);
+ object = (struct object *)lookup_blob(sha1);
+ eaten = 0;
+ } else {
+ buf = read_sha1_file(sha1, &type, &size);
+ if (!buf)
+ die ("Could not read blob %s", sha1_to_hex(sha1));
+ if (check_sha1_signature(sha1, buf, size, typename(type)) < 0)
+ die("sha1 mismatch in blob %s", sha1_to_hex(sha1));
+ object = parse_object_buffer(sha1, type, size, buf, &eaten);
+ }
+
if (!object)
die("Could not read blob %s", sha1_to_hex(sha1));
@@ -187,7 +290,7 @@ static int depth_first(const void *a_, const void *b_)
return (a->status == 'R') - (b->status == 'R');
}
-static void print_path(const char *path)
+static void print_path_1(const char *path)
{
int need_quote = quote_c_style(path, NULL, NULL, 0);
if (need_quote)
@@ -198,6 +301,43 @@ static void print_path(const char *path)
printf("%s", path);
}
+static void *anonymize_path_component(const void *path, size_t *len)
+{
+ static int counter;
+ struct strbuf out = STRBUF_INIT;
+ strbuf_addf(&out, "path%d", counter++);
+ return strbuf_detach(&out, len);
+}
+
+static void print_path(const char *path)
+{
+ if (!anonymize)
+ print_path_1(path);
+ else {
+ static struct hashmap paths;
+ static struct strbuf anon = STRBUF_INIT;
+
+ anonymize_path(&anon, path, &paths, anonymize_path_component);
+ print_path_1(anon.buf);
+ strbuf_reset(&anon);
+ }
+}
+
+static void *generate_fake_sha1(const void *old, size_t *len)
+{
+ static uint32_t counter = 1; /* avoid null sha1 */
+ unsigned char *out = xcalloc(20, 1);
+ put_be32(out + 16, counter++);
+ return out;
+}
+
+static const unsigned char *anonymize_sha1(const unsigned char *sha1)
+{
+ static struct hashmap sha1s;
+ size_t len = 20;
+ return anonymize_mem(&sha1s, generate_fake_sha1, sha1, &len);
+}
+
static void show_filemodify(struct diff_queue_struct *q,
struct diff_options *options, void *data)
{
@@ -242,7 +382,9 @@ static void show_filemodify(struct diff_queue_struct *q,
*/
if (no_data || S_ISGITLINK(spec->mode))
printf("M %06o %s ", spec->mode,
- sha1_to_hex(spec->sha1));
+ sha1_to_hex(anonymize ?
+ anonymize_sha1(spec->sha1) :
+ spec->sha1));
else {
struct object *object = lookup_object(spec->sha1);
printf("M %06o :%d ", spec->mode,
@@ -276,6 +418,114 @@ static const char *find_encoding(const char *begin, const char *end)
return bol;
}
+static void *anonymize_ref_component(const void *old, size_t *len)
+{
+ static int counter;
+ struct strbuf out = STRBUF_INIT;
+ strbuf_addf(&out, "ref%d", counter++);
+ return strbuf_detach(&out, len);
+}
+
+static const char *anonymize_refname(const char *refname)
+{
+ /*
+ * If any of these prefixes is found, we will leave it intact
+ * so that tags remain tags and so forth.
+ */
+ static const char *prefixes[] = {
+ "refs/heads/",
+ "refs/tags/",
+ "refs/remotes/",
+ "refs/"
+ };
+ static struct hashmap refs;
+ static struct strbuf anon = STRBUF_INIT;
+ int i;
+
+ /*
+ * We also leave "master" as a special case, since it does not reveal
+ * anything interesting.
+ */
+ if (!strcmp(refname, "refs/heads/master"))
+ return refname;
+
+ strbuf_reset(&anon);
+ for (i = 0; i < ARRAY_SIZE(prefixes); i++) {
+ if (skip_prefix(refname, prefixes[i], &refname)) {
+ strbuf_addstr(&anon, prefixes[i]);
+ break;
+ }
+ }
+
+ anonymize_path(&anon, refname, &refs, anonymize_ref_component);
+ return anon.buf;
+}
+
+/*
+ * We do not even bother to cache commit messages, as they are unlikely
+ * to be repeated verbatim, and it is not that interesting when they are.
+ */
+static char *anonymize_commit_message(const char *old)
+{
+ static int counter;
+ return xstrfmt("subject %d\n\nbody\n", counter++);
+}
+
+static struct hashmap idents;
+static void *anonymize_ident(const void *old, size_t *len)
+{
+ static int counter;
+ struct strbuf out = STRBUF_INIT;
+ strbuf_addf(&out, "User %d <user%d@example.com>", counter, counter);
+ counter++;
+ return strbuf_detach(&out, len);
+}
+
+/*
+ * Our strategy here is to anonymize the names and email addresses,
+ * but keep timestamps intact, as they influence things like traversal
+ * order (and by themselves should not be too revealing).
+ */
+static void anonymize_ident_line(const char **beg, const char **end)
+{
+ static struct strbuf buffers[] = { STRBUF_INIT, STRBUF_INIT };
+ static unsigned which_buffer;
+
+ struct strbuf *out;
+ struct ident_split split;
+ const char *end_of_header;
+
+ out = &buffers[which_buffer++];
+ which_buffer %= ARRAY_SIZE(buffers);
+ strbuf_reset(out);
+
+ /* skip "committer", "author", "tagger", etc */
+ end_of_header = strchr(*beg, ' ');
+ if (!end_of_header)
+ die("BUG: malformed line fed to anonymize_ident_line: %.*s",
+ (int)(*end - *beg), *beg);
+ end_of_header++;
+ strbuf_add(out, *beg, end_of_header - *beg);
+
+ if (!split_ident_line(&split, end_of_header, *end - end_of_header) &&
+ split.date_begin) {
+ const char *ident;
+ size_t len;
+
+ len = split.mail_end - split.name_begin;
+ ident = anonymize_mem(&idents, anonymize_ident,
+ split.name_begin, &len);
+ strbuf_add(out, ident, len);
+ strbuf_addch(out, ' ');
+ strbuf_add(out, split.date_begin, split.tz_end - split.date_begin);
+ } else {
+ strbuf_addstr(out, "Malformed Ident <malformed@example.com> 0 -0000");
+ }
+
+ *beg = out->buf;
+ *end = out->buf + out->len;
+}
+
static void handle_commit(struct commit *commit, struct rev_info *rev)
{
int saved_output_format = rev->diffopt.output_format;
@@ -284,6 +534,7 @@ static void handle_commit(struct commit *commit, struct rev_info *rev)
const char *encoding, *message;
char *reencoded = NULL;
struct commit_list *p;
+ const char *refname;
int i;
rev->diffopt.output_format = DIFF_FORMAT_CALLBACK;
@@ -323,13 +574,22 @@ static void handle_commit(struct commit *commit, struct rev_info *rev)
if (!S_ISGITLINK(diff_queued_diff.queue[i]->two->mode))
export_blob(diff_queued_diff.queue[i]->two->sha1);
+ refname = commit->util;
+ if (anonymize) {
+ refname = anonymize_refname(refname);
+ anonymize_ident_line(&committer, &committer_end);
+ anonymize_ident_line(&author, &author_end);
+ }
+
mark_next_object(&commit->object);
- if (!is_encoding_utf8(encoding))
+ if (anonymize)
+ reencoded = anonymize_commit_message(message);
+ else if (!is_encoding_utf8(encoding))
reencoded = reencode_string(message, "UTF-8", encoding);
if (!commit->parents)
- printf("reset %s\n", (const char*)commit->util);
+ printf("reset %s\n", refname);
printf("commit %s\nmark :%"PRIu32"\n%.*s\n%.*s\ndata %u\n%s",
- (const char *)commit->util, last_idnum,
+ refname, last_idnum,
(int)(author_end - author), author,
(int)(committer_end - committer), committer,
(unsigned)(reencoded
@@ -360,6 +620,14 @@ static void handle_commit(struct commit *commit, struct rev_info *rev)
show_progress();
}
+static void *anonymize_tag(const void *old, size_t *len)
+{
+ static int counter;
+ struct strbuf out = STRBUF_INIT;
+ strbuf_addf(&out, "tag message %d", counter++);
+ return strbuf_detach(&out, len);
+}
+
static void handle_tail(struct object_array *commits, struct rev_info *revs)
{
struct commit *commit;
@@ -416,6 +684,17 @@ static void handle_tag(const char *name, struct tag *tag)
} else {
tagger++;
tagger_end = strchrnul(tagger, '\n');
+ if (anonymize)
+ anonymize_ident_line(&tagger, &tagger_end);
+ }
+
+ if (anonymize) {
+ name = anonymize_refname(name);
+ if (message) {
+ static struct hashmap tags;
+ message = anonymize_mem(&tags, anonymize_tag,
+ message, &message_size);
+ }
}
/* handle signed tags */
@@ -528,6 +807,15 @@ static void get_tags_and_duplicates(struct rev_cmdline_info *info)
if (dwim_ref(e->name, strlen(e->name), sha1, &full_name) != 1)
continue;
+ if (refspecs) {
+ char *private;
+ private = apply_refspecs(refspecs, refspecs_nr, full_name);
+ if (private) {
+ free(full_name);
+ full_name = private;
+ }
+ }
+
commit = get_commit(e, full_name);
if (!commit) {
warning("%s: Unexpected object of type %s, skipping.",
@@ -572,6 +860,8 @@ static void handle_tags_and_duplicates(void)
handle_tag(name, (struct tag *)object);
break;
case OBJ_COMMIT:
+ if (anonymize)
+ name = anonymize_refname(name);
/* create refs pointing to already seen commits */
commit = (struct commit *)object;
printf("reset %s\nfrom :%d\n\n", name,
@@ -664,6 +954,19 @@ static void import_marks(char *input_file)
fclose(f);
}
+static void handle_deletes(void)
+{
+ int i;
+ for (i = 0; i < refspecs_nr; i++) {
+ struct refspec *refspec = &refspecs[i];
+ if (*refspec->src)
+ continue;
+
+ printf("reset %s\nfrom %s\n\n",
+ refspec->dst, sha1_to_hex(null_sha1));
+ }
+}
+
int cmd_fast_export(int argc, const char **argv, const char *prefix)
{
struct rev_info revs;
@@ -671,6 +974,7 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix)
struct commit *commit;
char *export_filename = NULL, *import_filename = NULL;
uint32_t lastimportid;
+ struct string_list refspecs_list = STRING_LIST_INIT_NODUP;
struct option options[] = {
OPT_INTEGER(0, "progress", &progress,
N_("show progress after <n> objects")),
@@ -691,6 +995,9 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix)
OPT_BOOL(0, "use-done-feature", &use_done_feature,
N_("Use the done feature to terminate the stream")),
OPT_BOOL(0, "no-data", &no_data, N_("Skip output of blob data")),
+ OPT_STRING_LIST(0, "refspec", &refspecs_list, N_("refspec"),
+ N_("Apply refspec to exported refs")),
+ OPT_BOOL(0, "anonymize", &anonymize, N_("anonymize output")),
OPT_END()
};
@@ -704,11 +1011,27 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix)
revs.topo_order = 1;
revs.show_source = 1;
revs.rewrite_parents = 1;
+ argc = parse_options(argc, argv, prefix, options, fast_export_usage,
+ PARSE_OPT_KEEP_ARGV0 | PARSE_OPT_KEEP_UNKNOWN);
argc = setup_revisions(argc, argv, &revs, NULL);
- argc = parse_options(argc, argv, prefix, options, fast_export_usage, 0);
if (argc > 1)
usage_with_options (fast_export_usage, options);
+ if (refspecs_list.nr) {
+ const char **refspecs_str;
+ int i;
+
+ refspecs_str = xmalloc(sizeof(*refspecs_str) * refspecs_list.nr);
+ for (i = 0; i < refspecs_list.nr; i++)
+ refspecs_str[i] = refspecs_list.items[i].string;
+
+ refspecs_nr = refspecs_list.nr;
+ refspecs = parse_fetch_refspec(refspecs_nr, refspecs_str);
+
+ string_list_clear(&refspecs_list, 1);
+ free(refspecs_str);
+ }
+
if (use_done_feature)
printf("feature done\n");
@@ -736,6 +1059,7 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix)
}
handle_tags_and_duplicates();
+ handle_deletes();
if (export_filename && lastimportid != last_idnum)
export_marks(export_filename);
@@ -743,5 +1067,7 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix)
if (use_done_feature)
printf("done\n");
+ free_refspec(refspecs_nr, refspecs);
+
return 0;
}
diff --git a/builtin/fetch-pack.c b/builtin/fetch-pack.c
index 1262b40..4a6b340 100644
--- a/builtin/fetch-pack.c
+++ b/builtin/fetch-pack.c
@@ -6,7 +6,7 @@
#include "sha1-array.h"
static const char fetch_pack_usage[] =
-"git fetch-pack [--all] [--stdin] [--quiet|-q] [--keep|-k] [--thin] "
+"git fetch-pack [--all] [--stdin] [--quiet | -q] [--keep | -k] [--thin] "
"[--include-tag] [--upload-pack=<git-upload-pack>] [--depth=<n>] "
"[--no-progress] [--diag-url] [-v] [<host>:]<directory> [<refs>...]";
diff --git a/builtin/fetch.c b/builtin/fetch.c
index 55f457c..9a3869f 100644
--- a/builtin/fetch.c
+++ b/builtin/fetch.c
@@ -11,7 +11,7 @@
#include "run-command.h"
#include "parse-options.h"
#include "sigchain.h"
-#include "transport.h"
+#include "submodule-config.h"
#include "submodule.h"
#include "connected.h"
#include "argv-array.h"
@@ -45,6 +45,8 @@ static struct transport *gsecondary;
static const char *submodule_prefix = "";
static const char *recurse_submodules_default;
static int shown_url = 0;
+static int refmap_alloc, refmap_nr;
+static const char **refmap_array;
static int option_parse_recurse_submodules(const struct option *opt,
const char *arg, int unset)
@@ -66,6 +68,19 @@ static int git_fetch_config(const char *k, const char *v, void *cb)
fetch_prune_config = git_config_bool(k, v);
return 0;
}
+ return git_default_config(k, v, cb);
+}
+
+static int parse_refmap_arg(const struct option *opt, const char *arg, int unset)
+{
+ ALLOC_GROW(refmap_array, refmap_nr + 1, refmap_alloc);
+
+ /*
+ * "git fetch --refmap='' origin foo"
+ * can be used to tell the command not to store anywhere
+ */
+ if (*arg)
+ refmap_array[refmap_nr++] = arg;
return 0;
}
@@ -107,6 +122,8 @@ static struct option builtin_fetch_options[] = {
N_("default mode for recursion"), PARSE_OPT_HIDDEN },
OPT_BOOL(0, "update-shallow", &update_shallow,
N_("accept refs that update .git/shallow")),
+ { OPTION_CALLBACK, 0, "refmap", NULL, N_("refmap"),
+ N_("specify fetch refmap"), PARSE_OPT_NONEG, parse_refmap_arg },
OPT_END()
};
@@ -163,13 +180,15 @@ static void add_merge_config(struct ref **head,
}
}
-static int add_existing(const char *refname, const unsigned char *sha1,
+static int add_existing(const char *refname, const struct object_id *oid,
int flag, void *cbdata)
{
struct string_list *list = (struct string_list *)cbdata;
struct string_list_item *item = string_list_insert(list, refname);
- item->util = xmalloc(20);
- hashcpy(item->util, sha1);
+ struct object_id *old_oid = xmalloc(sizeof(*old_oid));
+
+ oidcpy(old_oid, oid);
+ item->util = old_oid;
return 0;
}
@@ -278,6 +297,9 @@ static struct ref *get_ref_map(struct transport *transport,
const struct ref *remote_refs = transport_get_remote_refs(transport);
if (refspec_count) {
+ struct refspec *fetch_refspec;
+ int fetch_refspec_nr;
+
for (i = 0; i < refspec_count; i++) {
get_fetch_map(remote_refs, &refspecs[i], &tail, 0);
if (refspecs[i].dst && refspecs[i].dst[0])
@@ -307,12 +329,21 @@ static struct ref *get_ref_map(struct transport *transport,
* by ref_remove_duplicates() in favor of one of these
* opportunistic entries with FETCH_HEAD_IGNORE.
*/
- for (i = 0; i < transport->remote->fetch_refspec_nr; i++)
- get_fetch_map(ref_map, &transport->remote->fetch[i],
- &oref_tail, 1);
+ if (refmap_array) {
+ fetch_refspec = parse_fetch_refspec(refmap_nr, refmap_array);
+ fetch_refspec_nr = refmap_nr;
+ } else {
+ fetch_refspec = transport->remote->fetch;
+ fetch_refspec_nr = transport->remote->fetch_refspec_nr;
+ }
+
+ for (i = 0; i < fetch_refspec_nr; i++)
+ get_fetch_map(ref_map, &fetch_refspec[i], &oref_tail, 1);
if (tags == TAGS_SET)
get_fetch_map(remote_refs, tag_refspec, &tail, 0);
+ } else if (refmap_array) {
+ die("--refmap option is only meaningful with command-line refspec(s).");
} else {
/* Use the defaults */
struct remote *remote = transport->remote;
@@ -375,23 +406,39 @@ static int s_update_ref(const char *action,
{
char msg[1024];
char *rla = getenv("GIT_REFLOG_ACTION");
- static struct ref_lock *lock;
+ struct ref_transaction *transaction;
+ struct strbuf err = STRBUF_INIT;
+ int ret, df_conflict = 0;
if (dry_run)
return 0;
if (!rla)
rla = default_rla.buf;
snprintf(msg, sizeof(msg), "%s: %s", rla, action);
- lock = lock_any_ref_for_update(ref->name,
- check_old ? ref->old_sha1 : NULL,
- 0, NULL);
- if (!lock)
- return errno == ENOTDIR ? STORE_REF_ERROR_DF_CONFLICT :
- STORE_REF_ERROR_OTHER;
- if (write_ref_sha1(lock, ref->new_sha1, msg) < 0)
- return errno == ENOTDIR ? STORE_REF_ERROR_DF_CONFLICT :
- STORE_REF_ERROR_OTHER;
+
+ transaction = ref_transaction_begin(&err);
+ if (!transaction ||
+ ref_transaction_update(transaction, ref->name,
+ ref->new_sha1,
+ check_old ? ref->old_sha1 : NULL,
+ 0, msg, &err))
+ goto fail;
+
+ ret = ref_transaction_commit(transaction, &err);
+ if (ret) {
+ df_conflict = (ret == TRANSACTION_NAME_CONFLICT);
+ goto fail;
+ }
+
+ ref_transaction_free(transaction);
+ strbuf_release(&err);
return 0;
+fail:
+ ref_transaction_free(transaction);
+ error("%s", err.buf);
+ strbuf_release(&err);
+ return df_conflict ? STORE_REF_ERROR_DF_CONFLICT
+ : STORE_REF_ERROR_OTHER;
}
#define REFCOL_WIDTH 10
@@ -544,7 +591,8 @@ static int store_updated_refs(const char *raw_url, const char *remote_name,
struct strbuf note = STRBUF_INIT;
const char *what, *kind;
struct ref *rm;
- char *url, *filename = dry_run ? "/dev/null" : git_path("FETCH_HEAD");
+ char *url;
+ const char *filename = dry_run ? "/dev/null" : git_path_fetch_head();
int want_status;
fp = fopen(filename, "a");
@@ -743,20 +791,29 @@ static int prune_refs(struct refspec *refs, int ref_count, struct ref *ref_map,
if (4 < i && !strncmp(".git", url + i - 3, 4))
url_len = i - 3;
- for (ref = stale_refs; ref; ref = ref->next) {
- if (!dry_run)
- result |= delete_ref(ref->name, NULL, 0);
- if (verbosity >= 0 && !shown_url) {
- fprintf(stderr, _("From %.*s\n"), url_len, url);
- shown_url = 1;
- }
- if (verbosity >= 0) {
+ if (!dry_run) {
+ struct string_list refnames = STRING_LIST_INIT_NODUP;
+
+ for (ref = stale_refs; ref; ref = ref->next)
+ string_list_append(&refnames, ref->name);
+
+ result = delete_refs(&refnames);
+ string_list_clear(&refnames, 0);
+ }
+
+ if (verbosity >= 0) {
+ for (ref = stale_refs; ref; ref = ref->next) {
+ if (!shown_url) {
+ fprintf(stderr, _("From %.*s\n"), url_len, url);
+ shown_url = 1;
+ }
fprintf(stderr, " x %-*s %-*s -> %s\n",
TRANSPORT_SUMMARY(_("[deleted]")),
REFCOL_WIDTH, _("(none)"), prettify_refname(ref->name));
warn_dangling_symref(stderr, dangling_msg, ref->name);
}
}
+
free(url);
free_refs(stale_refs);
return result;
@@ -778,7 +835,7 @@ static void check_not_current_branch(struct ref *ref_map)
static int truncate_fetch_head(void)
{
- char *filename = git_path("FETCH_HEAD");
+ const char *filename = git_path_fetch_head();
FILE *fp = fopen(filename, "w");
if (!fp)
@@ -868,9 +925,10 @@ static int do_fetch(struct transport *transport,
struct string_list_item *peer_item =
string_list_lookup(&existing_refs,
rm->peer_ref->name);
- if (peer_item)
- hashcpy(rm->peer_ref->old_sha1,
- peer_item->util);
+ if (peer_item) {
+ struct object_id *old_oid = peer_item->util;
+ hashcpy(rm->peer_ref->old_sha1, old_oid->hash);
+ }
}
}
@@ -931,17 +989,15 @@ static int get_remote_group(const char *key, const char *value, void *priv)
{
struct remote_group_data *g = priv;
- if (starts_with(key, "remotes.") &&
- !strcmp(key + 8, g->name)) {
+ if (skip_prefix(key, "remotes.", &key) && !strcmp(key, g->name)) {
/* split list by white space */
- int space = strcspn(value, " \t\n");
while (*value) {
- if (space > 1) {
+ size_t wordlen = strcspn(value, " \t\n");
+
+ if (wordlen >= 1)
string_list_append(g->list,
- xstrndup(value, space));
- }
- value += space + (value[space] != '\0');
- space = strcspn(value, " \t\n");
+ xstrndup(value, wordlen));
+ value += wordlen + (value[wordlen] != '\0');
}
}
@@ -1053,16 +1109,11 @@ static int fetch_one(struct remote *remote, int argc, const char **argv)
refs = xcalloc(argc + 1, sizeof(const char *));
for (i = 0; i < argc; i++) {
if (!strcmp(argv[i], "tag")) {
- char *ref;
i++;
if (i >= argc)
die(_("You need to specify a tag name."));
- ref = xmalloc(strlen(argv[i]) * 2 + 22);
- strcpy(ref, "refs/tags/");
- strcat(ref, argv[i]);
- strcat(ref, ":refs/tags/");
- strcat(ref, argv[i]);
- refs[j++] = ref;
+ refs[j++] = xstrfmt("refs/tags/%s:refs/tags/%s",
+ argv[i], argv[i]);
} else
refs[j++] = argv[i];
}
@@ -1086,9 +1137,7 @@ int cmd_fetch(int argc, const char **argv, const char *prefix)
struct string_list list = STRING_LIST_INIT_NODUP;
struct remote *remote;
int result = 0;
- static const char *argv_gc_auto[] = {
- "gc", "--auto", NULL,
- };
+ struct argv_array argv_gc_auto = ARGV_ARRAY_INIT;
packet_trace_identity("fetch");
@@ -1174,7 +1223,11 @@ int cmd_fetch(int argc, const char **argv, const char *prefix)
list.strdup_strings = 1;
string_list_clear(&list, 0);
- run_command_v_opt(argv_gc_auto, RUN_GIT_CMD);
+ argv_array_pushl(&argv_gc_auto, "gc", "--auto", NULL);
+ if (verbosity < 0)
+ argv_array_push(&argv_gc_auto, "--quiet");
+ run_command_v_opt(argv_gc_auto.argv, RUN_GIT_CMD);
+ argv_array_clear(&argv_gc_auto);
return result;
}
diff --git a/builtin/fmt-merge-msg.c b/builtin/fmt-merge-msg.c
index ef8b254..4ba7f28 100644
--- a/builtin/fmt-merge-msg.c
+++ b/builtin/fmt-merge-msg.c
@@ -1,5 +1,6 @@
#include "builtin.h"
#include "cache.h"
+#include "refs.h"
#include "commit.h"
#include "diff.h"
#include "revision.h"
@@ -10,7 +11,7 @@
#include "gpg-interface.h"
static const char * const fmt_merge_msg_usage[] = {
- N_("git fmt-merge-msg [-m <message>] [--log[=<n>]|--no-log] [--file <file>]"),
+ N_("git fmt-merge-msg [-m <message>] [--log[=<n>] | --no-log] [--file <file>]"),
NULL
};
@@ -100,7 +101,8 @@ static int handle_line(char *line, struct merge_parents *merge_parents)
{
int i, len = strlen(line);
struct origin_data *origin_data;
- char *src, *origin;
+ char *src;
+ const char *origin;
struct src_data *src_data;
struct string_list_item *item;
int pulling_head = 0;
@@ -164,8 +166,7 @@ static int handle_line(char *line, struct merge_parents *merge_parents)
origin = line;
string_list_append(&src_data->tag, origin + 4);
src_data->head_status |= 2;
- } else if (starts_with(line, "remote-tracking branch ")) {
- origin = line + strlen("remote-tracking branch ");
+ } else if (skip_prefix(line, "remote-tracking branch ", &origin)) {
string_list_append(&src_data->r_branch, origin);
src_data->head_status |= 2;
} else {
@@ -178,11 +179,8 @@ static int handle_line(char *line, struct merge_parents *merge_parents)
int len = strlen(origin);
if (origin[0] == '\'' && origin[len - 1] == '\'')
origin = xmemdupz(origin + 1, len - 2);
- } else {
- char *new_origin = xmalloc(strlen(origin) + strlen(src) + 5);
- sprintf(new_origin, "%s of %s", origin, src);
- origin = new_origin;
- }
+ } else
+ origin = xstrfmt("%s of %s", origin, src);
if (strcmp(".", src))
origin_data->is_local_branch = 0;
string_list_append(&origins, origin)->util = origin_data;
@@ -219,24 +217,21 @@ static void add_branch_desc(struct strbuf *out, const char *name)
strbuf_addf(out, " : %.*s", (int)(ep - bp), bp);
bp = ep;
}
- if (out->buf[out->len - 1] != '\n')
- strbuf_addch(out, '\n');
+ strbuf_complete_line(out);
}
strbuf_release(&desc);
}
#define util_as_integral(elem) ((intptr_t)((elem)->util))
-static void record_person(int which, struct string_list *people,
- struct commit *commit)
+static void record_person_from_buf(int which, struct string_list *people,
+ const char *buffer)
{
- const char *buffer;
char *name_buf, *name, *name_end;
struct string_list_item *elem;
const char *field;
field = (which == 'a') ? "\nauthor " : "\ncommitter ";
- buffer = get_commit_buffer(commit, NULL);
name = strstr(buffer, field);
if (!name)
return;
@@ -249,7 +244,6 @@ static void record_person(int which, struct string_list *people,
if (name_end < name)
return;
name_buf = xmemdupz(name, name_end - name + 1);
- unuse_commit_buffer(commit, buffer);
elem = string_list_lookup(people, name_buf);
if (!elem) {
@@ -260,6 +254,15 @@ static void record_person(int which, struct string_list *people,
free(name_buf);
}
+
+static void record_person(int which, struct string_list *people,
+ struct commit *commit)
+{
+ const char *buffer = get_commit_buffer(commit, NULL);
+ record_person_from_buf(which, people, buffer);
+ unuse_commit_buffer(commit, buffer);
+}
+
static int cmp_string_list_util_as_integral(const void *a_, const void *b_)
{
const struct string_list_item *a = a_, *b = b_;
@@ -300,8 +303,8 @@ static void credit_people(struct strbuf *out,
if (!them->nr ||
(them->nr == 1 &&
me &&
- (me = skip_prefix(me, them->items->string)) != NULL &&
- skip_prefix(me, " <")))
+ skip_prefix(me, them->items->string, &me) &&
+ starts_with(me, " <")))
return;
strbuf_addf(out, "\n%c %s ", comment_line_char, label);
add_people_count(out, them);
@@ -605,7 +608,7 @@ int fmt_merge_msg(struct strbuf *in, struct strbuf *out,
/* get current branch */
current_branch = current_branch_to_free =
- resolve_refdup("HEAD", head_sha1, 1, NULL);
+ resolve_refdup("HEAD", RESOLVE_REF_READING, head_sha1, NULL);
if (!current_branch)
die("No current branch");
if (starts_with(current_branch, "refs/heads/"))
diff --git a/builtin/for-each-ref.c b/builtin/for-each-ref.c
index 3e1d5c3..4e9f6c2 100644
--- a/builtin/for-each-ref.c
+++ b/builtin/for-each-ref.c
@@ -2,1076 +2,25 @@
#include "cache.h"
#include "refs.h"
#include "object.h"
-#include "tag.h"
-#include "commit.h"
-#include "tree.h"
-#include "blob.h"
-#include "quote.h"
#include "parse-options.h"
-#include "remote.h"
-#include "color.h"
-
-/* Quoting styles */
-#define QUOTE_NONE 0
-#define QUOTE_SHELL 1
-#define QUOTE_PERL 2
-#define QUOTE_PYTHON 4
-#define QUOTE_TCL 8
-
-typedef enum { FIELD_STR, FIELD_ULONG, FIELD_TIME } cmp_type;
-
-struct atom_value {
- const char *s;
- unsigned long ul; /* used for sorting when not FIELD_STR */
-};
-
-struct ref_sort {
- struct ref_sort *next;
- int atom; /* index into used_atom array */
- unsigned reverse : 1;
-};
-
-struct refinfo {
- char *refname;
- unsigned char objectname[20];
- int flag;
- const char *symref;
- struct atom_value *value;
-};
-
-static struct {
- const char *name;
- cmp_type cmp_type;
-} valid_atom[] = {
- { "refname" },
- { "objecttype" },
- { "objectsize", FIELD_ULONG },
- { "objectname" },
- { "tree" },
- { "parent" },
- { "numparent", FIELD_ULONG },
- { "object" },
- { "type" },
- { "tag" },
- { "author" },
- { "authorname" },
- { "authoremail" },
- { "authordate", FIELD_TIME },
- { "committer" },
- { "committername" },
- { "committeremail" },
- { "committerdate", FIELD_TIME },
- { "tagger" },
- { "taggername" },
- { "taggeremail" },
- { "taggerdate", FIELD_TIME },
- { "creator" },
- { "creatordate", FIELD_TIME },
- { "subject" },
- { "body" },
- { "contents" },
- { "contents:subject" },
- { "contents:body" },
- { "contents:signature" },
- { "upstream" },
- { "symref" },
- { "flag" },
- { "HEAD" },
- { "color" },
-};
-
-/*
- * An atom is a valid field atom listed above, possibly prefixed with
- * a "*" to denote deref_tag().
- *
- * We parse given format string and sort specifiers, and make a list
- * of properties that we need to extract out of objects. refinfo
- * structure will hold an array of values extracted that can be
- * indexed with the "atom number", which is an index into this
- * array.
- */
-static const char **used_atom;
-static cmp_type *used_atom_type;
-static int used_atom_cnt, need_tagged, need_symref;
-static int need_color_reset_at_eol;
-
-/*
- * Used to parse format string and sort specifiers
- */
-static int parse_atom(const char *atom, const char *ep)
-{
- const char *sp;
- int i, at;
-
- sp = atom;
- if (*sp == '*' && sp < ep)
- sp++; /* deref */
- if (ep <= sp)
- die("malformed field name: %.*s", (int)(ep-atom), atom);
-
- /* Do we have the atom already used elsewhere? */
- for (i = 0; i < used_atom_cnt; i++) {
- int len = strlen(used_atom[i]);
- if (len == ep - atom && !memcmp(used_atom[i], atom, len))
- return i;
- }
-
- /* Is the atom a valid one? */
- for (i = 0; i < ARRAY_SIZE(valid_atom); i++) {
- int len = strlen(valid_atom[i].name);
- /*
- * If the atom name has a colon, strip it and everything after
- * it off - it specifies the format for this entry, and
- * shouldn't be used for checking against the valid_atom
- * table.
- */
- const char *formatp = strchr(sp, ':');
- if (!formatp || ep < formatp)
- formatp = ep;
- if (len == formatp - sp && !memcmp(valid_atom[i].name, sp, len))
- break;
- }
-
- if (ARRAY_SIZE(valid_atom) <= i)
- die("unknown field name: %.*s", (int)(ep-atom), atom);
-
- /* Add it in, including the deref prefix */
- at = used_atom_cnt;
- used_atom_cnt++;
- used_atom = xrealloc(used_atom,
- (sizeof *used_atom) * used_atom_cnt);
- used_atom_type = xrealloc(used_atom_type,
- (sizeof(*used_atom_type) * used_atom_cnt));
- used_atom[at] = xmemdupz(atom, ep - atom);
- used_atom_type[at] = valid_atom[i].cmp_type;
- if (*atom == '*')
- need_tagged = 1;
- if (!strcmp(used_atom[at], "symref"))
- need_symref = 1;
- return at;
-}
-
-/*
- * In a format string, find the next occurrence of %(atom).
- */
-static const char *find_next(const char *cp)
-{
- while (*cp) {
- if (*cp == '%') {
- /*
- * %( is the start of an atom;
- * %% is a quoted per-cent.
- */
- if (cp[1] == '(')
- return cp;
- else if (cp[1] == '%')
- cp++; /* skip over two % */
- /* otherwise this is a singleton, literal % */
- }
- cp++;
- }
- return NULL;
-}
-
-/*
- * Make sure the format string is well formed, and parse out
- * the used atoms.
- */
-static int verify_format(const char *format)
-{
- const char *cp, *sp;
- static const char color_reset[] = "color:reset";
-
- need_color_reset_at_eol = 0;
- for (cp = format; *cp && (sp = find_next(cp)); ) {
- const char *ep = strchr(sp, ')');
- int at;
-
- if (!ep)
- return error("malformed format string %s", sp);
- /* sp points at "%(" and ep points at the closing ")" */
- at = parse_atom(sp + 2, ep);
- cp = ep + 1;
-
- if (!memcmp(used_atom[at], "color:", 6))
- need_color_reset_at_eol = !!strcmp(used_atom[at], color_reset);
- }
- return 0;
-}
-
-/*
- * Given an object name, read the object data and size, and return a
- * "struct object". If the object data we are returning is also borrowed
- * by the "struct object" representation, set *eaten as well---it is a
- * signal from parse_object_buffer to us not to free the buffer.
- */
-static void *get_obj(const unsigned char *sha1, struct object **obj, unsigned long *sz, int *eaten)
-{
- enum object_type type;
- void *buf = read_sha1_file(sha1, &type, sz);
-
- if (buf)
- *obj = parse_object_buffer(sha1, type, *sz, buf, eaten);
- else
- *obj = NULL;
- return buf;
-}
-
-static int grab_objectname(const char *name, const unsigned char *sha1,
- struct atom_value *v)
-{
- if (!strcmp(name, "objectname")) {
- char *s = xmalloc(41);
- strcpy(s, sha1_to_hex(sha1));
- v->s = s;
- return 1;
- }
- if (!strcmp(name, "objectname:short")) {
- v->s = xstrdup(find_unique_abbrev(sha1, DEFAULT_ABBREV));
- return 1;
- }
- return 0;
-}
-
-/* See grab_values */
-static void grab_common_values(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
-{
- int i;
-
- for (i = 0; i < used_atom_cnt; i++) {
- const char *name = used_atom[i];
- struct atom_value *v = &val[i];
- if (!!deref != (*name == '*'))
- continue;
- if (deref)
- name++;
- if (!strcmp(name, "objecttype"))
- v->s = typename(obj->type);
- else if (!strcmp(name, "objectsize")) {
- char *s = xmalloc(40);
- sprintf(s, "%lu", sz);
- v->ul = sz;
- v->s = s;
- }
- else if (deref)
- grab_objectname(name, obj->sha1, v);
- }
-}
-
-/* See grab_values */
-static void grab_tag_values(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
-{
- int i;
- struct tag *tag = (struct tag *) obj;
-
- for (i = 0; i < used_atom_cnt; i++) {
- const char *name = used_atom[i];
- struct atom_value *v = &val[i];
- if (!!deref != (*name == '*'))
- continue;
- if (deref)
- name++;
- if (!strcmp(name, "tag"))
- v->s = tag->tag;
- else if (!strcmp(name, "type") && tag->tagged)
- v->s = typename(tag->tagged->type);
- else if (!strcmp(name, "object") && tag->tagged) {
- char *s = xmalloc(41);
- strcpy(s, sha1_to_hex(tag->tagged->sha1));
- v->s = s;
- }
- }
-}
-
-static int num_parents(struct commit *commit)
-{
- struct commit_list *parents;
- int i;
-
- for (i = 0, parents = commit->parents;
- parents;
- parents = parents->next)
- i++;
- return i;
-}
-
-/* See grab_values */
-static void grab_commit_values(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
-{
- int i;
- struct commit *commit = (struct commit *) obj;
-
- for (i = 0; i < used_atom_cnt; i++) {
- const char *name = used_atom[i];
- struct atom_value *v = &val[i];
- if (!!deref != (*name == '*'))
- continue;
- if (deref)
- name++;
- if (!strcmp(name, "tree")) {
- char *s = xmalloc(41);
- strcpy(s, sha1_to_hex(commit->tree->object.sha1));
- v->s = s;
- }
- if (!strcmp(name, "numparent")) {
- char *s = xmalloc(40);
- v->ul = num_parents(commit);
- sprintf(s, "%lu", v->ul);
- v->s = s;
- }
- else if (!strcmp(name, "parent")) {
- int num = num_parents(commit);
- int i;
- struct commit_list *parents;
- char *s = xmalloc(41 * num + 1);
- v->s = s;
- for (i = 0, parents = commit->parents;
- parents;
- parents = parents->next, i = i + 41) {
- struct commit *parent = parents->item;
- strcpy(s+i, sha1_to_hex(parent->object.sha1));
- if (parents->next)
- s[i+40] = ' ';
- }
- if (!i)
- *s = '\0';
- }
- }
-}
-
-static const char *find_wholine(const char *who, int wholen, const char *buf, unsigned long sz)
-{
- const char *eol;
- while (*buf) {
- if (!strncmp(buf, who, wholen) &&
- buf[wholen] == ' ')
- return buf + wholen + 1;
- eol = strchr(buf, '\n');
- if (!eol)
- return "";
- eol++;
- if (*eol == '\n')
- return ""; /* end of header */
- buf = eol;
- }
- return "";
-}
-
-static const char *copy_line(const char *buf)
-{
- const char *eol = strchrnul(buf, '\n');
- return xmemdupz(buf, eol - buf);
-}
-
-static const char *copy_name(const char *buf)
-{
- const char *cp;
- for (cp = buf; *cp && *cp != '\n'; cp++) {
- if (!strncmp(cp, " <", 2))
- return xmemdupz(buf, cp - buf);
- }
- return "";
-}
-
-static const char *copy_email(const char *buf)
-{
- const char *email = strchr(buf, '<');
- const char *eoemail;
- if (!email)
- return "";
- eoemail = strchr(email, '>');
- if (!eoemail)
- return "";
- return xmemdupz(email, eoemail + 1 - email);
-}
-
-static char *copy_subject(const char *buf, unsigned long len)
-{
- char *r = xmemdupz(buf, len);
- int i;
-
- for (i = 0; i < len; i++)
- if (r[i] == '\n')
- r[i] = ' ';
-
- return r;
-}
-
-static void grab_date(const char *buf, struct atom_value *v, const char *atomname)
-{
- const char *eoemail = strstr(buf, "> ");
- char *zone;
- unsigned long timestamp;
- long tz;
- enum date_mode date_mode = DATE_NORMAL;
- const char *formatp;
-
- /*
- * We got here because atomname ends in "date" or "date<something>";
- * it's not possible that <something> is not ":<format>" because
- * parse_atom() wouldn't have allowed it, so we can assume that no
- * ":" means no format is specified, and use the default.
- */
- formatp = strchr(atomname, ':');
- if (formatp != NULL) {
- formatp++;
- date_mode = parse_date_format(formatp);
- }
-
- if (!eoemail)
- goto bad;
- timestamp = strtoul(eoemail + 2, &zone, 10);
- if (timestamp == ULONG_MAX)
- goto bad;
- tz = strtol(zone, NULL, 10);
- if ((tz == LONG_MIN || tz == LONG_MAX) && errno == ERANGE)
- goto bad;
- v->s = xstrdup(show_date(timestamp, tz, date_mode));
- v->ul = timestamp;
- return;
- bad:
- v->s = "";
- v->ul = 0;
-}
-
-/* See grab_values */
-static void grab_person(const char *who, struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
-{
- int i;
- int wholen = strlen(who);
- const char *wholine = NULL;
-
- for (i = 0; i < used_atom_cnt; i++) {
- const char *name = used_atom[i];
- struct atom_value *v = &val[i];
- if (!!deref != (*name == '*'))
- continue;
- if (deref)
- name++;
- if (strncmp(who, name, wholen))
- continue;
- if (name[wholen] != 0 &&
- strcmp(name + wholen, "name") &&
- strcmp(name + wholen, "email") &&
- !starts_with(name + wholen, "date"))
- continue;
- if (!wholine)
- wholine = find_wholine(who, wholen, buf, sz);
- if (!wholine)
- return; /* no point looking for it */
- if (name[wholen] == 0)
- v->s = copy_line(wholine);
- else if (!strcmp(name + wholen, "name"))
- v->s = copy_name(wholine);
- else if (!strcmp(name + wholen, "email"))
- v->s = copy_email(wholine);
- else if (starts_with(name + wholen, "date"))
- grab_date(wholine, v, name);
- }
-
- /*
- * For a tag or a commit object, if "creator" or "creatordate" is
- * requested, do something special.
- */
- if (strcmp(who, "tagger") && strcmp(who, "committer"))
- return; /* "author" for commit object is not wanted */
- if (!wholine)
- wholine = find_wholine(who, wholen, buf, sz);
- if (!wholine)
- return;
- for (i = 0; i < used_atom_cnt; i++) {
- const char *name = used_atom[i];
- struct atom_value *v = &val[i];
- if (!!deref != (*name == '*'))
- continue;
- if (deref)
- name++;
-
- if (starts_with(name, "creatordate"))
- grab_date(wholine, v, name);
- else if (!strcmp(name, "creator"))
- v->s = copy_line(wholine);
- }
-}
-
-static void find_subpos(const char *buf, unsigned long sz,
- const char **sub, unsigned long *sublen,
- const char **body, unsigned long *bodylen,
- unsigned long *nonsiglen,
- const char **sig, unsigned long *siglen)
-{
- const char *eol;
- /* skip past header until we hit empty line */
- while (*buf && *buf != '\n') {
- eol = strchrnul(buf, '\n');
- if (*eol)
- eol++;
- buf = eol;
- }
- /* skip any empty lines */
- while (*buf == '\n')
- buf++;
-
- /* parse signature first; we might not even have a subject line */
- *sig = buf + parse_signature(buf, strlen(buf));
- *siglen = strlen(*sig);
-
- /* subject is first non-empty line */
- *sub = buf;
- /* subject goes to first empty line */
- while (buf < *sig && *buf && *buf != '\n') {
- eol = strchrnul(buf, '\n');
- if (*eol)
- eol++;
- buf = eol;
- }
- *sublen = buf - *sub;
- /* drop trailing newline, if present */
- if (*sublen && (*sub)[*sublen - 1] == '\n')
- *sublen -= 1;
-
- /* skip any empty lines */
- while (*buf == '\n')
- buf++;
- *body = buf;
- *bodylen = strlen(buf);
- *nonsiglen = *sig - buf;
-}
-
-/* See grab_values */
-static void grab_sub_body_contents(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
-{
- int i;
- const char *subpos = NULL, *bodypos = NULL, *sigpos = NULL;
- unsigned long sublen = 0, bodylen = 0, nonsiglen = 0, siglen = 0;
-
- for (i = 0; i < used_atom_cnt; i++) {
- const char *name = used_atom[i];
- struct atom_value *v = &val[i];
- if (!!deref != (*name == '*'))
- continue;
- if (deref)
- name++;
- if (strcmp(name, "subject") &&
- strcmp(name, "body") &&
- strcmp(name, "contents") &&
- strcmp(name, "contents:subject") &&
- strcmp(name, "contents:body") &&
- strcmp(name, "contents:signature"))
- continue;
- if (!subpos)
- find_subpos(buf, sz,
- &subpos, &sublen,
- &bodypos, &bodylen, &nonsiglen,
- &sigpos, &siglen);
-
- if (!strcmp(name, "subject"))
- v->s = copy_subject(subpos, sublen);
- else if (!strcmp(name, "contents:subject"))
- v->s = copy_subject(subpos, sublen);
- else if (!strcmp(name, "body"))
- v->s = xmemdupz(bodypos, bodylen);
- else if (!strcmp(name, "contents:body"))
- v->s = xmemdupz(bodypos, nonsiglen);
- else if (!strcmp(name, "contents:signature"))
- v->s = xmemdupz(sigpos, siglen);
- else if (!strcmp(name, "contents"))
- v->s = xstrdup(subpos);
- }
-}
-
-/*
- * We want to have empty print-string for field requests
- * that do not apply (e.g. "authordate" for a tag object)
- */
-static void fill_missing_values(struct atom_value *val)
-{
- int i;
- for (i = 0; i < used_atom_cnt; i++) {
- struct atom_value *v = &val[i];
- if (v->s == NULL)
- v->s = "";
- }
-}
-
-/*
- * val is a list of atom_value to hold returned values. Extract
- * the values for atoms in used_atom array out of (obj, buf, sz).
