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-rw-r--r--builtin/add.c14
-rw-r--r--builtin/apply.c228
-rw-r--r--builtin/blame.c937
-rw-r--r--builtin/branch.c132
-rw-r--r--builtin/cat-file.c15
-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.c24
-rw-r--r--builtin/checkout.c80
-rw-r--r--builtin/clean.c14
-rw-r--r--builtin/clone.c91
-rw-r--r--builtin/column.c2
-rw-r--r--builtin/commit-tree.c4
-rw-r--r--builtin/commit.c412
-rw-r--r--builtin/config.c90
-rw-r--r--builtin/count-objects.c101
-rw-r--r--builtin/describe.c18
-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.c349
-rw-r--r--builtin/fetch-pack.c2
-rw-r--r--builtin/fetch.c88
-rw-r--r--builtin/fmt-merge-msg.c24
-rw-r--r--builtin/for-each-ref.c61
-rw-r--r--builtin/fsck.c17
-rw-r--r--builtin/gc.c55
-rw-r--r--builtin/get-tar-commit-id.c5
-rw-r--r--builtin/grep.c14
-rw-r--r--builtin/hash-object.c103
-rw-r--r--builtin/help.c15
-rw-r--r--builtin/index-pack.c76
-rw-r--r--builtin/init-db.c54
-rw-r--r--builtin/interpret-trailers.c44
-rw-r--r--builtin/log.c74
-rw-r--r--builtin/ls-files.c4
-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.c4
-rw-r--r--builtin/merge-index.c2
-rw-r--r--builtin/merge-tree.c18
-rw-r--r--builtin/merge.c85
-rw-r--r--builtin/mv.c183
-rw-r--r--builtin/name-rev.c11
-rw-r--r--builtin/notes.c287
-rw-r--r--builtin/pack-objects.c106
-rw-r--r--builtin/pack-redundant.c2
-rw-r--r--builtin/pack-refs.c2
-rw-r--r--builtin/patch-id.c74
-rw-r--r--builtin/prune-packed.c70
-rw-r--r--builtin/prune.c89
-rw-r--r--builtin/push.c36
-rw-r--r--builtin/read-tree.c19
-rw-r--r--builtin/receive-pack.c724
-rw-r--r--builtin/reflog.c261
-rw-r--r--builtin/remote-ext.c13
-rw-r--r--builtin/remote.c97
-rw-r--r--builtin/repack.c91
-rw-r--r--builtin/replace.c377
-rw-r--r--builtin/rerere.c2
-rw-r--r--builtin/reset.c14
-rw-r--r--builtin/rev-parse.c30
-rw-r--r--builtin/revert.c4
-rw-r--r--builtin/rm.c13
-rw-r--r--builtin/send-pack.c37
-rw-r--r--builtin/shortlog.c2
-rw-r--r--builtin/show-branch.c32
-rw-r--r--builtin/show-ref.c2
-rw-r--r--builtin/symbolic-ref.c6
-rw-r--r--builtin/tag.c190
-rw-r--r--builtin/unpack-objects.c16
-rw-r--r--builtin/update-index.c38
-rw-r--r--builtin/update-ref.c459
-rw-r--r--builtin/verify-commit.c93
-rw-r--r--builtin/verify-pack.c12
-rw-r--r--builtin/verify-tag.c2
82 files changed, 4401 insertions, 2362 deletions
diff --git a/builtin/add.c b/builtin/add.c
index 459208a..3390933 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;
@@ -214,7 +215,6 @@ static int edit_patch(int argc, const char **argv, const char *prefix)
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 +284,7 @@ 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 +299,6 @@ 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 +344,7 @@ 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) |
@@ -443,8 +442,7 @@ 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/apply.c b/builtin/apply.c
index 622ee16..955cc79 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"
@@ -54,7 +55,7 @@ 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
};
@@ -435,7 +436,7 @@ 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 +657,6 @@ 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 +679,10 @@ 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
@@ -908,7 +904,7 @@ 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 +993,7 @@ 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 +1001,7 @@ 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 +1071,7 @@ 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 +1277,7 @@ 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;
}
@@ -1922,6 +1916,66 @@ 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 +1991,14 @@ 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 +2230,12 @@ 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 +2391,27 @@ 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 +2419,6 @@ 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 +2446,10 @@ 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 +2647,7 @@ 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)
@@ -3084,13 +3168,15 @@ 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;
@@ -3257,7 +3343,7 @@ 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))
@@ -3411,7 +3497,7 @@ 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))
@@ -3644,7 +3730,7 @@ 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 +3748,7 @@ 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 +3768,8 @@ 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 +3931,10 @@ 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) {
@@ -4113,7 +4200,7 @@ 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 +4213,6 @@ 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 +4238,6 @@ 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 +4295,11 @@ 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,
@@ -4422,7 +4447,7 @@ 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)
@@ -4501,8 +4526,7 @@ 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..44b0134 100644
--- a/builtin/blame.c
+++ b/builtin/blame.c
@@ -1,7 +1,8 @@
/*
* Blame
*
- * Copyright (c) 2006, Junio C Hamano
+ * Copyright (c) 2006, 2014 by its authors
+ * See COPYING for licensing conditions
*/
#include "cache.h"
@@ -18,18 +19,20 @@
#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"
-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
};
@@ -83,11 +86,42 @@ 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 +210,22 @@ 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 +239,12 @@ 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 +260,6 @@ 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 +272,112 @@ 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 +410,6 @@ 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 +425,30 @@ 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 +460,32 @@ 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 +524,19 @@ 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 +602,6 @@ 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 +648,31 @@ 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 +744,11 @@ 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 +756,39 @@ 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 +805,146 @@ 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 +953,32 @@ 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 +1123,80 @@ 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 +1208,46 @@ 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 +1277,9 @@ 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 +1316,21 @@ 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 +1340,21 @@ 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 +1371,29 @@ 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 +1406,8 @@ 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 +1469,71 @@ 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 +1728,11 @@ 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 +1746,34 @@ 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 +1789,22 @@ 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 */
@@ -1609,9 +1868,8 @@ 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 +1982,16 @@ 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 +2005,12 @@ 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 +2022,19 @@ 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;
}
@@ -2043,7 +2286,7 @@ 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);
@@ -2109,7 +2352,6 @@ static struct commit *fake_working_tree_commit(struct diff_options *opt,
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 +2385,12 @@ 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 +2415,10 @@ 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 +2445,7 @@ 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 +2489,7 @@ 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;
@@ -2338,6 +2580,9 @@ parse_done:
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;
@@ -2427,12 +2672,16 @@ 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 +2703,7 @@ 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 +2767,16 @@ 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 +2786,13 @@ 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..6a25957 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);
}
@@ -129,7 +130,8 @@ static int branch_merged(int kind, const char *name,
branch->merge[0] &&
branch->merge[0]->dst &&
(reference_name = reference_name_to_free =
- resolve_refdup(branch->merge[0]->dst, sha1, 1, NULL)) != NULL)
+ resolve_refdup(branch->merge[0]->dst, RESOLVE_REF_READING,
+ sha1, NULL)) != NULL)
reference_rev = lookup_commit_reference(sha1);
}
if (!reference_rev)
@@ -233,9 +235,12 @@ 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.")