- * when deref is false, (obj, buf, sz) is the object that is
- * pointed at by the ref itself; otherwise it is the object the
- * ref (which is a tag) refers to.
- */
-static void grab_values(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
-{
- grab_common_values(val, deref, obj, buf, sz);
- switch (obj->type) {
- case OBJ_TAG:
- grab_tag_values(val, deref, obj, buf, sz);
- grab_sub_body_contents(val, deref, obj, buf, sz);
- grab_person("tagger", val, deref, obj, buf, sz);
- break;
- case OBJ_COMMIT:
- grab_commit_values(val, deref, obj, buf, sz);
- grab_sub_body_contents(val, deref, obj, buf, sz);
- grab_person("author", val, deref, obj, buf, sz);
- grab_person("committer", val, deref, obj, buf, sz);
- break;
- case OBJ_TREE:
- /* grab_tree_values(val, deref, obj, buf, sz); */
- break;
- case OBJ_BLOB:
- /* grab_blob_values(val, deref, obj, buf, sz); */
- break;
- default:
- die("Eh? Object of type %d?", obj->type);
- }
-}
-
-static inline char *copy_advance(char *dst, const char *src)
-{
- while (*src)
- *dst++ = *src++;
- return dst;
-}
-
-/*
- * Parse the object referred by ref, and grab needed value.
- */
-static void populate_value(struct refinfo *ref)
-{
- void *buf;
- struct object *obj;
- int eaten, i;
- unsigned long size;
- const unsigned char *tagged;
-
- ref->value = xcalloc(sizeof(struct atom_value), used_atom_cnt);
-
- if (need_symref && (ref->flag & REF_ISSYMREF) && !ref->symref) {
- unsigned char unused1[20];
- ref->symref = resolve_refdup(ref->refname, unused1, 1, NULL);
- if (!ref->symref)
- ref->symref = "";
- }
-
- /* Fill in specials first */
- for (i = 0; i < used_atom_cnt; i++) {
- const char *name = used_atom[i];
- struct atom_value *v = &ref->value[i];
- int deref = 0;
- const char *refname;
- const char *formatp;
- struct branch *branch = NULL;
-
- if (*name == '*') {
- deref = 1;
- name++;
- }
-
- if (starts_with(name, "refname"))
- refname = ref->refname;
- else if (starts_with(name, "symref"))
- refname = ref->symref ? ref->symref : "";
- else if (starts_with(name, "upstream")) {
- /* only local branches may have an upstream */
- if (!starts_with(ref->refname, "refs/heads/"))
- continue;
- branch = branch_get(ref->refname + 11);
-
- if (!branch || !branch->merge || !branch->merge[0] ||
- !branch->merge[0]->dst)
- continue;
- refname = branch->merge[0]->dst;
- } else if (starts_with(name, "color:")) {
- char color[COLOR_MAXLEN] = "";
-
- color_parse(name + 6, "--format", color);
- v->s = xstrdup(color);
- continue;
- } else if (!strcmp(name, "flag")) {
- char buf[256], *cp = buf;
- if (ref->flag & REF_ISSYMREF)
- cp = copy_advance(cp, ",symref");
- if (ref->flag & REF_ISPACKED)
- cp = copy_advance(cp, ",packed");
- if (cp == buf)
- v->s = "";
- else {
- *cp = '\0';
- v->s = xstrdup(buf + 1);
- }
- continue;
- } else if (!deref && grab_objectname(name, ref->objectname, v)) {
- continue;
- } else if (!strcmp(name, "HEAD")) {
- const char *head;
- unsigned char sha1[20];
-
- head = resolve_ref_unsafe("HEAD", sha1, 1, NULL);
- if (!strcmp(ref->refname, head))
- v->s = "*";
- else
- v->s = " ";
- continue;
- } else
- continue;
-
- formatp = strchr(name, ':');
- if (formatp) {
- int num_ours, num_theirs;
-
- formatp++;
- if (!strcmp(formatp, "short"))
- refname = shorten_unambiguous_ref(refname,
- warn_ambiguous_refs);
- else if (!strcmp(formatp, "track") &&
- starts_with(name, "upstream")) {
- char buf[40];
-
- stat_tracking_info(branch, &num_ours, &num_theirs);
- if (!num_ours && !num_theirs)
- v->s = "";
- else if (!num_ours) {
- sprintf(buf, "[behind %d]", num_theirs);
- v->s = xstrdup(buf);
- } else if (!num_theirs) {
- sprintf(buf, "[ahead %d]", num_ours);
- v->s = xstrdup(buf);
- } else {
- sprintf(buf, "[ahead %d, behind %d]",
- num_ours, num_theirs);
- v->s = xstrdup(buf);
- }
- continue;
- } else if (!strcmp(formatp, "trackshort") &&
- starts_with(name, "upstream")) {
- assert(branch);
- stat_tracking_info(branch, &num_ours, &num_theirs);
- if (!num_ours && !num_theirs)
- v->s = "=";
- else if (!num_ours)
- v->s = "<";
- else if (!num_theirs)
- v->s = ">";
- else
- v->s = "<>";
- continue;
- } else
- die("unknown %.*s format %s",
- (int)(formatp - name), name, formatp);
- }
-
- if (!deref)
- v->s = refname;
- else {
- int len = strlen(refname);
- char *s = xmalloc(len + 4);
- sprintf(s, "%s^{}", refname);
- v->s = s;
- }
- }
-
- for (i = 0; i < used_atom_cnt; i++) {
- struct atom_value *v = &ref->value[i];
- if (v->s == NULL)
- goto need_obj;
- }
- return;
-
- need_obj:
- buf = get_obj(ref->objectname, &obj, &size, &eaten);
- if (!buf)
- die("missing object %s for %s",
- sha1_to_hex(ref->objectname), ref->refname);
- if (!obj)
- die("parse_object_buffer failed on %s for %s",
- sha1_to_hex(ref->objectname), ref->refname);
-
- grab_values(ref->value, 0, obj, buf, size);
- if (!eaten)
- free(buf);
-
- /*
- * If there is no atom that wants to know about tagged
- * object, we are done.
- */
- if (!need_tagged || (obj->type != OBJ_TAG))
- return;
-
- /*
- * If it is a tag object, see if we use a value that derefs
- * the object, and if we do grab the object it refers to.
- */
- tagged = ((struct tag *)obj)->tagged->sha1;
-
- /*
- * NEEDSWORK: This derefs tag only once, which
- * is good to deal with chains of trust, but
- * is not consistent with what deref_tag() does
- * which peels the onion to the core.
- */
- buf = get_obj(tagged, &obj, &size, &eaten);
- if (!buf)
- die("missing object %s for %s",
- sha1_to_hex(tagged), ref->refname);
- if (!obj)
- die("parse_object_buffer failed on %s for %s",
- sha1_to_hex(tagged), ref->refname);
- grab_values(ref->value, 1, obj, buf, size);
- if (!eaten)
- free(buf);
-}
-
-/*
- * Given a ref, return the value for the atom. This lazily gets value
- * out of the object by calling populate value.
- */
-static void get_value(struct refinfo *ref, int atom, struct atom_value **v)
-{
- if (!ref->value) {
- populate_value(ref);
- fill_missing_values(ref->value);
- }
- *v = &ref->value[atom];
-}
-
-struct grab_ref_cbdata {
- struct refinfo **grab_array;
- const char **grab_pattern;
- int grab_cnt;
-};
-
-/*
- * A call-back given to for_each_ref(). Filter refs and keep them for
- * later object processing.
- */
-static int grab_single_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data)
-{
- struct grab_ref_cbdata *cb = cb_data;
- struct refinfo *ref;
- int cnt;
-
- if (*cb->grab_pattern) {
- const char **pattern;
- int namelen = strlen(refname);
- for (pattern = cb->grab_pattern; *pattern; pattern++) {
- const char *p = *pattern;
- int plen = strlen(p);
-
- if ((plen <= namelen) &&
- !strncmp(refname, p, plen) &&
- (refname[plen] == '\0' ||
- refname[plen] == '/' ||
- p[plen-1] == '/'))
- break;
- if (!wildmatch(p, refname, WM_PATHNAME, NULL))
- break;
- }
- if (!*pattern)
- return 0;
- }
-
- /*
- * We do not open the object yet; sort may only need refname
- * to do its job and the resulting list may yet to be pruned
- * by maxcount logic.
- */
- ref = xcalloc(1, sizeof(*ref));
- ref->refname = xstrdup(refname);
- hashcpy(ref->objectname, sha1);
- ref->flag = flag;
-
- cnt = cb->grab_cnt;
- cb->grab_array = xrealloc(cb->grab_array,
- sizeof(*cb->grab_array) * (cnt + 1));
- cb->grab_array[cnt++] = ref;
- cb->grab_cnt = cnt;
- return 0;
-}
-
-static int cmp_ref_sort(struct ref_sort *s, struct refinfo *a, struct refinfo *b)
-{
- struct atom_value *va, *vb;
- int cmp;
- cmp_type cmp_type = used_atom_type[s->atom];
-
- get_value(a, s->atom, &va);
- get_value(b, s->atom, &vb);
- switch (cmp_type) {
- case FIELD_STR:
- cmp = strcmp(va->s, vb->s);
- break;
- default:
- if (va->ul < vb->ul)
- cmp = -1;
- else if (va->ul == vb->ul)
- cmp = 0;
- else
- cmp = 1;
- break;
- }
- return (s->reverse) ? -cmp : cmp;
-}
-
-static struct ref_sort *ref_sort;
-static int compare_refs(const void *a_, const void *b_)
-{
- struct refinfo *a = *((struct refinfo **)a_);
- struct refinfo *b = *((struct refinfo **)b_);
- struct ref_sort *s;
-
- for (s = ref_sort; s; s = s->next) {
- int cmp = cmp_ref_sort(s, a, b);
- if (cmp)
- return cmp;
- }
- return 0;
-}
-
-static void sort_refs(struct ref_sort *sort, struct refinfo **refs, int num_refs)
-{
- ref_sort = sort;
- qsort(refs, num_refs, sizeof(struct refinfo *), compare_refs);
-}
-
-static void print_value(struct atom_value *v, int quote_style)
-{
- struct strbuf sb = STRBUF_INIT;
- switch (quote_style) {
- case QUOTE_NONE:
- fputs(v->s, stdout);
- break;
- case QUOTE_SHELL:
- sq_quote_buf(&sb, v->s);
- break;
- case QUOTE_PERL:
- perl_quote_buf(&sb, v->s);
- break;
- case QUOTE_PYTHON:
- python_quote_buf(&sb, v->s);
- break;
- case QUOTE_TCL:
- tcl_quote_buf(&sb, v->s);
- break;
- }
- if (quote_style != QUOTE_NONE) {
- fputs(sb.buf, stdout);
- strbuf_release(&sb);
- }
-}
-
-static int hex1(char ch)
-{
- if ('0' <= ch && ch <= '9')
- return ch - '0';
- else if ('a' <= ch && ch <= 'f')
- return ch - 'a' + 10;
- else if ('A' <= ch && ch <= 'F')
- return ch - 'A' + 10;
- return -1;
-}
-static int hex2(const char *cp)
-{
- if (cp[0] && cp[1])
- return (hex1(cp[0]) << 4) | hex1(cp[1]);
- else
- return -1;
-}
-
-static void emit(const char *cp, const char *ep)
-{
- while (*cp && (!ep || cp < ep)) {
- if (*cp == '%') {
- if (cp[1] == '%')
- cp++;
- else {
- int ch = hex2(cp + 1);
- if (0 <= ch) {
- putchar(ch);
- cp += 3;
- continue;
- }
- }
- }
- putchar(*cp);
- cp++;
- }
-}
-
-static void show_ref(struct refinfo *info, const char *format, int quote_style)
-{
- const char *cp, *sp, *ep;
-
- for (cp = format; *cp && (sp = find_next(cp)); cp = ep + 1) {
- struct atom_value *atomv;
-
- ep = strchr(sp, ')');
- if (cp < sp)
- emit(cp, sp);
- get_value(info, parse_atom(sp + 2, ep), &atomv);
- print_value(atomv, quote_style);
- }
- if (*cp) {
- sp = cp + strlen(cp);
- emit(cp, sp);
- }
- if (need_color_reset_at_eol) {
- struct atom_value resetv;
- char color[COLOR_MAXLEN] = "";
-
- color_parse("reset", "--format", color);
- resetv.s = color;
- print_value(&resetv, quote_style);
- }
- putchar('\n');
-}
-
-static struct ref_sort *default_sort(void)
-{
- static const char cstr_name[] = "refname";
-
- struct ref_sort *sort = xcalloc(1, sizeof(*sort));
-
- sort->next = NULL;
- sort->atom = parse_atom(cstr_name, cstr_name + strlen(cstr_name));
- return sort;
-}
-
-static int opt_parse_sort(const struct option *opt, const char *arg, int unset)
-{
- struct ref_sort **sort_tail = opt->value;
- struct ref_sort *s;
- int len;
-
- if (!arg) /* should --no-sort void the list ? */
- return -1;
-
- s = xcalloc(1, sizeof(*s));
- s->next = *sort_tail;
- *sort_tail = s;
-
- if (*arg == '-') {
- s->reverse = 1;
- arg++;
- }
- len = strlen(arg);
- s->atom = parse_atom(arg, arg+len);
- return 0;
-}
+#include "ref-filter.h"
static char const * const for_each_ref_usage[] = {
- N_("git for-each-ref [options] [<pattern>]"),
+ N_("git for-each-ref [<options>] [<pattern>]"),
+ N_("git for-each-ref [--points-at <object>]"),
+ N_("git for-each-ref [(--merged | --no-merged) [<object>]]"),
+ N_("git for-each-ref [--contains [<object>]]"),
NULL
};
int cmd_for_each_ref(int argc, const char **argv, const char *prefix)
{
- int i, num_refs;
+ int i;
const char *format = "%(objectname) %(objecttype)\t%(refname)";
- struct ref_sort *sort = NULL, **sort_tail = &sort;
+ struct ref_sorting *sorting = NULL, **sorting_tail = &sorting;
int maxcount = 0, quote_style = 0;
- struct refinfo **refs;
- struct grab_ref_cbdata cbdata;
+ struct ref_array array;
+ struct ref_filter filter;
struct option opts[] = {
OPT_BIT('s', "shell", &quote_style,
@@ -1081,16 +30,25 @@ int cmd_for_each_ref(int argc, const char **argv, const char *prefix)
OPT_BIT(0 , "python", &quote_style,
N_("quote placeholders suitably for python"), QUOTE_PYTHON),
OPT_BIT(0 , "tcl", &quote_style,
- N_("quote placeholders suitably for tcl"), QUOTE_TCL),
+ N_("quote placeholders suitably for Tcl"), QUOTE_TCL),
OPT_GROUP(""),
OPT_INTEGER( 0 , "count", &maxcount, N_("show only <n> matched refs")),
OPT_STRING( 0 , "format", &format, N_("format"), N_("format to use for the output")),
- OPT_CALLBACK(0 , "sort", sort_tail, N_("key"),
- N_("field name to sort on"), &opt_parse_sort),
+ OPT_CALLBACK(0 , "sort", sorting_tail, N_("key"),
+ N_("field name to sort on"), &parse_opt_ref_sorting),
+ OPT_CALLBACK(0, "points-at", &filter.points_at,
+ N_("object"), N_("print only refs which points at the given object"),
+ parse_opt_object_name),
+ OPT_MERGED(&filter, N_("print only refs that are merged")),
+ OPT_NO_MERGED(&filter, N_("print only refs that are not merged")),
+ OPT_CONTAINS(&filter.with_commit, N_("print only refs which contain the commit")),
OPT_END(),
};
+ memset(&array, 0, sizeof(array));
+ memset(&filter, 0, sizeof(filter));
+
parse_options(argc, argv, prefix, opts, for_each_ref_usage, 0);
if (maxcount < 0) {
error("invalid --count argument: `%d'", maxcount);
@@ -1100,26 +58,24 @@ int cmd_for_each_ref(int argc, const char **argv, const char *prefix)
error("more than one quoting style?");
usage_with_options(for_each_ref_usage, opts);
}
- if (verify_format(format))
+ if (verify_ref_format(format))
usage_with_options(for_each_ref_usage, opts);
- if (!sort)
- sort = default_sort();
+ if (!sorting)
+ sorting = ref_default_sorting();
/* for warn_ambiguous_refs */
git_config(git_default_config, NULL);
- memset(&cbdata, 0, sizeof(cbdata));
- cbdata.grab_pattern = argv;
- for_each_rawref(grab_single_ref, &cbdata);
- refs = cbdata.grab_array;
- num_refs = cbdata.grab_cnt;
-
- sort_refs(sort, refs, num_refs);
+ filter.name_patterns = argv;
+ filter.match_as_path = 1;
+ filter_refs(&array, &filter, FILTER_REFS_ALL | FILTER_REFS_INCLUDE_BROKEN);
+ ref_array_sort(sorting, &array);
- if (!maxcount || num_refs < maxcount)
- maxcount = num_refs;
+ if (!maxcount || array.nr < maxcount)
+ maxcount = array.nr;
for (i = 0; i < maxcount; i++)
- show_ref(refs[i], format, quote_style);
+ show_ref_array_item(array.items[i], format, quote_style);
+ ref_array_clear(&array);
return 0;
}
diff --git a/builtin/fsck.c b/builtin/fsck.c
index 8aadca1..0794703 100644
--- a/builtin/fsck.c
+++ b/builtin/fsck.c
@@ -23,9 +23,12 @@ static int show_tags;
static int show_unreachable;
static int include_reflogs = 1;
static int check_full = 1;
+static int connectivity_only;
static int check_strict;
static int keep_cache_objects;
-static unsigned char head_sha1[20];
+static struct fsck_options fsck_walk_options = FSCK_OPTIONS_DEFAULT;
+static struct fsck_options fsck_obj_options = FSCK_OPTIONS_DEFAULT;
+static struct object_id head_oid;
static const char *head_points_at;
static int errors_found;
static int write_lost_and_found;
@@ -44,39 +47,52 @@ static int show_dangling = 1;
#define DIRENT_SORT_HINT(de) ((de)->d_ino)
#endif
-static void objreport(struct object *obj, const char *severity,
- const char *err, va_list params)
+static int fsck_config(const char *var, const char *value, void *cb)
{
- fprintf(stderr, "%s in %s %s: ",
- severity, typename(obj->type), sha1_to_hex(obj->sha1));
- vfprintf(stderr, err, params);
- fputs("\n", stderr);
+ if (strcmp(var, "fsck.skiplist") == 0) {
+ const char *path;
+ struct strbuf sb = STRBUF_INIT;
+
+ if (git_config_pathname(&path, var, value))
+ return 1;
+ strbuf_addf(&sb, "skiplist=%s", path);
+ free((char *)path);
+ fsck_set_msg_types(&fsck_obj_options, sb.buf);
+ strbuf_release(&sb);
+ return 0;
+ }
+
+ if (skip_prefix(var, "fsck.", &var)) {
+ fsck_set_msg_type(&fsck_obj_options, var, value);
+ return 0;
+ }
+
+ return git_default_config(var, value, cb);
+}
+
+static void objreport(struct object *obj, const char *msg_type,
+ const char *err)
+{
+ fprintf(stderr, "%s in %s %s: %s\n",
+ msg_type, typename(obj->type), sha1_to_hex(obj->sha1), err);
}
-__attribute__((format (printf, 2, 3)))
-static int objerror(struct object *obj, const char *err, ...)
+static int objerror(struct object *obj, const char *err)
{
- va_list params;
- va_start(params, err);
errors_found |= ERROR_OBJECT;
- objreport(obj, "error", err, params);
- va_end(params);
+ objreport(obj, "error", err);
return -1;
}
-__attribute__((format (printf, 3, 4)))
-static int fsck_error_func(struct object *obj, int type, const char *err, ...)
+static int fsck_error_func(struct object *obj, int type, const char *message)
{
- va_list params;
- va_start(params, err);
- objreport(obj, (type == FSCK_WARN) ? "warning" : "error", err, params);
- va_end(params);
+ objreport(obj, (type == FSCK_WARN) ? "warning" : "error", message);
return (type == FSCK_WARN) ? 0 : 1;
}
static struct object_array pending;
-static int mark_object(struct object *obj, int type, void *data)
+static int mark_object(struct object *obj, int type, void *data, struct fsck_options *options)
{
struct object *parent = data;
@@ -119,7 +135,7 @@ static int mark_object(struct object *obj, int type, void *data)
static void mark_object_reachable(struct object *obj)
{
- mark_object(obj, OBJ_ANY, NULL);
+ mark_object(obj, OBJ_ANY, NULL, NULL);
}
static int traverse_one_object(struct object *obj)
@@ -132,7 +148,7 @@ static int traverse_one_object(struct object *obj)
if (parse_tree(tree) < 0)
return 1; /* error already displayed */
}
- result = fsck_walk(obj, mark_object, obj);
+ result = fsck_walk(obj, obj, &fsck_walk_options);
if (tree)
free_tree_buffer(tree);
return result;
@@ -158,7 +174,7 @@ static int traverse_reachable(void)
return !!result;
}
-static int mark_used(struct object *obj, int type, void *data)
+static int mark_used(struct object *obj, int type, void *data, struct fsck_options *options)
{
if (!obj)
return 1;
@@ -179,6 +195,8 @@ static void check_reachable_object(struct object *obj)
if (!(obj->flags & HAS_OBJ)) {
if (has_sha1_pack(obj->sha1))
return; /* it is in pack - forget about it */
+ if (connectivity_only && has_sha1_file(obj->sha1))
+ return;
printf("missing %s %s\n", typename(obj->type), sha1_to_hex(obj->sha1));
errors_found |= ERROR_REACHABLE;
return;
@@ -225,13 +243,14 @@ static void check_unreachable_object(struct object *obj)
printf("dangling %s %s\n", typename(obj->type),
sha1_to_hex(obj->sha1));
if (write_lost_and_found) {
- char *filename = git_path("lost-found/%s/%s",
+ char *filename = git_pathdup("lost-found/%s/%s",
obj->type == OBJ_COMMIT ? "commit" : "other",
sha1_to_hex(obj->sha1));
FILE *f;
- if (safe_create_leading_directories(filename)) {
+ if (safe_create_leading_directories_const(filename)) {
error("Could not create lost-found");
+ free(filename);
return;
}
if (!(f = fopen(filename, "w")))
@@ -244,6 +263,7 @@ static void check_unreachable_object(struct object *obj)
if (fclose(f))
die_errno("Could not finish '%s'",
filename);
+ free(filename);
}
return;
}
@@ -296,9 +316,9 @@ static int fsck_obj(struct object *obj)
fprintf(stderr, "Checking %s %s\n",
typename(obj->type), sha1_to_hex(obj->sha1));
- if (fsck_walk(obj, mark_used, NULL))
+ if (fsck_walk(obj, NULL, &fsck_obj_options))
objerror(obj, "broken links");
- if (fsck_object(obj, check_strict, fsck_error_func))
+ if (fsck_object(obj, NULL, 0, &fsck_obj_options))
return -1;
if (obj->type == OBJ_TREE) {
@@ -388,7 +408,8 @@ static void fsck_sha1_list(void)
unsigned char *sha1 = entry->sha1;
sha1_list.entry[i] = NULL;
- fsck_sha1(sha1);
+ if (fsck_sha1(sha1))
+ errors_found |= ERROR_OBJECT;
free(entry);
}
sha1_list.nr = 0;
@@ -450,49 +471,53 @@ static void fsck_dir(int i, char *path)
static int default_refs;
-static int fsck_handle_reflog_ent(unsigned char *osha1, unsigned char *nsha1,
- const char *email, unsigned long timestamp, int tz,
- const char *message, void *cb_data)
+static void fsck_handle_reflog_sha1(const char *refname, unsigned char *sha1)
{
struct object *obj;
- if (verbose)
- fprintf(stderr, "Checking reflog %s->%s\n",
- sha1_to_hex(osha1), sha1_to_hex(nsha1));
-
- if (!is_null_sha1(osha1)) {
- obj = lookup_object(osha1);
+ if (!is_null_sha1(sha1)) {
+ obj = lookup_object(sha1);
if (obj) {
obj->used = 1;
mark_object_reachable(obj);
+ } else {
+ error("%s: invalid reflog entry %s", refname, sha1_to_hex(sha1));
+ errors_found |= ERROR_REACHABLE;
}
}
- obj = lookup_object(nsha1);
- if (obj) {
- obj->used = 1;
- mark_object_reachable(obj);
- }
- return 0;
}
-static int fsck_handle_reflog(const char *logname, const unsigned char *sha1, int flag, void *cb_data)
+static int fsck_handle_reflog_ent(unsigned char *osha1, unsigned char *nsha1,
+ const char *email, unsigned long timestamp, int tz,
+ const char *message, void *cb_data)
{
- for_each_reflog_ent(logname, fsck_handle_reflog_ent, NULL);
+ const char *refname = cb_data;
+
+ if (verbose)
+ fprintf(stderr, "Checking reflog %s->%s\n",
+ sha1_to_hex(osha1), sha1_to_hex(nsha1));
+
+ fsck_handle_reflog_sha1(refname, osha1);
+ fsck_handle_reflog_sha1(refname, nsha1);
return 0;
}
-static int is_branch(const char *refname)
+static int fsck_handle_reflog(const char *logname, const struct object_id *oid,
+ int flag, void *cb_data)
{
- return !strcmp(refname, "HEAD") || starts_with(refname, "refs/heads/");
+ for_each_reflog_ent(logname, fsck_handle_reflog_ent, (void *)logname);
+ return 0;
}
-static int fsck_handle_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data)
+static int fsck_handle_ref(const char *refname, const struct object_id *oid,
+ int flag, void *cb_data)
{
struct object *obj;
- obj = parse_object(sha1);
+ obj = parse_object(oid->hash);
if (!obj) {
- error("%s: invalid sha1 pointer %s", refname, sha1_to_hex(sha1));
+ error("%s: invalid sha1 pointer %s", refname, oid_to_hex(oid));
+ errors_found |= ERROR_REACHABLE;
/* We'll continue with the rest despite the error.. */
return 0;
}
@@ -507,9 +532,9 @@ static int fsck_handle_ref(const char *refname, const unsigned char *sha1, int f
static void get_default_heads(void)
{
- if (head_points_at && !is_null_sha1(head_sha1))
- fsck_handle_ref("HEAD", head_sha1, 0, NULL);
- for_each_ref(fsck_handle_ref, NULL);
+ if (head_points_at && !is_null_oid(&head_oid))
+ fsck_handle_ref("HEAD", &head_oid, 0, NULL);
+ for_each_rawref(fsck_handle_ref, NULL);
if (include_reflogs)
for_each_reflog(fsck_handle_reflog, NULL);
@@ -559,7 +584,7 @@ static int fsck_head_link(void)
if (verbose)
fprintf(stderr, "Checking HEAD link\n");
- head_points_at = resolve_ref_unsafe("HEAD", head_sha1, 0, &flag);
+ head_points_at = resolve_ref_unsafe("HEAD", 0, head_oid.hash, &flag);
if (!head_points_at)
return error("Invalid HEAD");
if (!strcmp(head_points_at, "HEAD"))
@@ -568,7 +593,7 @@ static int fsck_head_link(void)
else if (!starts_with(head_points_at, "refs/heads/"))
return error("HEAD points to something strange (%s)",
head_points_at);
- if (is_null_sha1(head_sha1)) {
+ if (is_null_oid(&head_oid)) {
if (null_is_error)
return error("HEAD: detached HEAD points at nothing");
fprintf(stderr, "notice: HEAD points to an unborn branch (%s)\n",
@@ -603,7 +628,7 @@ static int fsck_cache_tree(struct cache_tree *it)
}
static char const * const fsck_usage[] = {
- N_("git fsck [options] [<object>...]"),
+ N_("git fsck [<options>] [<object>...]"),
NULL
};
@@ -616,6 +641,7 @@ static struct option fsck_opts[] = {
OPT_BOOL(0, "cache", &keep_cache_objects, N_("make index objects head nodes")),
OPT_BOOL(0, "reflogs", &include_reflogs, N_("make reflogs head nodes (default)")),
OPT_BOOL(0, "full", &check_full, N_("also consider packs and alternate objects")),
+ OPT_BOOL(0, "connectivity-only", &connectivity_only, N_("check only connectivity")),
OPT_BOOL(0, "strict", &check_strict, N_("enable more strict checking")),
OPT_BOOL(0, "lost-found", &write_lost_and_found,
N_("write dangling objects in .git/lost-found")),
@@ -633,6 +659,12 @@ int cmd_fsck(int argc, const char **argv, const char *prefix)
argc = parse_options(argc, argv, prefix, fsck_opts, fsck_usage, 0);
+ fsck_walk_options.walk = mark_object;
+ fsck_obj_options.walk = mark_used;
+ fsck_obj_options.error_func = fsck_error_func;
+ if (check_strict)
+ fsck_obj_options.strict = 1;
+
if (show_progress == -1)
show_progress = isatty(2);
if (verbose)
@@ -643,8 +675,11 @@ int cmd_fsck(int argc, const char **argv, const char *prefix)
include_reflogs = 0;
}
+ git_config(fsck_config, NULL);
+
fsck_head_link();
- fsck_object_dir(get_object_directory());
+ if (!connectivity_only)
+ fsck_object_dir(get_object_directory());
prepare_alt_odb();
for (alt = alt_odb_list; alt; alt = alt->next) {
diff --git a/builtin/gc.c b/builtin/gc.c
index 8d219d8..0ad8d30 100644
--- a/builtin/gc.c
+++ b/builtin/gc.c
@@ -11,7 +11,8 @@
*/
#include "builtin.h"
-#include "cache.h"
+#include "tempfile.h"
+#include "lockfile.h"
#include "parse-options.h"
#include "run-command.h"
#include "sigchain.h"
@@ -21,7 +22,7 @@
#define FAILED_RUN "failed to run %s"
static const char * const builtin_gc_usage[] = {
- N_("git gc [options]"),
+ N_("git gc [<options>]"),
NULL
};
@@ -33,66 +34,47 @@ static int gc_auto_threshold = 6700;
static int gc_auto_pack_limit = 50;
static int detach_auto = 1;
static const char *prune_expire = "2.weeks.ago";
+static const char *prune_worktrees_expire = "3.months.ago";
static struct argv_array pack_refs_cmd = ARGV_ARRAY_INIT;
static struct argv_array reflog = ARGV_ARRAY_INIT;
static struct argv_array repack = ARGV_ARRAY_INIT;
static struct argv_array prune = ARGV_ARRAY_INIT;
+static struct argv_array prune_worktrees = ARGV_ARRAY_INIT;
static struct argv_array rerere = ARGV_ARRAY_INIT;
-static char *pidfile;
+static struct tempfile pidfile;
-static void remove_pidfile(void)
+static void git_config_date_string(const char *key, const char **output)
{
- if (pidfile)
- unlink(pidfile);
+ if (git_config_get_string_const(key, output))
+ return;
+ if (strcmp(*output, "now")) {
+ unsigned long now = approxidate("now");
+ if (approxidate(*output) >= now)
+ git_die_config(key, _("Invalid %s: '%s'"), key, *output);
+ }
}
-static void remove_pidfile_on_signal(int signo)
+static void gc_config(void)
{
- remove_pidfile();
- sigchain_pop(signo);
- raise(signo);
-}
+ const char *value;
-static int gc_config(const char *var, const char *value, void *cb)
-{
- if (!strcmp(var, "gc.packrefs")) {
+ if (!git_config_get_value("gc.packrefs", &value)) {
if (value && !strcmp(value, "notbare"))
pack_refs = -1;
else
- pack_refs = git_config_bool(var, value);
- return 0;
- }
- if (!strcmp(var, "gc.aggressivewindow")) {
- aggressive_window = git_config_int(var, value);
- return 0;
+ pack_refs = git_config_bool("gc.packrefs", value);
}
- if (!strcmp(var, "gc.aggressivedepth")) {
- aggressive_depth = git_config_int(var, value);
- return 0;
- }
- if (!strcmp(var, "gc.auto")) {
- gc_auto_threshold = git_config_int(var, value);
- return 0;
- }
- if (!strcmp(var, "gc.autopacklimit")) {
- gc_auto_pack_limit = git_config_int(var, value);
- return 0;
- }
- if (!strcmp(var, "gc.autodetach")) {
- detach_auto = git_config_bool(var, value);
- return 0;
- }
- if (!strcmp(var, "gc.pruneexpire")) {
- if (value && strcmp(value, "now")) {
- unsigned long now = approxidate("now");
- if (approxidate(value) >= now)
- return error(_("Invalid %s: '%s'"), var, value);
- }
- return git_config_string(&prune_expire, var, value);
- }
- return git_default_config(var, value, cb);
+
+ git_config_get_int("gc.aggressivewindow", &aggressive_window);
+ git_config_get_int("gc.aggressivedepth", &aggressive_depth);
+ git_config_get_int("gc.auto", &gc_auto_threshold);
+ git_config_get_int("gc.autopacklimit", &gc_auto_pack_limit);
+ git_config_get_bool("gc.autodetach", &detach_auto);
+ git_config_date_string("gc.pruneexpire", &prune_expire);
+ git_config_date_string("gc.worktreepruneexpire", &prune_worktrees_expire);
+ git_config(git_default_config, NULL);
}
static int too_many_loose_objects(void)
@@ -205,20 +187,22 @@ static const char *lock_repo_for_gc(int force, pid_t* ret_pid)
uintmax_t pid;
FILE *fp;
int fd;
+ char *pidfile_path;
- if (pidfile)
+ if (is_tempfile_active(&pidfile))
/* already locked */
return NULL;
if (gethostname(my_host, sizeof(my_host)))
strcpy(my_host, "unknown");
- fd = hold_lock_file_for_update(&lock, git_path("gc.pid"),
+ pidfile_path = git_pathdup("gc.pid");
+ fd = hold_lock_file_for_update(&lock, pidfile_path,
LOCK_DIE_ON_ERROR);
if (!force) {
static char locking_host[128];
int should_exit;
- fp = fopen(git_path("gc.pid"), "r");
+ fp = fopen(pidfile_path, "r");
memset(locking_host, 0, sizeof(locking_host));
should_exit =
fp != NULL &&
@@ -242,6 +226,7 @@ static const char *lock_repo_for_gc(int force, pid_t* ret_pid)
if (fd >= 0)
rollback_lock_file(&lock);
*ret_pid = pid;
+ free(pidfile_path);
return locking_host;
}
}
@@ -251,11 +236,8 @@ static const char *lock_repo_for_gc(int force, pid_t* ret_pid)
write_in_full(fd, sb.buf, sb.len);
strbuf_release(&sb);
commit_lock_file(&lock);
-
- pidfile = git_pathdup("gc.pid");
- sigchain_push_common(remove_pidfile_on_signal);
- atexit(remove_pidfile);
-
+ register_tempfile(&pidfile, pidfile_path);
+ free(pidfile_path);
return NULL;
}
@@ -298,10 +280,11 @@ int cmd_gc(int argc, const char **argv, const char *prefix)
argv_array_pushl(&pack_refs_cmd, "pack-refs", "--all", "--prune", NULL);
argv_array_pushl(&reflog, "reflog", "expire", "--all", NULL);
argv_array_pushl(&repack, "repack", "-d", "-l", NULL);
- argv_array_pushl(&prune, "prune", "--expire", NULL );
+ argv_array_pushl(&prune, "prune", "--expire", NULL);
+ argv_array_pushl(&prune_worktrees, "worktree", "prune", "--expire", NULL);
argv_array_pushl(&rerere, "rerere", "gc", NULL);
- git_config(gc_config, NULL);
+ gc_config();
if (pack_refs < 0)
pack_refs = !is_bare_repository();
@@ -368,6 +351,12 @@ int cmd_gc(int argc, const char **argv, const char *prefix)
return error(FAILED_RUN, prune.argv[0]);
}
+ if (prune_worktrees_expire) {
+ argv_array_push(&prune_worktrees, prune_worktrees_expire);
+ if (run_command_v_opt(prune_worktrees.argv, RUN_GIT_CMD))
+ return error(FAILED_RUN, prune_worktrees.argv[0]);
+ }
+
if (run_command_v_opt(rerere.argv, RUN_GIT_CMD))
return error(FAILED_RUN, rerere.argv[0]);
diff --git a/builtin/get-tar-commit-id.c b/builtin/get-tar-commit-id.c
index aa72596..6f4147a 100644
--- a/builtin/get-tar-commit-id.c
+++ b/builtin/get-tar-commit-id.c
@@ -19,6 +19,7 @@ int cmd_get_tar_commit_id(int argc, const char **argv, const char *prefix)
char buffer[HEADERSIZE];
struct ustar_header *header = (struct ustar_header *)buffer;
char *content = buffer + RECORDSIZE;
+ const char *comment;
ssize_t n;
if (argc != 1)
@@ -29,10 +30,10 @@ int cmd_get_tar_commit_id(int argc, const char **argv, const char *prefix)
die("git get-tar-commit-id: read error");
if (header->typeflag[0] != 'g')
return 1;
- if (memcmp(content, "52 comment=", 11))
+ if (!skip_prefix(content, "52 comment=", &comment))
return 1;
- n = write_in_full(1, content + 11, 41);
+ n = write_in_full(1, comment, 41);
if (n < 41)
die_errno("git get-tar-commit-id: write error");
diff --git a/builtin/grep.c b/builtin/grep.c
index b8d440d..d04f440 100644
--- a/builtin/grep.c
+++ b/builtin/grep.c
@@ -20,7 +20,7 @@
#include "pathspec.h"
static char const * const grep_usage[] = {
- N_("git grep [options] [-e] <pattern> [<rev>...] [[--] <path>...]"),
+ N_("git grep [<options>] [-e] <pattern> [<rev>...] [[--] <path>...]"),
NULL
};
@@ -361,9 +361,7 @@ static void run_pager(struct grep_opt *opt, const char *prefix)
argv[i] = path_list->items[i].string;
argv[path_list->nr] = NULL;
- if (prefix && chdir(prefix))
- die(_("Failed to chdir: %s"), prefix);
- status = run_command_v_opt(argv, RUN_USING_SHELL);
+ status = run_command_v_opt_cd_env(argv, RUN_USING_SHELL, prefix, NULL);
if (status)
exit(status);
free(argv);
@@ -458,10 +456,10 @@ static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec,
}
static int grep_object(struct grep_opt *opt, const struct pathspec *pathspec,
- struct object *obj, const char *name, struct object_context *oc)
+ struct object *obj, const char *name, const char *path)
{
if (obj->type == OBJ_BLOB)
- return grep_sha1(opt, obj->sha1, name, 0, oc ? oc->path : NULL);
+ return grep_sha1(opt, obj->sha1, name, 0, path);
if (obj->type == OBJ_COMMIT || obj->type == OBJ_TREE) {
struct tree_desc tree;
void *data;
@@ -503,7 +501,7 @@ static int grep_objects(struct grep_opt *opt, const struct pathspec *pathspec,
for (i = 0; i < nr; i++) {
struct object *real_obj;
real_obj = deref_tag(list->objects[i].item, NULL, 0);
- if (grep_object(opt, pathspec, real_obj, list->objects[i].name, list->objects[i].context)) {
+ if (grep_object(opt, pathspec, real_obj, list->objects[i].name, list->objects[i].path)) {
hit = 1;
if (opt->status_only)
break;
@@ -643,7 +641,7 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
OPT_BOOL(0, "untracked", &untracked,
N_("search in both tracked and untracked files")),
OPT_SET_INT(0, "exclude-standard", &opt_exclude,
- N_("search also in ignored files"), 1),
+ N_("ignore files specified via '.gitignore'"), 1),
OPT_GROUP(""),
OPT_BOOL('v', "invert-match", &opt.invert,
N_("show non-matching lines")),
@@ -740,7 +738,7 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
PARSE_OPT_OPTARG, NULL, (intptr_t)default_pager },
OPT_BOOL(0, "ext-grep", &external_grep_allowed__ignored,
N_("allow calling of grep(1) (ignored by this build)")),
- { OPTION_CALLBACK, 0, "help-all", &options, NULL, N_("show usage"),
+ { OPTION_CALLBACK, 0, "help-all", NULL, NULL, N_("show usage"),
PARSE_OPT_HIDDEN | PARSE_OPT_NOARG, help_callback },
OPT_END()
};
@@ -823,7 +821,7 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
struct object *object = parse_object_or_die(sha1, arg);
if (!seen_dashdash)
verify_non_filename(prefix, arg);
- add_object_array_with_context(object, arg, &list, xmemdupz(&oc, sizeof(struct object_context)));
+ add_object_array_with_path(object, arg, &list, oc.mode, oc.path);
continue;
}
if (!strcmp(arg, "--")) {
@@ -887,7 +885,7 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
}
}
- if (!show_in_pager)
+ if (!show_in_pager && !opt.status_only)
setup_pager();
if (!use_index && (untracked || cached))
diff --git a/builtin/hash-object.c b/builtin/hash-object.c
index d7fcf4c..07fef3c 100644
--- a/builtin/hash-object.c
+++ b/builtin/hash-object.c
@@ -10,35 +10,53 @@
#include "parse-options.h"
#include "exec_cmd.h"
-static void hash_fd(int fd, const char *type, int write_object, const char *path)
+/*
+ * This is to create corrupt objects for debugging and as such it
+ * needs to bypass the data conversion performed by, and the type
+ * limitation imposed by, index_fd() and its callees.
+ */
+static int hash_literally(unsigned char *sha1, int fd, const char *type, unsigned flags)
+{
+ struct strbuf buf = STRBUF_INIT;
+ int ret;
+
+ if (strbuf_read(&buf, fd, 4096) < 0)
+ ret = -1;
+ else
+ ret = hash_sha1_file_literally(buf.buf, buf.len, type, sha1, flags);
+ strbuf_release(&buf);
+ return ret;
+}
+
+static void hash_fd(int fd, const char *type, const char *path, unsigned flags,
+ int literally)
{
struct stat st;
unsigned char sha1[20];
- unsigned flags = (HASH_FORMAT_CHECK |
- (write_object ? HASH_WRITE_OBJECT : 0));
if (fstat(fd, &st) < 0 ||
- index_fd(sha1, fd, &st, type_from_string(type), path, flags))
- die(write_object
+ (literally
+ ? hash_literally(sha1, fd, type, flags)
+ : index_fd(sha1, fd, &st, type_from_string(type), path, flags)))
+ die((flags & HASH_WRITE_OBJECT)
? "Unable to add %s to database"
: "Unable to hash %s", path);
printf("%s\n", sha1_to_hex(sha1));
maybe_flush_or_die(stdout, "hash to stdout");
}
-static void hash_object(const char *path, const char *type, int write_object,
- const char *vpath)
+static void hash_object(const char *path, const char *type, const char *vpath,
+ unsigned flags, int literally)
{
int fd;
fd = open(path, O_RDONLY);
if (fd < 0)
die_errno("Cannot open '%s'", path);
- hash_fd(fd, type, write_object, vpath);
+ hash_fd(fd, type, vpath, flags, literally);
}
-static int no_filters;
-
-static void hash_stdin_paths(const char *type, int write_objects)
+static void hash_stdin_paths(const char *type, int no_filters, unsigned flags,
+ int literally)
{
struct strbuf buf = STRBUF_INIT, nbuf = STRBUF_INIT;
@@ -49,47 +67,46 @@ static void hash_stdin_paths(const char *type, int write_objects)
die("line is badly quoted");
strbuf_swap(&buf, &nbuf);
}
- hash_object(buf.buf, type, write_objects,
- no_filters ? NULL : buf.buf);
+ hash_object(buf.buf, type, no_filters ? NULL : buf.buf, flags,
+ literally);
}
strbuf_release(&buf);
strbuf_release(&nbuf);
}
-static const char * const hash_object_usage[] = {
- N_("git hash-object [-t <type>] [-w] [--path=<file>|--no-filters] [--stdin] [--] <file>..."),
- N_("git hash-object --stdin-paths < <list-of-paths>"),
- NULL
-};
-
-static const char *type;
-static int write_object;
-static int hashstdin;
-static int stdin_paths;
-static const char *vpath;
-
-static const struct option hash_object_options[] = {
- OPT_STRING('t', NULL, &type, N_("type"), N_("object type")),
- OPT_BOOL('w', NULL, &write_object, N_("write the object into the object database")),
- OPT_COUNTUP( 0 , "stdin", &hashstdin, N_("read the object from stdin")),
- OPT_BOOL( 0 , "stdin-paths", &stdin_paths, N_("read file names from stdin")),
- OPT_BOOL( 0 , "no-filters", &no_filters, N_("store file as is without filters")),
- OPT_STRING( 0 , "path", &vpath, N_("file"), N_("process file as it were from this path")),
- OPT_END()
-};
-
int cmd_hash_object(int argc, const char **argv, const char *prefix)
{
+ static const char * const hash_object_usage[] = {
+ N_("git hash-object [-t <type>] [-w] [--path=<file> | --no-filters] [--stdin] [--] <file>..."),
+ N_("git hash-object --stdin-paths < <list-of-paths>"),
+ NULL
+ };
+ const char *type = blob_type;
+ int hashstdin = 0;
+ int stdin_paths = 0;
+ int no_filters = 0;
+ int literally = 0;
+ unsigned flags = HASH_FORMAT_CHECK;
+ const char *vpath = NULL;
+ const struct option hash_object_options[] = {
+ OPT_STRING('t', NULL, &type, N_("type"), N_("object type")),
+ OPT_BIT('w', NULL, &flags, N_("write the object into the object database"),
+ HASH_WRITE_OBJECT),
+ OPT_COUNTUP( 0 , "stdin", &hashstdin, N_("read the object from stdin")),
+ OPT_BOOL( 0 , "stdin-paths", &stdin_paths, N_("read file names from stdin")),
+ OPT_BOOL( 0 , "no-filters", &no_filters, N_("store file as is without filters")),
+ OPT_BOOL( 0, "literally", &literally, N_("just hash any random garbage to create corrupt objects for debugging Git")),
+ OPT_STRING( 0 , "path", &vpath, N_("file"), N_("process file as it were from this path")),
+ OPT_END()
+ };
int i;
int prefix_length = -1;
const char *errstr = NULL;
- type = blob_type;
-
argc = parse_options(argc, argv, NULL, hash_object_options,
hash_object_usage, 0);
- if (write_object) {
+ if (flags & HASH_WRITE_OBJECT) {
prefix = setup_git_directory();
prefix_length = prefix ? strlen(prefix) : 0;
if (vpath && prefix)
@@ -119,19 +136,19 @@ int cmd_hash_object(int argc, const char **argv, const char *prefix)
}
if (hashstdin)
- hash_fd(0, type, write_object, vpath);
+ hash_fd(0, type, vpath, flags, literally);
for (i = 0 ; i < argc; i++) {
const char *arg = argv[i];
if (0 <= prefix_length)
arg = prefix_filename(prefix, prefix_length, arg);
- hash_object(arg, type, write_object,
- no_filters ? NULL : vpath ? vpath : arg);
+ hash_object(arg, type, no_filters ? NULL : vpath ? vpath : arg,
+ flags, literally);
}
if (stdin_paths)
- hash_stdin_paths(type, write_object);
+ hash_stdin_paths(type, no_filters, flags, literally);
return 0;
}
diff --git a/builtin/help.c b/builtin/help.c
index 1fdefeb..3422e73 100644
--- a/builtin/help.c
+++ b/builtin/help.c
@@ -49,7 +49,7 @@ static struct option builtin_help_options[] = {
};
static const char * const builtin_help_usage[] = {
- N_("git help [--all] [--guides] [--man|--web|--info] [command]"),
+ N_("git help [--all] [--guides] [--man | --web | --info] [<command>]"),
NULL
};
@@ -79,12 +79,11 @@ static const char *get_man_viewer_info(const char *name)
static int check_emacsclient_version(void)
{
struct strbuf buffer = STRBUF_INIT;
- struct child_process ec_process;
+ struct child_process ec_process = CHILD_PROCESS_INIT;
const char *argv_ec[] = { "emacsclient", "--version", NULL };
int version;
/* emacsclient prints its version number on stderr */
- memset(&ec_process, 0, sizeof(ec_process));
ec_process.argv = argv_ec;
ec_process.err = -1;
ec_process.stdout_to_stderr = 1;
@@ -172,7 +171,7 @@ static void exec_man_cmd(const char *cmd, const char *page)
{
struct strbuf shell_cmd = STRBUF_INIT;
strbuf_addf(&shell_cmd, "%s %s", cmd, page);
- execl("/bin/sh", "sh", "-c", shell_cmd.buf, (char *)NULL);
+ execl(SHELL_PATH, SHELL_PATH, "-c", shell_cmd.buf, (char *)NULL);
warning(_("failed to exec '%s': %s"), cmd, strerror(errno));
}
@@ -322,16 +321,18 @@ static void setup_man_path(void)
{
struct strbuf new_path = STRBUF_INIT;
const char *old_path = getenv("MANPATH");
+ char *git_man_path = system_path(GIT_MAN_PATH);
/* We should always put ':' after our path. If there is no
* old_path, the ':' at the end will let 'man' to try
* system-wide paths after ours to find the manual page. If
* there is old_path, we need ':' as delimiter. */
- strbuf_addstr(&new_path, system_path(GIT_MAN_PATH));
+ strbuf_addstr(&new_path, git_man_path);
strbuf_addch(&new_path, ':');
if (old_path)
strbuf_addstr(&new_path, old_path);
+ free(git_man_path);
setenv("MANPATH", new_path.buf, 1);
strbuf_release(&new_path);
@@ -381,8 +382,10 @@ static void show_info_page(const char *git_cmd)
static void get_html_page_path(struct strbuf *page_path, const char *page)
{
struct stat st;
+ char *to_free = NULL;
+
if (!html_path)
- html_path = system_path(GIT_HTML_PATH);
+ html_path = to_free = system_path(GIT_HTML_PATH);
/* Check that we have a git documentation directory. */
if (!strstr(html_path, "://")) {
@@ -393,6 +396,7 @@ static void get_html_page_path(struct strbuf *page_path, const char *page)
strbuf_init(page_path, 0);
strbuf_addf(page_path, "%s/%s.html", html_path, page);
+ free(to_free);
}
/*
@@ -422,6 +426,7 @@ static struct {
const char *help;
} common_guides[] = {
{ "attributes", N_("Defining attributes per path") },
+ { "everyday", N_("Everyday Git With 20 Commands Or So") },
{ "glossary", N_("A Git glossary") },
{ "ignore", N_("Specifies intentionally untracked files to ignore") },
{ "modules", N_("Defining submodule properties") },
@@ -451,7 +456,7 @@ static void list_common_guides_help(void)
int cmd_help(int argc, const char **argv, const char *prefix)
{
int nongit;
- const char *alias;
+ char *alias;
enum help_format parsed_help_format;
argc = parse_options(argc, argv, prefix, builtin_help_options,
@@ -494,6 +499,7 @@ int cmd_help(int argc, const char **argv, const char *prefix)
alias = alias_lookup(argv[0]);
if (alias && !is_git_command(argv[0])) {
printf_ln(_("`git %s' is aliased to `%s'"), argv[0], alias);
+ free(alias);
return 0;
}
diff --git a/builtin/index-pack.c b/builtin/index-pack.c
index 9ca0203..3431de2 100644
--- a/builtin/index-pack.c
+++ b/builtin/index-pack.c
@@ -18,16 +18,14 @@ static const char index_pack_usage[] =
struct object_entry {
struct pack_idx_entry idx;
unsigned long size;
- unsigned int hdr_size;
- enum object_type type;
- enum object_type real_type;
- unsigned delta_depth;
- int base_object_no;
+ unsigned char hdr_size;
+ signed char type;
+ signed char real_type;
};
-union delta_base {
- unsigned char sha1[20];
- off_t offset;
+struct object_stat {
+ unsigned delta_depth;
+ int base_object_no;
};
struct base_data {
@@ -49,31 +47,35 @@ struct thread_local {
int pack_fd;
};
-/*
- * Even if sizeof(union delta_base) == 24 on 64-bit archs, we really want
- * to memcmp() only the first 20 bytes.
- */
-#define UNION_BASE_SZ 20
-
#define FLAG_LINK (1u<<20)
#define FLAG_CHECKED (1u<<21)
-struct delta_entry {
- union delta_base base;
+struct ofs_delta_entry {
+ off_t offset;
+ int obj_no;
+};
+
+struct ref_delta_entry {
+ unsigned char sha1[20];
int obj_no;
};
static struct object_entry *objects;
-static struct delta_entry *deltas;
+static struct object_stat *obj_stat;
+static struct ofs_delta_entry *ofs_deltas;
+static struct ref_delta_entry *ref_deltas;
static struct thread_local nothread_data;
static int nr_objects;
-static int nr_deltas;
+static int nr_ofs_deltas;
+static int nr_ref_deltas;
+static int ref_deltas_alloc;
static int nr_resolved_deltas;
static int nr_threads;
static int from_stdin;
static int strict;
static int do_fsck_object;
+static struct fsck_options fsck_options = FSCK_OPTIONS_STRICT;
static int verbose;
static int show_stat;
static int check_self_contained_and_connected;
@@ -112,6 +114,10 @@ static pthread_mutex_t deepest_delta_mutex;
#define deepest_delta_lock() lock_mutex(&deepest_delta_mutex)
#define deepest_delta_unlock() unlock_mutex(&deepest_delta_mutex)
+static pthread_mutex_t type_cas_mutex;
+#define type_cas_lock() lock_mutex(&type_cas_mutex)
+#define type_cas_unlock() unlock_mutex(&type_cas_mutex)
+
static pthread_key_t key;
static inline void lock_mutex(pthread_mutex_t *mutex)
@@ -135,6 +141,7 @@ static void init_thread(void)
init_recursive_mutex(&read_mutex);
pthread_mutex_init(&counter_mutex, NULL);
pthread_mutex_init(&work_mutex, NULL);
+ pthread_mutex_init(&type_cas_mutex, NULL);
if (show_stat)
pthread_mutex_init(&deepest_delta_mutex, NULL);
pthread_key_create(&key, NULL);
@@ -157,6 +164,7 @@ static void cleanup_thread(void)
pthread_mutex_destroy(&read_mutex);
pthread_mutex_destroy(&counter_mutex);
pthread_mutex_destroy(&work_mutex);
+ pthread_mutex_destroy(&type_cas_mutex);
if (show_stat)
pthread_mutex_destroy(&deepest_delta_mutex);
for (i = 0; i < nr_threads; i++)
@@ -179,10 +187,13 @@ static void cleanup_thread(void)
#define deepest_delta_lock()
#define deepest_delta_unlock()
+#define type_cas_lock()
+#define type_cas_unlock()
+
#endif
-static int mark_link(struct object *obj, int type, void *data)
+static int mark_link(struct object *obj, int type, void *data, struct fsck_options *options)
{
if (!obj)
return -1;
@@ -438,7 +449,7 @@ static void *unpack_entry_data(unsigned long offset, unsigned long size,
if (type == OBJ_BLOB && size > big_file_threshold)
buf = fixed_buf;
else
- buf = xmalloc(size);
+ buf = xmallocz(size);
memset(&stream, 0, sizeof(stream));
git_inflate_init(&stream);
@@ -467,7 +478,8 @@ static void *unpack_entry_data(unsigned long offset, unsigned long size,
}
static void *unpack_raw_entry(struct object_entry *obj,
- union delta_base *delta_base,
+ off_t *ofs_offset,
+ unsigned char *ref_sha1,
unsigned char *sha1)
{
unsigned char *p;
@@ -496,11 +508,10 @@ static void *unpack_raw_entry(struct object_entry *obj,
switch (obj->type) {
case OBJ_REF_DELTA:
- hashcpy(delta_base->sha1, fill(20));
+ hashcpy(ref_sha1, fill(20));
use(20);
break;
case OBJ_OFS_DELTA:
- memset(delta_base, 0, sizeof(*delta_base));
p = fill(1);
c = *p;
use(1);
@@ -514,8 +525,8 @@ static void *unpack_raw_entry(struct object_entry *obj,
use(1);
base_offset = (base_offset << 7) + (c & 127);
}
- delta_base->offset = obj->idx.offset - base_offset;
- if (delta_base->offset <= 0 || delta_base->offset >= obj->idx.offset)
+ *ofs_offset = obj->idx.offset - base_offset;
+ if (*ofs_offset <= 0 || *ofs_offset >= obj->idx.offset)
bad_object(obj->idx.offset, _("delta base offset is out of bound"));
break;
case OBJ_COMMIT:
@@ -543,7 +554,7 @@ static void *unpack_data(struct object_entry *obj,
git_zstream stream;
int status;
- data = xmalloc(consume ? 64*1024 : obj->size);
+ data = xmallocz(consume ? 64*1024 : obj->size);
inbuf = xmalloc((len < 64*1024) ? len : 64*1024);
memset(&stream, 0, sizeof(stream));
@@ -599,55 +610,110 @@ static void *get_data_from_pack(struct object_entry *obj)
return unpack_data(obj, NULL, NULL);
}
-static int compare_delta_bases(const union delta_base *base1,
- const union delta_base *base2,
- enum object_type type1,
- enum object_type type2)
+static int compare_ofs_delta_bases(off_t offset1, off_t offset2,
+ enum object_type type1,
+ enum object_type type2)
{
int cmp = type1 - type2;
if (cmp)
return cmp;
- return memcmp(base1, base2, UNION_BASE_SZ);
+ return offset1 < offset2 ? -1 :
+ offset1 > offset2 ? 1 :
+ 0;
}
-static int find_delta(const union delta_base *base, enum object_type type)
+static int find_ofs_delta(const off_t offset, enum object_type type)
{
- int first = 0, last = nr_deltas;
-
- while (first < last) {
- int next = (first + last) / 2;
- struct delta_entry *delta = &deltas[next];
- int cmp;
-
- cmp = compare_delta_bases(base, &delta->base,
- type, objects[delta->obj_no].type);
- if (!cmp)
- return next;
- if (cmp < 0) {
- last = next;
- continue;
- }
- first = next+1;
- }
- return -first-1;
+ int first = 0, last = nr_ofs_deltas;
+
+ while (first < last) {
+ int next = (first + last) / 2;
+ struct ofs_delta_entry *delta = &ofs_deltas[next];
+ int cmp;
+
+ cmp = compare_ofs_delta_bases(offset, delta->offset,
+ type, objects[delta->obj_no].type);
+ if (!cmp)
+ return next;
+ if (cmp < 0) {
+ last = next;
+ continue;
+ }
+ first = next+1;
+ }
+ return -first-1;
}
-static void find_delta_children(const union delta_base *base,
- int *first_index, int *last_index,
- enum object_type type)
+static void find_ofs_delta_children(off_t offset,
+ int *first_index, int *last_index,
+ enum object_type type)
{
- int first = find_delta(base, type);
+ int first = find_ofs_delta(offset, type);
int last = first;
- int end = nr_deltas - 1;
+ int end = nr_ofs_deltas - 1;
if (first < 0) {
*first_index = 0;
*last_index = -1;
return;
}
- while (first > 0 && !memcmp(&deltas[first - 1].base, base, UNION_BASE_SZ))
+ while (first > 0 && ofs_deltas[first - 1].offset == offset)
--first;
- while (last < end && !memcmp(&deltas[last + 1].base, base, UNION_BASE_SZ))
+ while (last < end && ofs_deltas[last + 1].offset == offset)
+ ++last;
+ *first_index = first;
+ *last_index = last;
+}
+
+static int compare_ref_delta_bases(const unsigned char *sha1,
+ const unsigned char *sha2,
+ enum object_type type1,
+ enum object_type type2)
+{
+ int cmp = type1 - type2;
+ if (cmp)
+ return cmp;
+ return hashcmp(sha1, sha2);
+}
+
+static int find_ref_delta(const unsigned char *sha1, enum object_type type)
+{
+ int first = 0, last = nr_ref_deltas;
+
+ while (first < last) {
+ int next = (first + last) / 2;
+ struct ref_delta_entry *delta = &ref_deltas[next];
+ int cmp;
+
+ cmp = compare_ref_delta_bases(sha1, delta->sha1,
+ type, objects[delta->obj_no].type);
+ if (!cmp)
+ return next;
+ if (cmp < 0) {
+ last = next;
+ continue;
+ }
+ first = next+1;
+ }
+ return -first-1;
+}
+
+static void find_ref_delta_children(const unsigned char *sha1,
+ int *first_index, int *last_index,
+ enum object_type type)
+{
+ int first = find_ref_delta(sha1, type);
+ int last = first;
+ int end = nr_ref_deltas - 1;
+
+ if (first < 0) {
+ *first_index = 0;
+ *last_index = -1;
+ return;
+ }
+ while (first > 0 && !hashcmp(ref_deltas[first - 1].sha1, sha1))
+ --first;
+ while (last < end && !hashcmp(ref_deltas[last + 1].sha1, sha1))
++last;
*first_index = first;
*last_index = last;
@@ -721,7 +787,7 @@ static void sha1_object(const void *data, struct object_entry *obj_entry,
assert(data || obj_entry);
read_lock();
- collision_test_needed = has_sha1_file(sha1);
+ collision_test_needed = has_sha1_file_with_flags(sha1, HAS_SHA1_QUICK);
read_unlock();
if (collision_test_needed && !data) {
@@ -773,9 +839,9 @@ static void sha1_object(const void *data, struct object_entry *obj_entry,
if (!obj)
die(_("invalid %s"), typename(type));
if (do_fsck_object &&
- fsck_object(obj, 1, fsck_error_function))
+ fsck_object(obj, buf, size, &fsck_options))
die(_("Error in object"));
- if (fsck_walk(obj, mark_link, NULL))
+ if (fsck_walk(obj, NULL, &fsck_options))
die(_("Not all child objects of %s are reachable"), sha1_to_hex(obj->sha1));
if (obj->type == OBJ_TREE) {
@@ -862,15 +928,16 @@ static void resolve_delta(struct object_entry *delta_obj,
{
void *base_data, *delta_data;
- delta_obj->real_type = base->obj->real_type;
if (show_stat) {
- delta_obj->delta_depth = base->obj->delta_depth + 1;
+ int i = delta_obj - objects;
+ int j = base->obj - objects;
+ obj_stat[i].delta_depth = obj_stat[j].delta_depth + 1;
deepest_delta_lock();
- if (deepest_delta < delta_obj->delta_depth)
- deepest_delta = delta_obj->delta_depth;
+ if (deepest_delta < obj_stat[i].delta_depth)
+ deepest_delta = obj_stat[i].delta_depth;
deepest_delta_unlock();
+ obj_stat[i].base_object_no = j;
}
- delta_obj->base_object_no = base->obj - objects;
delta_data = get_data_from_pack(delta_obj);
base_data = get_base_data(base);
result->obj = delta_obj;
@@ -888,20 +955,37 @@ static void resolve_delta(struct object_entry *delta_obj,
counter_unlock();
}
+/*
+ * Standard boolean compare-and-swap: atomically check whether "*type" is
+ * "want"; if so, swap in "set" and return true. Otherwise, leave it untouched
+ * and return false.
+ */
+static int compare_and_swap_type(signed char *type,
+ enum object_type want,
+ enum object_type set)
+{
+ enum object_type old;
+
+ type_cas_lock();
+ old = *type;
+ if (old == want)
+ *type = set;
+ type_cas_unlock();
+
+ return old == want;
+}
+
static struct base_data *find_unresolved_deltas_1(struct base_data *base,
struct base_data *prev_base)
{
if (base->ref_last == -1 && base->ofs_last == -1) {
- union delta_base base_spec;
+ find_ref_delta_children(base->obj->idx.sha1,
+ &base->ref_first, &base->ref_last,
+ OBJ_REF_DELTA);
- hashcpy(base_spec.sha1, base->obj->idx.sha1);
- find_delta_children(&base_spec,
- &base->ref_first, &base->ref_last, OBJ_REF_DELTA);
-
- memset(&base_spec, 0, sizeof(base_spec));
- base_spec.offset = base->obj->idx.offset;
- find_delta_children(&base_spec,
- &base->ofs_first, &base->ofs_last, OBJ_OFS_DELTA);
+ find_ofs_delta_children(base->obj->idx.offset,
+ &base->ofs_first, &base->ofs_last,
+ OBJ_OFS_DELTA);
if (base->ref_last == -1 && base->ofs_last == -1) {
free(base->data);
@@ -912,10 +996,13 @@ static struct base_data *find_unresolved_deltas_1(struct base_data *base,
}
if (base->ref_first <= base->ref_last) {
- struct object_entry *child = objects + deltas[base->ref_first].obj_no;
+ struct object_entry *child = objects + ref_deltas[base->ref_first].obj_no;
struct base_data *result = alloc_base_data();
- assert(child->real_type == OBJ_REF_DELTA);
+ if (!compare_and_swap_type(&child->real_type, OBJ_REF_DELTA,
+ base->obj->real_type))
+ die("BUG: child->real_type != OBJ_REF_DELTA");
+
resolve_delta(child, base, result);
if (base->ref_first == base->ref_last && base->ofs_last == -1)
free_base_data(base);
@@ -925,10 +1012,11 @@ static struct base_data *find_unresolved_deltas_1(struct base_data *base,
}
if (base->ofs_first <= base->ofs_last) {
- struct object_entry *child = objects + deltas[base->ofs_first].obj_no;
+ struct object_entry *child = objects + ofs_deltas[base->ofs_first].obj_no;
struct base_data *result = alloc_base_data();
assert(child->real_type == OBJ_OFS_DELTA);
+ child->real_type = base->obj->real_type;
resolve_delta(child, base, result);
if (base->ofs_first == base->ofs_last)
free_base_data(base);
@@ -960,15 +1048,22 @@ static void find_unresolved_deltas(struct base_data *base)
}
}
-static int compare_delta_entry(const void *a, const void *b)
+static int compare_ofs_delta_entry(const void *a, const void *b)
+{
+ const struct ofs_delta_entry *delta_a = a;
+ const struct ofs_delta_entry *delta_b = b;
+
+ return delta_a->offset < delta_b->offset ? -1 :
+ delta_a->offset > delta_b->offset ? 1 :
+ 0;
+}
+
+static int compare_ref_delta_entry(const void *a, const void *b)
{
- const struct delta_entry *delta_a = a;
- const struct delta_entry *delta_b = b;
+ const struct ref_delta_entry *delta_a = a;
+ const struct ref_delta_entry *delta_b = b;
- /* group by type (ref vs ofs) and then by value (sha-1 or offset) */
- return compare_delta_bases(&delta_a->base, &delta_b->base,
- objects[delta_a->obj_no].type,
- objects[delta_b->obj_no].type);
+ return hashcmp(delta_a->sha1, delta_b->sha1);
}
static void resolve_base(struct object_entry *obj)
@@ -1014,7 +1109,8 @@ static void *threaded_second_pass(void *data)
static void parse_pack_objects(unsigned char *sha1)
{
int i, nr_delays = 0;
- struct delta_entry *delta = deltas;
+ struct ofs_delta_entry *ofs_delta = ofs_deltas;
+ unsigned char ref_delta_sha1[20];
struct stat st;
if (verbose)
@@ -1023,12 +1119,18 @@ static void parse_pack_objects(unsigned char *sha1)
nr_objects);
for (i = 0; i < nr_objects; i++) {
struct object_entry *obj = &objects[i];
- void *data = unpack_raw_entry(obj, &delta->base, obj->idx.sha1);
+ void *data = unpack_raw_entry(obj, &ofs_delta->offset,
+ ref_delta_sha1, obj->idx.sha1);
obj->real_type = obj->type;
- if (is_delta_type(obj->type)) {
- nr_deltas++;
- delta->obj_no = i;
- delta++;
+ if (obj->type == OBJ_OFS_DELTA) {
+ nr_ofs_deltas++;
+ ofs_delta->obj_no = i;
+ ofs_delta++;
+ } else if (obj->type == OBJ_REF_DELTA) {
+ ALLOC_GROW(ref_deltas, nr_ref_deltas + 1, ref_deltas_alloc);
+ hashcpy(ref_deltas[nr_ref_deltas].sha1, ref_delta_sha1);
+ ref_deltas[nr_ref_deltas].obj_no = i;
+ nr_ref_deltas++;
} else if (!data) {
/* large blobs, check later */
obj->real_type = OBJ_BAD;
@@ -1079,15 +1181,18 @@ static void resolve_deltas(void)
{
int i;
- if (!nr_deltas)
+ if (!nr_ofs_deltas && !nr_ref_deltas)
return;
/* Sort deltas by base SHA1/offset for fast searching */
- qsort(deltas, nr_deltas, sizeof(struct delta_entry),
- compare_delta_entry);
+ qsort(ofs_deltas, nr_ofs_deltas, sizeof(struct ofs_delta_entry),
+ compare_ofs_delta_entry);
+ qsort(ref_deltas, nr_ref_deltas, sizeof(struct ref_delta_entry),
+ compare_ref_delta_entry);
if (verbose)
- progress = start_progress(_("Resolving deltas"), nr_deltas);
+ progress = start_progress(_("Resolving deltas"),
+ nr_ref_deltas + nr_ofs_deltas);
#ifndef NO_PTHREADS
nr_dispatched = 0;
@@ -1122,10 +1227,10 @@ static void resolve_deltas(void)
* - append objects to convert thin pack to full pack if required
* - write the final 20-byte SHA-1
*/
-static void fix_unresolved_deltas(struct sha1file *f, int nr_unresolved);
+static void fix_unresolved_deltas(struct sha1file *f);
static void conclude_pack(int fix_thin_pack, const char *curr_pack, unsigned char *pack_sha1)
{
- if (nr_deltas == nr_resolved_deltas) {
+ if (nr_ref_deltas + nr_ofs_deltas == nr_resolved_deltas) {
stop_progress(&progress);
/* Flush remaining pack final 20-byte SHA1. */
flush();
@@ -1136,17 +1241,15 @@ static void conclude_pack(int fix_thin_pack, const char *curr_pack, unsigned cha
struct sha1file *f;
unsigned char read_sha1[20], tail_sha1[20];
struct strbuf msg = STRBUF_INIT;
- int nr_unresolved = nr_deltas - nr_resolved_deltas;
+ int nr_unresolved = nr_ofs_deltas + nr_ref_deltas - nr_resolved_deltas;
int nr_objects_initial = nr_objects;
if (nr_unresolved <= 0)
die(_("confusion beyond insanity"));
- objects = xrealloc(objects,
- (nr_objects + nr_unresolved + 1)
- * sizeof(*objects));
+ REALLOC_ARRAY(objects, nr_objects + nr_unresolved + 1);
memset(objects + nr_objects + 1, 0,
nr_unresolved * sizeof(*objects));
f = sha1fd(output_fd, curr_pack);
- fix_unresolved_deltas(f, nr_unresolved);
+ fix_unresolved_deltas(f);
strbuf_addf(&msg, _("completed with %d local objects"),
nr_objects - nr_objects_initial);
stop_progress_msg(&progress, msg.buf);
@@ -1160,11 +1263,11 @@ static void conclude_pack(int fix_thin_pack, const char *curr_pack, unsigned cha
die(_("Unexpected tail checksum for %s "
"(disk corruption?)"), curr_pack);
}
- if (nr_deltas != nr_resolved_deltas)
+ if (nr_ofs_deltas + nr_ref_deltas != nr_resolved_deltas)
die(Q_("pack has %d unresolved delta",
"pack has %d unresolved deltas",
- nr_deltas - nr_resolved_deltas),
- nr_deltas - nr_resolved_deltas);
+ nr_ofs_deltas + nr_ref_deltas - nr_resolved_deltas),
+ nr_ofs_deltas + nr_ref_deltas - nr_resolved_deltas);
}
static int write_compressed(struct sha1file *f, void *in, unsigned int size)
@@ -1173,7 +1276,6 @@ static int write_compressed(struct sha1file *f, void *in, unsigned int size)
int status;
unsigned char outbuf[4096];
- memset(&stream, 0, sizeof(stream));
git_deflate_init(&stream, zlib_compression_level);
stream.next_in = in;
stream.avail_in = size;
@@ -1224,15 +1326,15 @@ static struct object_entry *append_obj_to_pack(struct sha1file *f,
static int delta_pos_compare(const void *_a, const void *_b)
{
- struct delta_entry *a = *(struct delta_entry **)_a;
- struct delta_entry *b = *(struct delta_entry **)_b;
+ struct ref_delta_entry *a = *(struct ref_delta_entry **)_a;
+ struct ref_delta_entry *b = *(struct ref_delta_entry **)_b;
return a->obj_no - b->obj_no;
}
-static void fix_unresolved_deltas(struct sha1file *f, int nr_unresolved)
+static void fix_unresolved_deltas(struct sha1file *f)
{
- struct delta_entry **sorted_by_pos;
- int i, n = 0;
+ struct ref_delta_entry **sorted_by_pos;
+ int i;
/*
* Since many unresolved deltas may well be themselves base objects
@@ -1244,29 +1346,26 @@ static void fix_unresolved_deltas(struct sha1file *f, int nr_unresolved)
* before deltas depending on them, a good heuristic is to start
* resolving deltas in the same order as their position in the pack.
*/
- sorted_by_pos = xmalloc(nr_unresolved * sizeof(*sorted_by_pos));
- for (i = 0; i < nr_deltas; i++) {
- if (objects[deltas[i].obj_no].real_type != OBJ_REF_DELTA)
- continue;
- sorted_by_pos[n++] = &deltas[i];
- }
- qsort(sorted_by_pos, n, sizeof(*sorted_by_pos), delta_pos_compare);
+ sorted_by_pos = xmalloc(nr_ref_deltas * sizeof(*sorted_by_pos));
+ for (i = 0; i < nr_ref_deltas; i++)
+ sorted_by_pos[i] = &ref_deltas[i];
+ qsort(sorted_by_pos, nr_ref_deltas, sizeof(*sorted_by_pos), delta_pos_compare);
- for (i = 0; i < n; i++) {
- struct delta_entry *d = sorted_by_pos[i];
+ for (i = 0; i < nr_ref_deltas; i++) {
+ struct ref_delta_entry *d = sorted_by_pos[i];
enum object_type type;
struct base_data *base_obj = alloc_base_data();
if (objects[d->obj_no].real_type != OBJ_REF_DELTA)
continue;
- base_obj->data = read_sha1_file(d->base.sha1, &type, &base_obj->size);
+ base_obj->data = read_sha1_file(d->sha1, &type, &base_obj->size);
if (!base_obj->data)
continue;
- if (check_sha1_signature(d->base.sha1, base_obj->data,
+ if (check_sha1_signature(d->sha1, base_obj->data,
base_obj->size, typename(type)))
- die(_("local object %s is corrupt"), sha1_to_hex(d->base.sha1));
- base_obj->obj = append_obj_to_pack(f, d->base.sha1,
+ die(_("local object %s is corrupt"), sha1_to_hex(d->sha1));
+ base_obj->obj = append_obj_to_pack(f, d->sha1,
base_obj->data, base_obj->size, type);
find_unresolved_deltas(base_obj);
display_progress(progress, nr_resolved_deltas);
@@ -1322,7 +1421,7 @@ static void final(const char *final_pack_name, const char *curr_pack_name,
get_object_directory(), sha1_to_hex(sha1));
final_pack_name = name;
}
- if (move_temp_to_file(curr_pack_name, final_pack_name))
+ if (finalize_object_file(curr_pack_name, final_pack_name))
die(_("cannot store pack file"));
} else if (from_stdin)
chmod(final_pack_name, 0444);
@@ -1333,7 +1432,7 @@ static void final(const char *final_pack_name, const char *curr_pack_name,
get_object_directory(), sha1_to_hex(sha1));
final_index_name = name;
}
- if (move_temp_to_file(curr_index_name, final_index_name))
+ if (finalize_object_file(curr_index_name, final_index_name))
die(_("cannot store index file"));
} else
chmod(final_index_name, 0444);
@@ -1458,7 +1557,7 @@ static void read_idx_option(struct pack_idx_option *opts, const char *pack_name)
static void show_pack_info(int stat_only)
{
- int i, baseobjects = nr_objects - nr_deltas;
+ int i, baseobjects = nr_objects - nr_ref_deltas - nr_ofs_deltas;
unsigned long *chain_histogram = NULL;
if (deepest_delta)
@@ -1468,7 +1567,7 @@ static void show_pack_info(int stat_only)
struct object_entry *obj = &objects[i];
if (is_delta_type(obj->type))
- chain_histogram[obj->delta_depth - 1]++;
+ chain_histogram[obj_stat[i].delta_depth - 1]++;
if (stat_only)
continue;
printf("%s %-6s %lu %lu %"PRIuMAX,
@@ -1477,8 +1576,8 @@ static void show_pack_info(int stat_only)
(unsigned long)(obj[1].idx.offset - obj->idx.offset),
(uintmax_t)obj->idx.offset);
if (is_delta_type(obj->type)) {
- struct object_entry *bobj = &objects[obj->base_object_no];
- printf(" %u %s", obj->delta_depth, sha1_to_hex(bobj->idx.sha1));
+ struct object_entry *bobj = &objects[obj_stat[i].base_object_no];
+ printf(" %u %s", obj_stat[i].delta_depth, sha1_to_hex(bobj->idx.sha1));
}
putchar('\n');
}
@@ -1505,7 +1604,8 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix)
const char *curr_index;
const char *index_name = NULL, *pack_name = NULL;
const char *keep_name = NULL, *keep_msg = NULL;
- char *index_name_buf = NULL, *keep_name_buf = NULL;
+ struct strbuf index_name_buf = STRBUF_INIT,
+ keep_name_buf = STRBUF_INIT;
struct pack_idx_entry **idx_objects;
struct pack_idx_option opts;
unsigned char pack_sha1[20];
@@ -1515,6 +1615,7 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix)
usage(index_pack_usage);
check_replace_refs = 0;
+ fsck_options.walk = mark_link;
reset_pack_idx_option(&opts);
git_config(git_index_pack_config, &opts);
@@ -1532,6 +1633,10 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix)
} else if (!strcmp(arg, "--strict")) {
strict = 1;
do_fsck_object = 1;
+ } else if (skip_prefix(arg, "--strict=", &arg)) {
+ strict = 1;
+ do_fsck_object = 1;
+ fsck_set_msg_types(&fsck_options, arg);
} else if (!strcmp(arg, "--check-self-contained-and-connected")) {
strict = 1;
check_self_contained_and_connected = 1;
@@ -1602,24 +1707,22 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix)
if (fix_thin_pack && !from_stdin)
die(_("--fix-thin cannot be used without --stdin"));
if (!index_name && pack_name) {
- int len = strlen(pack_name);
- if (!has_extension(pack_name, ".pack"))
+ size_t len;
+ if (!strip_suffix(pack_name, ".pack", &len))
die(_("packfile name '%s' does not end with '.pack'"),
pack_name);
- index_name_buf = xmalloc(len);
- memcpy(index_name_buf, pack_name, len - 5);
- strcpy(index_name_buf + len - 5, ".idx");
- index_name = index_name_buf;
+ strbuf_add(&index_name_buf, pack_name, len);
+ strbuf_addstr(&index_name_buf, ".idx");
+ index_name = index_name_buf.buf;
}
if (keep_msg && !keep_name && pack_name) {
- int len = strlen(pack_name);
- if (!has_extension(pack_name, ".pack"))
+ size_t len;
+ if (!strip_suffix(pack_name, ".pack", &len))
die(_("packfile name '%s' does not end with '.pack'"),
pack_name);
- keep_name_buf = xmalloc(len);
- memcpy(keep_name_buf, pack_name, len - 5);
- strcpy(keep_name_buf + len - 5, ".keep");
- keep_name = keep_name_buf;
+ strbuf_add(&keep_name_buf, pack_name, len);
+ strbuf_addstr(&keep_name_buf, ".idx");
+ keep_name = keep_name_buf.buf;
}
if (verify) {
if (!index_name)
@@ -1642,11 +1745,14 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix)
curr_pack = open_pack_file(pack_name);
parse_pack_header();
objects = xcalloc(nr_objects + 1, sizeof(struct object_entry));
- deltas = xcalloc(nr_objects, sizeof(struct delta_entry));
+ if (show_stat)
+ obj_stat = xcalloc(nr_objects + 1, sizeof(struct object_stat));
+ ofs_deltas = xcalloc(nr_objects, sizeof(struct ofs_delta_entry));
parse_pack_objects(pack_sha1);
resolve_deltas();
conclude_pack(fix_thin_pack, curr_pack, pack_sha1);
- free(deltas);
+ free(ofs_deltas);
+ free(ref_deltas);
if (strict)
foreign_nr = check_objects();
@@ -1667,8 +1773,8 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix)
else
close(input_fd);
free(objects);
- free(index_name_buf);
- free(keep_name_buf);
+ strbuf_release(&index_name_buf);
+ strbuf_release(&keep_name_buf);
if (pack_name == NULL)
free((void *) curr_pack);
if (index_name == NULL)
diff --git a/builtin/init-db.c b/builtin/init-db.c
index 56f85e2..69323e1 100644
--- a/builtin/init-db.c
+++ b/builtin/init-db.c
@@ -4,6 +4,7 @@
* Copyright (C) Linus Torvalds, 2005
*/
#include "cache.h"
+#include "refs.h"
#include "builtin.h"
#include "exec_cmd.h"
#include "parse-options.h"
@@ -119,15 +120,18 @@ static void copy_templates(const char *template_dir)
DIR *dir;
const char *git_dir = get_git_dir();
int len = strlen(git_dir);
+ char *to_free = NULL;
if (!template_dir)
template_dir = getenv(TEMPLATE_DIR_ENVIRONMENT);
if (!template_dir)
template_dir = init_db_template_dir;
if (!template_dir)
- template_dir = system_path(DEFAULT_GIT_TEMPLATE_DIR);
- if (!template_dir[0])
+ template_dir = to_free = system_path(DEFAULT_GIT_TEMPLATE_DIR);
+ if (!template_dir[0]) {
+ free(to_free);
return;
+ }
template_len = strlen(template_dir);
if (PATH_MAX <= (template_len+strlen("/config")))
die(_("insanely long template path %s"), template_dir);
@@ -139,7 +143,7 @@ static void copy_templates(const char *template_dir)
dir = opendir(template_path);
if (!dir) {
warning(_("templates not found %s"), template_dir);
- return;
+ goto free_return;
}
/* Make sure that template is from the correct vintage */
@@ -155,8 +159,7 @@ static void copy_templates(const char *template_dir)
"a wrong format version %d from '%s'"),
repository_format_version,
template_dir);
- closedir(dir);
- return;
+ goto close_free_return;
}
memcpy(path, git_dir, len);
@@ -166,7 +169,10 @@ static void copy_templates(const char *template_dir)
copy_templates_1(path, len,
template_path, template_len,
dir);
+close_free_return:
closedir(dir);
+free_return:
+ free(to_free);
}
static int git_init_db_config(const char *k, const char *v, void *cb)
@@ -177,6 +183,20 @@ static int git_init_db_config(const char *k, const char *v, void *cb)
return 0;
}
+/*
+ * If the git_dir is not directly inside the working tree, then git will not
+ * find it by default, and we need to set the worktree explicitly.
+ */
+static int needs_work_tree_config(const char *git_dir, const char *work_tree)
+{
+ if (!strcmp(work_tree, "/") && !strcmp(git_dir, "/.git"))
+ return 0;
+ if (skip_prefix(git_dir, work_tree, &git_dir) &&
+ !strcmp(git_dir, "/.git"))
+ return 0;
+ return 1;
+}
+
static int create_default_files(const char *template_path)
{
const char *git_dir = get_git_dir();
@@ -254,7 +274,10 @@ static int create_default_files(const char *template_path)
struct stat st2;
filemode = (!chmod(path, st1.st_mode ^ S_IXUSR) &&
!lstat(path, &st2) &&
- st1.st_mode != st2.st_mode);
+ st1.st_mode != st2.st_mode &&
+ !chmod(path, st1.st_mode));
+ if (filemode && !reinit && (st1.st_mode & S_IXUSR))
+ filemode = 0;
}
git_config_set("core.filemode", filemode ? "true" : "false");
@@ -266,10 +289,8 @@ static int create_default_files(const char *template_path)
/* allow template config file to override the default */
if (log_all_ref_updates == -1)
git_config_set("core.logallrefupdates", "true");
- if (!starts_with(git_dir, work_tree) ||
- strcmp(git_dir + strlen(work_tree), "/.git")) {
+ if (needs_work_tree_config(git_dir, work_tree))
git_config_set("core.worktree", work_tree);
- }
}
if (!reinit) {
@@ -330,19 +351,18 @@ int set_git_dir_init(const char *git_dir, const char *real_git_dir,
* moving the target repo later on in separate_git_dir()
*/
git_link = xstrdup(real_path(git_dir));
+ set_git_dir(real_path(real_git_dir));
}
else {
- real_git_dir = real_path(git_dir);
+ set_git_dir(real_path(git_dir));
git_link = NULL;
}
- set_git_dir(real_path(real_git_dir));
return 0;
}
static void separate_git_dir(const char *git_dir)
{
struct stat st;
- FILE *fp;
if (!stat(git_link, &st)) {
const char *src;
@@ -358,11 +378,7 @@ static void separate_git_dir(const char *git_dir)
die_errno(_("unable to move %s to %s"), src, git_dir);
}
- fp = fopen(git_link, "w");
- if (!fp)
- die(_("Could not create git link %s"), git_link);
- fprintf(fp, "gitdir: %s\n", git_dir);
- fclose(fp);
+ write_file(git_link, "gitdir: %s", git_dir);
}
int init_db(const char *template_dir, unsigned int flags)
@@ -426,8 +442,9 @@ int init_db(const char *template_dir, unsigned int flags)
static int guess_repository_type(const char *git_dir)
{
- char cwd[PATH_MAX];
const char *slash;
+ char *cwd;
+ int cwd_is_git_dir;
/*
* "GIT_DIR=. git init" is always bare.
@@ -435,9 +452,10 @@ static int guess_repository_type(const char *git_dir)
*/
if (!strcmp(".", git_dir))
return 1;
- if (!getcwd(cwd, sizeof(cwd)))
- die_errno(_("cannot tell cwd"));
- if (!strcmp(git_dir, cwd))
+ cwd = xgetcwd();
+ cwd_is_git_dir = !strcmp(git_dir, cwd);
+ free(cwd);
+ if (cwd_is_git_dir)
return 1;
/*
* "GIT_DIR=.git or GIT_DIR=something/.git is usually not.