: _("branch '%s' not found."), bname.buf);
@@ -243,7 +248,7 @@ static int delete_branches(int argc, const char **argv, int force, int kinds,
continue;
}
- if (!(flags & REF_ISSYMREF) &&
+ if (!(flags & (REF_ISSYMREF|REF_ISBROKEN)) &&
check_branch_commit(bname.buf, name, sha1, head_rev, kinds,
force)) {
ret = 1;
@@ -263,8 +268,8 @@ static int delete_branches(int argc, const char **argv, int force, int kinds,
? _("Deleted remote 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 +285,7 @@ struct ref_item {
char *dest;
unsigned int kind, width;
struct commit *commit;
+ int ignore;
};
struct ref_list {
@@ -294,13 +300,13 @@ 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);
}
@@ -334,20 +340,18 @@ 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;
@@ -385,6 +389,7 @@ 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)
@@ -484,17 +489,6 @@ 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 +516,9 @@ 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 +568,7 @@ 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;
@@ -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, "");
@@ -653,7 +647,23 @@ 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);
}
@@ -790,7 +800,7 @@ 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;
@@ -838,7 +848,7 @@ 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 +872,13 @@ 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 +891,7 @@ 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 +904,11 @@ 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 +1025,7 @@ 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/cat-file.c b/builtin/cat-file.c
index 7073304..df99df4 100644
--- a/builtin/cat-file.c
+++ b/builtin/cat-file.c
@@ -4,12 +4,8 @@
* 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"
@@ -79,11 +75,10 @@ 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
@@ -328,8 +323,8 @@ 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 | -s | -e | -p | <type> | --textconv) <object>"),
+ N_("git cat-file (--batch | --batch-check) < <list-of-objects>"),
NULL
};
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..9ca2da1 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;
@@ -247,7 +248,7 @@ int cmd_checkout_index(int argc, const char **argv, const char *prefix)
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);
+ checkout_file(p, prefix);
if (p < arg || p > arg + strlen(arg))
free((char *)p);
}
@@ -267,7 +268,7 @@ 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);
+ checkout_file(p, prefix);
if (p < buf.buf || p > buf.buf + buf.len)
free((char *)p);
}
@@ -279,8 +280,7 @@ 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..3e141fc 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"
@@ -22,8 +22,8 @@
#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,
};
@@ -62,23 +62,41 @@ 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 +243,6 @@ 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)
@@ -256,7 +273,7 @@ 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"));
@@ -337,6 +354,7 @@ 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 +370,10 @@ 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);
@@ -444,8 +461,8 @@ 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 +570,13 @@ 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)
@@ -624,7 +646,7 @@ 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 +673,8 @@ 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();
@@ -728,7 +746,7 @@ static void suggest_reattach(struct commit *commit, struct rev_info *revs)
_(
"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"),
find_unique_abbrev(commit->object.sha1, DEFAULT_ABBREV));
}
@@ -775,13 +793,13 @@ 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";
@@ -1072,7 +1090,7 @@ static int checkout_branch(struct checkout_opts *opts,
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 +1127,7 @@ 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_END(),
};
@@ -1150,10 +1168,8 @@ 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"));
diff --git a/builtin/clean.c b/builtin/clean.c
index 1032563..7e7fdcf 100644
--- a/builtin/clean.c
+++ b/builtin/clean.c
@@ -67,7 +67,7 @@ struct menu_item {
char hotkey;
const char *title;
int selected;
- int (*fn)();
+ int (*fn)(void);
};
enum menu_stuff_type {
@@ -100,6 +100,8 @@ 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 +111,13 @@ 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")) {
@@ -321,7 +321,7 @@ static void print_highlight_menu_stuff(struct menu_stuff *stuff, int **chosen)
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++) {
diff --git a/builtin/clone.c b/builtin/clone.c
index 545105a..9572467 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
};
@@ -48,6 +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 option_dissociate;
static int opt_parse_reference(const struct option *opt, const char *arg, int unset)
{
@@ -93,6 +95,8 @@ static struct option builtin_clone_options[] = {
N_("create a shallow clone of that depth")),
OPT_BOOL(0, "single-branch", &option_single_branch,
N_("clone only one branch, HEAD or --branch")),
+ OPT_BOOL(0, "dissociate", &option_dissociate,
+ N_("use --reference only while cloning")),
OPT_STRING(0, "separate-git-dir", &real_git_dir, N_("gitdir"),
N_("separate git dir from working tree")),
OPT_STRING_LIST('c', "config", &option_config, N_("key=value"),
@@ -390,7 +394,6 @@ 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 +420,6 @@ 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);
@@ -521,7 +522,7 @@ 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 +585,20 @@ 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 +606,7 @@ 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 +618,12 @@ 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 +642,7 @@ 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 +658,7 @@ 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 +686,10 @@ 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 +704,12 @@ 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 +738,16 @@ 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 +770,6 @@ 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 +809,6 @@ 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)
@@ -892,6 +893,10 @@ 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 +905,19 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
remote = remote_get(option_origin);
transport = transport_get(remote, remote->url[0]);
+ 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))
@@ -992,6 +1010,9 @@ 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 +1021,7 @@ 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 304c0bf..6055c76 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"
@@ -302,10 +316,9 @@ 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;
@@ -321,16 +334,15 @@ 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, index_lock.filename.buf, 1);
if (interactive_add(argc, argv, prefix, patch_interactive) != 0)
die(_("interactive add failed"));
@@ -341,10 +353,17 @@ 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(index_lock.filename.buf);
+ 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 index_lock.filename.buf;
}
/*
@@ -360,15 +379,14 @@ 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 index_lock.filename.buf;
}
/*
@@ -381,12 +399,16 @@ 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))
+ active_cache_changed = 1;
+ }
+ 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 +445,7 @@ 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 +453,29 @@ 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);
+ read_cache_from(false_lock.filename.buf);
- return false_lock.filename;
+ return false_lock.filename.buf;
}
static int run_status(FILE *fp, const char *index_file, const char *prefix, int nowarn,
@@ -502,6 +522,12 @@ 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 +538,25 @@ 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 +564,93 @@ 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 int author_date_is_interesting(void)
+{
+ return author_message || force_date;
}
-static char *cut_ident_timestamp_part(char *string)
+static void adjust_comment_line_char(const struct strbuf *sb)
{
- char *ket = strrchr(string, '>');
- if (!ket || ket[1] != ' ')
- die(_("Malformed ident string: '%s'"), string);
- *++ket = '\0';
- return ket;
+ 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 +710,7 @@ 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) {
@@ -717,36 +776,14 @@ 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 +791,8 @@ 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 +832,45 @@ 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_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 +1005,7 @@ 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 +1014,7 @@ 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);
@@ -989,7 +1039,8 @@ 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};
@@ -1179,22 +1230,21 @@ 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 +1252,7 @@ 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 +1282,14 @@ 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);
@@ -1343,6 +1394,24 @@ int cmd_status(int argc, const char **argv, const char *prefix)
return 0;
}
+static const char *implicit_ident_advice(void)
+{