@@ -462,7 +480,7 @@ static int shared_callback(const struct option *opt, const char *arg, int unset)
}
static const char *const init_db_usage[] = {
- N_("git init [-q | --quiet] [--bare] [--template=<template-directory>] [--shared[=<permissions>]] [directory]"),
+ N_("git init [-q | --quiet] [--bare] [--template=<template-directory>] [--shared[=<permissions>]] [<directory>]"),
NULL
};
@@ -535,10 +553,9 @@ int cmd_init_db(int argc, const char **argv, const char *prefix)
usage(init_db_usage[0]);
}
if (is_bare_repository_cfg == 1) {
- static char git_dir[PATH_MAX+1];
-
- setenv(GIT_DIR_ENVIRONMENT,
- getcwd(git_dir, sizeof(git_dir)), argc > 0);
+ char *cwd = xgetcwd();
+ setenv(GIT_DIR_ENVIRONMENT, cwd, argc > 0);
+ free(cwd);
}
if (init_shared_repository != -1)
@@ -572,13 +589,10 @@ int cmd_init_db(int argc, const char **argv, const char *prefix)
git_work_tree_cfg = xstrdup(real_path(rel));
free(rel);
}
- if (!git_work_tree_cfg) {
- git_work_tree_cfg = xcalloc(PATH_MAX, 1);
- if (!getcwd(git_work_tree_cfg, PATH_MAX))
- die_errno (_("Cannot access current working directory"));
- }
+ if (!git_work_tree_cfg)
+ git_work_tree_cfg = xgetcwd();
if (work_tree)
- set_git_work_tree(real_path(work_tree));
+ set_git_work_tree(work_tree);
else
set_git_work_tree(git_work_tree_cfg);
if (access(get_git_work_tree(), X_OK))
@@ -587,7 +601,7 @@ int cmd_init_db(int argc, const char **argv, const char *prefix)
}
else {
if (work_tree)
- set_git_work_tree(real_path(work_tree));
+ set_git_work_tree(work_tree);
}
set_git_dir_init(git_dir, real_git_dir, 1);
diff --git a/builtin/interpret-trailers.c b/builtin/interpret-trailers.c
new file mode 100644
index 0000000..46838d2
--- /dev/null
+++ b/builtin/interpret-trailers.c
@@ -0,0 +1,44 @@
+/*
+ * Builtin "git interpret-trailers"
+ *
+ * Copyright (c) 2013, 2014 Christian Couder <chriscool@tuxfamily.org>
+ *
+ */
+
+#include "cache.h"
+#include "builtin.h"
+#include "parse-options.h"
+#include "string-list.h"
+#include "trailer.h"
+
+static const char * const git_interpret_trailers_usage[] = {
+ N_("git interpret-trailers [--trim-empty] [(--trailer <token>[(=|:)<value>])...] [<file>...]"),
+ NULL
+};
+
+int cmd_interpret_trailers(int argc, const char **argv, const char *prefix)
+{
+ int trim_empty = 0;
+ struct string_list trailers = STRING_LIST_INIT_DUP;
+
+ struct option options[] = {
+ OPT_BOOL(0, "trim-empty", &trim_empty, N_("trim empty trailers")),
+ OPT_STRING_LIST(0, "trailer", &trailers, N_("trailer"),
+ N_("trailer(s) to add")),
+ OPT_END()
+ };
+
+ argc = parse_options(argc, argv, prefix, options,
+ git_interpret_trailers_usage, 0);
+
+ if (argc) {
+ int i;
+ for (i = 0; i < argc; i++)
+ process_trailers(argv[i], trim_empty, &trailers);
+ } else
+ process_trailers(NULL, trim_empty, &trailers);
+
+ string_list_clear(&trailers, 0);
+
+ return 0;
+}
diff --git a/builtin/log.c b/builtin/log.c
index 4f67813..a491d3d 100644
--- a/builtin/log.c
+++ b/builtin/log.c
@@ -5,6 +5,7 @@
* 2006 Junio Hamano
*/
#include "cache.h"
+#include "refs.h"
#include "color.h"
#include "commit.h"
#include "diff.h"
@@ -31,6 +32,7 @@ static const char *default_date_mode = NULL;
static int default_abbrev_commit;
static int default_show_root = 1;
+static int default_follow;
static int decoration_style;
static int decoration_given;
static int use_mailmap_config;
@@ -38,8 +40,8 @@ static const char *fmt_patch_subject_prefix = "PATCH";
static const char *fmt_pretty;
static const char * const builtin_log_usage[] = {
- N_("git log [<options>] [<revision range>] [[--] <path>...]\n")
- N_(" or: git show [options] <object>..."),
+ N_("git log [<options>] [<revision-range>] [[--] <path>...]"),
+ N_("git show [<options>] <object>..."),
NULL
};
@@ -63,6 +65,8 @@ static int parse_decoration_style(const char *var, const char *value)
return DECORATE_FULL_REFS;
else if (!strcmp(value, "short"))
return DECORATE_SHORT_REFS;
+ else if (!strcmp(value, "auto"))
+ return (isatty(1) || pager_in_use()) ? DECORATE_SHORT_REFS : 0;
return -1;
}
@@ -76,7 +80,7 @@ static int decorate_callback(const struct option *opt, const char *arg, int unse
decoration_style = DECORATE_SHORT_REFS;
if (decoration_style < 0)
- die("invalid --decorate option: %s", arg);
+ die(_("invalid --decorate option: %s"), arg);
decoration_given = 1;
@@ -100,6 +104,8 @@ static void cmd_log_init_defaults(struct rev_info *rev)
{
if (fmt_pretty)
get_commit_format(fmt_pretty, rev);
+ if (default_follow)
+ DIFF_OPT_SET(&rev->diffopt, DEFAULT_FOLLOW_RENAMES);
rev->verbose_header = 1;
DIFF_OPT_SET(&rev->diffopt, RECURSIVE);
rev->diffopt.stat_width = -1; /* use full terminal width */
@@ -110,7 +116,7 @@ static void cmd_log_init_defaults(struct rev_info *rev)
DIFF_OPT_SET(&rev->diffopt, ALLOW_TEXTCONV);
if (default_date_mode)
- rev->date_mode = parse_date_format(default_date_mode);
+ parse_date_format(default_date_mode, &rev->date_mode);
rev->diffopt.touched_flags = 0;
}
@@ -128,7 +134,7 @@ static void cmd_log_init_finish(int argc, const char **argv, const char *prefix,
{ OPTION_CALLBACK, 0, "decorate", NULL, NULL, N_("decorate options"),
PARSE_OPT_OPTARG, decorate_callback},
OPT_CALLBACK('L', NULL, &line_cb, "n,m:file",
- "Process line range n,m in file, counting from 1",
+ N_("Process line range n,m in file, counting from 1"),
log_line_range_callback),
OPT_END()
};
@@ -148,7 +154,7 @@ static void cmd_log_init_finish(int argc, const char **argv, const char *prefix,
/* Any arguments at this point are not recognized */
if (argc > 1)
- die("unrecognized argument: %s", argv[1]);
+ die(_("unrecognized argument: %s"), argv[1]);
memset(&w, 0, sizeof(w));
userformat_find_requirements(NULL, &w);
@@ -336,8 +342,7 @@ static int cmd_log_walk(struct rev_info *rev)
* retain that state information if replacing rev->diffopt in this loop
*/
while ((commit = get_revision(rev)) != NULL) {
- if (!log_tree_commit(rev, commit) &&
- rev->max_count >= 0)
+ if (!log_tree_commit(rev, commit) && rev->max_count >= 0)
/*
* We decremented max_count in get_revision,
* but we didn't actually show the commit.
@@ -366,6 +371,8 @@ static int cmd_log_walk(struct rev_info *rev)
static int git_log_config(const char *var, const char *value, void *cb)
{
+ const char *slot_name;
+
if (!strcmp(var, "format.pretty"))
return git_config_string(&fmt_pretty, var, value);
if (!strcmp(var, "format.subjectprefix"))
@@ -386,8 +393,12 @@ static int git_log_config(const char *var, const char *value, void *cb)
default_show_root = git_config_bool(var, value);
return 0;
}
- if (starts_with(var, "color.decorate."))
- return parse_decorate_color_config(var, 15, value);
+ if (!strcmp(var, "log.follow")) {
+ default_follow = git_config_bool(var, value);
+ return 0;
+ }
+ if (skip_prefix(var, "color.decorate.", &slot_name))
+ return parse_decorate_color_config(var, slot_name, value);
if (!strcmp(var, "log.mailmap")) {
use_mailmap_config = git_config_bool(var, value);
return 0;
@@ -445,13 +456,13 @@ static int show_blob_object(const unsigned char *sha1, struct rev_info *rev, con
return stream_blob_to_fd(1, sha1, NULL, 0);
if (get_sha1_with_context(obj_name, 0, sha1c, &obj_context))
- die("Not a valid object name %s", obj_name);
+ die(_("Not a valid object name %s"), obj_name);
if (!obj_context.path[0] ||
!textconv_object(obj_context.path, obj_context.mode, sha1c, 1, &buf, &size))
return stream_blob_to_fd(1, sha1, NULL, 0);
if (!buf)
- die("git show %s: bad file", obj_name);
+ die(_("git show %s: bad file"), obj_name);
write_or_die(1, buf, size);
return 0;
@@ -485,14 +496,15 @@ static int show_tag_object(const unsigned char *sha1, struct rev_info *rev)
}
static int show_tree_object(const unsigned char *sha1,
- const char *base, int baselen,
+ struct strbuf *base,
const char *pathname, unsigned mode, int stage, void *context)
{
printf("%s%s\n", pathname, S_ISDIR(mode) ? "/" : "");
return 0;
}
-static void show_rev_tweak_rev(struct rev_info *rev, struct setup_revision_opt *opt)
+static void show_setup_revisions_tweak(struct rev_info *rev,
+ struct setup_revision_opt *opt)
{
if (rev->ignore_merges) {
/* There was no "-m" on the command line */
@@ -527,7 +539,7 @@ int cmd_show(int argc, const char **argv, const char *prefix)
memset(&opt, 0, sizeof(opt));
opt.def = "HEAD";
- opt.tweak = show_rev_tweak_rev;
+ opt.tweak = show_setup_revisions_tweak;
cmd_log_init(argc, argv, prefix, &rev, &opt);
if (!rev.no_walk)
@@ -614,6 +626,22 @@ int cmd_log_reflog(int argc, const char **argv, const char *prefix)
return cmd_log_walk(&rev);
}
+static void log_setup_revisions_tweak(struct rev_info *rev,
+ struct setup_revision_opt *opt)
+{
+ if (DIFF_OPT_TST(&rev->diffopt, DEFAULT_FOLLOW_RENAMES) &&
+ rev->prune_data.nr == 1)
+ DIFF_OPT_SET(&rev->diffopt, FOLLOW_RENAMES);
+
+ /* Turn --cc/-c into -p --cc/-c when -p was not given */
+ if (!rev->diffopt.output_format && rev->combine_merges)
+ rev->diffopt.output_format = DIFF_FORMAT_PATCH;
+
+ /* Turn -m on when --cc/-c was given */
+ if (rev->combine_merges)
+ rev->ignore_merges = 0;
+}
+
int cmd_log(int argc, const char **argv, const char *prefix)
{
struct rev_info rev;
@@ -627,6 +655,7 @@ int cmd_log(int argc, const char **argv, const char *prefix)
memset(&opt, 0, sizeof(opt));
opt.def = "HEAD";
opt.revarg_opt = REVARG_COMMITTISH;
+ opt.tweak = log_setup_revisions_tweak;
cmd_log_init(argc, argv, prefix, &rev, &opt);
return cmd_log_walk(&rev);
}
@@ -668,6 +697,7 @@ static void add_header(const char *value)
static int thread;
static int do_signoff;
static const char *signature = git_version_string;
+static const char *signature_file;
static int config_cover_letter;
enum {
@@ -700,7 +730,7 @@ static int git_format_config(const char *var, const char *value, void *cb)
return 0;
}
if (!strcmp(var, "diff.color") || !strcmp(var, "color.diff") ||
- !strcmp(var, "color.ui")) {
+ !strcmp(var, "color.ui") || !strcmp(var, "diff.submodule")) {
return 0;
}
if (!strcmp(var, "format.numbered")) {
@@ -737,6 +767,8 @@ static int git_format_config(const char *var, const char *value, void *cb)
}
if (!strcmp(var, "format.signature"))
return git_config_string(&signature, var, value);
+ if (!strcmp(var, "format.signaturefile"))
+ return git_config_pathname(&signature_file, var, value);
if (!strcmp(var, "format.coverletter")) {
if (value && !strcasecmp(value, "auto")) {
config_cover_letter = COVER_AUTO;
@@ -788,7 +820,7 @@ static int reopen_stdout(struct commit *commit, const char *subject,
static void get_patch_ids(struct rev_info *rev, struct patch_ids *ids)
{
struct rev_info check_rev;
- struct commit *commit;
+ struct commit *commit, *c1, *c2;
struct object *o1, *o2;
unsigned flags1, flags2;
@@ -796,9 +828,11 @@ static void get_patch_ids(struct rev_info *rev, struct patch_ids *ids)
die(_("Need exactly one range."));
o1 = rev->pending.objects[0].item;
- flags1 = o1->flags;
o2 = rev->pending.objects[1].item;
+ flags1 = o1->flags;
flags2 = o2->flags;
+ c1 = lookup_commit_reference(o1->sha1);
+ c2 = lookup_commit_reference(o2->sha1);
if ((flags1 & UNINTERESTING) == (flags2 & UNINTERESTING))
die(_("Not a range."));
@@ -820,10 +854,8 @@ static void get_patch_ids(struct rev_info *rev, struct patch_ids *ids)
}
/* reset for next revision walk */
- clear_commit_marks((struct commit *)o1,
- SEEN | UNINTERESTING | SHOWN | ADDED);
- clear_commit_marks((struct commit *)o2,
- SEEN | UNINTERESTING | SHOWN | ADDED);
+ clear_commit_marks(c1, SEEN | UNINTERESTING | SHOWN | ADDED);
+ clear_commit_marks(c2, SEEN | UNINTERESTING | SHOWN | ADDED);
o1->flags = flags1;
o2->flags = flags2;
}
@@ -839,8 +871,13 @@ static void gen_message_id(struct rev_info *info, char *base)
static void print_signature(void)
{
- if (signature && *signature)
- printf("-- \n%s\n\n", signature);
+ if (!signature || !*signature)
+ return;
+
+ printf("-- \n%s", signature);
+ if (signature[strlen(signature)-1] != '\n')
+ putchar('\n');
+ putchar('\n');
}
static void add_branch_description(struct strbuf *buf, const char *branch_name)
@@ -851,9 +888,10 @@ static void add_branch_description(struct strbuf *buf, const char *branch_name)
read_branch_desc(&desc, branch_name);
if (desc.len) {
strbuf_addch(buf, '\n');
- strbuf_add(buf, desc.buf, desc.len);
+ strbuf_addbuf(buf, &desc);
strbuf_addch(buf, '\n');
}
+ strbuf_release(&desc);
}
static char *find_branch_name(struct rev_info *rev)
@@ -861,7 +899,7 @@ static char *find_branch_name(struct rev_info *rev)
int i, positive = -1;
unsigned char branch_sha1[20];
const unsigned char *tip_sha1;
- const char *ref;
+ const char *ref, *v;
char *full_ref, *branch = NULL;
for (i = 0; i < rev->cmdline.nr; i++) {
@@ -877,9 +915,9 @@ static char *find_branch_name(struct rev_info *rev)
ref = rev->cmdline.rev[positive].name;
tip_sha1 = rev->cmdline.rev[positive].item->sha1;
if (dwim_ref(ref, strlen(ref), branch_sha1, &full_ref) &&
- starts_with(full_ref, "refs/heads/") &&
+ skip_prefix(full_ref, "refs/heads/", &v) &&
!hashcmp(tip_sha1, branch_sha1))
- branch = xstrdup(full_ref + strlen("refs/heads/"));
+ branch = xstrdup(v);
free(full_ref);
return branch;
}
@@ -926,7 +964,7 @@ static void make_cover_letter(struct rev_info *rev, int use_stdout,
msg = body;
pp.fmt = CMIT_FMT_EMAIL;
- pp.date_mode = DATE_RFC2822;
+ pp.date_mode.type = DATE_RFC2822;
pp_user_info(&pp, NULL, &sb, committer, encoding);
pp_title_line(&pp, &msg, &sb, encoding, need_8bit_cte);
pp_remainder(&pp, &msg, &sb, 0);
@@ -1010,7 +1048,7 @@ static const char *set_outdir(const char *prefix, const char *output_directory)
}
static const char * const builtin_format_patch_usage[] = {
- N_("git format-patch [options] [<since> | <revision range>]"),
+ N_("git format-patch [<options>] [<since> | <revision-range>]"),
NULL
};
@@ -1228,6 +1266,8 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
PARSE_OPT_OPTARG, thread_callback },
OPT_STRING(0, "signature", &signature, N_("signature"),
N_("add a signature")),
+ OPT_FILENAME(0, "signature-file", &signature_file,
+ N_("add a signature from a file")),
OPT__QUIET(&quiet, N_("don't print the patch filenames")),
OPT_END()
};
@@ -1384,10 +1424,11 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
if (check_head) {
unsigned char sha1[20];
- const char *ref;
- ref = resolve_ref_unsafe("HEAD", sha1, 1, NULL);
- if (ref && starts_with(ref, "refs/heads/"))
- branch_name = xstrdup(ref + strlen("refs/heads/"));
+ const char *ref, *v;
+ ref = resolve_ref_unsafe("HEAD", RESOLVE_REF_READING,
+ sha1, NULL);
+ if (ref && skip_prefix(ref, "refs/heads/", &v))
+ branch_name = xstrdup(v);
else
branch_name = xstrdup(""); /* no branch */
}
@@ -1422,12 +1463,11 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
continue;
}
- if (ignore_if_in_upstream &&
- has_commit_patch_id(commit, &ids))
+ if (ignore_if_in_upstream && has_commit_patch_id(commit, &ids))
continue;
nr++;
- list = xrealloc(list, nr * sizeof(list[0]));
+ REALLOC_ARRAY(list, nr);
list[nr - 1] = commit;
}
if (nr == 0)
@@ -1445,6 +1485,18 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
cover_letter = (config_cover_letter == COVER_ON);
}
+ if (!signature) {
+ ; /* --no-signature inhibits all signatures */
+ } else if (signature && signature != git_version_string) {
+ ; /* non-default signature already set */
+ } else if (signature_file) {
+ struct strbuf buf = STRBUF_INIT;
+
+ if (strbuf_read_file(&buf, signature_file, 128) < 0)
+ die_errno(_("unable to read signature file '%s'"), signature_file);
+ signature = strbuf_detach(&buf, NULL);
+ }
+
if (in_reply_to || thread || cover_letter)
rev.ref_message_ids = xcalloc(1, sizeof(struct string_list));
if (in_reply_to) {
@@ -1604,16 +1656,13 @@ int cmd_cherry(int argc, const char **argv, const char *prefix)
break;
default:
current_branch = branch_get(NULL);
- if (!current_branch || !current_branch->merge
- || !current_branch->merge[0]
- || !current_branch->merge[0]->dst) {
+ upstream = branch_get_upstream(current_branch, NULL);
+ if (!upstream) {
fprintf(stderr, _("Could not find a tracked"
" remote branch, please"
" specify <upstream> manually.\n"));
usage_with_options(cherry_usage, options);
}
-
- upstream = current_branch->merge[0]->dst;
}
init_revisions(&revs, prefix);
diff --git a/builtin/ls-files.c b/builtin/ls-files.c
index 47c3880..b6a7cb0 100644
--- a/builtin/ls-files.c
+++ b/builtin/ls-files.c
@@ -354,51 +354,8 @@ void overlay_tree_on_cache(const char *tree_name, const char *prefix)
}
}
-int report_path_error(const char *ps_matched,
- const struct pathspec *pathspec,
- const char *prefix)
-{
- /*
- * Make sure all pathspec matched; otherwise it is an error.
- */
- struct strbuf sb = STRBUF_INIT;
- int num, errors = 0;
- for (num = 0; num < pathspec->nr; num++) {
- int other, found_dup;
-
- if (ps_matched[num])
- continue;
- /*
- * The caller might have fed identical pathspec
- * twice. Do not barf on such a mistake.
- * FIXME: parse_pathspec should have eliminated
- * duplicate pathspec.
- */
- for (found_dup = other = 0;
- !found_dup && other < pathspec->nr;
- other++) {
- if (other == num || !ps_matched[other])
- continue;
- if (!strcmp(pathspec->items[other].original,
- pathspec->items[num].original))
- /*
- * Ok, we have a match already.
- */
- found_dup = 1;
- }
- if (found_dup)
- continue;
-
- error("pathspec '%s' did not match any file(s) known to git.",
- pathspec->items[num].original);
- errors++;
- }
- strbuf_release(&sb);
- return errors;
-}
-
static const char * const ls_files_usage[] = {
- N_("git ls-files [options] [<file>...]"),
+ N_("git ls-files [<options>] [<file>...]"),
NULL
};
@@ -474,7 +431,7 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix)
OPT_BOOL('k', "killed", &show_killed,
N_("show files on the filesystem that need to be removed")),
OPT_BIT(0, "directory", &dir.flags,
- N_("show 'other' directories' name only"),
+ N_("show 'other' directories' names only"),
DIR_SHOW_OTHER_DIRECTORIES),
OPT_NEGBIT(0, "empty-directory", &dir.flags,
N_("don't show empty directories"),
@@ -559,7 +516,7 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix)
/* Treat unmatching pathspec elements as errors */
if (pathspec.nr && error_unmatch)
- ps_matched = xcalloc(1, pathspec.nr);
+ ps_matched = xcalloc(pathspec.nr, 1);
if ((dir.flags & DIR_SHOW_IGNORED) && !exc_given)
die("ls-files --ignored needs some exclude pattern");
diff --git a/builtin/ls-remote.c b/builtin/ls-remote.c
index b2a4b92..4554dbc 100644
--- a/builtin/ls-remote.c
+++ b/builtin/ls-remote.c
@@ -5,7 +5,7 @@
static const char ls_remote_usage[] =
"git ls-remote [--heads] [--tags] [-u <exec> | --upload-pack <exec>]\n"
-" [-q|--quiet] [--exit-code] [--get-url] [<repository> [<refs>...]]";
+" [-q | --quiet] [--exit-code] [--get-url] [<repository> [<refs>...]]";
/*
* Is there one among the list of patterns that match the tail part
diff --git a/builtin/ls-tree.c b/builtin/ls-tree.c
index 51184df..3b04a0f 100644
--- a/builtin/ls-tree.c
+++ b/builtin/ls-tree.c
@@ -61,10 +61,11 @@ static int show_recursive(const char *base, int baselen, const char *pathname)
}
}
-static int show_tree(const unsigned char *sha1, const char *base, int baselen,
+static int show_tree(const unsigned char *sha1, struct strbuf *base,
const char *pathname, unsigned mode, int stage, void *context)
{
int retval = 0;
+ int baselen;
const char *type = blob_type;
if (S_ISGITLINK(mode)) {
@@ -79,7 +80,7 @@ static int show_tree(const unsigned char *sha1, const char *base, int baselen,
*/
type = commit_type;
} else if (S_ISDIR(mode)) {
- if (show_recursive(base, baselen, pathname)) {
+ if (show_recursive(base->buf, base->len, pathname)) {
retval = READ_TREE_RECURSIVE;
if (!(ls_options & LS_SHOW_TREES))
return retval;
@@ -89,10 +90,6 @@ static int show_tree(const unsigned char *sha1, const char *base, int baselen,
else if (ls_options & LS_TREE_ONLY)
return 0;
- if (chomp_prefix &&
- (baselen < chomp_prefix || memcmp(ls_tree_prefix, base, chomp_prefix)))
- return 0;
-
if (!(ls_options & LS_NAME_ONLY)) {
if (ls_options & LS_SHOW_SIZE) {
char size_text[24];
@@ -112,8 +109,12 @@ static int show_tree(const unsigned char *sha1, const char *base, int baselen,
printf("%06o %s %s\t", mode, type,
find_unique_abbrev(sha1, abbrev));
}
- write_name_quotedpfx(base + chomp_prefix, baselen - chomp_prefix,
- pathname, stdout, line_termination);
+ baselen = base->len;
+ strbuf_addstr(base, pathname);
+ write_name_quoted_relative(base->buf,
+ chomp_prefix ? ls_tree_prefix : NULL,
+ stdout, line_termination);
+ strbuf_setlen(base, baselen);
return retval;
}
@@ -173,7 +174,8 @@ int cmd_ls_tree(int argc, const char **argv, const char *prefix)
* cannot be lifted until it is converted to use
* match_pathspec() or tree_entry_interesting()
*/
- parse_pathspec(&pathspec, PATHSPEC_GLOB | PATHSPEC_ICASE,
+ parse_pathspec(&pathspec, PATHSPEC_GLOB | PATHSPEC_ICASE |
+ PATHSPEC_EXCLUDE,
PATHSPEC_PREFER_CWD,
prefix, argv + 1);
for (i = 0; i < pathspec.nr; i++)
diff --git a/builtin/mailinfo.c b/builtin/mailinfo.c
index cf11c8d..999a525 100644
--- a/builtin/mailinfo.c
+++ b/builtin/mailinfo.c
@@ -15,6 +15,7 @@ static const char *metainfo_charset;
static struct strbuf line = STRBUF_INIT;
static struct strbuf name = STRBUF_INIT;
static struct strbuf email = STRBUF_INIT;
+static char *message_id;
static enum {
TE_DONTCARE, TE_QP, TE_BASE64
@@ -24,6 +25,7 @@ static struct strbuf charset = STRBUF_INIT;
static int patch_lines;
static struct strbuf **p_hdr_data, **s_hdr_data;
static int use_scissors;
+static int add_message_id;
static int use_inbody_headers = 1;
#define MAX_HDR_PARSED 10
@@ -198,6 +200,12 @@ static void handle_content_type(struct strbuf *line)
}
}
+static void handle_message_id(const struct strbuf *line)
+{
+ if (add_message_id)
+ message_id = strdup(line->buf);
+}
+
static void handle_content_transfer_encoding(const struct strbuf *line)
{
if (strcasestr(line->buf, "base64"))
@@ -288,6 +296,22 @@ static inline int cmp_header(const struct strbuf *line, const char *hdr)
line->buf[len] == ':' && isspace(line->buf[len + 1]);
}
+static int is_format_patch_separator(const char *line, int len)
+{
+ static const char SAMPLE[] =
+ "From e6807f3efca28b30decfecb1732a56c7db1137ee Mon Sep 17 00:00:00 2001\n";
+ const char *cp;
+
+ if (len != strlen(SAMPLE))
+ return 0;
+ if (!skip_prefix(line, "From ", &cp))
+ return 0;
+ if (strspn(cp, "0123456789abcdef") != 40)
+ return 0;
+ cp += 40;
+ return !memcmp(SAMPLE + (cp - line), cp, strlen(SAMPLE) - (cp - line));
+}
+
static int check_header(const struct strbuf *line,
struct strbuf *hdr_data[], int overwrite)
{
@@ -326,10 +350,18 @@ static int check_header(const struct strbuf *line,
ret = 1;
goto check_header_out;
}
+ if (cmp_header(line, "Message-Id")) {
+ len = strlen("Message-Id: ");
+ strbuf_add(&sb, line->buf + len, line->len - len);
+ decode_header(&sb);
+ handle_message_id(&sb);
+ ret = 1;
+ goto check_header_out;
+ }
/* for inbody stuff */
if (starts_with(line->buf, ">From") && isspace(line->buf[5])) {
- ret = 1; /* Should this return 0? */
+ ret = is_format_patch_separator(line->buf + 1, line->len - 1);
goto check_header_out;
}
if (starts_with(line->buf, "[PATCH]") && isspace(line->buf[7])) {
@@ -800,6 +832,8 @@ static int handle_commit_msg(struct strbuf *line)
}
if (patchbreak(line)) {
+ if (message_id)
+ fprintf(cmitmsg, "Message-Id: %s\n", message_id);
fclose(cmitmsg);
cmitmsg = NULL;
return 1;
@@ -997,7 +1031,7 @@ static int git_mailinfo_config(const char *var, const char *value, void *unused)
}
static const char mailinfo_usage[] =
- "git mailinfo [-k|-b] [-u | --encoding=<encoding> | -n] [--scissors | --no-scissors] msg patch < mail >info";
+ "git mailinfo [-k | -b] [-m | --message-id] [-u | --encoding=<encoding> | -n] [--scissors | --no-scissors] <msg> <patch> < mail >info";
int cmd_mailinfo(int argc, const char **argv, const char *prefix)
{
@@ -1016,6 +1050,8 @@ int cmd_mailinfo(int argc, const char **argv, const char *prefix)
keep_subject = 1;
else if (!strcmp(argv[1], "-b"))
keep_non_patch_brackets_in_subject = 1;
+ else if (!strcmp(argv[1], "-m") || !strcmp(argv[1], "--message-id"))
+ add_message_id = 1;
else if (!strcmp(argv[1], "-u"))
metainfo_charset = def_charset;
else if (!strcmp(argv[1], "-n"))
diff --git a/builtin/mailsplit.c b/builtin/mailsplit.c
index 06296d4..8e02ea1 100644
--- a/builtin/mailsplit.c
+++ b/builtin/mailsplit.c
@@ -53,14 +53,15 @@ static int keep_cr;
*/
static int split_one(FILE *mbox, const char *name, int allow_bare)
{
- FILE *output = NULL;
+ FILE *output;
int fd;
int status = 0;
int is_bare = !is_from_line(buf.buf, buf.len);
- if (is_bare && !allow_bare)
- goto corrupt;
-
+ if (is_bare && !allow_bare) {
+ fprintf(stderr, "corrupt mailbox\n");
+ exit(1);
+ }
fd = open(name, O_WRONLY | O_CREAT | O_EXCL, 0666);
if (fd < 0)
die_errno("cannot open output file '%s'", name);
@@ -91,13 +92,6 @@ static int split_one(FILE *mbox, const char *name, int allow_bare)
}
fclose(output);
return status;
-
- corrupt:
- if (output)
- fclose(output);
- unlink(name);
- fprintf(stderr, "corrupt mailbox\n");
- exit(1);
}
static int populate_maildir_list(struct string_list *list, const char *path)
diff --git a/builtin/merge-base.c b/builtin/merge-base.c
index 0ecde8d..08a8217 100644
--- a/builtin/merge-base.c
+++ b/builtin/merge-base.c
@@ -10,7 +10,7 @@ static int show_merge_base(struct commit **rev, int rev_nr, int show_all)
{
struct commit_list *result;
- result = get_merge_bases_many(rev[0], rev_nr - 1, rev + 1, 0);
+ result = get_merge_bases_many_dirty(rev[0], rev_nr - 1, rev + 1);
if (!result)
return 1;
@@ -26,8 +26,8 @@ static int show_merge_base(struct commit **rev, int rev_nr, int show_all)
}
static const char * const merge_base_usage[] = {
- N_("git merge-base [-a|--all] <commit> <commit>..."),
- N_("git merge-base [-a|--all] --octopus <commit>..."),
+ N_("git merge-base [-a | --all] <commit> <commit>..."),
+ N_("git merge-base [-a | --all] --octopus <commit>..."),
N_("git merge-base --independent <commit>..."),
N_("git merge-base --is-ancestor <commit> <commit>"),
N_("git merge-base --fork-point <ref> [<commit>]"),
@@ -176,7 +176,7 @@ static int handle_fork_point(int argc, const char **argv)
for (i = 0; i < revs.nr; i++)
revs.commit[i]->object.flags &= ~TMP_MARK;
- bases = get_merge_bases_many(derived, revs.nr, revs.commit, 0);
+ bases = get_merge_bases_many_dirty(derived, revs.nr, revs.commit);
/*
* There should be one and only one merge base, when we found
diff --git a/builtin/merge-file.c b/builtin/merge-file.c
index 844f84f..ea8093f 100644
--- a/builtin/merge-file.c
+++ b/builtin/merge-file.c
@@ -5,7 +5,7 @@
#include "parse-options.h"
static const char *const merge_file_usage[] = {
- N_("git merge-file [options] [-L name1 [-L orig [-L name2]]] file1 orig_file file2"),
+ N_("git merge-file [<options>] [-L <name1> [-L <orig> [-L <name2>]]] <file1> <orig-file> <file2>"),
NULL
};
@@ -42,7 +42,7 @@ int cmd_merge_file(int argc, const char **argv, const char *prefix)
N_("for conflicts, use this marker size")),
OPT__QUIET(&quiet, N_("do not warn about conflicts")),
OPT_CALLBACK('L', NULL, names, N_("name"),
- N_("set labels for file1/orig_file/file2"), &label_cb),
+ N_("set labels for file1/orig-file/file2"), &label_cb),
OPT_END(),
};
@@ -90,7 +90,8 @@ int cmd_merge_file(int argc, const char **argv, const char *prefix)
if (ret >= 0) {
const char *filename = argv[0];
- FILE *f = to_stdout ? stdout : fopen(filename, "wb");
+ const char *fpath = prefix_filename(prefix, prefixlen, argv[0]);
+ FILE *f = to_stdout ? stdout : fopen(fpath, "wb");
if (!f)
ret = error("Could not open %s for writing", filename);
diff --git a/builtin/merge-index.c b/builtin/merge-index.c
index b416d92..1a1eafa 100644
--- a/builtin/merge-index.c
+++ b/builtin/merge-index.c
@@ -75,7 +75,7 @@ int cmd_merge_index(int argc, const char **argv, const char *prefix)
signal(SIGCHLD, SIG_DFL);
if (argc < 3)
- usage("git merge-index [-o] [-q] <merge-program> (-a | [--] <filename>*)");
+ usage("git merge-index [-o] [-q] <merge-program> (-a | [--] [<filename>...])");
read_cache();
diff --git a/builtin/merge-tree.c b/builtin/merge-tree.c
index 61cbde4..f9ab485 100644
--- a/builtin/merge-tree.c
+++ b/builtin/merge-tree.c
@@ -25,7 +25,7 @@ static void add_merge_entry(struct merge_list *entry)
merge_result_end = &entry->next;
}
-static void merge_trees_recursive(struct tree_desc t[3], const char *base, int df_conflict);
+static void merge_trees(struct tree_desc t[3], const char *base);
static const char *explanation(struct merge_list *entry)
{
@@ -195,8 +195,8 @@ static void resolve(const struct traverse_info *info, struct name_entry *ours, s
add_merge_entry(final);
}
-static void unresolved_directory(const struct traverse_info *info, struct name_entry n[3],
- int df_conflict)
+static void unresolved_directory(const struct traverse_info *info,
+ struct name_entry n[3])
{
char *newbase;
struct name_entry *p;
@@ -218,7 +218,7 @@ static void unresolved_directory(const struct traverse_info *info, struct name_e
buf2 = fill_tree_descriptor(t+2, ENTRY_SHA1(n + 2));
#undef ENTRY_SHA1
- merge_trees_recursive(t, newbase, df_conflict);
+ merge_trees(t, newbase);
free(buf0);
free(buf1);
@@ -259,7 +259,7 @@ static void unresolved(const struct traverse_info *info, struct name_entry n[3])
dirmask |= (1 << i);
}
- unresolved_directory(info, n, dirmask && (dirmask != mask));
+ unresolved_directory(info, n);
if (dirmask == mask)
return;
@@ -335,21 +335,15 @@ static int threeway_callback(int n, unsigned long mask, unsigned long dirmask, s
return mask;
}
-static void merge_trees_recursive(struct tree_desc t[3], const char *base, int df_conflict)
+static void merge_trees(struct tree_desc t[3], const char *base)
{
struct traverse_info info;
setup_traverse_info(&info, base);
- info.data = &df_conflict;
info.fn = threeway_callback;
traverse_trees(3, t, &info);
}
-static void merge_trees(struct tree_desc t[3], const char *base)
-{
- merge_trees_recursive(t, base, 0);
-}
-
static void *get_tree_descriptor(struct tree_desc *desc, const char *rev)
{
unsigned char sha1[20];
diff --git a/builtin/merge.c b/builtin/merge.c
index 8763b2e..a0edaca 100644
--- a/builtin/merge.c
+++ b/builtin/merge.c
@@ -9,6 +9,7 @@
#include "cache.h"
#include "parse-options.h"
#include "builtin.h"
+#include "lockfile.h"
#include "run-command.h"
#include "diff.h"
#include "refs.h"
@@ -28,6 +29,7 @@
#include "remote.h"
#include "fmt-merge-msg.h"
#include "gpg-interface.h"
+#include "sequencer.h"
#define DEFAULT_TWOHEAD (1<<0)
#define DEFAULT_OCTOPUS (1<<1)
@@ -40,8 +42,8 @@ struct strategy {
};
static const char * const builtin_merge_usage[] = {
- N_("git merge [options] [<commit>...]"),
- N_("git merge [options] <msg> HEAD <commit>"),
+ N_("git merge [<options>] [<commit>...]"),
+ N_("git merge [<options>] <msg> HEAD <commit>"),
N_("git merge --abort"),
NULL
};
@@ -63,7 +65,7 @@ static int verbosity;
static int allow_rerere_auto;
static int abort_current_merge;
static int show_progress = -1;
-static int default_to_upstream;
+static int default_to_upstream = 1;
static const char *sign_commit;
static struct strategy all_strategy[] = {
@@ -229,19 +231,18 @@ static struct option builtin_merge_options[] = {
/* Cleans up metadata that is uninteresting after a succeeded merge. */
static void drop_save(void)
{
- unlink(git_path("MERGE_HEAD"));
- unlink(git_path("MERGE_MSG"));
- unlink(git_path("MERGE_MODE"));
+ unlink(git_path_merge_head());
+ unlink(git_path_merge_msg());
+ unlink(git_path_merge_mode());
}
static int save_state(unsigned char *stash)
{
int len;
- struct child_process cp;
+ struct child_process cp = CHILD_PROCESS_INIT;
struct strbuf buffer = STRBUF_INIT;
const char *argv[] = {"stash", "create", NULL};
- memset(&cp, 0, sizeof(cp));
cp.argv = argv;
cp.out = -1;
cp.git_cmd = 1;
@@ -337,7 +338,7 @@ static void squash_message(struct commit *commit, struct commit_list *remotehead
struct pretty_print_context ctx = {0};
printf(_("Squash commit -- not updating HEAD\n"));
- filename = git_path("SQUASH_MSG");
+ filename = git_path_squash_msg();
fd = open(filename, O_WRONLY | O_CREAT, 0666);
if (fd < 0)
die_errno(_("Could not write to '%s'"), filename);
@@ -398,7 +399,7 @@ static void finish(struct commit *head_commit,
const char *argv_gc_auto[] = { "gc", "--auto", NULL };
update_ref(reflog_message.buf, "HEAD",
new_head, head, 0,
- DIE_ON_ERR);
+ UPDATE_REFS_DIE_ON_ERR);
/*
* We ignore errors in 'gc --auto', since the
* user should see them.
@@ -491,8 +492,7 @@ static void merge_name(const char *remote, struct strbuf *msg)
}
if (len) {
struct strbuf truname = STRBUF_INIT;
- strbuf_addstr(&truname, "refs/heads/");
- strbuf_addstr(&truname, remote);
+ strbuf_addf(&truname, "refs/heads/%s", remote);
strbuf_setlen(&truname, truname.len - len);
if (ref_exists(truname.buf)) {
strbuf_addf(msg,
@@ -503,28 +503,7 @@ static void merge_name(const char *remote, struct strbuf *msg)
strbuf_release(&truname);
goto cleanup;
}
- }
-
- if (!strcmp(remote, "FETCH_HEAD") &&
- !access(git_path("FETCH_HEAD"), R_OK)) {
- const char *filename;
- FILE *fp;
- struct strbuf line = STRBUF_INIT;
- char *ptr;
-
- filename = git_path("FETCH_HEAD");
- fp = fopen(filename, "r");
- if (!fp)
- die_errno(_("could not open '%s' for reading"),
- filename);
- strbuf_getline(&line, fp, '\n');
- fclose(fp);
- ptr = strstr(line.buf, "\tnot-for-merge\t");
- if (ptr)
- strbuf_remove(&line, ptr-line.buf+1, 13);
- strbuf_addbuf(msg, &line);
- strbuf_release(&line);
- goto cleanup;
+ strbuf_release(&truname);
}
if (remote_head->util) {
@@ -557,7 +536,7 @@ static void parse_branch_merge_options(char *bmo)
if (argc < 0)
die(_("Bad branch.%s.mergeoptions string: %s"), branch,
split_cmdline_strerror(argc));
- argv = xrealloc(argv, sizeof(*argv) * (argc + 2));
+ REALLOC_ARRAY(argv, argc + 2);
memmove(argv + 1, argv, sizeof(*argv) * (argc + 1));
argc++;
argv[0] = "branch.*.mergeoptions";
@@ -657,22 +636,18 @@ static int try_merge_strategy(const char *strategy, struct commit_list *common,
struct commit_list *remoteheads,
struct commit *head, const char *head_arg)
{
- int index_fd;
- struct lock_file *lock = xcalloc(1, sizeof(struct lock_file));
+ static struct lock_file lock;
- index_fd = hold_locked_index(lock, 1);
+ hold_locked_index(&lock, 1);
refresh_cache(REFRESH_QUIET);
if (active_cache_changed &&
- (write_cache(index_fd, active_cache, active_nr) ||
- commit_locked_index(lock)))
+ write_locked_index(&the_index, &lock, COMMIT_LOCK))
return error(_("Unable to write index."));
- rollback_lock_file(lock);
+ rollback_lock_file(&lock);
if (!strcmp(strategy, "recursive") || !strcmp(strategy, "subtree")) {
int clean, x;
struct commit *result;
- struct lock_file *lock = xcalloc(1, sizeof(struct lock_file));
- int index_fd;
struct commit_list *reversed = NULL;
struct merge_options o;
struct commit_list *j;
@@ -700,14 +675,13 @@ static int try_merge_strategy(const char *strategy, struct commit_list *common,
for (j = common; j; j = j->next)
commit_list_insert(j->item, &reversed);
- index_fd = hold_locked_index(lock, 1);
+ hold_locked_index(&lock, 1);
clean = merge_recursive(&o, head,
remoteheads->item, reversed, &result);
if (active_cache_changed &&
- (write_cache(index_fd, active_cache, active_nr) ||
- commit_locked_index(lock)))
+ write_locked_index(&the_index, &lock, COMMIT_LOCK))
die (_("unable to write %s"), get_index_file());
- rollback_lock_file(lock);
+ rollback_lock_file(&lock);
return clean ? 0 : 1;
} else {
return try_merge_command(strategy, xopts_nr, xopts,
@@ -780,7 +754,7 @@ static void add_strategies(const char *string, unsigned attr)
static void write_merge_msg(struct strbuf *msg)
{
- const char *filename = git_path("MERGE_MSG");
+ const char *filename = git_path_merge_msg();
int fd = open(filename, O_WRONLY | O_CREAT, 0666);
if (fd < 0)
die_errno(_("Could not open '%s' for writing"),
@@ -792,7 +766,7 @@ static void write_merge_msg(struct strbuf *msg)
static void read_merge_msg(struct strbuf *msg)
{
- const char *filename = git_path("MERGE_MSG");
+ const char *filename = git_path_merge_msg();
strbuf_reset(msg);
if (strbuf_read_file(msg, filename, 0) < 0)
die_errno(_("Could not read from '%s'"), filename);
@@ -825,10 +799,10 @@ static void prepare_to_commit(struct commit_list *remoteheads)
strbuf_commented_addf(&msg, _(merge_editor_comment), comment_line_char);
write_merge_msg(&msg);
if (run_commit_hook(0 < option_edit, get_index_file(), "prepare-commit-msg",
- git_path("MERGE_MSG"), "merge", NULL))
+ git_path_merge_msg(), "merge", NULL))
abort_commit(remoteheads, NULL);
if (0 < option_edit) {
- if (launch_editor(git_path("MERGE_MSG"), NULL, NULL))
+ if (launch_editor(git_path_merge_msg(), NULL, NULL))
abort_commit(remoteheads, NULL);
}
read_merge_msg(&msg);
@@ -843,16 +817,14 @@ static void prepare_to_commit(struct commit_list *remoteheads)
static int merge_trivial(struct commit *head, struct commit_list *remoteheads)
{
unsigned char result_tree[20], result_commit[20];
- struct commit_list *parent = xmalloc(sizeof(*parent));
+ struct commit_list *parents, **pptr = &parents;
write_tree_trivial(result_tree);
printf(_("Wonderful.\n"));
- parent->item = head;
- parent->next = xmalloc(sizeof(*parent->next));
- parent->next->item = remoteheads->item;
- parent->next->next = NULL;
+ pptr = commit_list_append(head, pptr);
+ pptr = commit_list_append(remoteheads->item, pptr);
prepare_to_commit(remoteheads);
- if (commit_tree(merge_msg.buf, merge_msg.len, result_tree, parent,
+ if (commit_tree(merge_msg.buf, merge_msg.len, result_tree, parents,
result_commit, NULL, sign_commit))
die(_("failed to write commit object"));
finish(head, remoteheads, result_commit, "In-index merge");
@@ -887,28 +859,20 @@ static int finish_automerge(struct commit *head,
return 0;
}
-static int suggest_conflicts(int renormalizing)
+static int suggest_conflicts(void)
{
const char *filename;
FILE *fp;
- int pos;
+ struct strbuf msgbuf = STRBUF_INIT;
- filename = git_path("MERGE_MSG");
+ filename = git_path_merge_msg();
fp = fopen(filename, "a");
if (!fp)
die_errno(_("Could not open '%s' for writing"), filename);
- fprintf(fp, "\nConflicts:\n");
- for (pos = 0; pos < active_nr; pos++) {
- const struct cache_entry *ce = active_cache[pos];
-
- if (ce_stage(ce)) {
- fprintf(fp, "\t%s\n", ce->name);
- while (pos + 1 < active_nr &&
- !strcmp(ce->name,
- active_cache[pos + 1]->name))
- pos++;
- }
- }
+
+ append_conflicts_hint(&msgbuf);
+ fputs(msgbuf.buf, fp);
+ strbuf_release(&msgbuf);
fclose(fp);
rerere(allow_rerere_auto);
printf(_("Automatic merge failed; "
@@ -969,7 +933,7 @@ static int setup_with_upstream(const char ***argv)
if (!branch)
die(_("No current branch."));
- if (!branch->remote)
+ if (!branch->remote_name)
die(_("No remote for the current branch."));
if (!branch->merge_nr)
die(_("No default upstream defined for the current branch."));
@@ -1003,7 +967,7 @@ static void write_merge_state(struct commit_list *remoteheads)
}
strbuf_addf(&buf, "%s\n", sha1_to_hex(sha1));
}
- filename = git_path("MERGE_HEAD");
+ filename = git_path_merge_head();
fd = open(filename, O_WRONLY | O_CREAT, 0666);
if (fd < 0)
die_errno(_("Could not open '%s' for writing"), filename);
@@ -1013,7 +977,7 @@ static void write_merge_state(struct commit_list *remoteheads)
strbuf_addch(&merge_msg, '\n');
write_merge_msg(&merge_msg);
- filename = git_path("MERGE_MODE");
+ filename = git_path_merge_mode();
fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC, 0666);
if (fd < 0)
die_errno(_("Could not open '%s' for writing"), filename);
@@ -1051,28 +1015,24 @@ static int default_edit_option(void)
st_stdin.st_mode == st_stdout.st_mode);
}
-static struct commit_list *collect_parents(struct commit *head_commit,
- int *head_subsumed,
- int argc, const char **argv)
+static struct commit_list *reduce_parents(struct commit *head_commit,
+ int *head_subsumed,
+ struct commit_list *remoteheads)
{
- int i;
- struct commit_list *remoteheads = NULL, *parents, *next;
- struct commit_list **remotes = &remoteheads;
+ struct commit_list *parents, *next, **remotes = &remoteheads;
- if (head_commit)
- remotes = &commit_list_insert(head_commit, remotes)->next;
- for (i = 0; i < argc; i++) {
- struct commit *commit = get_merge_parent(argv[i]);
- if (!commit)
- help_unknown_ref(argv[i], "merge",
- "not something we can merge");
- remotes = &commit_list_insert(commit, remotes)->next;
- }
- *remotes = NULL;
+ /*
+ * Is the current HEAD reachable from another commit being
+ * merged? If so we do not want to record it as a parent of
+ * the resulting merge, unless --no-ff is given. We will flip
+ * this variable to 0 when we find HEAD among the independent
+ * tips being merged.