+ char *user_config = NULL;
+ char *xdg_config = NULL;
+ int config_exists;
+
+ home_config_paths(&user_config, &xdg_config, "config");
+ 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);
@@ -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);
@@ -1694,14 +1762,17 @@ 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,
+ 0, !!current_head, 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"));
@@ -1712,7 +1783,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
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..d32c532 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
};
@@ -69,8 +69,8 @@ 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),
@@ -296,21 +296,25 @@ 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 +334,9 @@ 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 +400,6 @@ 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 +414,7 @@ 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';
@@ -458,6 +450,20 @@ 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"
+ "[core]\n"
+ "# Please adapt and uncomment the following lines:\n"
+ "# user = %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;
@@ -528,12 +534,7 @@ 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);
}
@@ -564,6 +565,8 @@ 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 +575,21 @@ 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 +614,8 @@ 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 +683,14 @@ 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..e47ef0b 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,
@@ -104,19 +72,10 @@ int cmd_count_objects(int argc, const char **argv, const char *prefix)
usage_with_options(count_objects_usage, opts);
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);
- }
+
+ 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..e00a75b 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;
}
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..b8182c2 100644
--- a/builtin/fast-export.c
+++ b/builtin/fast-export.c
@@ -17,6 +17,8 @@
#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 +33,9 @@ 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 +83,76 @@ 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 +191,26 @@ 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 +229,19 @@ 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 +289,7 @@ 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 +300,43 @@ 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 +381,9 @@ 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 +417,114 @@ 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 +533,7 @@ 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 +573,22 @@ 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 +619,14 @@ 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 +683,17 @@ 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 +806,15 @@ 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 +859,8 @@ 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 +953,19 @@ 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 +973,7 @@ 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 +994,9 @@ 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 +1010,27 @@ 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 +1058,7 @@ 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 +1066,7 @@ 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..7b84d35 100644
--- a/builtin/fetch.c
+++ b/builtin/fetch.c
@@ -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()
};
@@ -278,6 +295,9 @@ 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 +327,21 @@ 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 +404,37 @@ 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,
+ ref->old_sha1, 0, check_old, 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
@@ -1053,16 +1096,11 @@ 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 +1124,7 @@ 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 +1210,11 @@ 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..1d962dc 100644
--- a/builtin/fmt-merge-msg.c
+++ b/builtin/fmt-merge-msg.c
@@ -10,7 +10,7 @@
#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 +100,8 @@ 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 +165,7 @@ 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 +178,8 @@ 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;
@@ -219,8 +216,7 @@ 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);
}
@@ -300,8 +296,8 @@ 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 +601,7 @@ 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..19be78a 100644
--- a/builtin/for-each-ref.c
+++ b/builtin/for-each-ref.c
@@ -138,10 +138,8 @@ static int parse_atom(const char *atom, const char *ep)
/* 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));
+ REALLOC_ARRAY(used_atom, used_atom_cnt);
+ REALLOC_ARRAY(used_atom_type, used_atom_cnt);
used_atom[at] = xmemdupz(atom, ep - atom);
used_atom_type[at] = valid_atom[i].cmp_type;
if (*atom == '*')
@@ -193,7 +191,7 @@ static int verify_format(const char *format)
at = parse_atom(sp + 2, ep);
cp = ep + 1;
- if (!memcmp(used_atom[at], "color:", 6))
+ if (starts_with(used_atom[at], "color:"))
need_color_reset_at_eol = !!strcmp(used_atom[at], color_reset);
}
return 0;
@@ -283,18 +281,6 @@ static void grab_tag_values(struct atom_value *val, int deref, struct object *ob
}
}
-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)
{
@@ -315,12 +301,12 @@ static void grab_commit_values(struct atom_value *val, int deref, struct object
}
if (!strcmp(name, "numparent")) {
char *s = xmalloc(40);
- v->ul = num_parents(commit);
+ v->ul = commit_list_count(commit->parents);
sprintf(s, "%lu", v->ul);
v->s = s;
}
else if (!strcmp(name, "parent")) {
- int num = num_parents(commit);
+ int num = commit_list_count(commit->parents);
int i;
struct commit_list *parents;
char *s = xmalloc(41 * num + 1);
@@ -645,11 +631,12 @@ static void populate_value(struct refinfo *ref)
unsigned long size;
const unsigned char *tagged;
- ref->value = xcalloc(sizeof(struct atom_value), used_atom_cnt);
+ ref->value = xcalloc(used_atom_cnt, sizeof(struct atom_value));
if (need_symref && (ref->flag & REF_ISSYMREF) && !ref->symref) {
unsigned char unused1[20];
- ref->symref = resolve_refdup(ref->refname, unused1, 1, NULL);
+ ref->symref = resolve_refdup(ref->refname, RESOLVE_REF_READING,
+ unused1, NULL);
if (!ref->symref)
ref->symref = "";
}
@@ -685,7 +672,8 @@ static void populate_value(struct refinfo *ref)
} else if (starts_with(name, "color:")) {
char color[COLOR_MAXLEN] = "";
- color_parse(name + 6, "--format", color);
+ if (color_parse(name + 6, color) < 0)
+ die(_("unable to parse format"));
v->s = xstrdup(color);
continue;
} else if (!strcmp(name, "flag")) {
@@ -707,7 +695,8 @@ static void populate_value(struct refinfo *ref)
const char *head;
unsigned char sha1[20];
- head = resolve_ref_unsafe("HEAD", sha1, 1, NULL);
+ head = resolve_ref_unsafe("HEAD", RESOLVE_REF_READING,
+ sha1, NULL);
if (!strcmp(ref->refname, head))
v->s = "*";
else
@@ -728,7 +717,10 @@ static void populate_value(struct refinfo *ref)
starts_with(name, "upstream")) {
char buf[40];
- stat_tracking_info(branch, &num_ours, &num_theirs);
+ if (stat_tracking_info(branch, &num_ours,
+ &num_theirs) != 1)
+ continue;
+
if (!num_ours && !num_theirs)
v->s = "";
else if (!num_ours) {
@@ -746,7 +738,11 @@ static void populate_value(struct refinfo *ref)
} else if (!strcmp(formatp, "trackshort") &&
starts_with(name, "upstream")) {
assert(branch);
- stat_tracking_info(branch, &num_ours, &num_theirs);
+
+ if (stat_tracking_info(branch, &num_ours,
+ &num_theirs) != 1)
+ continue;
+
if (!num_ours && !num_theirs)
v->s = "=";
else if (!num_ours)
@@ -851,6 +847,11 @@ static int grab_single_ref(const char *refname, const unsigned char *sha1, int f
struct refinfo *ref;
int cnt;
+ if (flag & REF_BAD_NAME) {
+ warning("ignoring ref with broken name %s", refname);
+ return 0;
+ }
+
if (*cb->grab_pattern) {
const char **pattern;
int namelen = strlen(refname);
@@ -882,8 +883,7 @@ static int grab_single_ref(const char *refname, const unsigned char *sha1, int f
ref->flag = flag;
cnt = cb->grab_cnt;
- cb->grab_array = xrealloc(cb->grab_array,
- sizeof(*cb->grab_array) * (cnt + 1));
+ REALLOC_ARRAY(cb->grab_array, cnt + 1);
cb->grab_array[cnt++] = ref;
cb->grab_cnt = cnt;
return 0;
@@ -1019,7 +1019,8 @@ static void show_ref(struct refinfo *info, const char *format, int quote_style)
struct atom_value resetv;
char color[COLOR_MAXLEN] = "";
- color_parse("reset", "--format", color);
+ if (color_parse("reset", color) < 0)
+ die("BUG: couldn't parse 'reset' as a color");
resetv.s = color;
print_value(&resetv, quote_style);
}
@@ -1060,7 +1061,7 @@ static int opt_parse_sort(const struct option *opt, const char *arg, int unset)
}
static char const * const for_each_ref_usage[] = {
- N_("git for-each-ref [options] [<pattern>]"),
+ N_("git for-each-ref [<options>] [<pattern>]"),
NULL
};
@@ -1081,7 +1082,7 @@ 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")),
diff --git a/builtin/fsck.c b/builtin/fsck.c
index 8aadca1..0c75786 100644
--- a/builtin/fsck.c
+++ b/builtin/fsck.c
@@ -298,7 +298,7 @@ static int fsck_obj(struct object *obj)
if (fsck_walk(obj, mark_used, NULL))
objerror(obj, "broken links");
- if (fsck_object(obj, check_strict, fsck_error_func))