+ */
+ *head_subsumed = 1;
+ /* Find what parents to record by checking independent ones. */
parents = reduce_heads(remoteheads);
- *head_subsumed = 1; /* we will flip this to 0 when we find it */
for (remoteheads = NULL, remotes = &remoteheads;
parents;
parents = next) {
@@ -1082,7 +1042,119 @@ static struct commit_list *collect_parents(struct commit *head_commit,
*head_subsumed = 0;
else
remotes = &commit_list_insert(commit, remotes)->next;
+ free(parents);
+ }
+ return remoteheads;
+}
+
+static void prepare_merge_message(struct strbuf *merge_names, struct strbuf *merge_msg)
+{
+ struct fmt_merge_msg_opts opts;
+
+ memset(&opts, 0, sizeof(opts));
+ opts.add_title = !have_message;
+ opts.shortlog_len = shortlog_len;
+ opts.credit_people = (0 < option_edit);
+
+ fmt_merge_msg(merge_names, merge_msg, &opts);
+ if (merge_msg->len)
+ strbuf_setlen(merge_msg, merge_msg->len - 1);
+}
+
+static void handle_fetch_head(struct commit_list **remotes, struct strbuf *merge_names)
+{
+ const char *filename;
+ int fd, pos, npos;
+ struct strbuf fetch_head_file = STRBUF_INIT;
+
+ if (!merge_names)
+ merge_names = &fetch_head_file;
+
+ filename = git_path_fetch_head();
+ fd = open(filename, O_RDONLY);
+ if (fd < 0)
+ die_errno(_("could not open '%s' for reading"), filename);
+
+ if (strbuf_read(merge_names, fd, 0) < 0)
+ die_errno(_("could not read '%s'"), filename);
+ if (close(fd) < 0)
+ die_errno(_("could not close '%s'"), filename);
+
+ for (pos = 0; pos < merge_names->len; pos = npos) {
+ unsigned char sha1[20];
+ char *ptr;
+ struct commit *commit;
+
+ ptr = strchr(merge_names->buf + pos, '\n');
+ if (ptr)
+ npos = ptr - merge_names->buf + 1;
+ else
+ npos = merge_names->len;
+
+ if (npos - pos < 40 + 2 ||
+ get_sha1_hex(merge_names->buf + pos, sha1))
+ commit = NULL; /* bad */
+ else if (memcmp(merge_names->buf + pos + 40, "\t\t", 2))
+ continue; /* not-for-merge */
+ else {
+ char saved = merge_names->buf[pos + 40];
+ merge_names->buf[pos + 40] = '\0';
+ commit = get_merge_parent(merge_names->buf + pos);
+ merge_names->buf[pos + 40] = saved;
+ }
+ if (!commit) {
+ if (ptr)
+ *ptr = '\0';
+ die("not something we can merge in %s: %s",
+ filename, merge_names->buf + pos);
+ }
+ remotes = &commit_list_insert(commit, remotes)->next;
+ }
+
+ if (merge_names == &fetch_head_file)
+ strbuf_release(&fetch_head_file);
+}
+
+static struct commit_list *collect_parents(struct commit *head_commit,
+ int *head_subsumed,
+ int argc, const char **argv,
+ struct strbuf *merge_msg)
+{
+ int i;
+ struct commit_list *remoteheads = NULL;
+ struct commit_list **remotes = &remoteheads;
+ struct strbuf merge_names = STRBUF_INIT, *autogen = NULL;
+
+ if (merge_msg && (!have_message || shortlog_len))
+ autogen = &merge_names;
+
+ if (head_commit)
+ remotes = &commit_list_insert(head_commit, remotes)->next;
+
+ if (argc == 1 && !strcmp(argv[0], "FETCH_HEAD")) {
+ handle_fetch_head(remotes, autogen);
+ remoteheads = reduce_parents(head_commit, head_subsumed, remoteheads);
+ } else {
+ for (i = 0; i < argc; i++) {
+ struct commit *commit = get_merge_parent(argv[i]);
+ if (!commit)
+ help_unknown_ref(argv[i], "merge",
+ "not something we can merge");
+ remotes = &commit_list_insert(commit, remotes)->next;
+ }
+ remoteheads = reduce_parents(head_commit, head_subsumed, remoteheads);
+ if (autogen) {
+ struct commit_list *p;
+ for (p = remoteheads; p; p = p->next)
+ merge_name(merge_remote_util(p->item)->name, autogen);
+ }
+ }
+
+ if (autogen) {
+ prepare_merge_message(autogen, merge_msg);
+ strbuf_release(autogen);
}
+
return remoteheads;
}
@@ -1108,7 +1180,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
* Check if we are _not_ on a detached HEAD, i.e. if there is a
* current branch.
*/
- branch = branch_to_free = resolve_refdup("HEAD", head_sha1, 0, &flag);
+ branch = branch_to_free = resolve_refdup("HEAD", 0, head_sha1, &flag);
if (branch && starts_with(branch, "refs/heads/"))
branch += 11;
if (!branch || is_null_sha1(head_sha1))
@@ -1132,7 +1204,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
int nargc = 2;
const char *nargv[] = {"reset", "--merge", NULL};
- if (!file_exists(git_path("MERGE_HEAD")))
+ if (!file_exists(git_path_merge_head()))
die(_("There is no merge to abort (MERGE_HEAD missing)."));
/* Invoke 'git reset --merge' */
@@ -1143,21 +1215,21 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
if (read_cache_unmerged())
die_resolve_conflict("merge");
- if (file_exists(git_path("MERGE_HEAD"))) {
+ if (file_exists(git_path_merge_head())) {
/*
* There is no unmerged entry, don't advise 'git
* add/rm <file>', just 'git commit'.
*/
if (advice_resolve_conflict)
die(_("You have not concluded your merge (MERGE_HEAD exists).\n"
- "Please, commit your changes before you can merge."));
+ "Please, commit your changes before you merge."));
else
die(_("You have not concluded your merge (MERGE_HEAD exists)."));
}
- if (file_exists(git_path("CHERRY_PICK_HEAD"))) {
+ if (file_exists(git_path_cherry_pick_head())) {
if (advice_resolve_conflict)
die(_("You have not concluded your cherry-pick (CHERRY_PICK_HEAD exists).\n"
- "Please, commit your changes before you can merge."));
+ "Please, commit your changes before you merge."));
else
die(_("You have not concluded your cherry-pick (CHERRY_PICK_HEAD exists)."));
}
@@ -1172,61 +1244,62 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
option_commit = 0;
}
- if (!abort_current_merge) {
- if (!argc) {
- if (default_to_upstream)
- argc = setup_with_upstream(&argv);
- else
- die(_("No commit specified and merge.defaultToUpstream not set."));
- } else if (argc == 1 && !strcmp(argv[0], "-"))
- argv[0] = "@{-1}";
+ if (!argc) {
+ if (default_to_upstream)
+ argc = setup_with_upstream(&argv);
+ else
+ die(_("No commit specified and merge.defaultToUpstream not set."));
+ } else if (argc == 1 && !strcmp(argv[0], "-")) {
+ argv[0] = "@{-1}";
}
+
if (!argc)
usage_with_options(builtin_merge_usage,
builtin_merge_options);
- /*
- * This could be traditional "merge <msg> HEAD <commit>..." and
- * the way we can tell it is to see if the second token is HEAD,
- * but some people might have misused the interface and used a
- * commit-ish that is the same as HEAD there instead.
- * Traditional format never would have "-m" so it is an
- * additional safety measure to check for it.
- */
-
- if (!have_message && head_commit &&
- is_old_style_invocation(argc, argv, head_commit->object.sha1)) {
- strbuf_addstr(&merge_msg, argv[0]);
- head_arg = argv[1];
- argv += 2;
- argc -= 2;
- remoteheads = collect_parents(head_commit, &head_subsumed, argc, argv);
- } else if (!head_commit) {
+ if (!head_commit) {
struct commit *remote_head;
/*
* If the merged head is a valid one there is no reason
* to forbid "git merge" into a branch yet to be born.
* We do the same for "git pull".
*/
- if (argc != 1)
- die(_("Can merge only exactly one commit into "
- "empty head"));
if (squash)
die(_("Squash commit into empty head not supported yet"));
if (fast_forward == FF_NO)
die(_("Non-fast-forward commit does not make sense into "
"an empty head"));
- remoteheads = collect_parents(head_commit, &head_subsumed, argc, argv);
+ remoteheads = collect_parents(head_commit, &head_subsumed,
+ argc, argv, NULL);
remote_head = remoteheads->item;
if (!remote_head)
die(_("%s - not something we can merge"), argv[0]);
+ if (remoteheads->next)
+ die(_("Can merge only exactly one commit into empty head"));
read_empty(remote_head->object.sha1, 0);
update_ref("initial pull", "HEAD", remote_head->object.sha1,
- NULL, 0, DIE_ON_ERR);
+ NULL, 0, UPDATE_REFS_DIE_ON_ERR);
goto done;
- } else {
- struct strbuf merge_names = STRBUF_INIT;
+ }
+ /*
+ * This could be traditional "merge <msg> HEAD <commit>..." and
+ * the way we can tell it is to see if the second token is HEAD,
+ * but some people might have misused the interface and used a
+ * commit-ish that is the same as HEAD there instead.
+ * Traditional format never would have "-m" so it is an
+ * additional safety measure to check for it.
+ */
+ if (!have_message &&
+ is_old_style_invocation(argc, argv, head_commit->object.sha1)) {
+ warning("old-style 'git merge <msg> HEAD <commit>' is deprecated.");
+ strbuf_addstr(&merge_msg, argv[0]);
+ head_arg = argv[1];
+ argv += 2;
+ argc -= 2;
+ remoteheads = collect_parents(head_commit, &head_subsumed,
+ argc, argv, NULL);
+ } else {
/* We are invoked directly as the first-class UI. */
head_arg = "HEAD";
@@ -1235,21 +1308,8 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
* the standard merge summary message to be appended
* to the given message.
*/
- remoteheads = collect_parents(head_commit, &head_subsumed, argc, argv);
- for (p = remoteheads; p; p = p->next)
- merge_name(merge_remote_util(p->item)->name, &merge_names);
-
- if (!have_message || shortlog_len) {
- struct fmt_merge_msg_opts opts;
- memset(&opts, 0, sizeof(opts));
- opts.add_title = !have_message;
- opts.shortlog_len = shortlog_len;
- opts.credit_people = (0 < option_edit);
-
- fmt_merge_msg(&merge_names, &merge_msg, &opts);
- if (merge_msg.len)
- strbuf_setlen(&merge_msg, merge_msg.len - 1);
- }
+ remoteheads = collect_parents(head_commit, &head_subsumed,
+ argc, argv, &merge_msg);
}
if (!head_commit || !argc)
@@ -1282,10 +1342,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
printf(_("Commit %s has a good GPG signature by %s\n"),
hex, signature_check.signer);
- free(signature_check.gpg_output);
- free(signature_check.gpg_status);
- free(signature_check.signer);
- free(signature_check.key);
+ signature_check_clear(&signature_check);
}
}
@@ -1330,7 +1387,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
if (!remoteheads)
; /* already up-to-date */
else if (!remoteheads->next)
- common = get_merge_bases(head_commit, remoteheads->item, 1);
+ common = get_merge_bases(head_commit, remoteheads->item);
else {
struct commit_list *list = remoteheads;
commit_list_insert(head_commit, &list);
@@ -1339,7 +1396,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
}
update_ref("updating ORIG_HEAD", "ORIG_HEAD", head_commit->object.sha1,
- NULL, 0, DIE_ON_ERR);
+ NULL, 0, UPDATE_REFS_DIE_ON_ERR);
if (remoteheads && !common)
; /* No common ancestors found. We need a real merge. */
@@ -1427,7 +1484,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
* merge_bases again, otherwise "git merge HEAD^
* HEAD^^" would be missed.
*/
- common_one = get_merge_bases(head_commit, j->item, 1);
+ common_one = get_merge_bases(head_commit, j->item);
if (hashcmp(common_one->item->object.sha1,
j->item->object.sha1)) {
up_to_date = 0;
@@ -1560,7 +1617,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
fprintf(stderr, _("Automatic merge went well; "
"stopped before committing as requested\n"));
else
- ret = suggest_conflicts(option_renormalize);
+ ret = suggest_conflicts();
done:
free(branch_to_free);
diff --git a/builtin/mv.c b/builtin/mv.c
index 180ef99..d1d4316 100644
--- a/builtin/mv.c
+++ b/builtin/mv.c
@@ -3,8 +3,8 @@
*
* Copyright (C) 2006 Johannes Schindelin
*/
-#include "cache.h"
#include "builtin.h"
+#include "lockfile.h"
#include "dir.h"
#include "cache-tree.h"
#include "string-list.h"
@@ -12,7 +12,7 @@
#include "submodule.h"
static const char * const builtin_mv_usage[] = {
- N_("git mv [options] <source>... <destination>"),
+ N_("git mv [<options>] <source>... <destination>"),
NULL
};
@@ -61,9 +61,49 @@ static const char *add_slash(const char *path)
static struct lock_file lock_file;
#define SUBMODULE_WITH_GITDIR ((const char *)1)
+static void prepare_move_submodule(const char *src, int first,
+ const char **submodule_gitfile)
+{
+ struct strbuf submodule_dotgit = STRBUF_INIT;
+ if (!S_ISGITLINK(active_cache[first]->ce_mode))
+ die(_("Directory %s is in index and no submodule?"), src);
+ if (!is_staging_gitmodules_ok())
+ die(_("Please stage your changes to .gitmodules or stash them to proceed"));
+ strbuf_addf(&submodule_dotgit, "%s/.git", src);
+ *submodule_gitfile = read_gitfile(submodule_dotgit.buf);
+ if (*submodule_gitfile)
+ *submodule_gitfile = xstrdup(*submodule_gitfile);
+ else
+ *submodule_gitfile = SUBMODULE_WITH_GITDIR;
+ strbuf_release(&submodule_dotgit);
+}
+
+static int index_range_of_same_dir(const char *src, int length,
+ int *first_p, int *last_p)
+{
+ const char *src_w_slash = add_slash(src);
+ int first, last, len_w_slash = length + 1;
+
+ first = cache_name_pos(src_w_slash, len_w_slash);
+ if (first >= 0)
+ die(_("%.*s is in index"), len_w_slash, src_w_slash);
+
+ first = -1 - first;
+ for (last = first; last < active_nr; last++) {
+ const char *path = active_cache[last]->name;
+ if (strncmp(path, src_w_slash, len_w_slash))
+ break;
+ }
+ if (src_w_slash != src)
+ free((char *)src_w_slash);
+ *first_p = first;
+ *last_p = last;
+ return last - first;
+}
+
int cmd_mv(int argc, const char **argv, const char *prefix)
{
- int i, newfd, gitmodules_modified = 0;
+ int i, gitmodules_modified = 0;
int verbose = 0, show_only = 0, force = 0, ignore_errors = 0;
struct option builtin_mv_options[] = {
OPT__VERBOSE(&verbose, N_("be verbose")),
@@ -85,7 +125,7 @@ int cmd_mv(int argc, const char **argv, const char *prefix)
if (--argc < 1)
usage_with_options(builtin_mv_usage, builtin_mv_options);
- newfd = hold_locked_index(&lock_file, 1);
+ hold_locked_index(&lock_file, 1);
if (read_cache() < 0)
die(_("index file corrupt"));
@@ -108,7 +148,7 @@ int cmd_mv(int argc, const char **argv, const char *prefix)
destination = internal_copy_pathspec(dest_path[0], argv, argc, DUP_BASENAME);
} else {
if (argc != 1)
- die("destination '%s' is not a directory", dest_path[0]);
+ die(_("destination '%s' is not a directory"), dest_path[0]);
destination = dest_path;
}
@@ -131,75 +171,36 @@ int cmd_mv(int argc, const char **argv, const char *prefix)
&& lstat(dst, &st) == 0)
bad = _("cannot move directory over file");
else if (src_is_dir) {
- int first = cache_name_pos(src, length);
- if (first >= 0) {
- struct strbuf submodule_dotgit = STRBUF_INIT;
- if (!S_ISGITLINK(active_cache[first]->ce_mode))
- die (_("Huh? Directory %s is in index and no submodule?"), src);
- if (!is_staging_gitmodules_ok())
- die (_("Please, stage your changes to .gitmodules or stash them to proceed"));
- strbuf_addf(&submodule_dotgit, "%s/.git", src);
- submodule_gitfile[i] = read_gitfile(submodule_dotgit.buf);
- if (submodule_gitfile[i])
- submodule_gitfile[i] = xstrdup(submodule_gitfile[i]);
- else
- submodule_gitfile[i] = SUBMODULE_WITH_GITDIR;
- strbuf_release(&submodule_dotgit);
- } else {
- const char *src_w_slash = add_slash(src);
- int last, len_w_slash = length + 1;
+ int first = cache_name_pos(src, length), last;
- modes[i] = WORKING_DIRECTORY;
+ if (first >= 0)
+ prepare_move_submodule(src, first,
+ submodule_gitfile + i);
+ else if (index_range_of_same_dir(src, length,
+ &first, &last) < 1)
+ bad = _("source directory is empty");
+ else { /* last - first >= 1 */
+ int j, dst_len, n;
- first = cache_name_pos(src_w_slash, len_w_slash);
- if (first >= 0)
- die (_("Huh? %.*s is in index?"),
- len_w_slash, src_w_slash);
-
- first = -1 - first;
- for (last = first; last < active_nr; last++) {
- const char *path = active_cache[last]->name;
- if (strncmp(path, src_w_slash, len_w_slash))
- break;
- }
- if (src_w_slash != src)
- free((char *)src_w_slash);
-
- if (last - first < 1)
- bad = _("source directory is empty");
- else {
- int j, dst_len;
-
- if (last - first > 0) {
- source = xrealloc(source,
- (argc + last - first)
- * sizeof(char *));
- destination = xrealloc(destination,
- (argc + last - first)
- * sizeof(char *));
- modes = xrealloc(modes,
- (argc + last - first)
- * sizeof(enum update_mode));
- submodule_gitfile = xrealloc(submodule_gitfile,
- (argc + last - first)
- * sizeof(char *));
- }
+ modes[i] = WORKING_DIRECTORY;
+ n = argc + last - first;
+ REALLOC_ARRAY(source, n);
+ REALLOC_ARRAY(destination, n);
+ REALLOC_ARRAY(modes, n);
+ REALLOC_ARRAY(submodule_gitfile, n);
- dst = add_slash(dst);
- dst_len = strlen(dst);
+ dst = add_slash(dst);
+ dst_len = strlen(dst);
- for (j = 0; j < last - first; j++) {
- const char *path =
- active_cache[first + j]->name;
- source[argc + j] = path;
- destination[argc + j] =
- prefix_path(dst, dst_len,
- path + length + 1);
- modes[argc + j] = INDEX;
- submodule_gitfile[argc + j] = NULL;
- }
- argc += last - first;
+ for (j = 0; j < last - first; j++) {
+ const char *path = active_cache[first + j]->name;
+ source[argc + j] = path;
+ destination[argc + j] =
+ prefix_path(dst, dst_len, path + length + 1);
+ modes[argc + j] = INDEX;
+ submodule_gitfile[argc + j] = NULL;
}
+ argc += last - first;
}
} else if (cache_name_pos(src, length) < 0)
bad = _("not under version control");
@@ -225,24 +226,22 @@ int cmd_mv(int argc, const char **argv, const char *prefix)
else
string_list_insert(&src_for_dst, dst);
- if (bad) {
- if (ignore_errors) {
- if (--argc > 0) {
- memmove(source + i, source + i + 1,
- (argc - i) * sizeof(char *));
- memmove(destination + i,
- destination + i + 1,
- (argc - i) * sizeof(char *));
- memmove(modes + i, modes + i + 1,
- (argc - i) * sizeof(enum update_mode));
- memmove(submodule_gitfile + i,
- submodule_gitfile + i + 1,
- (argc - i) * sizeof(char *));
- i--;
- }
- } else
- die (_("%s, source=%s, destination=%s"),
- bad, src, dst);
+ if (!bad)
+ continue;
+ if (!ignore_errors)
+ die(_("%s, source=%s, destination=%s"),
+ bad, src, dst);
+ if (--argc > 0) {
+ int n = argc - i;
+ memmove(source + i, source + i + 1,
+ n * sizeof(char *));
+ memmove(destination + i, destination + i + 1,
+ n * sizeof(char *));
+ memmove(modes + i, modes + i + 1,
+ n * sizeof(enum update_mode));
+ memmove(submodule_gitfile + i, submodule_gitfile + i + 1,
+ n * sizeof(char *));
+ i--;
}
}
@@ -254,7 +253,7 @@ int cmd_mv(int argc, const char **argv, const char *prefix)
printf(_("Renaming %s to %s\n"), src, dst);
if (!show_only && mode != INDEX) {
if (rename(src, dst) < 0 && !ignore_errors)
- die_errno (_("renaming '%s' failed"), src);
+ die_errno(_("renaming '%s' failed"), src);
if (submodule_gitfile[i]) {
if (submodule_gitfile[i] != SUBMODULE_WITH_GITDIR)
connect_work_tree_and_git_dir(dst, submodule_gitfile[i]);
@@ -275,11 +274,9 @@ int cmd_mv(int argc, const char **argv, const char *prefix)
if (gitmodules_modified)
stage_updated_gitmodules();
- if (active_cache_changed) {
- if (write_cache(newfd, active_cache, active_nr) ||
- commit_locked_index(&lock_file))
- die(_("Unable to write new index file"));
- }
+ if (active_cache_changed &&
+ write_locked_index(&the_index, &lock_file, COMMIT_LOCK))
+ die(_("Unable to write new index file"));
return 0;
}
diff --git a/builtin/name-rev.c b/builtin/name-rev.c
index c824d4e..248a3eb 100644
--- a/builtin/name-rev.c
+++ b/builtin/name-rev.c
@@ -33,10 +33,7 @@ static void name_rev(struct commit *commit,
return;
if (deref) {
- char *new_name = xmalloc(strlen(tip_name)+3);
- strcpy(new_name, tip_name);
- strcat(new_name, "^0");
- tip_name = new_name;
+ tip_name = xstrfmt("%s^0", tip_name);
if (generation)
die("generation: %d, but deref?", generation);
@@ -141,9 +138,9 @@ static int tipcmp(const void *a_, const void *b_)
return hashcmp(a->sha1, b->sha1);
}
-static int name_ref(const char *path, const unsigned char *sha1, int flags, void *cb_data)
+static int name_ref(const char *path, const struct object_id *oid, int flags, void *cb_data)
{
- struct object *o = parse_object(sha1);
+ struct object *o = parse_object(oid->hash);
struct name_ref_data *data = cb_data;
int can_abbreviate_output = data->tags_only && data->name_only;
int deref = 0;
@@ -163,7 +160,7 @@ static int name_ref(const char *path, const unsigned char *sha1, int flags, void
}
}
- add_to_tip_table(sha1, path, can_abbreviate_output);
+ add_to_tip_table(oid->hash, path, can_abbreviate_output);
while (o && o->type == OBJ_TAG) {
struct tag *t = (struct tag *) o;
@@ -255,9 +252,9 @@ static void show_name(const struct object *obj,
}
static char const * const name_rev_usage[] = {
- N_("git name-rev [options] <commit>..."),
- N_("git name-rev [options] --all"),
- N_("git name-rev [options] --stdin"),
+ N_("git name-rev [<options>] <commit>..."),
+ N_("git name-rev [<options>] --all"),
+ N_("git name-rev [<options>] --stdin"),
NULL
};
diff --git a/builtin/notes.c b/builtin/notes.c
index 39c8573..3608c64 100644
--- a/builtin/notes.c
+++ b/builtin/notes.c
@@ -19,20 +19,21 @@
#include "string-list.h"
#include "notes-merge.h"
#include "notes-utils.h"
+#include "branch.h"
static const char * const git_notes_usage[] = {
- N_("git notes [--ref <notes_ref>] [list [<object>]]"),
- N_("git notes [--ref <notes_ref>] add [-f] [-m <msg> | -F <file> | (-c | -C) <object>] [<object>]"),
- N_("git notes [--ref <notes_ref>] copy [-f] <from-object> <to-object>"),
- N_("git notes [--ref <notes_ref>] append [-m <msg> | -F <file> | (-c | -C) <object>] [<object>]"),
- N_("git notes [--ref <notes_ref>] edit [<object>]"),
- N_("git notes [--ref <notes_ref>] show [<object>]"),
- N_("git notes [--ref <notes_ref>] merge [-v | -q] [-s <strategy> ] <notes_ref>"),
+ N_("git notes [--ref <notes-ref>] [list [<object>]]"),
+ N_("git notes [--ref <notes-ref>] add [-f] [--allow-empty] [-m <msg> | -F <file> | (-c | -C) <object>] [<object>]"),
+ N_("git notes [--ref <notes-ref>] copy [-f] <from-object> <to-object>"),
+ N_("git notes [--ref <notes-ref>] append [--allow-empty] [-m <msg> | -F <file> | (-c | -C) <object>] [<object>]"),
+ N_("git notes [--ref <notes-ref>] edit [--allow-empty] [<object>]"),
+ N_("git notes [--ref <notes-ref>] show [<object>]"),
+ N_("git notes [--ref <notes-ref>] merge [-v | -q] [-s <strategy>] <notes-ref>"),
N_("git notes merge --commit [-v | -q]"),
N_("git notes merge --abort [-v | -q]"),
- N_("git notes [--ref <notes_ref>] remove [<object>...]"),
- N_("git notes [--ref <notes_ref>] prune [-n | -v]"),
- N_("git notes [--ref <notes_ref>] get-ref"),
+ N_("git notes [--ref <notes-ref>] remove [<object>...]"),
+ N_("git notes [--ref <notes-ref>] prune [-n | -v]"),
+ N_("git notes [--ref <notes-ref>] get-ref"),
NULL
};
@@ -68,7 +69,7 @@ static const char * const git_notes_show_usage[] = {
};
static const char * const git_notes_merge_usage[] = {
- N_("git notes merge [<options>] <notes_ref>"),
+ N_("git notes merge [<options>] <notes-ref>"),
N_("git notes merge --commit [<options>]"),
N_("git notes merge --abort [<options>]"),
NULL
@@ -92,12 +93,22 @@ static const char * const git_notes_get_ref_usage[] = {
static const char note_template[] =
"\nWrite/edit the notes for the following object:\n";
-struct msg_arg {
+struct note_data {
int given;
int use_editor;
+ char *edit_path;
struct strbuf buf;
};
+static void free_note_data(struct note_data *d)
+{
+ if (d->edit_path) {
+ unlink_or_warn(d->edit_path);
+ free(d->edit_path);
+ }
+ strbuf_release(&d->buf);
+}
+
static int list_each_note(const unsigned char *object_sha1,
const unsigned char *note_sha1, char *note_path,
void *cb_data)
@@ -106,7 +117,7 @@ static int list_each_note(const unsigned char *object_sha1,
return 0;
}
-static void write_note_data(int fd, const unsigned char *sha1)
+static void copy_obj_to_fd(int fd, const unsigned char *sha1)
{
unsigned long size;
enum object_type type;
@@ -122,12 +133,11 @@ static void write_commented_object(int fd, const unsigned char *object)
{
const char *show_args[5] =
{"show", "--stat", "--no-notes", sha1_to_hex(object), NULL};
- struct child_process show;
+ struct child_process show = CHILD_PROCESS_INIT;
struct strbuf buf = STRBUF_INIT;
struct strbuf cbuf = STRBUF_INIT;
/* Invoke "git show --stat --no-notes $object" */
- memset(&show, 0, sizeof(show));
show.argv = show_args;
show.no_stdin = 1;
show.out = -1;
@@ -150,26 +160,23 @@ static void write_commented_object(int fd, const unsigned char *object)
sha1_to_hex(object));
}
-static void create_note(const unsigned char *object, struct msg_arg *msg,
- int append_only, const unsigned char *prev,
- unsigned char *result)
+static void prepare_note_data(const unsigned char *object, struct note_data *d,
+ const unsigned char *old_note)
{
- char *path = NULL;
-
- if (msg->use_editor || !msg->given) {
+ if (d->use_editor || !d->given) {
int fd;
struct strbuf buf = STRBUF_INIT;
/* write the template message before editing: */
- path = git_pathdup("NOTES_EDITMSG");
- fd = open(path, O_CREAT | O_TRUNC | O_WRONLY, 0600);
+ d->edit_path = git_pathdup("NOTES_EDITMSG");
+ fd = open(d->edit_path, O_CREAT | O_TRUNC | O_WRONLY, 0600);
if (fd < 0)
- die_errno(_("could not create file '%s'"), path);
+ die_errno(_("could not create file '%s'"), d->edit_path);
- if (msg->given)
- write_or_die(fd, msg->buf.buf, msg->buf.len);
- else if (prev && !append_only)
- write_note_data(fd, prev);
+ if (d->given)
+ write_or_die(fd, d->buf.buf, d->buf.len);
+ else if (old_note)
+ copy_obj_to_fd(fd, old_note);
strbuf_addch(&buf, '\n');
strbuf_add_commented_lines(&buf, note_template, strlen(note_template));
@@ -180,94 +187,71 @@ static void create_note(const unsigned char *object, struct msg_arg *msg,
close(fd);
strbuf_release(&buf);
- strbuf_reset(&(msg->buf));
-
- if (launch_editor(path, &(msg->buf), NULL)) {
- die(_("Please supply the note contents using either -m" \
- " or -F option"));
- }
- stripspace(&(msg->buf), 1);
- }
-
- if (prev && append_only) {
- /* Append buf to previous note contents */
- unsigned long size;
- enum object_type type;
- char *prev_buf = read_sha1_file(prev, &type, &size);
-
- strbuf_grow(&(msg->buf), size + 1);
- if (msg->buf.len && prev_buf && size)
- strbuf_insert(&(msg->buf), 0, "\n", 1);
- if (prev_buf && size)
- strbuf_insert(&(msg->buf), 0, prev_buf, size);
- free(prev_buf);
- }
+ strbuf_reset(&d->buf);
- if (!msg->buf.len) {
- fprintf(stderr, _("Removing note for object %s\n"),
- sha1_to_hex(object));
- hashclr(result);
- } else {
- if (write_sha1_file(msg->buf.buf, msg->buf.len, blob_type, result)) {
- error(_("unable to write note object"));
- if (path)
- error(_("The note contents has been left in %s"),
- path);
- exit(128);
+ if (launch_editor(d->edit_path, &d->buf, NULL)) {
+ die(_("Please supply the note contents using either -m or -F option"));
}
+ stripspace(&d->buf, 1);
}
+}
- if (path) {
- unlink_or_warn(path);
- free(path);
+static void write_note_data(struct note_data *d, unsigned char *sha1)
+{
+ if (write_sha1_file(d->buf.buf, d->buf.len, blob_type, sha1)) {
+ error(_("unable to write note object"));
+ if (d->edit_path)
+ error(_("The note contents have been left in %s"),
+ d->edit_path);
+ exit(128);
}
}
static int parse_msg_arg(const struct option *opt, const char *arg, int unset)
{
- struct msg_arg *msg = opt->value;
+ struct note_data *d = opt->value;
- strbuf_grow(&(msg->buf), strlen(arg) + 2);
- if (msg->buf.len)
- strbuf_addch(&(msg->buf), '\n');
- strbuf_addstr(&(msg->buf), arg);
- stripspace(&(msg->buf), 0);
+ strbuf_grow(&d->buf, strlen(arg) + 2);
+ if (d->buf.len)
+ strbuf_addch(&d->buf, '\n');
+ strbuf_addstr(&d->buf, arg);
+ stripspace(&d->buf, 0);
- msg->given = 1;
+ d->given = 1;
return 0;
}
static int parse_file_arg(const struct option *opt, const char *arg, int unset)
{
- struct msg_arg *msg = opt->value;
+ struct note_data *d = opt->value;
- if (msg->buf.len)
- strbuf_addch(&(msg->buf), '\n');
+ if (d->buf.len)
+ strbuf_addch(&d->buf, '\n');
if (!strcmp(arg, "-")) {
- if (strbuf_read(&(msg->buf), 0, 1024) < 0)
+ if (strbuf_read(&d->buf, 0, 1024) < 0)
die_errno(_("cannot read '%s'"), arg);
- } else if (strbuf_read_file(&(msg->buf), arg, 1024) < 0)
+ } else if (strbuf_read_file(&d->buf, arg, 1024) < 0)
die_errno(_("could not open or read '%s'"), arg);
- stripspace(&(msg->buf), 0);
+ stripspace(&d->buf, 0);
- msg->given = 1;
+ d->given = 1;
return 0;
}
static int parse_reuse_arg(const struct option *opt, const char *arg, int unset)
{
- struct msg_arg *msg = opt->value;
+ struct note_data *d = opt->value;
char *buf;
unsigned char object[20];
enum object_type type;
unsigned long len;
- if (msg->buf.len)
- strbuf_addch(&(msg->buf), '\n');
+ if (d->buf.len)
+ strbuf_addch(&d->buf, '\n');
if (get_sha1(arg, object))
die(_("Failed to resolve '%s' as a valid ref."), arg);
- if (!(buf = read_sha1_file(object, &type, &len)) || !len) {
+ if (!(buf = read_sha1_file(object, &type, &len))) {
free(buf);
die(_("Failed to read object '%s'."), arg);
}
@@ -275,17 +259,17 @@ static int parse_reuse_arg(const struct option *opt, const char *arg, int unset)
free(buf);
die(_("Cannot read note data from non-blob object '%s'."), arg);
}
- strbuf_add(&(msg->buf), buf, len);
+ strbuf_add(&d->buf, buf, len);
free(buf);
- msg->given = 1;
+ d->given = 1;
return 0;
}
static int parse_reedit_arg(const struct option *opt, const char *arg, int unset)
{
- struct msg_arg *msg = opt->value;
- msg->use_editor = 1;
+ struct note_data *d = opt->value;
+ d->use_editor = 1;
return parse_reuse_arg(opt, arg, unset);
}
@@ -398,26 +382,27 @@ static int append_edit(int argc, const char **argv, const char *prefix);
static int add(int argc, const char **argv, const char *prefix)
{
- int retval = 0, force = 0;
+ int force = 0, allow_empty = 0;
const char *object_ref;
struct notes_tree *t;
unsigned char object[20], new_note[20];
- char logmsg[100];
const unsigned char *note;
- struct msg_arg msg = { 0, 0, STRBUF_INIT };
+ struct note_data d = { 0, 0, NULL, STRBUF_INIT };
struct option options[] = {
- { OPTION_CALLBACK, 'm', "message", &msg, N_("message"),
+ { OPTION_CALLBACK, 'm', "message", &d, N_("message"),
N_("note contents as a string"), PARSE_OPT_NONEG,
parse_msg_arg},
- { OPTION_CALLBACK, 'F', "file", &msg, N_("file"),
+ { OPTION_CALLBACK, 'F', "file", &d, N_("file"),
N_("note contents in a file"), PARSE_OPT_NONEG,
parse_file_arg},
- { OPTION_CALLBACK, 'c', "reedit-message", &msg, N_("object"),
+ { OPTION_CALLBACK, 'c', "reedit-message", &d, N_("object"),
N_("reuse and edit specified note object"), PARSE_OPT_NONEG,
parse_reedit_arg},
- { OPTION_CALLBACK, 'C', "reuse-message", &msg, N_("object"),
+ { OPTION_CALLBACK, 'C', "reuse-message", &d, N_("object"),
N_("reuse specified note object"), PARSE_OPT_NONEG,
parse_reuse_arg},
+ OPT_BOOL(0, "allow-empty", &allow_empty,
+ N_("allow storing empty note")),
OPT__FORCE(&force, N_("replace existing notes")),
OPT_END()
};
@@ -440,41 +425,44 @@ static int add(int argc, const char **argv, const char *prefix)
if (note) {
if (!force) {
- if (!msg.given) {
- /*
- * Redirect to "edit" subcommand.
- *
- * We only end up here if none of -m/-F/-c/-C
- * or -f are given. The original args are
- * therefore still in argv[0-1].
- */
- argv[0] = "edit";
- free_notes(t);
- return append_edit(argc, argv, prefix);
+ free_notes(t);
+ if (d.given) {
+ free_note_data(&d);
+ return error(_("Cannot add notes. "
+ "Found existing notes for object %s. "
+ "Use '-f' to overwrite existing notes"),
+ sha1_to_hex(object));
}
- retval = error(_("Cannot add notes. Found existing notes "
- "for object %s. Use '-f' to overwrite "
- "existing notes"), sha1_to_hex(object));
- goto out;
+ /*
+ * Redirect to "edit" subcommand.
+ *
+ * We only end up here if none of -m/-F/-c/-C or -f are
+ * given. The original args are therefore still in
+ * argv[0-1].