+ if (fsck_object(obj, NULL, 0, check_strict, fsck_error_func))
return -1;
if (obj->type == OBJ_TREE) {
@@ -388,7 +388,8 @@ 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;
@@ -481,11 +482,6 @@ static int fsck_handle_reflog(const char *logname, const unsigned char *sha1, in
return 0;
}
-static int is_branch(const char *refname)
-{
- return !strcmp(refname, "HEAD") || starts_with(refname, "refs/heads/");
-}
-
static int fsck_handle_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data)
{
struct object *obj;
@@ -493,6 +489,7 @@ static int fsck_handle_ref(const char *refname, const unsigned char *sha1, int f
obj = parse_object(sha1);
if (!obj) {
error("%s: invalid sha1 pointer %s", refname, sha1_to_hex(sha1));
+ errors_found |= ERROR_REACHABLE;
/* We'll continue with the rest despite the error.. */
return 0;
}
@@ -509,7 +506,7 @@ 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);
+ for_each_rawref(fsck_handle_ref, NULL);
if (include_reflogs)
for_each_reflog(fsck_handle_reflog, NULL);
@@ -559,7 +556,7 @@ 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_sha1, &flag);
if (!head_points_at)
return error("Invalid HEAD");
if (!strcmp(head_points_at, "HEAD"))
@@ -603,7 +600,7 @@ 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
};
diff --git a/builtin/gc.c b/builtin/gc.c
index 8d219d8..5c634af 100644
--- a/builtin/gc.c
+++ b/builtin/gc.c
@@ -11,7 +11,7 @@
*/
#include "builtin.h"
-#include "cache.h"
+#include "lockfile.h"
#include "parse-options.h"
#include "run-command.h"
#include "sigchain.h"
@@ -21,7 +21,7 @@
#define FAILED_RUN "failed to run %s"
static const char * const builtin_gc_usage[] = {
- N_("git gc [options]"),
+ N_("git gc [<options>]"),
NULL
};
@@ -55,44 +55,33 @@ static void remove_pidfile_on_signal(int signo)
raise(signo);
}
-static int gc_config(const char *var, const char *value, void *cb)
+static void gc_config(void)
{
- if (!strcmp(var, "gc.packrefs")) {
+ const char *value;
+
+ 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;
- }
- 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;
+ pack_refs = git_config_bool("gc.packrefs", value);
}
- if (!strcmp(var, "gc.autodetach")) {
- detach_auto = git_config_bool(var, value);
- return 0;
- }
- if (!strcmp(var, "gc.pruneexpire")) {
- if (value && strcmp(value, "now")) {
+
+ 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);
+
+ if (!git_config_get_string_const("gc.pruneexpire", &prune_expire)) {
+ if (strcmp(prune_expire, "now")) {
unsigned long now = approxidate("now");
- if (approxidate(value) >= now)
- return error(_("Invalid %s: '%s'"), var, value);
+ if (approxidate(prune_expire) >= now) {
+ git_die_config("gc.pruneexpire", _("Invalid gc.pruneexpire: '%s'"),
+ prune_expire);
+ }
}
- return git_config_string(&prune_expire, var, value);
}
- return git_default_config(var, value, cb);
+ git_config(git_default_config, NULL);
}
static int too_many_loose_objects(void)
@@ -301,7 +290,7 @@ int cmd_gc(int argc, const char **argv, const char *prefix)
argv_array_pushl(&prune, "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();
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..9262b73 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;
@@ -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, "--")) {
diff --git a/builtin/hash-object.c b/builtin/hash-object.c
index d7fcf4c..207b90c 100644
--- a/builtin/hash-object.c
+++ b/builtin/hash-object.c
@@ -10,35 +10,55 @@
#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 if (flags & HASH_WRITE_OBJECT)
+ ret = write_sha1_file(buf.buf, buf.len, type, sha1);
+ else
+ ret = hash_sha1_file(buf.buf, buf.len, type, sha1);
+ 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 +69,46 @@ 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 +138,19 @@ 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..6133fe4 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;
@@ -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") },
diff --git a/builtin/index-pack.c b/builtin/index-pack.c
index 9ca0203..4632117 100644
--- a/builtin/index-pack.c
+++ b/builtin/index-pack.c
@@ -112,6 +112,10 @@ 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 +139,7 @@ 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 +162,7 @@ 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++)
@@ -179,6 +185,9 @@ static void cleanup_thread(void)
#define deepest_delta_lock()
#define deepest_delta_unlock()
+#define type_cas_lock()
+#define type_cas_unlock()
+
#endif
@@ -438,7 +447,7 @@ 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);
@@ -543,7 +552,7 @@ 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));
@@ -773,7 +782,8 @@ 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, 1,
+ fsck_error_function))
die(_("Error in object"));
if (fsck_walk(obj, mark_link, NULL))
die(_("Not all child objects of %s are reachable"), sha1_to_hex(obj->sha1));
@@ -862,7 +872,6 @@ 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;
deepest_delta_lock();
@@ -888,6 +897,26 @@ 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(enum object_type *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)
{
@@ -915,7 +944,10 @@ static struct base_data *find_unresolved_deltas_1(struct base_data *base,
struct object_entry *child = objects + 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);
@@ -929,6 +961,7 @@ static struct base_data *find_unresolved_deltas_1(struct base_data *base,
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);
@@ -1140,9 +1173,7 @@ static void conclude_pack(int fix_thin_pack, const char *curr_pack, unsigned cha
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);
@@ -1505,7 +1536,8 @@ 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];
@@ -1602,24 +1634,22 @@ 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)
@@ -1667,8 +1697,8 @@ 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..6723d39 100644
--- a/builtin/init-db.c
+++ b/builtin/init-db.c
@@ -119,15 +119,18 @@ 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 +142,7 @@ 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 +158,7 @@ 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 +168,10 @@ 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)
@@ -254,7 +259,10 @@ 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");
@@ -330,12 +338,12 @@ 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;
}
@@ -426,8 +434,9 @@ 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 +444,10 @@ 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 +472,7 @@ 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 +545,9 @@ 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 +581,10 @@ 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 +593,7 @@ 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..dd8f3fc 100644
--- a/builtin/log.c
+++ b/builtin/log.c
@@ -38,8 +38,8 @@ 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 +63,8 @@ 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 +78,7 @@ 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;
@@ -128,7 +130,7 @@ 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 +150,7 @@ 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);
@@ -366,6 +368,8 @@ 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 +390,8 @@ 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 (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 +449,13 @@ 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;
@@ -485,7 +489,7 @@ 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) ? "/" : "");
@@ -668,6 +672,7 @@ 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 +705,7 @@ 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 +742,8 @@ 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;
@@ -839,8 +846,13 @@ 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 +863,10 @@ 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 +874,7 @@ 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 +890,9 @@ 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;
}
@@ -1010,7 +1023,7 @@ 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 +1241,8 @@ 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 +1399,11 @@ 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 */
}
@@ -1427,7 +1443,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
continue;
nr++;
- list = xrealloc(list, nr * sizeof(list[0]));
+ REALLOC_ARRAY(list, nr);
list[nr - 1] = commit;
}
if (nr == 0)
@@ -1445,6 +1461,18 @@ 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) {
diff --git a/builtin/ls-files.c b/builtin/ls-files.c
index 47c3880..914054d 100644
--- a/builtin/ls-files.c
+++ b/builtin/ls-files.c
@@ -398,7 +398,7 @@ int report_path_error(const char *ps_matched,
}
static const char * const ls_files_usage[] = {
- N_("git ls-files [options] [<file>...]"),
+ N_("git ls-files [<options>] [<file>...]"),
NULL
};
@@ -474,7 +474,7 @@ 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"),
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..131edc2 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(),
};
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..3b0f8f9 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[] = {
@@ -237,11 +239,10 @@ static void drop_save(void)
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;
@@ -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.
@@ -557,7 +558,7 @@ 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 +658,18 @@ 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 +697,13 @@ 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,
@@ -843,16 +839,14 @@ 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 +881,20 @@ 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");
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; "
@@ -1108,7 +1094,7 @@ 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))
@@ -1150,14 +1136,14 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
*/
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 (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)."));
}
@@ -1222,7 +1208,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
die(_("%s - not something we can merge"), argv[0]);
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;
@@ -1282,10 +1268,7 @@ 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 +1313,7 @@ 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 +1322,7 @@ 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 +1410,7 @@ 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 +1543,7 @@ 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..9736d44 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);
@@ -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..63f95fc 100644
--- a/builtin/notes.c
+++ b/builtin/notes.c
@@ -21,18 +21,18 @@
#include "notes-utils.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 +68,7 @@ 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 +92,22 @@ 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 +116,7 @@ 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 +132,11 @@ 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 +159,23 @@ 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 +186,71 @@ 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_reset(&d->buf);
- 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);
- }
-
- 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 +258,17 @@ 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 +381,27 @@ 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 +424,44 @@ 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 +542,29 @@ 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 +578,7 @@ 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 +591,39 @@ 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 +714,7 @@ 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 +728,7 @@ 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);
@@ -812,11 +823,11 @@ 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 */
/* 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 */
if (create_symref("NOTES_MERGE_REF", default_notes_ref(), NULL))
die("Failed to store link to current notes ref (%s)",
@@ -940,7 +951,7 @@ 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..d816587 100644
--- a/builtin/pack-objects.c
+++ b/builtin/pack-objects.c
@@ -20,6 +20,9 @@
#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]"),
@@ -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;
@@ -812,6 +814,7 @@ 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) {
@@ -1973,8 +1976,6 @@ 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();
@@ -2214,10 +2215,6 @@ 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 +2409,27 @@ 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 +2440,14 @@ 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 +2483,19 @@ 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 +2526,7 @@ 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 +2543,23 @@ 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,
@@ -2571,10 +2613,11 @@ 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),
@@ -2621,6 +2664,9 @@ 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 +2678,8 @@ 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 +2711,30 @@ 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 +2743,10 @@ 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 +2765,8 @@ 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 +2784,8 @@ 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..77db873 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, unsigned char *id, unsigned char *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);
}
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(unsigned char *result, git_SHA_CTX *ctx)
+{
+ unsigned char hash[20];
+ unsigned short carry = 0;
+ int i;
+
+ git_SHA1_Final(hash, ctx);
+ git_SHA1_Init(ctx);
+ /* 20-byte sum, with carry */
+ for (i = 0; i < 20; ++i) {
+ carry += result[i] + hash[i];
+ result[i] = carry;
+ carry >>= 8;
+ }
+}
+
+static int get_one_patchid(unsigned char *next_sha1, unsigned char *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);
+ hashclr(result);
while (strbuf_getwholeline(line_buf, stdin, '\n') != EOF) {
char *line = line_buf->buf;
@@ -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);
+ 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;
+ unsigned char sha1[20], n[20], result[20];
int patchlen;
struct strbuf line_buf = STRBUF_INIT;
- git_SHA1_Init(&ctx);
hashclr(sha1);
while (!feof(stdin)) {
- patchlen = get_one_patchid(n, &ctx, &line_buf);
- flush_current_id(patchlen, sha1, &ctx);
+ patchlen = get_one_patchid(n, result, &line_buf, stable);
+ flush_current_id(patchlen, sha1, result);
hashcpy(sha1, 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..04d3b12 100644
--- a/builtin/prune.c
+++ b/builtin/prune.c
@@ -31,11 +31,23 @@ 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 +60,20 @@ 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;
}
/*
@@ -171,9 +135,10 @@ 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/push.c b/builtin/push.c
index f8dfea4..fc771a9 100644
--- a/builtin/push.c
+++ b/builtin/push.c
@@ -127,11 +127,10 @@ 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 +161,7 @@ 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 +184,7 @@ 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 +257,11 @@ 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:
@@ -472,11 +471,23 @@ static int option_parse_recurse_submodules(const struct option *opt,
return 0;
}
+static int git_push_config(const char *k, const char *v, void *cb)
+{
+ struct wt_status *s = cb;
+ int status;
+
+ status = git_gpg_config(k, v, NULL);
+ if (status)
+ return status;
+ return git_default_config(k, v, s);
+}
+
int cmd_push(int argc, const char **argv, const char *prefix)
{
int flags = 0;
int tags = 0;
int rc;
+ int atomic = 0;
const char *repo = NULL; /* default repository */
struct option options[] = {
OPT__VERBOSITY(&verbosity),
@@ -493,7 +504,7 @@ 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")),
@@ -507,11 +518,13 @@ 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),
+ OPT_BIT(0, "signed", &flags, N_("GPG sign the push"), TRANSPORT_PUSH_CERT),
+ OPT_BOOL(0, "atomic", &atomic, N_("request atomic transaction on remote side")),
OPT_END()
};
packet_trace_identity("push");
- git_config(git_default_config, NULL);
+ git_config(git_push_config, NULL);
argc = parse_options(argc, argv, prefix, options, push_usage, 0);
if (deleterefs && (tags || (flags & (TRANSPORT_PUSH_ALL | TRANSPORT_PUSH_MIRROR))))
@@ -522,6 +535,9 @@ int cmd_push(int argc, const char **argv, const char *prefix)
if (tags)
add_refspec("refs/tags/*");
+ if (atomic)
+ flags |= TRANSPORT_PUSH_ATOMIC;
+
if (argc > 0) {
repo = argv[0];
set_refspecs(argv + 1, argc - 1, repo);
diff --git a/builtin/read-tree.c b/builtin/read-tree.c
index 0d7ef84..43b47f7 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"
@@ -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..e0ce78e 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 +16,9 @@
#include "connected.h"
#include "argv-array.h"
#include "version.h"
+#include "tag.h"
+#include "gpg-interface.h"
+#include "sigchain.h"
static const char receive_pack_usage[] = "git receive-pack <git-dir>";
@@ -22,7 +26,8 @@ enum deny_action {
DENY_UNCONFIGURED,
DENY_IGNORE,
DENY_WARN,
- DENY_REFUSE
+ DENY_REFUSE,
+ DENY_UPDATE_INSTEAD
};
static int deny_deletes;
@@ -33,19 +38,38 @@ static int receive_fsck_objects = -1;
static int transfer_fsck_objects = -1;
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 +80,8 @@ 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;
@@ -129,6 +155,19 @@ 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);
}
@@ -137,15 +176,25 @@ 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)
@@ -252,10 +301,231 @@ 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 +536,6 @@ 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 +550,8 @@ 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 +559,8 @@ 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 +572,9 @@ 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 +626,7 @@ 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 +638,6 @@ 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 +713,7 @@ 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 +743,111 @@ static int update_shallow_ref(struct command *cmd, struct shallow_info *si)
return 0;
}
+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",
+ "HEAD", "--", 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";
+
+ 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 +871,11 @@ 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;
}
}
@@ -523,10 +900,13 @@ 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 +940,7 @@ 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 +950,36 @@ 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, old_sha1 != NULL,
+ "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, 1, "push",
+ &err)) {
+ rp_error("%s", err.buf);
+ strbuf_release(&err);
+
+ return "failed to update ref";