+ */
+ argv[0] = "edit";
+ return append_edit(argc, argv, prefix);
}
fprintf(stderr, _("Overwriting existing notes for object %s\n"),
sha1_to_hex(object));
}
- create_note(object, &msg, 0, note, new_note);
-
- if (is_null_sha1(new_note))
+ prepare_note_data(object, &d, note);
+ if (d.buf.len || allow_empty) {
+ write_note_data(&d, new_note);
+ if (add_note(t, object, new_note, combine_notes_overwrite))
+ die("BUG: combine_notes_overwrite failed");
+ commit_notes(t, "Notes added by 'git notes add'");
+ } else {
+ fprintf(stderr, _("Removing note for object %s\n"),
+ sha1_to_hex(object));
remove_note(t, object);
- else if (add_note(t, object, new_note, combine_notes_overwrite))
- die("BUG: combine_notes_overwrite failed");
+ commit_notes(t, "Notes removed by 'git notes add'");
+ }
- snprintf(logmsg, sizeof(logmsg), "Notes %s by 'git notes %s'",
- is_null_sha1(new_note) ? "removed" : "added", "add");
- commit_notes(t, logmsg);
-out:
+ free_note_data(&d);
free_notes(t);
- strbuf_release(&(msg.buf));
- return retval;
+ return 0;
}
static int copy(int argc, const char **argv, const char *prefix)
@@ -555,26 +543,29 @@ out:
static int append_edit(int argc, const char **argv, const char *prefix)
{
+ int allow_empty = 0;
const char *object_ref;
struct notes_tree *t;
unsigned char object[20], new_note[20];
const unsigned char *note;
char logmsg[100];
const char * const *usage;
- struct msg_arg msg = { 0, 0, STRBUF_INIT };
+ struct note_data d = { 0, 0, NULL, STRBUF_INIT };
struct option options[] = {
- { OPTION_CALLBACK, 'm', "message", &msg, N_("message"),
+ { OPTION_CALLBACK, 'm', "message", &d, N_("message"),
N_("note contents as a string"), PARSE_OPT_NONEG,
parse_msg_arg},
- { OPTION_CALLBACK, 'F', "file", &msg, N_("file"),
+ { OPTION_CALLBACK, 'F', "file", &d, N_("file"),
N_("note contents in a file"), PARSE_OPT_NONEG,
parse_file_arg},
- { OPTION_CALLBACK, 'c', "reedit-message", &msg, N_("object"),
+ { OPTION_CALLBACK, 'c', "reedit-message", &d, N_("object"),
N_("reuse and edit specified note object"), PARSE_OPT_NONEG,
parse_reedit_arg},
- { OPTION_CALLBACK, 'C', "reuse-message", &msg, N_("object"),
+ { OPTION_CALLBACK, 'C', "reuse-message", &d, N_("object"),
N_("reuse specified note object"), PARSE_OPT_NONEG,
parse_reuse_arg},
+ OPT_BOOL(0, "allow-empty", &allow_empty,
+ N_("allow storing empty note")),
OPT_END()
};
int edit = !strcmp(argv[0], "edit");
@@ -588,7 +579,7 @@ static int append_edit(int argc, const char **argv, const char *prefix)
usage_with_options(usage, options);
}
- if (msg.given && edit)
+ if (d.given && edit)
fprintf(stderr, _("The -m/-F/-c/-C options have been deprecated "
"for the 'edit' subcommand.\n"
"Please use 'git notes add -f -m/-F/-c/-C' instead.\n"));
@@ -601,18 +592,39 @@ static int append_edit(int argc, const char **argv, const char *prefix)
t = init_notes_check(argv[0]);
note = get_note(t, object);
- create_note(object, &msg, !edit, note, new_note);
+ prepare_note_data(object, &d, edit ? note : NULL);
- if (is_null_sha1(new_note))
- remove_note(t, object);
- else if (add_note(t, object, new_note, combine_notes_overwrite))
- die("BUG: combine_notes_overwrite failed");
+ if (note && !edit) {
+ /* Append buf to previous note contents */
+ unsigned long size;
+ enum object_type type;
+ char *prev_buf = read_sha1_file(note, &type, &size);
+
+ strbuf_grow(&d.buf, size + 1);
+ if (d.buf.len && prev_buf && size)
+ strbuf_insert(&d.buf, 0, "\n", 1);
+ if (prev_buf && size)
+ strbuf_insert(&d.buf, 0, prev_buf, size);
+ free(prev_buf);
+ }
- snprintf(logmsg, sizeof(logmsg), "Notes %s by 'git notes %s'",
- is_null_sha1(new_note) ? "removed" : "added", argv[0]);
+ if (d.buf.len || allow_empty) {
+ write_note_data(&d, new_note);
+ if (add_note(t, object, new_note, combine_notes_overwrite))
+ die("BUG: combine_notes_overwrite failed");
+ snprintf(logmsg, sizeof(logmsg), "Notes added by 'git notes %s'",
+ argv[0]);
+ } else {
+ fprintf(stderr, _("Removing note for object %s\n"),
+ sha1_to_hex(object));
+ remove_note(t, object);
+ snprintf(logmsg, sizeof(logmsg), "Notes removed by 'git notes %s'",
+ argv[0]);
+ }
commit_notes(t, logmsg);
+
+ free_note_data(&d);
free_notes(t);
- strbuf_release(&(msg.buf));
return 0;
}
@@ -703,7 +715,7 @@ static int merge_commit(struct notes_merge_options *o)
init_notes(t, "NOTES_MERGE_PARTIAL", combine_notes_overwrite, 0);
o->local_ref = local_ref_to_free =
- resolve_refdup("NOTES_MERGE_REF", sha1, 0, NULL);
+ resolve_refdup("NOTES_MERGE_REF", 0, sha1, NULL);
if (!o->local_ref)
die("Failed to resolve NOTES_MERGE_REF");
@@ -717,7 +729,7 @@ static int merge_commit(struct notes_merge_options *o)
strbuf_insert(&msg, 0, "notes: ", 7);
update_ref(msg.buf, o->local_ref, sha1,
is_null_sha1(parent_sha1) ? NULL : parent_sha1,
- 0, DIE_ON_ERR);
+ 0, UPDATE_REFS_DIE_ON_ERR);
free_notes(t);
strbuf_release(&msg);
@@ -726,6 +738,19 @@ static int merge_commit(struct notes_merge_options *o)
return ret;
}
+static int git_config_get_notes_strategy(const char *key,
+ enum notes_merge_strategy *strategy)
+{
+ const char *value;
+
+ if (git_config_get_string_const(key, &value))
+ return 1;
+ if (parse_notes_merge_strategy(value, strategy))
+ git_die_config(key, "unknown notes merge strategy %s", value);
+
+ return 0;
+}
+
static int merge(int argc, const char **argv, const char *prefix)
{
struct strbuf remote_ref = STRBUF_INIT, msg = STRBUF_INIT;
@@ -784,24 +809,28 @@ static int merge(int argc, const char **argv, const char *prefix)
expand_notes_ref(&remote_ref);
o.remote_ref = remote_ref.buf;
+ t = init_notes_check("merge");
+
if (strategy) {
- if (!strcmp(strategy, "manual"))
- o.strategy = NOTES_MERGE_RESOLVE_MANUAL;
- else if (!strcmp(strategy, "ours"))
- o.strategy = NOTES_MERGE_RESOLVE_OURS;
- else if (!strcmp(strategy, "theirs"))
- o.strategy = NOTES_MERGE_RESOLVE_THEIRS;
- else if (!strcmp(strategy, "union"))
- o.strategy = NOTES_MERGE_RESOLVE_UNION;
- else if (!strcmp(strategy, "cat_sort_uniq"))
- o.strategy = NOTES_MERGE_RESOLVE_CAT_SORT_UNIQ;
- else {
+ if (parse_notes_merge_strategy(strategy, &o.strategy)) {
error("Unknown -s/--strategy: %s", strategy);
usage_with_options(git_notes_merge_usage, options);
}
- }
+ } else {
+ struct strbuf merge_key = STRBUF_INIT;
+ const char *short_ref = NULL;
- t = init_notes_check("merge");
+ if (!skip_prefix(o.local_ref, "refs/notes/", &short_ref))
+ die("BUG: local ref %s is outside of refs/notes/",
+ o.local_ref);
+
+ strbuf_addf(&merge_key, "notes.%s.mergeStrategy", short_ref);
+
+ if (git_config_get_notes_strategy(merge_key.buf, &o.strategy))
+ git_config_get_notes_strategy("notes.mergeStrategy", &o.strategy);
+
+ strbuf_release(&merge_key);
+ }
strbuf_addf(&msg, "notes: Merged notes from %s into %s",
remote_ref.buf, default_notes_ref());
@@ -812,12 +841,17 @@ static int merge(int argc, const char **argv, const char *prefix)
if (result >= 0) /* Merge resulted (trivially) in result_sha1 */
/* Update default notes ref with new commit */
update_ref(msg.buf, default_notes_ref(), result_sha1, NULL,
- 0, DIE_ON_ERR);
+ 0, UPDATE_REFS_DIE_ON_ERR);
else { /* Merge has unresolved conflicts */
+ char *existing;
/* Update .git/NOTES_MERGE_PARTIAL with partial merge result */
update_ref(msg.buf, "NOTES_MERGE_PARTIAL", result_sha1, NULL,
- 0, DIE_ON_ERR);
+ 0, UPDATE_REFS_DIE_ON_ERR);
/* Store ref-to-be-updated into .git/NOTES_MERGE_REF */
+ existing = find_shared_symref("NOTES_MERGE_REF", default_notes_ref());
+ if (existing)
+ die(_("A notes merge into %s is already in-progress at %s"),
+ default_notes_ref(), existing);
if (create_symref("NOTES_MERGE_REF", default_notes_ref(), NULL))
die("Failed to store link to current notes ref (%s)",
default_notes_ref());
@@ -940,7 +974,7 @@ int cmd_notes(int argc, const char **argv, const char *prefix)
const char *override_notes_ref = NULL;
struct option options[] = {
OPT_STRING(0, "ref", &override_notes_ref, N_("notes-ref"),
- N_("use notes from <notes_ref>")),
+ N_("use notes from <notes-ref>")),
OPT_END()
};
diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c
index de36c60..1c63f8f 100644
--- a/builtin/pack-objects.c
+++ b/builtin/pack-objects.c
@@ -20,10 +20,13 @@
#include "streaming.h"
#include "thread-utils.h"
#include "pack-bitmap.h"
+#include "reachable.h"
+#include "sha1-array.h"
+#include "argv-array.h"
static const char *pack_usage[] = {
- N_("git pack-objects --stdout [options...] [< ref-list | < object-list]"),
- N_("git pack-objects [options...] base-name [< ref-list | < object-list]"),
+ N_("git pack-objects --stdout [<options>...] [< <ref-list> | < <object-list>]"),
+ N_("git pack-objects [<options>...] <base-name> [< <ref-list> | < <object-list>]"),
NULL
};
@@ -89,8 +92,7 @@ static void index_commit_for_bitmap(struct commit *commit)
{
if (indexed_commits_nr >= indexed_commits_alloc) {
indexed_commits_alloc = (indexed_commits_alloc + 32) * 2;
- indexed_commits = xrealloc(indexed_commits,
- indexed_commits_alloc * sizeof(struct commit *));
+ REALLOC_ARRAY(indexed_commits, indexed_commits_alloc);
}
indexed_commits[indexed_commits_nr++] = commit;
@@ -123,7 +125,6 @@ static unsigned long do_compress(void **pptr, unsigned long size)
void *in, *out;
unsigned long maxsize;
- memset(&stream, 0, sizeof(stream));
git_deflate_init(&stream, pack_compression_level);
maxsize = git_deflate_bound(&stream, size);
@@ -151,7 +152,6 @@ static unsigned long write_large_blob_data(struct git_istream *st, struct sha1fi
unsigned char obuf[1024 * 16];
unsigned long olen = 0;
- memset(&stream, 0, sizeof(stream));
git_deflate_init(&stream, pack_compression_level);
for (;;) {
@@ -540,11 +540,11 @@ static enum write_one_status write_one(struct sha1file *f,
return WRITE_ONE_WRITTEN;
}
-static int mark_tagged(const char *path, const unsigned char *sha1, int flag,
+static int mark_tagged(const char *path, const struct object_id *oid, int flag,
void *cb_data)
{
unsigned char peeled[20];
- struct object_entry *entry = packlist_find(&to_pack, sha1, NULL);
+ struct object_entry *entry = packlist_find(&to_pack, oid->hash, NULL);
if (entry)
entry->tagged = 1;
@@ -812,6 +812,7 @@ static void write_pack_file(void)
fixup_pack_header_footer(fd, sha1, pack_tmp_name,
nr_written, sha1, offset);
close(fd);
+ write_bitmap_index = 0;
}
if (!pack_to_stdout) {
@@ -960,10 +961,8 @@ static int want_object_in_pack(const unsigned char *sha1,
off_t offset = find_pack_entry_one(sha1, p);
if (offset) {
if (!*found_pack) {
- if (!is_pack_valid(p)) {
- warning("packfile %s cannot be accessed", p->pack_name);
+ if (!is_pack_valid(p))
continue;
- }
*found_offset = offset;
*found_pack = p;
}
@@ -1973,8 +1972,6 @@ static void ll_find_deltas(struct object_entry **list, unsigned list_size,
init_threaded_search();
- if (!delta_search_threads) /* --threads=0 means autodetect */
- delta_search_threads = online_cpus();
if (delta_search_threads <= 1) {
find_deltas(list, &list_size, window, depth, processed);
cleanup_threaded_search();
@@ -2100,14 +2097,14 @@ static void ll_find_deltas(struct object_entry **list, unsigned list_size,
#define ll_find_deltas(l, s, w, d, p) find_deltas(l, &s, w, d, p)
#endif
-static int add_ref_tag(const char *path, const unsigned char *sha1, int flag, void *cb_data)
+static int add_ref_tag(const char *path, const struct object_id *oid, int flag, void *cb_data)
{
- unsigned char peeled[20];
+ struct object_id peeled;
if (starts_with(path, "refs/tags/") && /* is a tag? */
- !peel_ref(path, peeled) && /* peelable? */
- packlist_find(&to_pack, peeled, NULL)) /* object packed? */
- add_object_entry(sha1, OBJ_TAG, NULL, 0);
+ !peel_ref(path, peeled.hash) && /* peelable? */
+ packlist_find(&to_pack, peeled.hash, NULL)) /* object packed? */
+ add_object_entry(oid->hash, OBJ_TAG, NULL, 0);
return 0;
}
@@ -2214,10 +2211,6 @@ static int git_pack_config(const char *k, const char *v, void *cb)
cache_max_small_delta_size = git_config_int(k, v);
return 0;
}
- if (!strcmp(k, "pack.writebitmaps")) {
- write_bitmap_index = git_config_bool(k, v);
- return 0;
- }
if (!strcmp(k, "pack.writebitmaphashcache")) {
if (git_config_bool(k, v))
write_bitmap_options |= BITMAP_OPT_HASH_CACHE;
@@ -2412,6 +2405,27 @@ static int has_sha1_pack_kept_or_nonlocal(const unsigned char *sha1)
return 0;
}
+/*
+ * Store a list of sha1s that are should not be discarded
+ * because they are either written too recently, or are
+ * reachable from another object that was.
+ *
+ * This is filled by get_object_list.
+ */
+static struct sha1_array recent_objects;
+
+static int loosened_object_can_be_discarded(const unsigned char *sha1,
+ unsigned long mtime)
+{
+ if (!unpack_unreachable_expiration)
+ return 0;
+ if (mtime > unpack_unreachable_expiration)
+ return 0;
+ if (sha1_array_lookup(&recent_objects, sha1) >= 0)
+ return 0;
+ return 1;
+}
+
static void loosen_unused_packed_objects(struct rev_info *revs)
{
struct packed_git *p;
@@ -2422,17 +2436,14 @@ static void loosen_unused_packed_objects(struct rev_info *revs)
if (!p->pack_local || p->pack_keep)
continue;
- if (unpack_unreachable_expiration &&
- p->mtime < unpack_unreachable_expiration)
- continue;
-
if (open_pack_index(p))
die("cannot open pack index");
for (i = 0; i < p->num_objects; i++) {
sha1 = nth_packed_object_sha1(p, i);
if (!packlist_find(&to_pack, sha1, NULL) &&
- !has_sha1_pack_kept_or_nonlocal(sha1))
+ !has_sha1_pack_kept_or_nonlocal(sha1) &&
+ !loosened_object_can_be_discarded(sha1, p->mtime))
if (force_object_loose(sha1, p->mtime))
die("unable to force loose object");
}
@@ -2468,6 +2479,19 @@ static int get_object_list_from_bitmap(struct rev_info *revs)
return 0;
}
+static void record_recent_object(struct object *obj,
+ const struct name_path *path,
+ const char *last,
+ void *data)
+{
+ sha1_array_append(&recent_objects, obj->sha1);
+}
+
+static void record_recent_commit(struct commit *commit, void *data)
+{
+ sha1_array_append(&recent_objects, commit->object.sha1);
+}
+
static void get_object_list(int ac, const char **av)
{
struct rev_info revs;
@@ -2498,6 +2522,7 @@ static void get_object_list(int ac, const char **av)
if (get_sha1_hex(line + 10, sha1))
die("not an SHA-1 '%s'", line + 10);
register_shallow(sha1);
+ use_bitmap_index = 0;
continue;
}
die("not a rev '%s'", line);
@@ -2514,10 +2539,23 @@ static void get_object_list(int ac, const char **av)
mark_edges_uninteresting(&revs, show_edge);
traverse_commit_list(&revs, show_commit, show_object, NULL);
+ if (unpack_unreachable_expiration) {
+ revs.ignore_missing_links = 1;
+ if (add_unseen_recent_objects_to_traversal(&revs,
+ unpack_unreachable_expiration))
+ die("unable to add recent objects");
+ if (prepare_revision_walk(&revs))
+ die("revision walk setup failed");
+ traverse_commit_list(&revs, record_recent_commit,
+ record_recent_object, NULL);
+ }
+
if (keep_unreachable)
add_objects_in_unpacked_packs(&revs);
if (unpack_unreachable)
loosen_unused_packed_objects(&revs);
+
+ sha1_array_clear(&recent_objects);
}
static int option_parse_index_version(const struct option *opt,
@@ -2550,31 +2588,15 @@ static int option_parse_unpack_unreachable(const struct option *opt,
return 0;
}
-static int option_parse_ulong(const struct option *opt,
- const char *arg, int unset)
-{
- if (unset)
- die(_("option %s does not accept negative form"),
- opt->long_name);
-
- if (!git_parse_ulong(arg, opt->value))
- die(_("unable to parse value '%s' for option %s"),
- arg, opt->long_name);
- return 0;
-}
-
-#define OPT_ULONG(s, l, v, h) \
- { OPTION_CALLBACK, (s), (l), (v), "n", (h), \
- PARSE_OPT_NONEG, option_parse_ulong }
-
int cmd_pack_objects(int argc, const char **argv, const char *prefix)
{
int use_internal_rev_list = 0;
int thin = 0;
+ int shallow = 0;
int all_progress_implied = 0;
- const char *rp_av[6];
- int rp_ac = 0;
+ struct argv_array rp = ARGV_ARRAY_INIT;
int rev_list_unpacked = 0, rev_list_all = 0, rev_list_reflog = 0;
+ int rev_list_index = 0;
struct option pack_objects_options[] = {
OPT_SET_INT('q', "quiet", &progress,
N_("do not show progress meter"), 0),
@@ -2588,16 +2610,16 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix)
{ OPTION_CALLBACK, 0, "index-version", NULL, N_("version[,offset]"),
N_("write the pack index file in the specified idx format version"),
0, option_parse_index_version },
- OPT_ULONG(0, "max-pack-size", &pack_size_limit,
- N_("maximum size of each output pack file")),
+ OPT_MAGNITUDE(0, "max-pack-size", &pack_size_limit,
+ N_("maximum size of each output pack file")),
OPT_BOOL(0, "local", &local,
N_("ignore borrowed objects from alternate object store")),
OPT_BOOL(0, "incremental", &incremental,
N_("ignore packed objects")),
OPT_INTEGER(0, "window", &window,
N_("limit pack window by objects")),
- OPT_ULONG(0, "window-memory", &window_memory_limit,
- N_("limit pack window by memory in addition to object limit")),
+ OPT_MAGNITUDE(0, "window-memory", &window_memory_limit,
+ N_("limit pack window by memory in addition to object limit")),
OPT_INTEGER(0, "depth", &depth,
N_("maximum length of delta chain allowed in the resulting pack")),
OPT_BOOL(0, "reuse-delta", &reuse_delta,
@@ -2621,6 +2643,9 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix)
{ OPTION_SET_INT, 0, "reflog", &rev_list_reflog, NULL,
N_("include objects referred by reflog entries"),
PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, 1 },
+ { OPTION_SET_INT, 0, "indexed-objects", &rev_list_index, NULL,
+ N_("include objects referred to by the index"),
+ PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, 1 },
OPT_BOOL(0, "stdout", &pack_to_stdout,
N_("output pack to stdout")),
OPT_BOOL(0, "include-tag", &include_tag,
@@ -2632,6 +2657,8 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix)
PARSE_OPT_OPTARG, option_parse_unpack_unreachable },
OPT_BOOL(0, "thin", &thin,
N_("create thin packs")),
+ OPT_BOOL(0, "shallow", &shallow,
+ N_("create packs suitable for shallow fetches")),
OPT_BOOL(0, "honor-pack-keep", &ignore_packed_keep,
N_("ignore packs that have companion .keep file")),
OPT_INTEGER(0, "compression", &pack_compression_level,
@@ -2663,24 +2690,30 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix)
if (pack_to_stdout != !base_name || argc)
usage_with_options(pack_usage, pack_objects_options);
- rp_av[rp_ac++] = "pack-objects";
+ argv_array_push(&rp, "pack-objects");
if (thin) {
use_internal_rev_list = 1;
- rp_av[rp_ac++] = "--objects-edge";
+ argv_array_push(&rp, shallow
+ ? "--objects-edge-aggressive"
+ : "--objects-edge");
} else
- rp_av[rp_ac++] = "--objects";
+ argv_array_push(&rp, "--objects");
if (rev_list_all) {
use_internal_rev_list = 1;
- rp_av[rp_ac++] = "--all";
+ argv_array_push(&rp, "--all");
}
if (rev_list_reflog) {
use_internal_rev_list = 1;
- rp_av[rp_ac++] = "--reflog";
+ argv_array_push(&rp, "--reflog");
+ }
+ if (rev_list_index) {
+ use_internal_rev_list = 1;
+ argv_array_push(&rp, "--indexed-objects");
}
if (rev_list_unpacked) {
use_internal_rev_list = 1;
- rp_av[rp_ac++] = "--unpacked";
+ argv_array_push(&rp, "--unpacked");
}
if (!reuse_object)
@@ -2689,6 +2722,10 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix)
pack_compression_level = Z_DEFAULT_COMPRESSION;
else if (pack_compression_level < 0 || pack_compression_level > Z_BEST_COMPRESSION)
die("bad pack compression level %d", pack_compression_level);
+
+ if (!delta_search_threads) /* --threads=0 means autodetect */
+ delta_search_threads = online_cpus();
+
#ifdef NO_PTHREADS
if (delta_search_threads != 1)
warning("no threads support, ignoring --threads");
@@ -2707,6 +2744,8 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix)
if (keep_unreachable && unpack_unreachable)
die("--keep-unreachable and --unpack-unreachable are incompatible.");
+ if (!rev_list_all || !rev_list_reflog || !rev_list_index)
+ unpack_unreachable_expiration = 0;
if (!use_internal_rev_list || !pack_to_stdout || is_repository_shallow())
use_bitmap_index = 0;
@@ -2724,8 +2763,8 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix)
if (!use_internal_rev_list)
read_object_list_from_stdin();
else {
- rp_av[rp_ac] = NULL;
- get_object_list(rp_ac, rp_av);
+ get_object_list(rp.argc, rp.argv);
+ argv_array_clear(&rp);
}
cleanup_preferred_base();
if (include_tag && nr_result)
diff --git a/builtin/pack-redundant.c b/builtin/pack-redundant.c
index 649c3aa..d0532f6 100644
--- a/builtin/pack-redundant.c
+++ b/builtin/pack-redundant.c
@@ -11,7 +11,7 @@
#define BLKSIZE 512
static const char pack_redundant_usage[] =
-"git pack-redundant [ --verbose ] [ --alt-odb ] < --all | <.pack filename> ...>";
+"git pack-redundant [--verbose] [--alt-odb] (--all | <filename.pack>...)";
static int load_all_packs, verbose, alt_odb;
diff --git a/builtin/pack-refs.c b/builtin/pack-refs.c
index b20b1ec..39f9a55 100644
--- a/builtin/pack-refs.c
+++ b/builtin/pack-refs.c
@@ -3,7 +3,7 @@
#include "refs.h"
static char const * const pack_refs_usage[] = {
- N_("git pack-refs [options]"),
+ N_("git pack-refs [<options>]"),
NULL
};
diff --git a/builtin/patch-id.c b/builtin/patch-id.c
index 3cfe02d..ba34dac 100644
--- a/builtin/patch-id.c
+++ b/builtin/patch-id.c
@@ -1,17 +1,14 @@
#include "builtin.h"
-static void flush_current_id(int patchlen, unsigned char *id, git_SHA_CTX *c)
+static void flush_current_id(int patchlen, struct object_id *id, struct object_id *result)
{
- unsigned char result[20];
char name[50];
if (!patchlen)
return;
- git_SHA1_Final(result, c);
- memcpy(name, sha1_to_hex(id), 41);
- printf("%s %s\n", sha1_to_hex(result), name);
- git_SHA1_Init(c);
+ memcpy(name, oid_to_hex(id), GIT_SHA1_HEXSZ + 1);
+ printf("%s %s\n", oid_to_hex(result), name);
}
static int remove_space(char *line)
@@ -56,10 +53,31 @@ static int scan_hunk_header(const char *p, int *p_before, int *p_after)
return 1;
}
-static int get_one_patchid(unsigned char *next_sha1, git_SHA_CTX *ctx, struct strbuf *line_buf)
+static void flush_one_hunk(struct object_id *result, git_SHA_CTX *ctx)
+{
+ unsigned char hash[GIT_SHA1_RAWSZ];
+ unsigned short carry = 0;
+ int i;
+
+ git_SHA1_Final(hash, ctx);
+ git_SHA1_Init(ctx);
+ /* 20-byte sum, with carry */
+ for (i = 0; i < GIT_SHA1_RAWSZ; ++i) {
+ carry += result->hash[i] + hash[i];
+ result->hash[i] = carry;
+ carry >>= 8;
+ }
+}
+
+static int get_one_patchid(struct object_id *next_oid, struct object_id *result,
+ struct strbuf *line_buf, int stable)
{
int patchlen = 0, found_next = 0;
int before = -1, after = -1;
+ git_SHA_CTX ctx;
+
+ git_SHA1_Init(&ctx);
+ oidclr(result);
while (strbuf_getwholeline(line_buf, stdin, '\n') != EOF) {
char *line = line_buf->buf;
@@ -75,7 +93,7 @@ static int get_one_patchid(unsigned char *next_sha1, git_SHA_CTX *ctx, struct st
else if (!memcmp(line, "\\ ", 2) && 12 < strlen(line))
continue;
- if (!get_sha1_hex(p, next_sha1)) {
+ if (!get_oid_hex(p, next_oid)) {
found_next = 1;
break;
}
@@ -107,6 +125,8 @@ static int get_one_patchid(unsigned char *next_sha1, git_SHA_CTX *ctx, struct st
break;
/* Else we're parsing another header. */
+ if (stable)
+ flush_one_hunk(result, &ctx);
before = after = -1;
}
@@ -119,39 +139,63 @@ static int get_one_patchid(unsigned char *next_sha1, git_SHA_CTX *ctx, struct st
/* Compute the sha without whitespace */
len = remove_space(line);
patchlen += len;
- git_SHA1_Update(ctx, line, len);
+ git_SHA1_Update(&ctx, line, len);
}
if (!found_next)
- hashclr(next_sha1);
+ oidclr(next_oid);
+
+ flush_one_hunk(result, &ctx);
return patchlen;
}
-static void generate_id_list(void)
+static void generate_id_list(int stable)
{
- unsigned char sha1[20], n[20];
- git_SHA_CTX ctx;
+ struct object_id oid, n, result;
int patchlen;
struct strbuf line_buf = STRBUF_INIT;
- git_SHA1_Init(&ctx);
- hashclr(sha1);
+ oidclr(&oid);
while (!feof(stdin)) {
- patchlen = get_one_patchid(n, &ctx, &line_buf);
- flush_current_id(patchlen, sha1, &ctx);
- hashcpy(sha1, n);
+ patchlen = get_one_patchid(&n, &result, &line_buf, stable);
+ flush_current_id(patchlen, &oid, &result);
+ oidcpy(&oid, &n);
}
strbuf_release(&line_buf);
}
-static const char patch_id_usage[] = "git patch-id < patch";
+static const char patch_id_usage[] = "git patch-id [--stable | --unstable] < patch";
+
+static int git_patch_id_config(const char *var, const char *value, void *cb)
+{
+ int *stable = cb;
+
+ if (!strcmp(var, "patchid.stable")) {
+ *stable = git_config_bool(var, value);
+ return 0;
+ }
+
+ return git_default_config(var, value, cb);
+}
int cmd_patch_id(int argc, const char **argv, const char *prefix)
{
- if (argc != 1)
+ int stable = -1;
+
+ git_config(git_patch_id_config, &stable);
+
+ /* If nothing is set, default to unstable. */
+ if (stable < 0)
+ stable = 0;
+
+ if (argc == 2 && !strcmp(argv[1], "--stable"))
+ stable = 1;
+ else if (argc == 2 && !strcmp(argv[1], "--unstable"))
+ stable = 0;
+ else if (argc != 1)
usage(patch_id_usage);
- generate_id_list();
+ generate_id_list(stable);
return 0;
}
diff --git a/builtin/prune-packed.c b/builtin/prune-packed.c
index 6879468..7cf900e 100644
--- a/builtin/prune-packed.c
+++ b/builtin/prune-packed.c
@@ -4,69 +4,47 @@
#include "parse-options.h"
static const char * const prune_packed_usage[] = {
- N_("git prune-packed [-n|--dry-run] [-q|--quiet]"),
+ N_("git prune-packed [-n | --dry-run] [-q | --quiet]"),
NULL
};
static struct progress *progress;
-static void prune_dir(int i, DIR *dir, struct strbuf *pathname, int opts)
+static int prune_subdir(int nr, const char *path, void *data)
{
- struct dirent *de;
- char hex[40];
- int top_len = pathname->len;
+ int *opts = data;
+ display_progress(progress, nr + 1);
+ if (!(*opts & PRUNE_PACKED_DRY_RUN))
+ rmdir(path);
+ return 0;
+}
+
+static int prune_object(const unsigned char *sha1, const char *path,
+ void *data)
+{
+ int *opts = data;
- sprintf(hex, "%02x", i);
- while ((de = readdir(dir)) != NULL) {
- unsigned char sha1[20];
- if (strlen(de->d_name) != 38)
- continue;
- memcpy(hex + 2, de->d_name, 38);
- if (get_sha1_hex(hex, sha1))
- continue;
- if (!has_sha1_pack(sha1))
- continue;
+ if (!has_sha1_pack(sha1))
+ return 0;
- strbuf_add(pathname, de->d_name, 38);
- if (opts & PRUNE_PACKED_DRY_RUN)
- printf("rm -f %s\n", pathname->buf);
- else
- unlink_or_warn(pathname->buf);
- display_progress(progress, i + 1);
- strbuf_setlen(pathname, top_len);
- }
+ if (*opts & PRUNE_PACKED_DRY_RUN)
+ printf("rm -f %s\n", path);
+ else
+ unlink_or_warn(path);
+ return 0;
}
void prune_packed_objects(int opts)
{
- int i;
- const char *dir = get_object_directory();
- struct strbuf pathname = STRBUF_INIT;
- int top_len;
-
- strbuf_addstr(&pathname, dir);
if (opts & PRUNE_PACKED_VERBOSE)
progress = start_progress_delay(_("Removing duplicate objects"),
256, 95, 2);
- if (pathname.len && pathname.buf[pathname.len - 1] != '/')
- strbuf_addch(&pathname, '/');
-
- top_len = pathname.len;
- for (i = 0; i < 256; i++) {
- DIR *d;
+ for_each_loose_file_in_objdir(get_object_directory(),
+ prune_object, NULL, prune_subdir, &opts);
- display_progress(progress, i + 1);
- strbuf_setlen(&pathname, top_len);
- strbuf_addf(&pathname, "%02x/", i);
- d = opendir(pathname.buf);
- if (!d)
- continue;
- prune_dir(i, d, &pathname, opts);
- closedir(d);
- strbuf_setlen(&pathname, top_len + 2);
- rmdir(pathname.buf);
- }
+ /* Ensure we show 100% before finishing progress */
+ display_progress(progress, 256);
stop_progress(&progress);
}
diff --git a/builtin/prune.c b/builtin/prune.c
index 144a3bd..10b03d3 100644
--- a/builtin/prune.c
+++ b/builtin/prune.c
@@ -6,7 +6,6 @@
#include "reachable.h"
#include "parse-options.h"
#include "progress.h"
-#include "dir.h"
static const char * const prune_usage[] = {
N_("git prune [-n] [-v] [--expire <time>] [--] [<head>...]"),
@@ -31,11 +30,23 @@ static int prune_tmp_file(const char *fullpath)
return 0;
}
-static int prune_object(const char *fullpath, const unsigned char *sha1)
+static int prune_object(const unsigned char *sha1, const char *fullpath,
+ void *data)
{
struct stat st;
- if (lstat(fullpath, &st))
- return error("Could not stat '%s'", fullpath);
+
+ /*
+ * Do we know about this object?
+ * It must have been reachable
+ */
+ if (lookup_object(sha1))
+ return 0;
+
+ if (lstat(fullpath, &st)) {
+ /* report errors, but do not stop pruning */
+ error("Could not stat '%s'", fullpath);
+ return 0;
+ }
if (st.st_mtime > expire)
return 0;
if (show_only || verbose) {
@@ -48,68 +59,20 @@ static int prune_object(const char *fullpath, const unsigned char *sha1)
return 0;
}
-static int prune_dir(int i, struct strbuf *path)
+static int prune_cruft(const char *basename, const char *path, void *data)
{
- size_t baselen = path->len;
- DIR *dir = opendir(path->buf);
- struct dirent *de;
-
- if (!dir)
- return 0;
-
- while ((de = readdir(dir)) != NULL) {
- char name[100];
- unsigned char sha1[20];
-
- if (is_dot_or_dotdot(de->d_name))
- continue;
- if (strlen(de->d_name) == 38) {
- sprintf(name, "%02x", i);
- memcpy(name+2, de->d_name, 39);
- if (get_sha1_hex(name, sha1) < 0)
- break;
-
- /*
- * Do we know about this object?
- * It must have been reachable
- */
- if (lookup_object(sha1))
- continue;
-
- strbuf_addf(path, "/%s", de->d_name);
- prune_object(path->buf, sha1);
- strbuf_setlen(path, baselen);
- continue;
- }
- if (starts_with(de->d_name, "tmp_obj_")) {
- strbuf_addf(path, "/%s", de->d_name);
- prune_tmp_file(path->buf);
- strbuf_setlen(path, baselen);
- continue;
- }
- fprintf(stderr, "bad sha1 file: %s/%s\n", path->buf, de->d_name);
- }
- closedir(dir);
- if (!show_only)
- rmdir(path->buf);
+ if (starts_with(basename, "tmp_obj_"))
+ prune_tmp_file(path);
+ else
+ fprintf(stderr, "bad sha1 file: %s\n", path);
return 0;
}
-static void prune_object_dir(const char *path)
+static int prune_subdir(int nr, const char *path, void *data)
{
- struct strbuf buf = STRBUF_INIT;
- size_t baselen;
- int i;
-
- strbuf_addstr(&buf, path);
- strbuf_addch(&buf, '/');
- baselen = buf.len;
-
- for (i = 0; i < 256; i++) {
- strbuf_addf(&buf, "%02x", i);
- prune_dir(i, &buf);
- strbuf_setlen(&buf, baselen);
- }
+ if (!show_only)
+ rmdir(path);
+ return 0;
}
/*
@@ -151,9 +114,11 @@ int cmd_prune(int argc, const char **argv, const char *prefix)
expire = ULONG_MAX;
save_commit_buffer = 0;
check_replace_refs = 0;
+ ref_paranoia = 1;
init_revisions(&revs, prefix);
argc = parse_options(argc, argv, prefix, options, prune_usage, 0);
+
while (argc--) {
unsigned char sha1[20];
const char *name = *argv++;
@@ -171,9 +136,10 @@ int cmd_prune(int argc, const char **argv, const char *prefix)
if (show_progress)
progress = start_progress_delay(_("Checking connectivity"), 0, 0, 2);
- mark_reachable_objects(&revs, 1, progress);
+ mark_reachable_objects(&revs, 1, expire, progress);
stop_progress(&progress);
- prune_object_dir(get_object_directory());
+ for_each_loose_file_in_objdir(get_object_directory(), prune_object,
+ prune_cruft, prune_subdir, NULL);
prune_packed_objects(show_only ? PRUNE_PACKED_DRY_RUN : 0);
remove_temporary_files(get_object_directory());
diff --git a/builtin/pull.c b/builtin/pull.c
new file mode 100644
index 0000000..a39bb0a
--- /dev/null
+++ b/builtin/pull.c
@@ -0,0 +1,887 @@
+/*
+ * Builtin "git pull"
+ *
+ * Based on git-pull.sh by Junio C Hamano
+ *
+ * Fetch one or more remote refs and merge it/them into the current HEAD.
+ */
+#include "cache.h"
+#include "builtin.h"
+#include "parse-options.h"
+#include "exec_cmd.h"
+#include "run-command.h"
+#include "sha1-array.h"
+#include "remote.h"
+#include "dir.h"
+#include "refs.h"
+#include "revision.h"
+#include "tempfile.h"
+#include "lockfile.h"
+
+enum rebase_type {
+ REBASE_INVALID = -1,
+ REBASE_FALSE = 0,
+ REBASE_TRUE,
+ REBASE_PRESERVE
+};
+
+/**
+ * Parses the value of --rebase. If value is a false value, returns
+ * REBASE_FALSE. If value is a true value, returns REBASE_TRUE. If value is
+ * "preserve", returns REBASE_PRESERVE. If value is a invalid value, dies with
+ * a fatal error if fatal is true, otherwise returns REBASE_INVALID.
+ */
+static enum rebase_type parse_config_rebase(const char *key, const char *value,
+ int fatal)
+{
+ int v = git_config_maybe_bool("pull.rebase", value);
+
+ if (!v)
+ return REBASE_FALSE;
+ else if (v > 0)
+ return REBASE_TRUE;
+ else if (!strcmp(value, "preserve"))
+ return REBASE_PRESERVE;
+
+ if (fatal)
+ die(_("Invalid value for %s: %s"), key, value);
+ else
+ error(_("Invalid value for %s: %s"), key, value);
+
+ return REBASE_INVALID;
+}
+
+/**
+ * Callback for --rebase, which parses arg with parse_config_rebase().
+ */
+static int parse_opt_rebase(const struct option *opt, const char *arg, int unset)
+{
+ enum rebase_type *value = opt->value;
+
+ if (arg)
+ *value = parse_config_rebase("--rebase", arg, 0);
+ else
+ *value = unset ? REBASE_FALSE : REBASE_TRUE;
+ return *value == REBASE_INVALID ? -1 : 0;
+}
+
+static const char * const pull_usage[] = {
+ N_("git pull [options] [<repository> [<refspec>...]]"),
+ NULL
+};
+
+/* Shared options */
+static int opt_verbosity;
+static char *opt_progress;
+
+/* Options passed to git-merge or git-rebase */
+static enum rebase_type opt_rebase = -1;
+static char *opt_diffstat;
+static char *opt_log;
+static char *opt_squash;
+static char *opt_commit;
+static char *opt_edit;
+static char *opt_ff;
+static char *opt_verify_signatures;
+static struct argv_array opt_strategies = ARGV_ARRAY_INIT;
+static struct argv_array opt_strategy_opts = ARGV_ARRAY_INIT;
+static char *opt_gpg_sign;
+
+/* Options passed to git-fetch */
+static char *opt_all;
+static char *opt_append;
+static char *opt_upload_pack;
+static int opt_force;
+static char *opt_tags;
+static char *opt_prune;
+static char *opt_recurse_submodules;
+static int opt_dry_run;
+static char *opt_keep;
+static char *opt_depth;
+static char *opt_unshallow;
+static char *opt_update_shallow;
+static char *opt_refmap;
+
+static struct option pull_options[] = {
+ /* Shared options */
+ OPT__VERBOSITY(&opt_verbosity),
+ OPT_PASSTHRU(0, "progress", &opt_progress, NULL,
+ N_("force progress reporting"),
+ PARSE_OPT_NOARG),
+
+ /* Options passed to git-merge or git-rebase */
+ OPT_GROUP(N_("Options related to merging")),
+ { OPTION_CALLBACK, 'r', "rebase", &opt_rebase,
+ "false|true|preserve",
+ N_("incorporate changes by rebasing rather than merging"),
+ PARSE_OPT_OPTARG, parse_opt_rebase },
+ OPT_PASSTHRU('n', NULL, &opt_diffstat, NULL,
+ N_("do not show a diffstat at the end of the merge"),
+ PARSE_OPT_NOARG | PARSE_OPT_NONEG),
+ OPT_PASSTHRU(0, "stat", &opt_diffstat, NULL,
+ N_("show a diffstat at the end of the merge"),
+ PARSE_OPT_NOARG),
+ OPT_PASSTHRU(0, "summary", &opt_diffstat, NULL,
+ N_("(synonym to --stat)"),
+ PARSE_OPT_NOARG | PARSE_OPT_HIDDEN),
+ OPT_PASSTHRU(0, "log", &opt_log, N_("n"),
+ N_("add (at most <n>) entries from shortlog to merge commit message"),
+ PARSE_OPT_OPTARG),
+ OPT_PASSTHRU(0, "squash", &opt_squash, NULL,
+ N_("create a single commit instead of doing a merge"),
+ PARSE_OPT_NOARG),
+ OPT_PASSTHRU(0, "commit", &opt_commit, NULL,
+ N_("perform a commit if the merge succeeds (default)"),
+ PARSE_OPT_NOARG),
+ OPT_PASSTHRU(0, "edit", &opt_edit, NULL,
+ N_("edit message before committing"),
+ PARSE_OPT_NOARG),
+ OPT_PASSTHRU(0, "ff", &opt_ff, NULL,
+ N_("allow fast-forward"),
+ PARSE_OPT_NOARG),
+ OPT_PASSTHRU(0, "ff-only", &opt_ff, NULL,
+ N_("abort if fast-forward is not possible"),
+ PARSE_OPT_NOARG | PARSE_OPT_NONEG),
+ OPT_PASSTHRU(0, "verify-signatures", &opt_verify_signatures, NULL,
+ N_("verify that the named commit has a valid GPG signature"),
+ PARSE_OPT_NOARG),
+ OPT_PASSTHRU_ARGV('s', "strategy", &opt_strategies, N_("strategy"),
+ N_("merge strategy to use"),
+ 0),
+ OPT_PASSTHRU_ARGV('X', "strategy-option", &opt_strategy_opts,
+ N_("option=value"),
+ N_("option for selected merge strategy"),
+ 0),
+ OPT_PASSTHRU('S', "gpg-sign", &opt_gpg_sign, N_("key-id"),
+ N_("GPG sign commit"),
+ PARSE_OPT_OPTARG),
+
+ /* Options passed to git-fetch */
+ OPT_GROUP(N_("Options related to fetching")),
+ OPT_PASSTHRU(0, "all", &opt_all, NULL,
+ N_("fetch from all remotes"),
+ PARSE_OPT_NOARG),
+ OPT_PASSTHRU('a', "append", &opt_append, NULL,
+ N_("append to .git/FETCH_HEAD instead of overwriting"),
+ PARSE_OPT_NOARG),
+ OPT_PASSTHRU(0, "upload-pack", &opt_upload_pack, N_("path"),
+ N_("path to upload pack on remote end"),
+ 0),
+ OPT__FORCE(&opt_force, N_("force overwrite of local branch")),
+ OPT_PASSTHRU('t', "tags", &opt_tags, NULL,
+ N_("fetch all tags and associated objects"),
+ PARSE_OPT_NOARG),
+ OPT_PASSTHRU('p', "prune", &opt_prune, NULL,
+ N_("prune remote-tracking branches no longer on remote"),
+ PARSE_OPT_NOARG),
+ OPT_PASSTHRU(0, "recurse-submodules", &opt_recurse_submodules,
+ N_("on-demand"),
+ N_("control recursive fetching of submodules"),
+ PARSE_OPT_OPTARG),
+ OPT_BOOL(0, "dry-run", &opt_dry_run,
+ N_("dry run")),
+ OPT_PASSTHRU('k', "keep", &opt_keep, NULL,
+ N_("keep downloaded pack"),
+ PARSE_OPT_NOARG),
+ OPT_PASSTHRU(0, "depth", &opt_depth, N_("depth"),
+ N_("deepen history of shallow clone"),
+ 0),
+ OPT_PASSTHRU(0, "unshallow", &opt_unshallow, NULL,
+ N_("convert to a complete repository"),
+ PARSE_OPT_NONEG | PARSE_OPT_NOARG),
+ OPT_PASSTHRU(0, "update-shallow", &opt_update_shallow, NULL,
+ N_("accept refs that update .git/shallow"),
+ PARSE_OPT_NOARG),
+ OPT_PASSTHRU(0, "refmap", &opt_refmap, N_("refmap"),
+ N_("specify fetch refmap"),
+ PARSE_OPT_NONEG),
+
+ OPT_END()
+};
+
+/**
+ * Pushes "-q" or "-v" switches into arr to match the opt_verbosity level.
+ */
+static void argv_push_verbosity(struct argv_array *arr)
+{
+ int verbosity;
+
+ for (verbosity = opt_verbosity; verbosity > 0; verbosity--)
+ argv_array_push(arr, "-v");
+
+ for (verbosity = opt_verbosity; verbosity < 0; verbosity++)
+ argv_array_push(arr, "-q");
+}
+
+/**
+ * Pushes "-f" switches into arr to match the opt_force level.
+ */
+static void argv_push_force(struct argv_array *arr)
+{
+ int force = opt_force;
+ while (force-- > 0)
+ argv_array_push(arr, "-f");
+}
+
+/**
+ * Sets the GIT_REFLOG_ACTION environment variable to the concatenation of argv
+ */
+static void set_reflog_message(int argc, const char **argv)
+{
+ int i;
+ struct strbuf msg = STRBUF_INIT;
+
+ for (i = 0; i < argc; i++) {
+ if (i)
+ strbuf_addch(&msg, ' ');
+ strbuf_addstr(&msg, argv[i]);
+ }
+
+ setenv("GIT_REFLOG_ACTION", msg.buf, 0);
+
+ strbuf_release(&msg);
+}
+
+/**
+ * If pull.ff is unset, returns NULL. If pull.ff is "true", returns "--ff". If
+ * pull.ff is "false", returns "--no-ff". If pull.ff is "only", returns
+ * "--ff-only". Otherwise, if pull.ff is set to an invalid value, die with an
+ * error.
+ */
+static const char *config_get_ff(void)
+{
+ const char *value;
+
+ if (git_config_get_value("pull.ff", &value))
+ return NULL;
+
+ switch (git_config_maybe_bool("pull.ff", value)) {
+ case 0:
+ return "--no-ff";
+ case 1:
+ return "--ff";
+ }
+
+ if (!strcmp(value, "only"))
+ return "--ff-only";
+
+ die(_("Invalid value for pull.ff: %s"), value);
+}
+
+/**
+ * Returns the default configured value for --rebase. It first looks for the
+ * value of "branch.$curr_branch.rebase", where $curr_branch is the current
+ * branch, and if HEAD is detached or the configuration key does not exist,
+ * looks for the value of "pull.rebase". If both configuration keys do not
+ * exist, returns REBASE_FALSE.
+ */
+static enum rebase_type config_get_rebase(void)
+{
+ struct branch *curr_branch = branch_get("HEAD");
+ const char *value;
+
+ if (curr_branch) {
+ char *key = xstrfmt("branch.%s.rebase", curr_branch->name);
+
+ if (!git_config_get_value(key, &value)) {
+ enum rebase_type ret = parse_config_rebase(key, value, 1);
+ free(key);
+ return ret;
+ }
+
+ free(key);
+ }
+
+ if (!git_config_get_value("pull.rebase", &value))
+ return parse_config_rebase("pull.rebase", value, 1);
+
+ return REBASE_FALSE;
+}
+
+/**
+ * Returns 1 if there are unstaged changes, 0 otherwise.
+ */
+static int has_unstaged_changes(const char *prefix)
+{
+ struct rev_info rev_info;
+ int result;
+
+ init_revisions(&rev_info, prefix);
+ DIFF_OPT_SET(&rev_info.diffopt, IGNORE_SUBMODULES);
+ DIFF_OPT_SET(&rev_info.diffopt, QUICK);
+ diff_setup_done(&rev_info.diffopt);
+ result = run_diff_files(&rev_info, 0);
+ return diff_result_code(&rev_info.diffopt, result);
+}
+
+/**
+ * Returns 1 if there are uncommitted changes, 0 otherwise.
+ */
+static int has_uncommitted_changes(const char *prefix)
+{
+ struct rev_info rev_info;
+ int result;
+
+ if (is_cache_unborn())
+ return 0;
+
+ init_revisions(&rev_info, prefix);
+ DIFF_OPT_SET(&rev_info.diffopt, IGNORE_SUBMODULES);
+ DIFF_OPT_SET(&rev_info.diffopt, QUICK);
+ add_head_to_pending(&rev_info);
+ diff_setup_done(&rev_info.diffopt);
+ result = run_diff_index(&rev_info, 1);
+ return diff_result_code(&rev_info.diffopt, result);
+}
+
+/**
+ * If the work tree has unstaged or uncommitted changes, dies with the
+ * appropriate message.
+ */
+static void die_on_unclean_work_tree(const char *prefix)
+{
+ struct lock_file *lock_file = xcalloc(1, sizeof(*lock_file));
+ int do_die = 0;
+
+ hold_locked_index(lock_file, 0);
+ refresh_cache(REFRESH_QUIET);
+ update_index_if_able(&the_index, lock_file);
+ rollback_lock_file(lock_file);
+
+ if (has_unstaged_changes(prefix)) {
+ error(_("Cannot pull with rebase: You have unstaged changes."));
+ do_die = 1;
+ }
+
+ if (has_uncommitted_changes(prefix)) {
+ if (do_die)
+ error(_("Additionally, your index contains uncommitted changes."));
+ else
+ error(_("Cannot pull with rebase: Your index contains uncommitted changes."));
+ do_die = 1;
+ }
+
+ if (do_die)
+ exit(1);
+}
+
+/**
+ * Appends merge candidates from FETCH_HEAD that are not marked not-for-merge
+ * into merge_heads.
+ */
+static void get_merge_heads(struct sha1_array *merge_heads)
+{
+ const char *filename = git_path("FETCH_HEAD");
+ FILE *fp;
+ struct strbuf sb = STRBUF_INIT;
+ unsigned char sha1[GIT_SHA1_RAWSZ];
+
+ if (!(fp = fopen(filename, "r")))
+ die_errno(_("could not open '%s' for reading"), filename);
+ while (strbuf_getline(&sb, fp, '\n') != EOF) {
+ if (get_sha1_hex(sb.buf, sha1))
+ continue; /* invalid line: does not start with SHA1 */
+ if (starts_with(sb.buf + GIT_SHA1_HEXSZ, "\tnot-for-merge\t"))
+ continue; /* ref is not-for-merge */
+ sha1_array_append(merge_heads, sha1);
+ }
+ fclose(fp);
+ strbuf_release(&sb);
+}
+
+/**
+ * Used by die_no_merge_candidates() as a for_each_remote() callback to
+ * retrieve the name of the remote if the repository only has one remote.
+ */
+static int get_only_remote(struct remote *remote, void *cb_data)
+{
+ const char **remote_name = cb_data;
+
+ if (*remote_name)
+ return -1;
+
+ *remote_name = remote->name;
+ return 0;
+}
+
+/**
+ * Dies with the appropriate reason for why there are no merge candidates:
+ *
+ * 1. We fetched from a specific remote, and a refspec was given, but it ended
+ * up not fetching anything. This is usually because the user provided a
+ * wildcard refspec which had no matches on the remote end.
+ *
+ * 2. We fetched from a non-default remote, but didn't specify a branch to
+ * merge. We can't use the configured one because it applies to the default
+ * remote, thus the user must specify the branches to merge.
+ *
+ * 3. We fetched from the branch's or repo's default remote, but:
+ *
+ * a. We are not on a branch, so there will never be a configured branch to
+ * merge with.
+ *
+ * b. We are on a branch, but there is no configured branch to merge with.
+ *
+ * 4. We fetched from the branch's or repo's default remote, but the configured
+ * branch to merge didn't get fetched. (Either it doesn't exist, or wasn't
+ * part of the configured fetch refspec.)
+ */
+static void NORETURN die_no_merge_candidates(const char *repo, const char **refspecs)
+{
+ struct branch *curr_branch = branch_get("HEAD");
+ const char *remote = curr_branch ? curr_branch->remote_name : NULL;
+
+ if (*refspecs) {
+ if (opt_rebase)
+ fprintf_ln(stderr, _("There is no candidate for rebasing against among the refs that you just fetched."));
+ else
+ fprintf_ln(stderr, _("There are no candidates for merging among the refs that you just fetched."));
+ fprintf_ln(stderr, _("Generally this means that you provided a wildcard refspec which had no\n"
+ "matches on the remote end."));
+ } else if (repo && curr_branch && (!remote || strcmp(repo, remote))) {
+ fprintf_ln(stderr, _("You asked to pull from the remote '%s', but did not specify\n"
+ "a branch. Because this is not the default configured remote\n"
+ "for your current branch, you must specify a branch on the command line."),
+ repo);
+ } else if (!curr_branch) {
+ fprintf_ln(stderr, _("You are not currently on a branch."));
+ if (opt_rebase)
+ fprintf_ln(stderr, _("Please specify which branch you want to rebase against."));
+ else
+ fprintf_ln(stderr, _("Please specify which branch you want to merge with."));
+ fprintf_ln(stderr, _("See git-pull(1) for details."));
+ fprintf(stderr, "\n");
+ fprintf_ln(stderr, " git pull <remote> <branch>");
+ fprintf(stderr, "\n");
+ } else if (!curr_branch->merge_nr) {
+ const char *remote_name = NULL;
+
+ if (for_each_remote(get_only_remote, &remote_name) || !remote_name)
+ remote_name = "<remote>";
+
+ fprintf_ln(stderr, _("There is no tracking information for the current branch."));
+ if (opt_rebase)
+ fprintf_ln(stderr, _("Please specify which branch you want to rebase against."));
+ else
+ fprintf_ln(stderr, _("Please specify which branch you want to merge with."));
+ fprintf_ln(stderr, _("See git-pull(1) for details."));
+ fprintf(stderr, "\n");
+ fprintf_ln(stderr, " git pull <remote> <branch>");
+ fprintf(stderr, "\n");
+ fprintf_ln(stderr, _("If you wish to set tracking information for this branch you can do so with:\n"
+ "\n"
+ " git branch --set-upstream-to=%s/<branch> %s\n"),
+ remote_name, curr_branch->name);
+ } else
+ fprintf_ln(stderr, _("Your configuration specifies to merge with the ref '%s'\n"
+ "from the remote, but no such ref was fetched."),
+ *curr_branch->merge_name);
+ exit(1);
+}
+
+/**
+ * Parses argv into [<repo> [<refspecs>...]], returning their values in `repo`
+ * as a string and `refspecs` as a null-terminated array of strings. If `repo`
+ * is not provided in argv, it is set to NULL.
+ */
+static void parse_repo_refspecs(int argc, const char **argv, const char **repo,
+ const char ***refspecs)
+{
+ if (argc > 0) {
+ *repo = *argv++;
+ argc--;
+ } else
+ *repo = NULL;
+ *refspecs = argv;
+}
+
+/**
+ * Runs git-fetch, returning its exit status. `repo` and `refspecs` are the
+ * repository and refspecs to fetch, or NULL if they are not provided.
+ */
+static int run_fetch(const char *repo, const char **refspecs)
+{
+ struct argv_array args = ARGV_ARRAY_INIT;
+ int ret;
+
+ argv_array_pushl(&args, "fetch", "--update-head-ok", NULL);
+
+ /* Shared options */
+ argv_push_verbosity(&args);
+ if (opt_progress)
+ argv_array_push(&args, opt_progress);
+
+ /* Options passed to git-fetch */
+ if (opt_all)
+ argv_array_push(&args, opt_all);
+ if (opt_append)
+ argv_array_push(&args, opt_append);
+ if (opt_upload_pack)
+ argv_array_push(&args, opt_upload_pack);
+ argv_push_force(&args);
+ if (opt_tags)
+ argv_array_push(&args, opt_tags);
+ if (opt_prune)
+ argv_array_push(&args, opt_prune);
+ if (opt_recurse_submodules)
+ argv_array_push(&args, opt_recurse_submodules);
+ if (opt_dry_run)
+ argv_array_push(&args, "--dry-run");
+ if (opt_keep)
+ argv_array_push(&args, opt_keep);
+ if (opt_depth)
+ argv_array_push(&args, opt_depth);
+ if (opt_unshallow)
+ argv_array_push(&args, opt_unshallow);
+ if (opt_update_shallow)
+ argv_array_push(&args, opt_update_shallow);
+ if (opt_refmap)
+ argv_array_push(&args, opt_refmap);
+
+ if (repo) {
+ argv_array_push(&args, repo);
+ argv_array_pushv(&args, refspecs);
+ } else if (*refspecs)
+ die("BUG: refspecs without repo?");
+ ret = run_command_v_opt(args.argv, RUN_GIT_CMD);
+ argv_array_clear(&args);
+ return ret;
+}
+
+/**
+ * "Pulls into void" by branching off merge_head.
+ */
+static int pull_into_void(const unsigned char *merge_head,
+ const unsigned char *curr_head)
+{
+ /*
+ * Two-way merge: we treat the index as based on an empty tree,
+ * and try to fast-forward to HEAD. This ensures we will not lose
+ * index/worktree changes that the user already made on the unborn
+ * branch.
+ */
+ if (checkout_fast_forward(EMPTY_TREE_SHA1_BIN, merge_head, 0))
+ return 1;
+
+ if (update_ref("initial pull", "HEAD", merge_head, curr_head, 0, UPDATE_REFS_DIE_ON_ERR))
+ return 1;
+
+ return 0;
+}
+
+/**
+ * Runs git-merge, returning its exit status.
+ */
+static int run_merge(void)
+{
+ int ret;
+ struct argv_array args = ARGV_ARRAY_INIT;
+
+ argv_array_pushl(&args, "merge", NULL);
+
+ /* Shared options */
+ argv_push_verbosity(&args);
+ if (opt_progress)
+ argv_array_push(&args, opt_progress);
+
+ /* Options passed to git-merge */
+ if (opt_diffstat)
+ argv_array_push(&args, opt_diffstat);
+ if (opt_log)
+ argv_array_push(&args, opt_log);
+ if (opt_squash)
+ argv_array_push(&args, opt_squash);
+ if (opt_commit)
+ argv_array_push(&args, opt_commit);
+ if (opt_edit)
+ argv_array_push(&args, opt_edit);
+ if (opt_ff)
+ argv_array_push(&args, opt_ff);
+ if (opt_verify_signatures)
+ argv_array_push(&args, opt_verify_signatures);
+ argv_array_pushv(&args, opt_strategies.argv);
+ argv_array_pushv(&args, opt_strategy_opts.argv);
+ if (opt_gpg_sign)
+ argv_array_push(&args, opt_gpg_sign);
+
+ argv_array_push(&args, "FETCH_HEAD");
+ ret = run_command_v_opt(args.argv, RUN_GIT_CMD);
+ argv_array_clear(&args);
+ return ret;
+}
+
+/**
+ * Returns remote's upstream branch for the current branch. If remote is NULL,
+ * the current branch's configured default remote is used. Returns NULL if
+ * `remote` does not name a valid remote, HEAD does not point to a branch,
+ * remote is not the branch's configured remote or the branch does not have any
+ * configured upstream branch.
+ */
+static const char *get_upstream_branch(const char *remote)
+{
+ struct remote *rm;
+ struct branch *curr_branch;
+ const char *curr_branch_remote;
+
+ rm = remote_get(remote);
+ if (!rm)
+ return NULL;
+
+ curr_branch = branch_get("HEAD");
+ if (!curr_branch)
+ return NULL;
+
+ curr_branch_remote = remote_for_branch(curr_branch, NULL);
+ assert(curr_branch_remote);
+
+ if (strcmp(curr_branch_remote, rm->name))
+ return NULL;
+
+ return branch_get_upstream(curr_branch, NULL);
+}
+
+/**
+ * Derives the remote tracking branch from the remote and refspec.
+ *
+ * FIXME: The current implementation assumes the default mapping of
+ * refs/heads/<branch_name> to refs/remotes/<remote_name>/<branch_name>.
+ */
+static const char *get_tracking_branch(const char *remote, const char *refspec)
+{
+ struct refspec *spec;
+ const char *spec_src;
+ const char *merge_branch;
+
+ spec = parse_fetch_refspec(1, &refspec);
+ spec_src = spec->src;
+ if (!*spec_src || !strcmp(spec_src, "HEAD"))
+ spec_src = "HEAD";
+ else if (skip_prefix(spec_src, "heads/", &spec_src))
+ ;
+ else if (skip_prefix(spec_src, "refs/heads/", &spec_src))
+ ;
+ else if (starts_with(spec_src, "refs/") ||
+ starts_with(spec_src, "tags/") ||
+ starts_with(spec_src, "remotes/"))
+ spec_src = "";
+
+ if (*spec_src) {
+ if (!strcmp(remote, "."))
+ merge_branch = mkpath("refs/heads/%s", spec_src);
+ else
+ merge_branch = mkpath("refs/remotes/%s/%s", remote, spec_src);
+ } else
+ merge_branch = NULL;
+
+ free_refspec(1, spec);
+ return merge_branch;
+}
+
+/**
+ * Given the repo and refspecs, sets fork_point to the point at which the
+ * current branch forked from its remote tracking branch. Returns 0 on success,
+ * -1 on failure.
+ */
+static int get_rebase_fork_point(unsigned char *fork_point, const char *repo,
+ const char *refspec)
+{
+ int ret;
+ struct branch *curr_branch;
+ const char *remote_branch;
+ struct child_process cp = CHILD_PROCESS_INIT;
+ struct strbuf sb = STRBUF_INIT;
+
+ curr_branch = branch_get("HEAD");
+ if (!curr_branch)
+ return -1;
+
+ if (refspec)
+ remote_branch = get_tracking_branch(repo, refspec);
+ else
+ remote_branch = get_upstream_branch(repo);
+
+ if (!remote_branch)
+ return -1;
+
+ argv_array_pushl(&cp.args, "merge-base", "--fork-point",
+ remote_branch, curr_branch->name, NULL);
+ cp.no_stdin = 1;
+ cp.no_stderr = 1;
+ cp.git_cmd = 1;
+
+ ret = capture_command(&cp, &sb, GIT_SHA1_HEXSZ);
+ if (ret)
+ goto cleanup;
+
+ ret = get_sha1_hex(sb.buf, fork_point);
+ if (ret)
+ goto cleanup;
+
+cleanup:
+ strbuf_release(&sb);
+ return ret ? -1 : 0;
+}
+
+/**
+ * Sets merge_base to the octopus merge base of curr_head, merge_head and
+ * fork_point. Returns 0 if a merge base is found, 1 otherwise.
+ */
+static int get_octopus_merge_base(unsigned char *merge_base,
+ const unsigned char *curr_head,
+ const unsigned char *merge_head,
+ const unsigned char *fork_point)
+{
+ struct commit_list *revs = NULL, *result;
+
+ commit_list_insert(lookup_commit_reference(curr_head), &revs);
+ commit_list_insert(lookup_commit_reference(merge_head), &revs);
+ if (!is_null_sha1(fork_point))
+ commit_list_insert(lookup_commit_reference(fork_point), &revs);
+
+ result = reduce_heads(get_octopus_merge_bases(revs));
+ free_commit_list(revs);
+ if (!result)
+ return 1;
+
+ hashcpy(merge_base, result->item->object.sha1);
+ return 0;
+}
+
+/**
+ * Given the current HEAD SHA1, the merge head returned from git-fetch and the
+ * fork point calculated by get_rebase_fork_point(), runs git-rebase with the
+ * appropriate arguments and returns its exit status.
+ */
+static int run_rebase(const unsigned char *curr_head,
+ const unsigned char *merge_head,
+ const unsigned char *fork_point)
+{
+ int ret;
+ unsigned char oct_merge_base[GIT_SHA1_RAWSZ];
+ struct argv_array args = ARGV_ARRAY_INIT;
+
+ if (!get_octopus_merge_base(oct_merge_base, curr_head, merge_head, fork_point))
+ if (!is_null_sha1(fork_point) && !hashcmp(oct_merge_base, fork_point))
+ fork_point = NULL;
+
+ argv_array_push(&args, "rebase");
+
+ /* Shared options */
+ argv_push_verbosity(&args);
+
+ /* Options passed to git-rebase */
+ if (opt_rebase == REBASE_PRESERVE)
+ argv_array_push(&args, "--preserve-merges");
+ if (opt_diffstat)
+ argv_array_push(&args, opt_diffstat);
+ argv_array_pushv(&args, opt_strategies.argv);
+ argv_array_pushv(&args, opt_strategy_opts.argv);
+ if (opt_gpg_sign)
+ argv_array_push(&args, opt_gpg_sign);
+
+ argv_array_push(&args, "--onto");
+ argv_array_push(&args, sha1_to_hex(merge_head));
+
+ if (fork_point && !is_null_sha1(fork_point))
+ argv_array_push(&args, sha1_to_hex(fork_point));
+ else
+ argv_array_push(&args, sha1_to_hex(merge_head));
+
+ ret = run_command_v_opt(args.argv, RUN_GIT_CMD);
+ argv_array_clear(&args);
+ return ret;
+}
+
+int cmd_pull(int argc, const char **argv, const char *prefix)
+{
+ const char *repo, **refspecs;
+ struct sha1_array merge_heads = SHA1_ARRAY_INIT;
+ unsigned char orig_head[GIT_SHA1_RAWSZ], curr_head[GIT_SHA1_RAWSZ];
+ unsigned char rebase_fork_point[GIT_SHA1_RAWSZ];
+
+ if (!getenv("GIT_REFLOG_ACTION"))
+ set_reflog_message(argc, argv);
+
+ argc = parse_options(argc, argv, prefix, pull_options, pull_usage, 0);
+
+ parse_repo_refspecs(argc, argv, &repo, &refspecs);
+
+ if (!opt_ff)
+ opt_ff = xstrdup_or_null(config_get_ff());
+
+ if (opt_rebase < 0)
+ opt_rebase = config_get_rebase();
+
+ git_config(git_default_config, NULL);
+
+ if (read_cache_unmerged())
+ die_resolve_conflict("Pull");
+
+ if (file_exists(git_path("MERGE_HEAD")))
+ die_conclude_merge();
+
+ if (get_sha1("HEAD", orig_head))
+ hashclr(orig_head);
+
+ if (opt_rebase) {
+ int autostash = 0;
+
+ if (is_null_sha1(orig_head) && !is_cache_unborn())
+ die(_("Updating an unborn branch with changes added to the index."));
+
+ git_config_get_bool("rebase.autostash", &autostash);
+ if (!autostash)
+ die_on_unclean_work_tree(prefix);
+
+ if (get_rebase_fork_point(rebase_fork_point, repo, *refspecs))
+ hashclr(rebase_fork_point);
+ }
+
+ if (run_fetch(repo, refspecs))
+ return 1;
+
+ if (opt_dry_run)
+ return 0;
+
+ if (get_sha1("HEAD", curr_head))
+ hashclr(curr_head);
+
+ if (!is_null_sha1(orig_head) && !is_null_sha1(curr_head) &&
+ hashcmp(orig_head, curr_head)) {
+ /*
+ * The fetch involved updating the current branch.
+ *
+ * The working tree and the index file are still based on
+ * orig_head commit, but we are merging into curr_head.
+ * Update the working tree to match curr_head.
+ */
+
+ warning(_("fetch updated the current branch head.\n"
+ "fast-forwarding your working tree from\n"
+ "commit %s."), sha1_to_hex(orig_head));
+
+ if (checkout_fast_forward(orig_head, curr_head, 0))
+ die(_("Cannot fast-forward your working tree.\n"
+ "After making sure that you saved anything precious from\n"
+ "$ git diff %s\n"
+ "output, run\n"
+ "$ git reset --hard\n"
+ "to recover."), sha1_to_hex(orig_head));
+ }
+
+ get_merge_heads(&merge_heads);
+
+ if (!merge_heads.nr)
+ die_no_merge_candidates(repo, refspecs);
+
+ if (is_null_sha1(orig_head)) {
+ if (merge_heads.nr > 1)
+ die(_("Cannot merge multiple branches into empty head."));
+ return pull_into_void(*merge_heads.sha1, curr_head);
+ } else if (opt_rebase) {
+ if (merge_heads.nr > 1)
+ die(_("Cannot rebase onto multiple branches."));
+ return run_rebase(curr_head, *merge_heads.sha1, rebase_fork_point);
+ } else
+ return run_merge();
+}
diff --git a/builtin/push.c b/builtin/push.c
index f8dfea4..3bda430 100644
--- a/builtin/push.c
+++ b/builtin/push.c
@@ -9,6 +9,7 @@
#include "transport.h"
#include "parse-options.h"
#include "submodule.h"
+#include "send-pack.h"
static const char * const push_usage[] = {
N_("git push [<options>] [<repository> [<refspec>...]]"),
@@ -127,11 +128,10 @@ static NORETURN int die_push_simple(struct branch *branch, struct remote *remote
* them the big ugly fully qualified ref.
*/
const char *advice_maybe = "";
- const char *short_upstream =
- skip_prefix(branch->merge[0]->src, "refs/heads/");
+ const char *short_upstream = branch->merge[0]->src;
+
+ skip_prefix(short_upstream, "refs/heads/", &short_upstream);
- if (!short_upstream)
- short_upstream = branch->merge[0]->src;
/*
* Don't show advice for people who explicitly set
* push.default.
@@ -162,7 +162,7 @@ static const char message_detached_head_die[] =
" git push %s HEAD:<name-of-remote-branch>\n");
static void setup_push_upstream(struct remote *remote, struct branch *branch,
- int triangular)
+ int triangular, int simple)
{
struct strbuf refspec = STRBUF_INIT;
@@ -185,7 +185,7 @@ static void setup_push_upstream(struct remote *remote, struct branch *branch,
"to update which remote branch."),
remote->name, branch->name);
- if (push_default == PUSH_DEFAULT_SIMPLE) {
+ if (simple) {
/* Additional safety */
if (strcmp(branch->refname, branch->merge[0]->src))
die_push_simple(branch, remote);
@@ -258,11 +258,11 @@ static void setup_default_push_refspecs(struct remote *remote)
if (triangular)
setup_push_current(remote, branch);
else
- setup_push_upstream(remote, branch, triangular);
+ setup_push_upstream(remote, branch, triangular, 1);
break;
case PUSH_DEFAULT_UPSTREAM:
- setup_push_upstream(remote, branch, triangular);
+ setup_push_upstream(remote, branch, triangular, 0);
break;
case PUSH_DEFAULT_CURRENT:
@@ -472,10 +472,66 @@ static int option_parse_recurse_submodules(const struct option *opt,
return 0;
}
+static void set_push_cert_flags(int *flags, int v)
+{
+ switch (v) {
+ case SEND_PACK_PUSH_CERT_NEVER:
+ *flags &= ~(TRANSPORT_PUSH_CERT_ALWAYS | TRANSPORT_PUSH_CERT_IF_ASKED);
+ break;
+ case SEND_PACK_PUSH_CERT_ALWAYS:
+ *flags |= TRANSPORT_PUSH_CERT_ALWAYS;
+ *flags &= ~TRANSPORT_PUSH_CERT_IF_ASKED;
+ break;
+ case SEND_PACK_PUSH_CERT_IF_ASKED:
+ *flags |= TRANSPORT_PUSH_CERT_IF_ASKED;
+ *flags &= ~TRANSPORT_PUSH_CERT_ALWAYS;
+ break;
+ }
+}
+
+
+static int git_push_config(const char *k, const char *v, void *cb)
+{
+ int *flags = cb;
+ int status;
+
+ status = git_gpg_config(k, v, NULL);
+ if (status)
+ return status;
+
+ if (!strcmp(k, "push.followtags")) {
+ if (git_config_bool(k, v))
+ *flags |= TRANSPORT_PUSH_FOLLOW_TAGS;
+ else
+ *flags &= ~TRANSPORT_PUSH_FOLLOW_TAGS;
+ return 0;
+ } else if (!strcmp(k, "push.gpgsign")) {
+ const char *value;
+ if (!git_config_get_value("push.gpgsign", &value)) {
+ switch (git_config_maybe_bool("push.gpgsign", value)) {
+ case 0:
+ set_push_cert_flags(flags, SEND_PACK_PUSH_CERT_NEVER);
+ break;
+ case 1:
+ set_push_cert_flags(flags, SEND_PACK_PUSH_CERT_ALWAYS);
+ break;
+ default:
+ if (value && !strcasecmp(value, "if-asked"))
+ set_push_cert_flags(flags, SEND_PACK_PUSH_CERT_IF_ASKED);
+ else
+ return error("Invalid value for '%s'", k);
+ }
+ }
+ }
+
+ return git_default_config(k, v, NULL);
+}
+
int cmd_push(int argc, const char **argv, const char *prefix)
{
int flags = 0;
int tags = 0;
+ int push_cert = -1;
int rc;
const char *repo = NULL; /* default repository */
struct option options[] = {
@@ -493,7 +549,7 @@ int cmd_push(int argc, const char **argv, const char *prefix)
0, CAS_OPT_NAME, &cas, N_("refname>:<expect"),
N_("require old value of ref to be at this value"),
PARSE_OPT_OPTARG, parseopt_push_cas_option },
- { OPTION_CALLBACK, 0, "recurse-submodules", &flags, N_("check"),
+ { OPTION_CALLBACK, 0, "recurse-submodules", &flags, "check|on-demand",
N_("control recursive pushing of submodules"),
PARSE_OPT_OPTARG, option_parse_recurse_submodules },
OPT_BOOL( 0 , "thin", &thin, N_("use thin pack")),
@@ -507,12 +563,17 @@ int cmd_push(int argc, const char **argv, const char *prefix)
OPT_BIT(0, "no-verify", &flags, N_("bypass pre-push hook"), TRANSPORT_PUSH_NO_HOOK),
OPT_BIT(0, "follow-tags", &flags, N_("push missing but relevant tags"),
TRANSPORT_PUSH_FOLLOW_TAGS),
+ { OPTION_CALLBACK,
+ 0, "signed", &push_cert, "yes|no|if-asked", N_("GPG sign the push"),
+ PARSE_OPT_OPTARG, option_parse_push_signed },
+ OPT_BIT(0, "atomic", &flags, N_("request atomic transaction on remote side"), TRANSPORT_PUSH_ATOMIC),
OPT_END()
};
packet_trace_identity("push");
- git_config(git_default_config, NULL);
+ git_config(git_push_config, &flags);
argc = parse_options(argc, argv, prefix, options, push_usage, 0);
+ set_push_cert_flags(&flags, push_cert);
if (deleterefs && (tags || (flags & (TRANSPORT_PUSH_ALL | TRANSPORT_PUSH_MIRROR))))
die(_("--delete is incompatible with --all, --mirror and --tags"));
diff --git a/builtin/read-tree.c b/builtin/read-tree.c
index 0d7ef84..2379e11 100644
--- a/builtin/read-tree.c
+++ b/builtin/read-tree.c
@@ -5,6 +5,7 @@
*/
#include "cache.h"
+#include "lockfile.h"
#include "object.h"
#include "tree.h"
#include "tree-walk.h"
@@ -33,7 +34,7 @@ static int list_tree(unsigned char *sha1)
}
static const char * const read_tree_usage[] = {
- N_("git read-tree [[-m [--trivial] [--aggressive] | --reset | --prefix=<prefix>] [-u [--exclude-per-directory=<gitignore>] | -i]] [--no-sparse-checkout] [--index-output=<file>] (--empty | <tree-ish1> [<tree-ish2> [<tree-ish3>]])"),
+ N_("git read-tree [(-m [--trivial] [--aggressive] | --reset | --prefix=<prefix>) [-u [--exclude-per-directory=<gitignore>] | -i]] [--no-sparse-checkout] [--index-output=<file>] (--empty | <tree-ish1> [<tree-ish2> [<tree-ish3>]])"),
NULL
};
@@ -99,7 +100,7 @@ static struct lock_file lock_file;
int cmd_read_tree(int argc, const char **argv, const char *unused_prefix)
{
- int i, newfd, stage = 0;
+ int i, stage = 0;
unsigned char sha1[20];
struct tree_desc t[MAX_UNPACK_TREES];
struct unpack_trees_options opts;
@@ -149,12 +150,21 @@ int cmd_read_tree(int argc, const char **argv, const char *unused_prefix)
argc = parse_options(argc, argv, unused_prefix, read_tree_options,
read_tree_usage, 0);
- newfd = hold_locked_index(&lock_file, 1);
+ hold_locked_index(&lock_file, 1);
prefix_set = opts.prefix ? 1 : 0;
if (1 < opts.merge + opts.reset + prefix_set)
die("Which one? -m, --reset, or --prefix?");
+ /*
+ * NEEDSWORK
+ *
+ * The old index should be read anyway even if we're going to
+ * destroy all index entries because we still need to preserve
+ * certain information such as index version or split-index
+ * mode.
+ */
+
if (opts.reset || opts.merge || opts.prefix) {
if (read_cache_unmerged() && (opts.prefix || opts.merge))
die("You need to resolve your current index first");
@@ -231,10 +241,9 @@ int cmd_read_tree(int argc, const char **argv, const char *unused_prefix)
* what came from the tree.
*/
if (nr_trees == 1 && !opts.prefix)
- prime_cache_tree(&active_cache_tree, trees[0]);
+ prime_cache_tree(&the_index, trees[0]);
- if (write_cache(newfd, active_cache, active_nr) ||
- commit_locked_index(&lock_file))
+ if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK))
die("unable to write new index file");
return 0;
}
diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c
index c323081..e6b93d0 100644
--- a/builtin/receive-pack.c
+++ b/builtin/receive-pack.c
@@ -1,4 +1,5 @@
#include "builtin.h"
+#include "lockfile.h"
#include "pack.h"
#include "refs.h"
#include "pkt-line.h"
@@ -15,6 +16,10 @@
#include "connected.h"
#include "argv-array.h"
#include "version.h"
+#include "tag.h"
+#include "gpg-interface.h"
+#include "sigchain.h"
+#include "fsck.h"
static const char receive_pack_usage[] = "git receive-pack <git-dir>";
@@ -22,7 +27,8 @@ enum deny_action {
DENY_UNCONFIGURED,
DENY_IGNORE,
DENY_WARN,
- DENY_REFUSE
+ DENY_REFUSE,
+ DENY_UPDATE_INSTEAD
};
static int deny_deletes;
@@ -31,21 +37,41 @@ static enum deny_action deny_current_branch = DENY_UNCONFIGURED;
static enum deny_action deny_delete_current = DENY_UNCONFIGURED;
static int receive_fsck_objects = -1;
static int transfer_fsck_objects = -1;
+static struct strbuf fsck_msg_types = STRBUF_INIT;
static int receive_unpack_limit = -1;
static int transfer_unpack_limit = -1;
+static int advertise_atomic_push = 1;
static int unpack_limit = 100;
static int report_status;
static int use_sideband;
+static int use_atomic;
static int quiet;
static int prefer_ofs_delta = 1;
static int auto_update_server_info;
static int auto_gc = 1;
static int fix_thin = 1;
+static int stateless_rpc;
+static const char *service_dir;
static const char *head_name;
static void *head_name_to_free;
static int sent_capabilities;
static int shallow_update;
static const char *alt_shallow_file;
+static struct strbuf push_cert = STRBUF_INIT;
+static unsigned char push_cert_sha1[20];
+static struct signature_check sigcheck;
+static const char *push_cert_nonce;
+static const char *cert_nonce_seed;
+
+static const char *NONCE_UNSOLICITED = "UNSOLICITED";
+static const char *NONCE_BAD = "BAD";
+static const char *NONCE_MISSING = "MISSING";
+static const char *NONCE_OK = "OK";
+static const char *NONCE_SLOP = "SLOP";
+static const char *nonce_status;
+static long nonce_stamp_slop;
+static unsigned long nonce_stamp_slop_limit;
+static struct ref_transaction *transaction;
static enum deny_action parse_deny_action(const char *var, const char *value)
{
@@ -56,6 +82,8 @@ static enum deny_action parse_deny_action(const char *var, const char *value)
return DENY_WARN;
if (!strcasecmp(value, "refuse"))
return DENY_REFUSE;
+ if (!strcasecmp(value, "updateinstead"))
+ return DENY_UPDATE_INSTEAD;
}
if (git_config_bool(var, value))
return DENY_REFUSE;
@@ -89,6 +117,26 @@ static int receive_pack_config(const char *var, const char *value, void *cb)
return 0;
}
+ if (strcmp(var, "receive.fsck.skiplist") == 0) {
+ const char *path;
+
+ if (git_config_pathname(&path, var, value))
+ return 1;
+ strbuf_addf(&fsck_msg_types, "%cskiplist=%s",
+ fsck_msg_types.len ? ',' : '=', path);
+ free((char *)path);
+ return 0;
+ }
+
+ if (skip_prefix(var, "receive.fsck.", &var)) {
+ if (is_valid_msg_type(var, value))
+ strbuf_addf(&fsck_msg_types, "%c%s=%s",
+ fsck_msg_types.len ? ',' : '=', var, value);
+ else
+ warning("Skipping unknown msg id '%s'", var);
+ return 0;
+ }
+
if (strcmp(var, "receive.fsckobjects") == 0) {
receive_fsck_objects = git_config_bool(var, value);
return 0;
@@ -129,6 +177,19 @@ static int receive_pack_config(const char *var, const char *value, void *cb)
return 0;
}
+ if (strcmp(var, "receive.certnonceseed") == 0)
+ return git_config_string(&cert_nonce_seed, var, value);
+
+ if (strcmp(var, "receive.certnonceslop") == 0) {
+ nonce_stamp_slop_limit = git_config_ulong(var, value);
+ return 0;
+ }
+
+ if (strcmp(var, "receive.advertiseatomic") == 0) {
+ advertise_atomic_push = git_config_bool(var, value);
+ return 0;
+ }
+
return git_default_config(var, value, cb);
}
@@ -137,18 +198,28 @@ static void show_ref(const char *path, const unsigned char *sha1)
if (ref_is_hidden(path))
return;
- if (sent_capabilities)
+ if (sent_capabilities) {
packet_write(1, "%s %s\n", sha1_to_hex(sha1), path);
- else
- packet_write(1, "%s %s%c%s%s agent=%s\n",
- sha1_to_hex(sha1), path, 0,
- " report-status delete-refs side-band-64k quiet",
- prefer_ofs_delta ? " ofs-delta" : "",
- git_user_agent_sanitized());
- sent_capabilities = 1;
+ } else {
+ struct strbuf cap = STRBUF_INIT;
+
+ strbuf_addstr(&cap,
+ "report-status delete-refs side-band-64k quiet");
+ if (advertise_atomic_push)
+ strbuf_addstr(&cap, " atomic");
+ if (prefer_ofs_delta)
+ strbuf_addstr(&cap, " ofs-delta");
+ if (push_cert_nonce)
+ strbuf_addf(&cap, " push-cert=%s", push_cert_nonce);
+ strbuf_addf(&cap, " agent=%s", git_user_agent_sanitized());
+ packet_write(1, "%s %s%c%s\n",
+ sha1_to_hex(sha1), path, 0, cap.buf);
+ strbuf_release(&cap);
+ sent_capabilities = 1;
+ }
}
-static int show_ref_cb(const char *path, const unsigned char *sha1, int flag, void *unused)
+static int show_ref_cb(const char *path, const struct object_id *oid, int flag, void *unused)
{
path = strip_namespace(path);
/*
@@ -161,7 +232,7 @@ static int show_ref_cb(const char *path, const unsigned char *sha1, int flag, vo
*/
if (!path)
path = ".have";
- show_ref(path, sha1);
+ show_ref(path, oid->hash);
return 0;
}
@@ -179,6 +250,7 @@ static void collect_one_alternate_ref(const struct ref *ref, void *data)
static void write_head_info(void)
{
struct sha1_array sa = SHA1_ARRAY_INIT;
+
for_each_alternate_ref(collect_one_alternate_ref, &sa);
sha1_array_for_each_unique(&sa, show_one_alternate_sha1, NULL);
sha1_array_clear(&sa);
@@ -252,10 +324,231 @@ static int copy_to_sideband(int in, int out, void *arg)
return 0;
}
+#define HMAC_BLOCK_SIZE 64
+
+static void hmac_sha1(unsigned char *out,
+ const char *key_in, size_t key_len,
+ const char *text, size_t text_len)
+{
+ unsigned char key[HMAC_BLOCK_SIZE];
+ unsigned char k_ipad[HMAC_BLOCK_SIZE];
+ unsigned char k_opad[HMAC_BLOCK_SIZE];
+ int i;
+ git_SHA_CTX ctx;
+
+ /* RFC 2104 2. (1) */
+ memset(key, '\0', HMAC_BLOCK_SIZE);
+ if (HMAC_BLOCK_SIZE < key_len) {
+ git_SHA1_Init(&ctx);
+ git_SHA1_Update(&ctx, key_in, key_len);
+ git_SHA1_Final(key, &ctx);
+ } else {
+ memcpy(key, key_in, key_len);
+ }
+
+ /* RFC 2104 2. (2) & (5) */
+ for (i = 0; i < sizeof(key); i++) {
+ k_ipad[i] = key[i] ^ 0x36;
+ k_opad[i] = key[i] ^ 0x5c;
+ }
+
+ /* RFC 2104 2. (3) & (4) */
+ git_SHA1_Init(&ctx);
+ git_SHA1_Update(&ctx, k_ipad, sizeof(k_ipad));
+ git_SHA1_Update(&ctx, text, text_len);
+ git_SHA1_Final(out, &ctx);
+
+ /* RFC 2104 2. (6) & (7) */
+ git_SHA1_Init(&ctx);
+ git_SHA1_Update(&ctx, k_opad, sizeof(k_opad));
+ git_SHA1_Update(&ctx, out, 20);
+ git_SHA1_Final(out, &ctx);
+}
+
+static char *prepare_push_cert_nonce(const char *path, unsigned long stamp)
+{
+ struct strbuf buf = STRBUF_INIT;
+ unsigned char sha1[20];
+
+ strbuf_addf(&buf, "%s:%lu", path, stamp);
+ hmac_sha1(sha1, buf.buf, buf.len, cert_nonce_seed, strlen(cert_nonce_seed));;
+ strbuf_release(&buf);
+
+ /* RFC 2104 5. HMAC-SHA1-80 */
+ strbuf_addf(&buf, "%lu-%.*s", stamp, 20, sha1_to_hex(sha1));
+ return strbuf_detach(&buf, NULL);
+}
+
+/*
+ * NEEDSWORK: reuse find_commit_header() from jk/commit-author-parsing
+ * after dropping "_commit" from its name and possibly moving it out
+ * of commit.c
+ */
+static char *find_header(const char *msg, size_t len, const char *key)
+{
+ int key_len = strlen(key);
+ const char *line = msg;
+
+ while (line && line < msg + len) {
+ const char *eol = strchrnul(line, '\n');
+
+ if ((msg + len <= eol) || line == eol)
+ return NULL;
+ if (line + key_len < eol &&
+ !memcmp(line, key, key_len) && line[key_len] == ' ') {
+ int offset = key_len + 1;
+ return xmemdupz(line + offset, (eol - line) - offset);
+ }
+ line = *eol ? eol + 1 : NULL;
+ }
+ return NULL;
+}
+
+static const char *check_nonce(const char *buf, size_t len)
+{
+ char *nonce = find_header(buf, len, "nonce");
+ unsigned long stamp, ostamp;
+ char *bohmac, *expect = NULL;
+ const char *retval = NONCE_BAD;
+
+ if (!nonce) {
+ retval = NONCE_MISSING;
+ goto leave;
+ } else if (!push_cert_nonce) {
+ retval = NONCE_UNSOLICITED;
+ goto leave;
+ } else if (!strcmp(push_cert_nonce, nonce)) {
+ retval = NONCE_OK;
+ goto leave;
+ }
+
+ if (!stateless_rpc) {
+ /* returned nonce MUST match what we gave out earlier */
+ retval = NONCE_BAD;
+ goto leave;
+ }
+
+ /*
+ * In stateless mode, we may be receiving a nonce issued by
+ * another instance of the server that serving the same
+ * repository, and the timestamps may not match, but the
+ * nonce-seed and dir should match, so we can recompute and
+ * report the time slop.
+ *
+ * In addition, when a nonce issued by another instance has
+ * timestamp within receive.certnonceslop seconds, we pretend
+ * as if we issued that nonce when reporting to the hook.
+ */
+
+ /* nonce is concat(<seconds-since-epoch>, "-", <hmac>) */
+ if (*nonce <= '0' || '9' < *nonce) {
+ retval = NONCE_BAD;
+ goto leave;
+ }
+ stamp = strtoul(nonce, &bohmac, 10);
+ if (bohmac == nonce || bohmac[0] != '-') {
+ retval = NONCE_BAD;
+ goto leave;
+ }
+
+ expect = prepare_push_cert_nonce(service_dir, stamp);
+ if (strcmp(expect, nonce)) {
+ /* Not what we would have signed earlier */
+ retval = NONCE_BAD;
+ goto leave;
+ }
+
+ /*
+ * By how many seconds is this nonce stale? Negative value
+ * would mean it was issued by another server with its clock
+ * skewed in the future.
+ */
+ ostamp = strtoul(push_cert_nonce, NULL, 10);
+ nonce_stamp_slop = (long)ostamp - (long)stamp;
+
+ if (nonce_stamp_slop_limit &&
+ labs(nonce_stamp_slop) <= nonce_stamp_slop_limit) {
+ /*
+ * Pretend as if the received nonce (which passes the
+ * HMAC check, so it is not a forged by third-party)
+ * is what we issued.