}
+ strbuf_release(&err);
+
return NULL; /* good */
}
}
@@ -598,7 +989,7 @@ static void run_update_post_hook(struct command *commands)
struct command *cmd;
int argc;
const char **argv;
- struct child_process proc;
+ struct child_process proc = CHILD_PROCESS_INIT;
char *hook;
hook = find_hook("post-update");
@@ -614,17 +1005,13 @@ 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 +1035,7 @@ 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 +1085,7 @@ 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 +1163,105 @@ 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 +1290,64 @@ 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");
+
+ 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);
- if (shallow_update && !checked_connectivity)
- error("BUG: run 'git fsck' for safety.\n"
- "If there are errors, try to remove "
- "the reported refs above");
+ 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 +1356,62 @@ 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;
+ }
+
+ 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;
}
- 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;
+
+ p = queue_command(p, line, linelen);
}
+
+ if (push_cert.len)
+ queue_commands_from_cert(p, &push_cert);
+
return commands;
}
@@ -910,11 +1440,10 @@ 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 +1462,16 @@ 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_push(&child.args, "--strict");
child.no_stdout = 1;
child.err = err_fd;
child.git_cmd = 1;
@@ -958,13 +1486,12 @@ 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_push(&child.args, "--strict");
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 +1650,7 @@ 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 +1683,21 @@ 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 +1742,6 @@ 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..49c64f9 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"
@@ -22,18 +22,13 @@ 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 +36,16 @@ 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 +217,7 @@ 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 +256,7 @@ 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
@@ -288,55 +285,39 @@ 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 unsigned char *sha1,
+ int flags, void *cb_data)
{
struct commit_list **list = cb_data;
struct commit *tip_commit;
@@ -349,104 +330,56 @@ static int push_tip_to_list(const char *refname, const unsigned char *sha1, int
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);
+ free_commit_list(cb->tips);
} else {
- clear_commit_marks(tip_commit, REACHABLE);
+ clear_commit_marks(cb->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);
- } else {
- adjust_shared_perm(log_file);
- }
- }
- 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)
@@ -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;
@@ -740,15 +683,19 @@ 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);
for_each_reflog_ent(ref, count_reflog_ent, &cb);
- cb.expire_total = 0;
+ cb.cmd.expire_total = 0;
}
- status |= expire_reflog(ref, sha1, 0, &cb);
+ status |= reflog_expire(ref, sha1, flags,
+ reflog_expiry_prepare,
+ should_expire_reflog_ent,
+ reflog_expiry_cleanup,
+ &cb);
free(ref);
}
return status;
diff --git a/builtin/remote-ext.c b/builtin/remote-ext.c
index 692c834..3b8c22c 100644
--- a/builtin/remote-ext.c
+++ b/builtin/remote-ext.c
@@ -30,16 +30,14 @@ static char *strip_escapes(const char *str, const char *service,
size_t rpos = 0;
int escape = 0;
char special = 0;
- size_t psoff = 0;
+ const char *service_noprefix = service;
struct strbuf ret = STRBUF_INIT;
- /* Calculate prefix length for \s and lengths for \s and \S */
- if (!strncmp(service, "git-", 4))
- psoff = 4;
+ skip_prefix(service_noprefix, "git-", &service_noprefix);
/* Pass the service to command. */
setenv("GIT_EXT_SERVICE", service, 1);
- setenv("GIT_EXT_SERVICE_NOPREFIX", service + psoff, 1);
+ setenv("GIT_EXT_SERVICE_NOPREFIX", service_noprefix, 1);
/* Scan the length of argument. */
while (str[rpos] && (escape || str[rpos] != ' ')) {
@@ -85,7 +83,7 @@ static char *strip_escapes(const char *str, const char *service,
strbuf_addch(&ret, str[rpos]);
break;
case 's':
- strbuf_addstr(&ret, service + psoff);
+ strbuf_addstr(&ret, service_noprefix);
break;
case 'S':
strbuf_addstr(&ret, service);
@@ -179,9 +177,8 @@ static void send_git_request(int stdin_fd, const char *serv, const char *repo,
static int run_child(const char *arg, const char *service)
{
int r;
- struct child_process child;
+ struct child_process child = CHILD_PROCESS_INIT;
- memset(&child, 0, sizeof(child));
child.in = -1;
child.out = -1;
child.err = 0;
diff --git a/builtin/remote.c b/builtin/remote.c
index c9102e8..5d3ab90 100644
--- a/builtin/remote.c
+++ b/builtin/remote.c
@@ -10,10 +10,10 @@
static const char * const builtin_remote_usage[] = {
N_("git remote [-v | --verbose]"),
- N_("git remote add [-t <branch>] [-m <master>] [-f] [--tags|--no-tags] [--mirror=<fetch|push>] <name> <url>"),
+ N_("git remote add [-t <branch>] [-m <master>] [-f] [--tags | --no-tags] [--mirror=<fetch|push>] <name> <url>"),
N_("git remote rename <old> <new>"),
N_("git remote remove <name>"),
- N_("git remote set-head <name> (-a | --auto | -d | --delete |<branch>)"),
+ N_("git remote set-head <name> (-a | --auto | -d | --delete | <branch>)"),
N_("git remote [-v | --verbose] show [-n] <name>"),
N_("git remote prune [-n | --dry-run] <name>"),
N_("git remote [-v | --verbose] update [-p | --prune] [(<group> | <remote>)...]"),
@@ -180,7 +180,9 @@ static int add(int argc, const char **argv)
url = argv[1];
remote = remote_get(name);
- if (remote && (remote->url_nr > 1 || strcmp(name, remote->url[0]) ||
+ if (remote && (remote->url_nr > 1 ||
+ (strcmp(name, remote->url[0]) &&
+ strcmp(url, remote->url[0])) ||
remote->fetch_refspec_nr))
die(_("remote %s already exists."), name);
@@ -250,9 +252,7 @@ static struct string_list branch_list;
static const char *abbrev_ref(const char *name, const char *prefix)
{
- const char *abbrev = skip_prefix(name, prefix);
- if (abbrev)
- return abbrev;
+ skip_prefix(name, prefix, &name);
return name;
}
#define abbrev_branch(name) abbrev_ref((name), "refs/heads/")
@@ -265,16 +265,17 @@ static int config_read_branches(const char *key, const char *value, void *cb)
struct string_list_item *item;
struct branch_info *info;
enum { REMOTE, MERGE, REBASE } type;
+ size_t key_len;
key += 7;
- if (ends_with(key, ".remote")) {
- name = xstrndup(key, strlen(key) - 7);
+ if (strip_suffix(key, ".remote", &key_len)) {
+ name = xmemdupz(key, key_len);
type = REMOTE;
- } else if (ends_with(key, ".merge")) {
- name = xstrndup(key, strlen(key) - 6);
+ } else if (strip_suffix(key, ".merge", &key_len)) {
+ name = xmemdupz(key, key_len);
type = MERGE;
- } else if (ends_with(key, ".rebase")) {
- name = xstrndup(key, strlen(key) - 7);
+ } else if (strip_suffix(key, ".rebase", &key_len)) {
+ name = xmemdupz(key, key_len);
type = REBASE;
} else
return 0;
@@ -353,9 +354,9 @@ static int get_ref_states(const struct ref *remote_refs, struct ref_states *stat
free_refs(stale_refs);
free_refs(fetch_map);
- sort_string_list(&states->new);
- sort_string_list(&states->tracked);
- sort_string_list(&states->stale);
+ string_list_sort(&states->new);
+ string_list_sort(&states->tracked);
+ string_list_sort(&states->stale);
return 0;
}
@@ -568,7 +569,8 @@ static int read_remote_branches(const char *refname,
strbuf_addf(&buf, "refs/remotes/%s/", rename->old);
if (starts_with(refname, buf.buf)) {
item = string_list_append(rename->remote_branches, xstrdup(refname));
- symref = resolve_ref_unsafe(refname, orig_sha1, 1, &flag);
+ symref = resolve_ref_unsafe(refname, RESOLVE_REF_READING,
+ orig_sha1, &flag);
if (flag & REF_ISSYMREF)
item->util = xstrdup(symref);
else
@@ -704,7 +706,7 @@ static int mv(int argc, const char **argv)
int flag = 0;
unsigned char sha1[20];
- read_ref_full(item->string, sha1, 1, &flag);
+ read_ref_full(item->string, RESOLVE_REF_READING, sha1, &flag);
if (!(flag & REF_ISSYMREF))
continue;
if (delete_ref(item->string, NULL, REF_NODEREF))
@@ -749,14 +751,12 @@ static int mv(int argc, const char **argv)
static int remove_branches(struct string_list *branches)
{
- const char **branch_names;
+ struct strbuf err = STRBUF_INIT;
int i, result = 0;
- branch_names = xmalloc(branches->nr * sizeof(*branch_names));
- for (i = 0; i < branches->nr; i++)
- branch_names[i] = branches->items[i].string;
- result |= repack_without_refs(branch_names, branches->nr);
- free(branch_names);
+ if (repack_without_refs(branches, &err))
+ result |= error("%s", err.buf);
+ strbuf_release(&err);
for (i = 0; i < branches->nr; i++) {
struct string_list_item *item = branches->items + i;
@@ -911,7 +911,7 @@ static int get_remote_ref_states(const char *name,
get_push_ref_states(remote_refs, states);
} else {
for_each_ref(append_ref_to_tracked_list, states);
- sort_string_list(&states->tracked);
+ string_list_sort(&states->tracked);
get_push_ref_states_noquery(states);
}
@@ -1130,7 +1130,7 @@ static int show_all(void)
if (!result) {
int i;
- sort_string_list(&list);
+ string_list_sort(&list);
for (i = 0; i < list.nr; i++) {
struct string_list_item *item = list.items + i;
if (verbose)
@@ -1311,10 +1311,10 @@ static int set_head(int argc, const char **argv)
static int prune_remote(const char *remote, int dry_run)
{
- int result = 0, i;
+ int result = 0;
struct ref_states states;
- struct string_list delete_refs_list = STRING_LIST_INIT_NODUP;
- const char **delete_refs;
+ struct string_list refs_to_prune = STRING_LIST_INIT_NODUP;
+ struct string_list_item *item;
const char *dangling_msg = dry_run
? _(" %s will become dangling!")