+ */
+ free((void *)push_cert_nonce);
+ push_cert_nonce = xstrdup(nonce);
+ retval = NONCE_OK;
+ } else {
+ retval = NONCE_SLOP;
+ }
+
+leave:
+ free(nonce);
+ free(expect);
+ return retval;
+}
+
+static void prepare_push_cert_sha1(struct child_process *proc)
+{
+ static int already_done;
+
+ if (!push_cert.len)
+ return;
+
+ if (!already_done) {
+ struct strbuf gpg_output = STRBUF_INIT;
+ struct strbuf gpg_status = STRBUF_INIT;
+ int bogs /* beginning_of_gpg_sig */;
+
+ already_done = 1;
+ if (write_sha1_file(push_cert.buf, push_cert.len, "blob", push_cert_sha1))
+ hashclr(push_cert_sha1);
+
+ memset(&sigcheck, '\0', sizeof(sigcheck));
+ sigcheck.result = 'N';
+
+ bogs = parse_signature(push_cert.buf, push_cert.len);
+ if (verify_signed_buffer(push_cert.buf, bogs,
+ push_cert.buf + bogs, push_cert.len - bogs,
+ &gpg_output, &gpg_status) < 0) {
+ ; /* error running gpg */
+ } else {
+ sigcheck.payload = push_cert.buf;
+ sigcheck.gpg_output = gpg_output.buf;
+ sigcheck.gpg_status = gpg_status.buf;
+ parse_gpg_output(&sigcheck);
+ }
+
+ strbuf_release(&gpg_output);
+ strbuf_release(&gpg_status);
+ nonce_status = check_nonce(push_cert.buf, bogs);
+ }
+ if (!is_null_sha1(push_cert_sha1)) {
+ argv_array_pushf(&proc->env_array, "GIT_PUSH_CERT=%s",
+ sha1_to_hex(push_cert_sha1));
+ argv_array_pushf(&proc->env_array, "GIT_PUSH_CERT_SIGNER=%s",
+ sigcheck.signer ? sigcheck.signer : "");
+ argv_array_pushf(&proc->env_array, "GIT_PUSH_CERT_KEY=%s",
+ sigcheck.key ? sigcheck.key : "");
+ argv_array_pushf(&proc->env_array, "GIT_PUSH_CERT_STATUS=%c",
+ sigcheck.result);
+ if (push_cert_nonce) {
+ argv_array_pushf(&proc->env_array,
+ "GIT_PUSH_CERT_NONCE=%s",
+ push_cert_nonce);
+ argv_array_pushf(&proc->env_array,
+ "GIT_PUSH_CERT_NONCE_STATUS=%s",
+ nonce_status);
+ if (nonce_status == NONCE_SLOP)
+ argv_array_pushf(&proc->env_array,
+ "GIT_PUSH_CERT_NONCE_SLOP=%ld",
+ nonce_stamp_slop);
+ }
+ }
+}
+
typedef int (*feed_fn)(void *, const char **, size_t *);
static int run_and_feed_hook(const char *hook_name, feed_fn feed, void *feed_state)
{
- struct child_process proc;
+ struct child_process proc = CHILD_PROCESS_INIT;
struct async muxer;
const char *argv[2];
int code;
@@ -266,7 +559,6 @@ static int run_and_feed_hook(const char *hook_name, feed_fn feed, void *feed_sta
argv[1] = NULL;
- memset(&proc, 0, sizeof(proc));
proc.argv = argv;
proc.in = -1;
proc.stdout_to_stderr = 1;
@@ -281,6 +573,8 @@ static int run_and_feed_hook(const char *hook_name, feed_fn feed, void *feed_sta
proc.err = muxer.in;
}
+ prepare_push_cert_sha1(&proc);
+
code = start_command(&proc);
if (code) {
if (use_sideband)
@@ -288,6 +582,8 @@ static int run_and_feed_hook(const char *hook_name, feed_fn feed, void *feed_sta
return code;
}
+ sigchain_push(SIGPIPE, SIG_IGN);
+
while (1) {
const char *buf;
size_t n;
@@ -299,6 +595,9 @@ static int run_and_feed_hook(const char *hook_name, feed_fn feed, void *feed_sta
close(proc.in);
if (use_sideband)
finish_async(&muxer);
+
+ sigchain_pop(SIGPIPE);
+
return finish_command(&proc);
}
@@ -350,7 +649,7 @@ static int run_receive_hook(struct command *commands, const char *hook_name,
static int run_update_hook(struct command *cmd)
{
const char *argv[5];
- struct child_process proc;
+ struct child_process proc = CHILD_PROCESS_INIT;
int code;
argv[0] = find_hook("update");
@@ -362,7 +661,6 @@ static int run_update_hook(struct command *cmd)
argv[3] = sha1_to_hex(cmd->new_sha1);
argv[4] = NULL;
- memset(&proc, 0, sizeof(proc));
proc.no_stdin = 1;
proc.stdout_to_stderr = 1;
proc.err = use_sideband ? -1 : 0;
@@ -438,7 +736,7 @@ static int update_shallow_ref(struct command *cmd, struct shallow_info *si)
uint32_t mask = 1 << (cmd->index % 32);
int i;
- trace_printf_key("GIT_TRACE_SHALLOW",
+ trace_printf_key(&trace_shallow,
"shallow: update_shallow_ref %s\n", cmd->ref_name);
for (i = 0; i < si->shallow->nr; i++)
if (si->used_shallow[i] &&
@@ -468,14 +766,130 @@ static int update_shallow_ref(struct command *cmd, struct shallow_info *si)
return 0;
}
+/*
+ * NEEDSWORK: we should consolidate various implementions of "are we
+ * on an unborn branch?" test into one, and make the unified one more
+ * robust. !get_sha1() based check used here and elsewhere would not
+ * allow us to tell an unborn branch from corrupt ref, for example.
+ * For the purpose of fixing "deploy-to-update does not work when
+ * pushing into an empty repository" issue, this should suffice for
+ * now.
+ */
+static int head_has_history(void)
+{
+ unsigned char sha1[20];
+
+ return !get_sha1("HEAD", sha1);
+}
+
+static const char *push_to_deploy(unsigned char *sha1,
+ struct argv_array *env,
+ const char *work_tree)
+{
+ const char *update_refresh[] = {
+ "update-index", "-q", "--ignore-submodules", "--refresh", NULL
+ };
+ const char *diff_files[] = {
+ "diff-files", "--quiet", "--ignore-submodules", "--", NULL
+ };
+ const char *diff_index[] = {
+ "diff-index", "--quiet", "--cached", "--ignore-submodules",
+ NULL, "--", NULL
+ };
+ const char *read_tree[] = {
+ "read-tree", "-u", "-m", NULL, NULL
+ };
+ struct child_process child = CHILD_PROCESS_INIT;
+
+ child.argv = update_refresh;
+ child.env = env->argv;
+ child.dir = work_tree;
+ child.no_stdin = 1;
+ child.stdout_to_stderr = 1;
+ child.git_cmd = 1;
+ if (run_command(&child))
+ return "Up-to-date check failed";
+
+ /* run_command() does not clean up completely; reinitialize */
+ child_process_init(&child);
+ child.argv = diff_files;
+ child.env = env->argv;
+ child.dir = work_tree;
+ child.no_stdin = 1;
+ child.stdout_to_stderr = 1;
+ child.git_cmd = 1;
+ if (run_command(&child))
+ return "Working directory has unstaged changes";
+
+ /* diff-index with either HEAD or an empty tree */
+ diff_index[4] = head_has_history() ? "HEAD" : EMPTY_TREE_SHA1_HEX;
+
+ child_process_init(&child);
+ child.argv = diff_index;
+ child.env = env->argv;
+ child.no_stdin = 1;
+ child.no_stdout = 1;
+ child.stdout_to_stderr = 0;
+ child.git_cmd = 1;
+ if (run_command(&child))
+ return "Working directory has staged changes";
+
+ read_tree[3] = sha1_to_hex(sha1);
+ child_process_init(&child);
+ child.argv = read_tree;
+ child.env = env->argv;
+ child.dir = work_tree;
+ child.no_stdin = 1;
+ child.no_stdout = 1;
+ child.stdout_to_stderr = 0;
+ child.git_cmd = 1;
+ if (run_command(&child))
+ return "Could not update working tree to new HEAD";
+
+ return NULL;
+}
+
+static const char *push_to_checkout_hook = "push-to-checkout";
+
+static const char *push_to_checkout(unsigned char *sha1,
+ struct argv_array *env,
+ const char *work_tree)
+{
+ argv_array_pushf(env, "GIT_WORK_TREE=%s", absolute_path(work_tree));
+ if (run_hook_le(env->argv, push_to_checkout_hook,
+ sha1_to_hex(sha1), NULL))
+ return "push-to-checkout hook declined";
+ else
+ return NULL;
+}
+
+static const char *update_worktree(unsigned char *sha1)
+{
+ const char *retval;
+ const char *work_tree = git_work_tree_cfg ? git_work_tree_cfg : "..";
+ struct argv_array env = ARGV_ARRAY_INIT;
+
+ if (is_bare_repository())
+ return "denyCurrentBranch = updateInstead needs a worktree";
+
+ argv_array_pushf(&env, "GIT_DIR=%s", absolute_path(get_git_dir()));
+
+ if (!find_hook(push_to_checkout_hook))
+ retval = push_to_deploy(sha1, &env, work_tree);
+ else
+ retval = push_to_checkout(sha1, &env, work_tree);
+
+ argv_array_clear(&env);
+ return retval;
+}
+
static const char *update(struct command *cmd, struct shallow_info *si)
{
const char *name = cmd->ref_name;
struct strbuf namespaced_name_buf = STRBUF_INIT;
- const char *namespaced_name;
+ const char *namespaced_name, *ret;
unsigned char *old_sha1 = cmd->old_sha1;
unsigned char *new_sha1 = cmd->new_sha1;
- struct ref_lock *lock;
/* only refs/... are allowed */
if (!starts_with(name, "refs/") || check_refname_format(name + 5, 0)) {
@@ -499,6 +913,11 @@ static const char *update(struct command *cmd, struct shallow_info *si)
if (deny_current_branch == DENY_UNCONFIGURED)
refuse_unconfigured_deny();
return "branch is currently checked out";
+ case DENY_UPDATE_INSTEAD:
+ ret = update_worktree(new_sha1);
+ if (ret)
+ return ret;
+ break;
}
}
@@ -514,7 +933,7 @@ static const char *update(struct command *cmd, struct shallow_info *si)
return "deletion prohibited";
}
- if (!strcmp(namespaced_name, head_name)) {
+ if (head_name && !strcmp(namespaced_name, head_name)) {
switch (deny_delete_current) {
case DENY_IGNORE:
break;
@@ -523,10 +942,13 @@ static const char *update(struct command *cmd, struct shallow_info *si)
break;
case DENY_REFUSE:
case DENY_UNCONFIGURED:
+ case DENY_UPDATE_INSTEAD:
if (deny_delete_current == DENY_UNCONFIGURED)
refuse_unconfigured_deny_delete_current();
rp_error("refusing to delete the current branch: %s", name);
return "deletion of the current branch prohibited";
+ default:
+ return "Invalid denyDeleteCurrent setting";
}
}
}
@@ -560,6 +982,7 @@ static const char *update(struct command *cmd, struct shallow_info *si)
}
if (is_null_sha1(new_sha1)) {
+ struct strbuf err = STRBUF_INIT;
if (!parse_object(old_sha1)) {
old_sha1 = NULL;
if (ref_exists(name)) {
@@ -569,26 +992,35 @@ static const char *update(struct command *cmd, struct shallow_info *si)
cmd->did_not_exist = 1;
}
}
- if (delete_ref(namespaced_name, old_sha1, 0)) {
- rp_error("failed to delete %s", name);
+ if (ref_transaction_delete(transaction,
+ namespaced_name,
+ old_sha1,
+ 0, "push", &err)) {
+ rp_error("%s", err.buf);
+ strbuf_release(&err);
return "failed to delete";
}
+ strbuf_release(&err);
return NULL; /* good */
}
else {
+ struct strbuf err = STRBUF_INIT;
if (shallow_update && si->shallow_ref[cmd->index] &&
update_shallow_ref(cmd, si))
return "shallow error";
- lock = lock_any_ref_for_update(namespaced_name, old_sha1,
- 0, NULL);
- if (!lock) {
- rp_error("failed to lock %s", name);
- return "failed to lock";
- }
- if (write_ref_sha1(lock, new_sha1, "push")) {
- return "failed to write"; /* error() already called */
+ if (ref_transaction_update(transaction,
+ namespaced_name,
+ new_sha1, old_sha1,
+ 0, "push",
+ &err)) {
+ rp_error("%s", err.buf);
+ strbuf_release(&err);
+
+ return "failed to update ref";
}
+ strbuf_release(&err);
+
return NULL; /* good */
}
}
@@ -598,8 +1030,8 @@ static void run_update_post_hook(struct command *commands)
struct command *cmd;
int argc;
const char **argv;
- struct child_process proc;
- char *hook;
+ struct child_process proc = CHILD_PROCESS_INIT;
+ const char *hook;
hook = find_hook("post-update");
for (argc = 0, cmd = commands; cmd; cmd = cmd->next) {
@@ -614,17 +1046,13 @@ static void run_update_post_hook(struct command *commands)
argv[0] = hook;
for (argc = 1, cmd = commands; cmd; cmd = cmd->next) {
- char *p;
if (cmd->error_string || cmd->did_not_exist)
continue;
- p = xmalloc(strlen(cmd->ref_name) + 1);
- strcpy(p, cmd->ref_name);
- argv[argc] = p;
+ argv[argc] = xstrdup(cmd->ref_name);
argc++;
}
argv[argc] = NULL;
- memset(&proc, 0, sizeof(proc));
proc.no_stdin = 1;
proc.stdout_to_stderr = 1;
proc.err = use_sideband ? -1 : 0;
@@ -648,7 +1076,7 @@ static void check_aliased_update(struct command *cmd, struct string_list *list)
int flag;
strbuf_addf(&buf, "%s%s", get_git_namespace(), cmd->ref_name);
- dst_name = resolve_ref_unsafe(buf.buf, sha1, 0, &flag);
+ dst_name = resolve_ref_unsafe(buf.buf, 0, sha1, &flag);
strbuf_release(&buf);
if (!(flag & REF_ISSYMREF))
@@ -698,7 +1126,7 @@ static void check_aliased_updates(struct command *commands)
string_list_append(&ref_list, cmd->ref_name);
item->util = (void *)cmd;
}
- sort_string_list(&ref_list);
+ string_list_sort(&ref_list);
for (cmd = commands; cmd; cmd = cmd->next) {
if (!cmd->error_string)
@@ -776,11 +1204,105 @@ static void reject_updates_to_hidden(struct command *commands)
}
}
+static int should_process_cmd(struct command *cmd)
+{
+ return !cmd->error_string && !cmd->skip_update;
+}
+
+static void warn_if_skipped_connectivity_check(struct command *commands,
+ struct shallow_info *si)
+{
+ struct command *cmd;
+ int checked_connectivity = 1;
+
+ for (cmd = commands; cmd; cmd = cmd->next) {
+ if (should_process_cmd(cmd) && si->shallow_ref[cmd->index]) {
+ error("BUG: connectivity check has not been run on ref %s",
+ cmd->ref_name);
+ checked_connectivity = 0;
+ }
+ }
+ if (!checked_connectivity)
+ die("BUG: connectivity check skipped???");
+}
+
+static void execute_commands_non_atomic(struct command *commands,
+ struct shallow_info *si)
+{
+ struct command *cmd;
+ struct strbuf err = STRBUF_INIT;
+
+ for (cmd = commands; cmd; cmd = cmd->next) {
+ if (!should_process_cmd(cmd))
+ continue;
+
+ transaction = ref_transaction_begin(&err);
+ if (!transaction) {
+ rp_error("%s", err.buf);
+ strbuf_reset(&err);
+ cmd->error_string = "transaction failed to start";
+ continue;
+ }
+
+ cmd->error_string = update(cmd, si);
+
+ if (!cmd->error_string
+ && ref_transaction_commit(transaction, &err)) {
+ rp_error("%s", err.buf);
+ strbuf_reset(&err);
+ cmd->error_string = "failed to update ref";
+ }
+ ref_transaction_free(transaction);
+ }
+ strbuf_release(&err);
+}
+
+static void execute_commands_atomic(struct command *commands,
+ struct shallow_info *si)
+{
+ struct command *cmd;
+ struct strbuf err = STRBUF_INIT;
+ const char *reported_error = "atomic push failure";
+
+ transaction = ref_transaction_begin(&err);
+ if (!transaction) {
+ rp_error("%s", err.buf);
+ strbuf_reset(&err);
+ reported_error = "transaction failed to start";
+ goto failure;
+ }
+
+ for (cmd = commands; cmd; cmd = cmd->next) {
+ if (!should_process_cmd(cmd))
+ continue;
+
+ cmd->error_string = update(cmd, si);
+
+ if (cmd->error_string)
+ goto failure;
+ }
+
+ if (ref_transaction_commit(transaction, &err)) {
+ rp_error("%s", err.buf);
+ reported_error = "atomic transaction failed";
+ goto failure;
+ }
+ goto cleanup;
+
+failure:
+ for (cmd = commands; cmd; cmd = cmd->next)
+ if (!cmd->error_string)
+ cmd->error_string = reported_error;
+
+cleanup:
+ ref_transaction_free(transaction);
+ strbuf_release(&err);
+}
+
static void execute_commands(struct command *commands,
const char *unpacker_error,
struct shallow_info *si)
{
- int checked_connectivity;
struct command *cmd;
unsigned char sha1[20];
struct iterate_data data;
@@ -809,29 +1331,64 @@ static void execute_commands(struct command *commands,
check_aliased_updates(commands);
free(head_name_to_free);
- head_name = head_name_to_free = resolve_refdup("HEAD", sha1, 0, NULL);
+ head_name = head_name_to_free = resolve_refdup("HEAD", 0, sha1, NULL);
- checked_connectivity = 1;
- for (cmd = commands; cmd; cmd = cmd->next) {
- if (cmd->error_string)
- continue;
+ if (use_atomic)
+ execute_commands_atomic(commands, si);
+ else
+ execute_commands_non_atomic(commands, si);
- if (cmd->skip_update)
- continue;
+ if (shallow_update)
+ warn_if_skipped_connectivity_check(commands, si);
+}
- cmd->error_string = update(cmd, si);
- if (shallow_update && !cmd->error_string &&
- si->shallow_ref[cmd->index]) {
- error("BUG: connectivity check has not been run on ref %s",
- cmd->ref_name);
- checked_connectivity = 0;
- }
- }
+static struct command **queue_command(struct command **tail,
+ const char *line,
+ int linelen)
+{
+ unsigned char old_sha1[20], new_sha1[20];
+ struct command *cmd;
+ const char *refname;
+ int reflen;
+
+ if (linelen < 83 ||
+ line[40] != ' ' ||
+ line[81] != ' ' ||
+ get_sha1_hex(line, old_sha1) ||
+ get_sha1_hex(line + 41, new_sha1))
+ die("protocol error: expected old/new/ref, got '%s'", line);
+
+ refname = line + 82;
+ reflen = linelen - 82;
+ cmd = xcalloc(1, sizeof(struct command) + reflen + 1);
+ hashcpy(cmd->old_sha1, old_sha1);
+ hashcpy(cmd->new_sha1, new_sha1);
+ memcpy(cmd->ref_name, refname, reflen);
+ cmd->ref_name[reflen] = '\0';
+ *tail = cmd;
+ return &cmd->next;
+}
+
+static void queue_commands_from_cert(struct command **tail,
+ struct strbuf *push_cert)
+{
+ const char *boc, *eoc;
+
+ if (*tail)
+ die("protocol error: got both push certificate and unsigned commands");
- if (shallow_update && !checked_connectivity)
- error("BUG: run 'git fsck' for safety.\n"
- "If there are errors, try to remove "
- "the reported refs above");
+ boc = strstr(push_cert->buf, "\n\n");
+ if (!boc)
+ die("malformed push certificate %.*s", 100, push_cert->buf);
+ else
+ boc += 2;
+ eoc = push_cert->buf + parse_signature(push_cert->buf, push_cert->len);
+
+ while (boc < eoc) {
+ const char *eol = memchr(boc, '\n', eoc - boc);
+ tail = queue_command(tail, boc, eol ? eol - boc : eoc - eol);
+ boc = eol ? eol + 1 : eoc;
+ }
}
static struct command *read_head_info(struct sha1_array *shallow)
@@ -840,48 +1397,62 @@ static struct command *read_head_info(struct sha1_array *shallow)
struct command **p = &commands;
for (;;) {
char *line;
- unsigned char old_sha1[20], new_sha1[20];
- struct command *cmd;
- char *refname;
- int len, reflen;
+ int len, linelen;
line = packet_read_line(0, &len);
if (!line)
break;
if (len == 48 && starts_with(line, "shallow ")) {
- if (get_sha1_hex(line + 8, old_sha1))
- die("protocol error: expected shallow sha, got '%s'", line + 8);
- sha1_array_append(shallow, old_sha1);
+ unsigned char sha1[20];
+ if (get_sha1_hex(line + 8, sha1))
+ die("protocol error: expected shallow sha, got '%s'",
+ line + 8);
+ sha1_array_append(shallow, sha1);
continue;
}
- if (len < 83 ||
- line[40] != ' ' ||
- line[81] != ' ' ||
- get_sha1_hex(line, old_sha1) ||
- get_sha1_hex(line + 41, new_sha1))
- die("protocol error: expected old/new/ref, got '%s'",
- line);
-
- refname = line + 82;
- reflen = strlen(refname);
- if (reflen + 82 < len) {
- const char *feature_list = refname + reflen + 1;
+ linelen = strlen(line);
+ if (linelen < len) {
+ const char *feature_list = line + linelen + 1;
if (parse_feature_request(feature_list, "report-status"))
report_status = 1;
if (parse_feature_request(feature_list, "side-band-64k"))
use_sideband = LARGE_PACKET_MAX;
if (parse_feature_request(feature_list, "quiet"))
quiet = 1;
+ if (advertise_atomic_push
+ && parse_feature_request(feature_list, "atomic"))
+ use_atomic = 1;
}
- cmd = xcalloc(1, sizeof(struct command) + len - 80);
- hashcpy(cmd->old_sha1, old_sha1);
- hashcpy(cmd->new_sha1, new_sha1);
- memcpy(cmd->ref_name, line + 82, len - 81);
- *p = cmd;
- p = &cmd->next;
+
+ if (!strcmp(line, "push-cert")) {
+ int true_flush = 0;
+ char certbuf[1024];
+
+ for (;;) {
+ len = packet_read(0, NULL, NULL,
+ certbuf, sizeof(certbuf), 0);
+ if (!len) {
+ true_flush = 1;
+ break;
+ }
+ if (!strcmp(certbuf, "push-cert-end\n"))
+ break; /* end of cert */
+ strbuf_addstr(&push_cert, certbuf);
+ }
+
+ if (true_flush)
+ break;
+ continue;
+ }
+
+ p = queue_command(p, line, linelen);
}
+
+ if (push_cert.len)
+ queue_commands_from_cert(p, &push_cert);
+
return commands;
}
@@ -910,11 +1481,10 @@ static const char *pack_lockfile;
static const char *unpack(int err_fd, struct shallow_info *si)
{
struct pack_header hdr;
- struct argv_array av = ARGV_ARRAY_INIT;
const char *hdr_err;
int status;
char hdr_arg[38];
- struct child_process child;
+ struct child_process child = CHILD_PROCESS_INIT;
int fsck_objects = (receive_fsck_objects >= 0
? receive_fsck_objects
: transfer_fsck_objects >= 0
@@ -933,17 +1503,17 @@ static const char *unpack(int err_fd, struct shallow_info *si)
if (si->nr_ours || si->nr_theirs) {
alt_shallow_file = setup_temporary_shallow(si->shallow);
- argv_array_pushl(&av, "--shallow-file", alt_shallow_file, NULL);
+ argv_array_push(&child.args, "--shallow-file");
+ argv_array_push(&child.args, alt_shallow_file);
}
- memset(&child, 0, sizeof(child));
if (ntohl(hdr.hdr_entries) < unpack_limit) {
- argv_array_pushl(&av, "unpack-objects", hdr_arg, NULL);
+ argv_array_pushl(&child.args, "unpack-objects", hdr_arg, NULL);
if (quiet)
- argv_array_push(&av, "-q");
+ argv_array_push(&child.args, "-q");
if (fsck_objects)
- argv_array_push(&av, "--strict");
- child.argv = av.argv;
+ argv_array_pushf(&child.args, "--strict%s",
+ fsck_msg_types.buf);
child.no_stdout = 1;
child.err = err_fd;
child.git_cmd = 1;
@@ -958,13 +1528,13 @@ static const char *unpack(int err_fd, struct shallow_info *si)
if (gethostname(keep_arg + s, sizeof(keep_arg) - s))
strcpy(keep_arg + s, "localhost");
- argv_array_pushl(&av, "index-pack",
+ argv_array_pushl(&child.args, "index-pack",
"--stdin", hdr_arg, keep_arg, NULL);
if (fsck_objects)
- argv_array_push(&av, "--strict");
+ argv_array_pushf(&child.args, "--strict%s",
+ fsck_msg_types.buf);
if (fix_thin)
- argv_array_push(&av, "--fix-thin");
- child.argv = av.argv;
+ argv_array_push(&child.args, "--fix-thin");
child.out = -1;
child.err = err_fd;
child.git_cmd = 1;
@@ -1123,9 +1693,7 @@ static int delete_only(struct command *commands)
int cmd_receive_pack(int argc, const char **argv, const char *prefix)
{
int advertise_refs = 0;
- int stateless_rpc = 0;
int i;
- char *dir = NULL;
struct command *commands;
struct sha1_array shallow = SHA1_ARRAY_INIT;
struct sha1_array ref = SHA1_ARRAY_INIT;
@@ -1158,19 +1726,21 @@ int cmd_receive_pack(int argc, const char **argv, const char *prefix)
usage(receive_pack_usage);
}
- if (dir)
+ if (service_dir)
usage(receive_pack_usage);
- dir = xstrdup(arg);
+ service_dir = arg;
}
- if (!dir)
+ if (!service_dir)
usage(receive_pack_usage);
setup_path();
- if (!enter_repo(dir, 0))
- die("'%s' does not appear to be a git repository", dir);
+ if (!enter_repo(service_dir, 0))
+ die("'%s' does not appear to be a git repository", service_dir);
git_config(receive_pack_config, NULL);
+ if (cert_nonce_seed)
+ push_cert_nonce = prepare_push_cert_nonce(service_dir, time(NULL));
if (0 <= transfer_unpack_limit)
unpack_limit = transfer_unpack_limit;
@@ -1215,5 +1785,6 @@ int cmd_receive_pack(int argc, const char **argv, const char *prefix)
packet_flush(1);
sha1_array_clear(&shallow);
sha1_array_clear(&ref);
+ free((void *)push_cert_nonce);
return 0;
}
diff --git a/builtin/reflog.c b/builtin/reflog.c
index c12a9784..f96ca2a 100644
--- a/builtin/reflog.c
+++ b/builtin/reflog.c
@@ -1,5 +1,5 @@
-#include "cache.h"
#include "builtin.h"
+#include "lockfile.h"
#include "commit.h"
#include "refs.h"
#include "dir.h"
@@ -8,32 +8,26 @@
#include "revision.h"
#include "reachable.h"
-/*
- * reflog expire
- */
-
+/* NEEDSWORK: switch to using parse_options */
static const char reflog_expire_usage[] =
-"git reflog expire [--verbose] [--dry-run] [--stale-fix] [--expire=<time>] [--expire-unreachable=<time>] [--all] <refs>...";
+"git reflog expire [--expire=<time>] [--expire-unreachable=<time>] [--rewrite] [--updateref] [--stale-fix] [--dry-run | -n] [--verbose] [--all] <refs>...";
static const char reflog_delete_usage[] =
-"git reflog delete [--verbose] [--dry-run] [--rewrite] [--updateref] <refs>...";
+"git reflog delete [--rewrite] [--updateref] [--dry-run | -n] [--verbose] <refs>...";
+static const char reflog_exists_usage[] =
+"git reflog exists <ref>";
static unsigned long default_reflog_expire;
static unsigned long default_reflog_expire_unreachable;
struct cmd_reflog_expire_cb {
struct rev_info revs;
- int dry_run;
int stalefix;
- int rewrite;
- int updateref;
- int verbose;
unsigned long expire_total;
unsigned long expire_unreachable;
int recno;
};
-struct expire_reflog_cb {
- FILE *newlog;
+struct expire_reflog_policy_cb {
enum {
UE_NORMAL,
UE_ALWAYS,
@@ -41,14 +35,16 @@ struct expire_reflog_cb {
} unreachable_expire_kind;
struct commit_list *mark_list;
unsigned long mark_limit;
- struct cmd_reflog_expire_cb *cmd;
- unsigned char last_kept_sha1[20];
+ struct cmd_reflog_expire_cb cmd;
+ struct commit *tip_commit;
+ struct commit_list *tips;
};
struct collected_reflog {
unsigned char sha1[20];
char reflog[FLEX_ARRAY];
};
+
struct collect_reflog_cb {
struct collected_reflog **e;
int alloc;
@@ -220,7 +216,7 @@ static int keep_entry(struct commit **it, unsigned char *sha1)
* the expire_limit and queue them back, so that the caller can call
* us again to restart the traversal with longer expire_limit.
*/
-static void mark_reachable(struct expire_reflog_cb *cb)
+static void mark_reachable(struct expire_reflog_policy_cb *cb)
{
struct commit *commit;
struct commit_list *pending;
@@ -259,7 +255,7 @@ static void mark_reachable(struct expire_reflog_cb *cb)
cb->mark_list = leftover;
}
-static int unreachable(struct expire_reflog_cb *cb, struct commit *commit, unsigned char *sha1)
+static int unreachable(struct expire_reflog_policy_cb *cb, struct commit *commit, unsigned char *sha1)
{
/*
* We may or may not have the commit yet - if not, look it
@@ -288,175 +284,112 @@ static int unreachable(struct expire_reflog_cb *cb, struct commit *commit, unsig
return !(commit->object.flags & REACHABLE);
}
-static int expire_reflog_ent(unsigned char *osha1, unsigned char *nsha1,
- const char *email, unsigned long timestamp, int tz,
- const char *message, void *cb_data)
+/*
+ * Return true iff the specified reflog entry should be expired.
+ */
+static int should_expire_reflog_ent(unsigned char *osha1, unsigned char *nsha1,
+ const char *email, unsigned long timestamp, int tz,
+ const char *message, void *cb_data)
{
- struct expire_reflog_cb *cb = cb_data;
+ struct expire_reflog_policy_cb *cb = cb_data;
struct commit *old, *new;
- if (timestamp < cb->cmd->expire_total)
- goto prune;
-
- if (cb->cmd->rewrite)
- osha1 = cb->last_kept_sha1;
+ if (timestamp < cb->cmd.expire_total)
+ return 1;
old = new = NULL;
- if (cb->cmd->stalefix &&
+ if (cb->cmd.stalefix &&
(!keep_entry(&old, osha1) || !keep_entry(&new, nsha1)))
- goto prune;
+ return 1;
- if (timestamp < cb->cmd->expire_unreachable) {
+ if (timestamp < cb->cmd.expire_unreachable) {
if (cb->unreachable_expire_kind == UE_ALWAYS)
- goto prune;
+ return 1;
if (unreachable(cb, old, osha1) || unreachable(cb, new, nsha1))
- goto prune;
+ return 1;
}
- if (cb->cmd->recno && --(cb->cmd->recno) == 0)
- goto prune;
-
- if (cb->newlog) {
- char sign = (tz < 0) ? '-' : '+';
- int zone = (tz < 0) ? (-tz) : tz;
- fprintf(cb->newlog, "%s %s %s %lu %c%04d\t%s",
- sha1_to_hex(osha1), sha1_to_hex(nsha1),
- email, timestamp, sign, zone,
- message);
- hashcpy(cb->last_kept_sha1, nsha1);
- }
- if (cb->cmd->verbose)
- printf("keep %s", message);
- return 0;
- prune:
- if (!cb->newlog)
- printf("would prune %s", message);
- else if (cb->cmd->verbose)
- printf("prune %s", message);
+ if (cb->cmd.recno && --(cb->cmd.recno) == 0)
+ return 1;
+
return 0;
}
-static int push_tip_to_list(const char *refname, const unsigned char *sha1, int flags, void *cb_data)
+static int push_tip_to_list(const char *refname, const struct object_id *oid,
+ int flags, void *cb_data)
{
struct commit_list **list = cb_data;
struct commit *tip_commit;
if (flags & REF_ISSYMREF)
return 0;
- tip_commit = lookup_commit_reference_gently(sha1, 1);
+ tip_commit = lookup_commit_reference_gently(oid->hash, 1);
if (!tip_commit)
return 0;
commit_list_insert(tip_commit, list);
return 0;
}
-static int expire_reflog(const char *ref, const unsigned char *sha1, int unused, void *cb_data)
+static void reflog_expiry_prepare(const char *refname,
+ const unsigned char *sha1,
+ void *cb_data)
{
- struct cmd_reflog_expire_cb *cmd = cb_data;
- struct expire_reflog_cb cb;
- struct ref_lock *lock;
- char *log_file, *newlog_path = NULL;
- struct commit *tip_commit;
- struct commit_list *tips;
- int status = 0;
-
- memset(&cb, 0, sizeof(cb));
-
- /*
- * we take the lock for the ref itself to prevent it from
- * getting updated.
- */
- lock = lock_any_ref_for_update(ref, sha1, 0, NULL);
- if (!lock)
- return error("cannot lock ref '%s'", ref);
- log_file = git_pathdup("logs/%s", ref);
- if (!file_exists(log_file))
- goto finish;
- if (!cmd->dry_run) {
- newlog_path = git_pathdup("logs/%s.lock", ref);
- cb.newlog = fopen(newlog_path, "w");
- }
-
- cb.cmd = cmd;
+ struct expire_reflog_policy_cb *cb = cb_data;
- if (!cmd->expire_unreachable || !strcmp(ref, "HEAD")) {
- tip_commit = NULL;
- cb.unreachable_expire_kind = UE_HEAD;
+ if (!cb->cmd.expire_unreachable || !strcmp(refname, "HEAD")) {
+ cb->tip_commit = NULL;
+ cb->unreachable_expire_kind = UE_HEAD;
} else {
- tip_commit = lookup_commit_reference_gently(sha1, 1);
- if (!tip_commit)
- cb.unreachable_expire_kind = UE_ALWAYS;
+ cb->tip_commit = lookup_commit_reference_gently(sha1, 1);
+ if (!cb->tip_commit)
+ cb->unreachable_expire_kind = UE_ALWAYS;
else
- cb.unreachable_expire_kind = UE_NORMAL;
+ cb->unreachable_expire_kind = UE_NORMAL;
}
- if (cmd->expire_unreachable <= cmd->expire_total)
- cb.unreachable_expire_kind = UE_ALWAYS;
+ if (cb->cmd.expire_unreachable <= cb->cmd.expire_total)
+ cb->unreachable_expire_kind = UE_ALWAYS;
- cb.mark_list = NULL;
- tips = NULL;
- if (cb.unreachable_expire_kind != UE_ALWAYS) {
- if (cb.unreachable_expire_kind == UE_HEAD) {
+ cb->mark_list = NULL;
+ cb->tips = NULL;
+ if (cb->unreachable_expire_kind != UE_ALWAYS) {
+ if (cb->unreachable_expire_kind == UE_HEAD) {
struct commit_list *elem;
- for_each_ref(push_tip_to_list, &tips);
- for (elem = tips; elem; elem = elem->next)
- commit_list_insert(elem->item, &cb.mark_list);
+
+ for_each_ref(push_tip_to_list, &cb->tips);
+ for (elem = cb->tips; elem; elem = elem->next)
+ commit_list_insert(elem->item, &cb->mark_list);
} else {
- commit_list_insert(tip_commit, &cb.mark_list);
+ commit_list_insert(cb->tip_commit, &cb->mark_list);
}
- cb.mark_limit = cmd->expire_total;
- mark_reachable(&cb);
+ cb->mark_limit = cb->cmd.expire_total;
+ mark_reachable(cb);
}
+}
- for_each_reflog_ent(ref, expire_reflog_ent, &cb);
+static void reflog_expiry_cleanup(void *cb_data)
+{
+ struct expire_reflog_policy_cb *cb = cb_data;
- if (cb.unreachable_expire_kind != UE_ALWAYS) {
- if (cb.unreachable_expire_kind == UE_HEAD) {
+ if (cb->unreachable_expire_kind != UE_ALWAYS) {
+ if (cb->unreachable_expire_kind == UE_HEAD) {
struct commit_list *elem;
- for (elem = tips; elem; elem = elem->next)
+ for (elem = cb->tips; elem; elem = elem->next)
clear_commit_marks(elem->item, REACHABLE);
- free_commit_list(tips);
- } else {
- clear_commit_marks(tip_commit, REACHABLE);
- }
- }
- finish:
- if (cb.newlog) {
- if (fclose(cb.newlog)) {
- status |= error("%s: %s", strerror(errno),
- newlog_path);
- unlink(newlog_path);
- } else if (cmd->updateref &&
- (write_in_full(lock->lock_fd,
- sha1_to_hex(cb.last_kept_sha1), 40) != 40 ||
- write_str_in_full(lock->lock_fd, "\n") != 1 ||
- close_ref(lock) < 0)) {
- status |= error("Couldn't write %s",
- lock->lk->filename);
- unlink(newlog_path);
- } else if (rename(newlog_path, log_file)) {
- status |= error("cannot rename %s to %s",
- newlog_path, log_file);
- unlink(newlog_path);
- } else if (cmd->updateref && commit_ref(lock)) {
- status |= error("Couldn't set %s", lock->ref_name);
+ free_commit_list(cb->tips);
} else {
- adjust_shared_perm(log_file);
+ clear_commit_marks(cb->tip_commit, REACHABLE);
}
}
- free(newlog_path);
- free(log_file);
- unlock_ref(lock);
- return status;
}
-static int collect_reflog(const char *ref, const unsigned char *sha1, int unused, void *cb_data)
+static int collect_reflog(const char *ref, const struct object_id *oid, int unused, void *cb_data)
{
struct collected_reflog *e;
struct collect_reflog_cb *cb = cb_data;
size_t namelen = strlen(ref);
e = xmalloc(sizeof(*e) + namelen + 1);
- hashcpy(e->sha1, sha1);
+ hashcpy(e->sha1, oid->hash);
memcpy(e->reflog, ref, namelen + 1);
ALLOC_GROW(cb->e, cb->nr + 1, cb->alloc);
cb->e[cb->nr++] = e;
@@ -496,7 +429,7 @@ static int parse_expire_cfg_value(const char *var, const char *value, unsigned l
if (!value)
return config_error_nonbool(var);
if (parse_expiry_date(value, expire))
- return error(_("%s' for '%s' is not a valid timestamp"),
+ return error(_("'%s' for '%s' is not a valid timestamp"),
value, var);
return 0;
}
@@ -590,10 +523,11 @@ static void set_reflog_expiry_param(struct cmd_reflog_expire_cb *cb, int slot, c
static int cmd_reflog_expire(int argc, const char **argv, const char *prefix)
{
- struct cmd_reflog_expire_cb cb;
+ struct expire_reflog_policy_cb cb;
unsigned long now = time(NULL);
int i, status, do_all;
int explicit_expiry = 0;
+ unsigned int flags = 0;
default_reflog_expire_unreachable = now - 30 * 24 * 3600;
default_reflog_expire = now - 90 * 24 * 3600;
@@ -603,33 +537,33 @@ static int cmd_reflog_expire(int argc, const char **argv, const char *prefix)
do_all = status = 0;
memset(&cb, 0, sizeof(cb));
- cb.expire_total = default_reflog_expire;
- cb.expire_unreachable = default_reflog_expire_unreachable;
+ cb.cmd.expire_total = default_reflog_expire;
+ cb.cmd.expire_unreachable = default_reflog_expire_unreachable;
for (i = 1; i < argc; i++) {
const char *arg = argv[i];
if (!strcmp(arg, "--dry-run") || !strcmp(arg, "-n"))
- cb.dry_run = 1;
+ flags |= EXPIRE_REFLOGS_DRY_RUN;
else if (starts_with(arg, "--expire=")) {
- if (parse_expiry_date(arg + 9, &cb.expire_total))
+ if (parse_expiry_date(arg + 9, &cb.cmd.expire_total))
die(_("'%s' is not a valid timestamp"), arg);
explicit_expiry |= EXPIRE_TOTAL;
}
else if (starts_with(arg, "--expire-unreachable=")) {
- if (parse_expiry_date(arg + 21, &cb.expire_unreachable))
+ if (parse_expiry_date(arg + 21, &cb.cmd.expire_unreachable))
die(_("'%s' is not a valid timestamp"), arg);
explicit_expiry |= EXPIRE_UNREACH;
}
else if (!strcmp(arg, "--stale-fix"))
- cb.stalefix = 1;
+ cb.cmd.stalefix = 1;
else if (!strcmp(arg, "--rewrite"))
- cb.rewrite = 1;
+ flags |= EXPIRE_REFLOGS_REWRITE;
else if (!strcmp(arg, "--updateref"))
- cb.updateref = 1;
+ flags |= EXPIRE_REFLOGS_UPDATE_REF;
else if (!strcmp(arg, "--all"))
do_all = 1;
else if (!strcmp(arg, "--verbose"))
- cb.verbose = 1;
+ flags |= EXPIRE_REFLOGS_VERBOSE;
else if (!strcmp(arg, "--")) {
i++;
break;
@@ -645,12 +579,12 @@ static int cmd_reflog_expire(int argc, const char **argv, const char *prefix)
* even in older repository. We cannot trust what's reachable
* from reflog if the repository was pruned with older git.
*/
- if (cb.stalefix) {
- init_revisions(&cb.revs, prefix);
- if (cb.verbose)
+ if (cb.cmd.stalefix) {
+ init_revisions(&cb.cmd.revs, prefix);
+ if (flags & EXPIRE_REFLOGS_VERBOSE)
printf("Marking reachable objects...");
- mark_reachable_objects(&cb.revs, 0, NULL);
- if (cb.verbose)
+ mark_reachable_objects(&cb.cmd.revs, 0, 0, NULL);
+ if (flags & EXPIRE_REFLOGS_VERBOSE)
putchar('\n');
}
@@ -662,8 +596,12 @@ static int cmd_reflog_expire(int argc, const char **argv, const char *prefix)
for_each_reflog(collect_reflog, &collected);
for (i = 0; i < collected.nr; i++) {
struct collected_reflog *e = collected.e[i];
- set_reflog_expiry_param(&cb, explicit_expiry, e->reflog);
- status |= expire_reflog(e->reflog, e->sha1, 0, &cb);
+ set_reflog_expiry_param(&cb.cmd, explicit_expiry, e->reflog);
+ status |= reflog_expire(e->reflog, e->sha1, flags,
+ reflog_expiry_prepare,
+ should_expire_reflog_ent,
+ reflog_expiry_cleanup,
+ &cb);
free(e);
}
free(collected.e);
@@ -676,8 +614,12 @@ static int cmd_reflog_expire(int argc, const char **argv, const char *prefix)
status |= error("%s points nowhere!", argv[i]);
continue;
}
- set_reflog_expiry_param(&cb, explicit_expiry, ref);
- status |= expire_reflog(ref, sha1, 0, &cb);
+ set_reflog_expiry_param(&cb.cmd, explicit_expiry, ref);
+ status |= reflog_expire(ref, sha1, flags,
+ reflog_expiry_prepare,
+ should_expire_reflog_ent,
+ reflog_expiry_cleanup,
+ &cb);
}
return status;
}
@@ -686,29 +628,30 @@ static int count_reflog_ent(unsigned char *osha1, unsigned char *nsha1,
const char *email, unsigned long timestamp, int tz,
const char *message, void *cb_data)
{
- struct cmd_reflog_expire_cb *cb = cb_data;
- if (!cb->expire_total || timestamp < cb->expire_total)
- cb->recno++;
+ struct expire_reflog_policy_cb *cb = cb_data;
+ if (!cb->cmd.expire_total || timestamp < cb->cmd.expire_total)
+ cb->cmd.recno++;
return 0;
}
static int cmd_reflog_delete(int argc, const char **argv, const char *prefix)
{
- struct cmd_reflog_expire_cb cb;
+ struct expire_reflog_policy_cb cb;
int i, status = 0;
+ unsigned int flags = 0;
memset(&cb, 0, sizeof(cb));
for (i = 1; i < argc; i++) {
const char *arg = argv[i];
if (!strcmp(arg, "--dry-run") || !strcmp(arg, "-n"))
- cb.dry_run = 1;
+ flags |= EXPIRE_REFLOGS_DRY_RUN;
else if (!strcmp(arg, "--rewrite"))
- cb.rewrite = 1;
+ flags |= EXPIRE_REFLOGS_REWRITE;
else if (!strcmp(arg, "--updateref"))
- cb.updateref = 1;
+ flags |= EXPIRE_REFLOGS_UPDATE_REF;
else if (!strcmp(arg, "--verbose"))
- cb.verbose = 1;
+ flags |= EXPIRE_REFLOGS_VERBOSE;
else if (!strcmp(arg, "--")) {
i++;
break;
@@ -740,26 +683,56 @@ static int cmd_reflog_delete(int argc, const char **argv, const char *prefix)
recno = strtoul(spec + 2, &ep, 10);
if (*ep == '}') {
- cb.recno = -recno;
+ cb.cmd.recno = -recno;
for_each_reflog_ent(ref, count_reflog_ent, &cb);
} else {
- cb.expire_total = approxidate(spec + 2);
+ cb.cmd.expire_total = approxidate(spec + 2);