: _(" %s has become dangling!");
@@ -1322,25 +1322,30 @@ static int prune_remote(const char *remote, int dry_run)
memset(&states, 0, sizeof(states));
get_remote_ref_states(remote, &states, GET_REF_STATES);
- if (states.stale.nr) {
- printf_ln(_("Pruning %s"), remote);
- printf_ln(_("URL: %s"),
- states.remote->url_nr
- ? states.remote->url[0]
- : _("(no URL)"));
-
- delete_refs = xmalloc(states.stale.nr * sizeof(*delete_refs));
- for (i = 0; i < states.stale.nr; i++)
- delete_refs[i] = states.stale.items[i].util;
- if (!dry_run)
- result |= repack_without_refs(delete_refs, states.stale.nr);
- free(delete_refs);
+ if (!states.stale.nr) {
+ free_remote_ref_states(&states);
+ return 0;
}
- for (i = 0; i < states.stale.nr; i++) {
- const char *refname = states.stale.items[i].util;
+ printf_ln(_("Pruning %s"), remote);
+ printf_ln(_("URL: %s"),
+ states.remote->url_nr
+ ? states.remote->url[0]
+ : _("(no URL)"));
+
+ for_each_string_list_item(item, &states.stale)
+ string_list_append(&refs_to_prune, item->util);
+ string_list_sort(&refs_to_prune);
+
+ if (!dry_run) {
+ struct strbuf err = STRBUF_INIT;
+ if (repack_without_refs(&refs_to_prune, &err))
+ result |= error("%s", err.buf);
+ strbuf_release(&err);
+ }
- string_list_insert(&delete_refs_list, refname);
+ for_each_string_list_item(item, &states.stale) {
+ const char *refname = item->util;
if (!dry_run)
result |= delete_ref(refname, NULL, 0);
@@ -1353,9 +1358,9 @@ static int prune_remote(const char *remote, int dry_run)
abbrev_ref(refname, "refs/remotes/"));
}
- warn_dangling_symrefs(stdout, dangling_msg, &delete_refs_list);
- string_list_clear(&delete_refs_list, 0);
+ warn_dangling_symrefs(stdout, dangling_msg, &refs_to_prune);
+ string_list_clear(&refs_to_prune, 0);
free_remote_ref_states(&states);
return result;
}
diff --git a/builtin/repack.c b/builtin/repack.c
index 36c1cf9..28fbc70 100644
--- a/builtin/repack.c
+++ b/builtin/repack.c
@@ -10,11 +10,11 @@
static int delta_base_offset = 1;
static int pack_kept_objects = -1;
-static int write_bitmaps = -1;
+static int write_bitmaps;
static char *packdir, *packtmp;
static const char *const git_repack_usage[] = {
- N_("git repack [options]"),
+ N_("git repack [<options>]"),
NULL
};
@@ -28,7 +28,8 @@ static int repack_config(const char *var, const char *value, void *cb)
pack_kept_objects = git_config_bool(var, value);
return 0;
}
- if (!strcmp(var, "pack.writebitmaps")) {
+ if (!strcmp(var, "repack.writebitmaps") ||
+ !strcmp(var, "pack.writebitmaps")) {
write_bitmaps = git_config_bool(var, value);
return 0;
}
@@ -82,16 +83,15 @@ static void get_non_kept_pack_filenames(struct string_list *fname_list)
DIR *dir;
struct dirent *e;
char *fname;
- size_t len;
if (!(dir = opendir(packdir)))
return;
while ((e = readdir(dir)) != NULL) {
- if (!ends_with(e->d_name, ".pack"))
+ size_t len;
+ if (!strip_suffix(e->d_name, ".pack", &len))
continue;
- len = strlen(e->d_name) - strlen(".pack");
fname = xmemdupz(e->d_name, len);
if (!file_exists(mkpath("%s/%s.keep", packdir, fname)))
@@ -133,9 +133,8 @@ int cmd_repack(int argc, const char **argv, const char *prefix)
{".idx"},
{".bitmap", 1},
};
- struct child_process cmd;
+ struct child_process cmd = CHILD_PROCESS_INIT;
struct string_list_item *item;
- struct argv_array cmd_args = ARGV_ARRAY_INIT;
struct string_list names = STRING_LIST_INIT_DUP;
struct string_list rollback = STRING_LIST_INIT_NODUP;
struct string_list existing_packs = STRING_LIST_INIT_DUP;
@@ -195,64 +194,62 @@ int cmd_repack(int argc, const char **argv, const char *prefix)
git_repack_usage, 0);
if (pack_kept_objects < 0)
- pack_kept_objects = write_bitmaps > 0;
+ pack_kept_objects = write_bitmaps;
packdir = mkpathdup("%s/pack", get_object_directory());
packtmp = mkpathdup("%s/.tmp-%d-pack", packdir, (int)getpid());
sigchain_push_common(remove_pack_on_signal);
- argv_array_push(&cmd_args, "pack-objects");
- argv_array_push(&cmd_args, "--keep-true-parents");
+ argv_array_push(&cmd.args, "pack-objects");
+ argv_array_push(&cmd.args, "--keep-true-parents");
if (!pack_kept_objects)
- argv_array_push(&cmd_args, "--honor-pack-keep");
- argv_array_push(&cmd_args, "--non-empty");
- argv_array_push(&cmd_args, "--all");
- argv_array_push(&cmd_args, "--reflog");
+ argv_array_push(&cmd.args, "--honor-pack-keep");
+ argv_array_push(&cmd.args, "--non-empty");
+ argv_array_push(&cmd.args, "--all");
+ argv_array_push(&cmd.args, "--reflog");
+ argv_array_push(&cmd.args, "--indexed-objects");
if (window)
- argv_array_pushf(&cmd_args, "--window=%s", window);
+ argv_array_pushf(&cmd.args, "--window=%s", window);
if (window_memory)
- argv_array_pushf(&cmd_args, "--window-memory=%s", window_memory);
+ argv_array_pushf(&cmd.args, "--window-memory=%s", window_memory);
if (depth)
- argv_array_pushf(&cmd_args, "--depth=%s", depth);
+ argv_array_pushf(&cmd.args, "--depth=%s", depth);
if (max_pack_size)
- argv_array_pushf(&cmd_args, "--max-pack-size=%s", max_pack_size);
+ argv_array_pushf(&cmd.args, "--max-pack-size=%s", max_pack_size);
if (no_reuse_delta)
- argv_array_pushf(&cmd_args, "--no-reuse-delta");
+ argv_array_pushf(&cmd.args, "--no-reuse-delta");
if (no_reuse_object)
- argv_array_pushf(&cmd_args, "--no-reuse-object");
- if (write_bitmaps >= 0)
- argv_array_pushf(&cmd_args, "--%swrite-bitmap-index",
- write_bitmaps ? "" : "no-");
+ argv_array_pushf(&cmd.args, "--no-reuse-object");
+ if (write_bitmaps)
+ argv_array_push(&cmd.args, "--write-bitmap-index");
if (pack_everything & ALL_INTO_ONE) {
get_non_kept_pack_filenames(&existing_packs);
if (existing_packs.nr && delete_redundant) {
if (unpack_unreachable)
- argv_array_pushf(&cmd_args,
+ argv_array_pushf(&cmd.args,
"--unpack-unreachable=%s",
unpack_unreachable);
else if (pack_everything & LOOSEN_UNREACHABLE)
- argv_array_push(&cmd_args,
+ argv_array_push(&cmd.args,
"--unpack-unreachable");
}
} else {
- argv_array_push(&cmd_args, "--unpacked");
- argv_array_push(&cmd_args, "--incremental");
+ argv_array_push(&cmd.args, "--unpacked");
+ argv_array_push(&cmd.args, "--incremental");
}
if (local)
- argv_array_push(&cmd_args, "--local");
+ argv_array_push(&cmd.args, "--local");
if (quiet)
- argv_array_push(&cmd_args, "--quiet");
+ argv_array_push(&cmd.args, "--quiet");
if (delta_base_offset)
- argv_array_push(&cmd_args, "--delta-base-offset");
+ argv_array_push(&cmd.args, "--delta-base-offset");
- argv_array_push(&cmd_args, packtmp);
+ argv_array_push(&cmd.args, packtmp);
- memset(&cmd, 0, sizeof(cmd));
- cmd.argv = cmd_args.argv;
cmd.git_cmd = 1;
cmd.out = -1;
cmd.no_stdin = 1;
@@ -271,7 +268,6 @@ int cmd_repack(int argc, const char **argv, const char *prefix)
ret = finish_command(&cmd);
if (ret)
return ret;
- argv_array_clear(&cmd_args);
if (!names.nr && !quiet)
printf("Nothing new to pack.\n");
@@ -379,7 +375,8 @@ int cmd_repack(int argc, const char **argv, const char *prefix)
/* End of pack replacement. */
if (delete_redundant) {
- sort_string_list(&names);
+ int opts = 0;
+ string_list_sort(&names);
for_each_string_list_item(item, &existing_packs) {
char *sha1;
size_t len = strlen(item->string);
@@ -389,25 +386,13 @@ int cmd_repack(int argc, const char **argv, const char *prefix)
if (!string_list_has_string(&names, sha1))
remove_redundant_pack(packdir, item->string);
}
- argv_array_push(&cmd_args, "prune-packed");
- if (quiet)
- argv_array_push(&cmd_args, "--quiet");
-
- memset(&cmd, 0, sizeof(cmd));
- cmd.argv = cmd_args.argv;
- cmd.git_cmd = 1;
- run_command(&cmd);
- argv_array_clear(&cmd_args);
+ if (!quiet && isatty(2))
+ opts |= PRUNE_PACKED_VERBOSE;
+ prune_packed_objects(opts);
}
- if (!no_update_server_info) {
- argv_array_push(&cmd_args, "update-server-info");
- memset(&cmd, 0, sizeof(cmd));
- cmd.argv = cmd_args.argv;
- cmd.git_cmd = 1;
- run_command(&cmd);
- argv_array_clear(&cmd_args);
- }
+ if (!no_update_server_info)
+ update_server_info(0);
remove_temporary_files();
string_list_clear(&names, 0);
string_list_clear(&rollback, 0);
diff --git a/builtin/replace.c b/builtin/replace.c
index b62420a..85d39b5 100644
--- a/builtin/replace.c
+++ b/builtin/replace.c
@@ -12,18 +12,22 @@
#include "builtin.h"
#include "refs.h"
#include "parse-options.h"
+#include "run-command.h"
+#include "tag.h"
static const char * const git_replace_usage[] = {
N_("git replace [-f] <object> <replacement>"),
+ N_("git replace [-f] --edit <object>"),
+ N_("git replace [-f] --graft <commit> [<parent>...]"),
N_("git replace -d <object>..."),
N_("git replace [--format=<format>] [-l [<pattern>]]"),
NULL
};
enum replace_format {
- REPLACE_FORMAT_SHORT,
- REPLACE_FORMAT_MEDIUM,
- REPLACE_FORMAT_LONG
+ REPLACE_FORMAT_SHORT,
+ REPLACE_FORMAT_MEDIUM,
+ REPLACE_FORMAT_LONG
};
struct show_data {
@@ -123,26 +127,37 @@ static int delete_replace_ref(const char *name, const char *ref,
return 0;
}
-static int replace_object(const char *object_ref, const char *replace_ref,
- int force)
+static void check_ref_valid(unsigned char object[20],
+ unsigned char prev[20],
+ char *ref,
+ int ref_size,
+ int force)
{
- unsigned char object[20], prev[20], repl[20];
- enum object_type obj_type, repl_type;
- char ref[PATH_MAX];
- struct ref_lock *lock;
-
- if (get_sha1(object_ref, object))
- die("Failed to resolve '%s' as a valid ref.", object_ref);
- if (get_sha1(replace_ref, repl))
- die("Failed to resolve '%s' as a valid ref.", replace_ref);
-
- if (snprintf(ref, sizeof(ref),
+ if (snprintf(ref, ref_size,
"refs/replace/%s",
- sha1_to_hex(object)) > sizeof(ref) - 1)
+ sha1_to_hex(object)) > ref_size - 1)
die("replace ref name too long: %.*s...", 50, ref);
if (check_refname_format(ref, 0))
die("'%s' is not a valid ref name.", ref);
+ if (read_ref(ref, prev))
+ hashclr(prev);
+ else if (!force)
+ die("replace ref '%s' already exists", ref);
+}
+
+static int replace_object_sha1(const char *object_ref,
+ unsigned char object[20],
+ const char *replace_ref,
+ unsigned char repl[20],
+ int force)
+{
+ unsigned char prev[20];
+ enum object_type obj_type, repl_type;
+ char ref[PATH_MAX];
+ struct ref_transaction *transaction;
+ struct strbuf err = STRBUF_INIT;
+
obj_type = sha1_object_info(object, NULL);
repl_type = sha1_object_info(repl, NULL);
if (!force && obj_type != repl_type)
@@ -152,28 +167,274 @@ static int replace_object(const char *object_ref, const char *replace_ref,
object_ref, typename(obj_type),
replace_ref, typename(repl_type));
- if (read_ref(ref, prev))
- hashclr(prev);
- else if (!force)
- die("replace ref '%s' already exists", ref);
+ check_ref_valid(object, prev, ref, sizeof(ref), force);
- lock = lock_any_ref_for_update(ref, prev, 0, NULL);
- if (!lock)
- die("%s: cannot lock the ref", ref);
- if (write_ref_sha1(lock, repl, NULL) < 0)
- die("%s: cannot update the ref", ref);
+ transaction = ref_transaction_begin(&err);
+ if (!transaction ||
+ ref_transaction_update(transaction, ref, repl, prev,
+ 0, 1, NULL, &err) ||
+ ref_transaction_commit(transaction, &err))
+ die("%s", err.buf);
+ ref_transaction_free(transaction);
return 0;
}
+static int replace_object(const char *object_ref, const char *replace_ref, int force)
+{
+ unsigned char object[20], repl[20];
+
+ if (get_sha1(object_ref, object))
+ die("Failed to resolve '%s' as a valid ref.", object_ref);
+ if (get_sha1(replace_ref, repl))
+ die("Failed to resolve '%s' as a valid ref.", replace_ref);
+
+ return replace_object_sha1(object_ref, object, replace_ref, repl, force);
+}
+
+/*
+ * Write the contents of the object named by "sha1" to the file "filename".
+ * If "raw" is true, then the object's raw contents are printed according to
+ * "type". Otherwise, we pretty-print the contents for human editing.
+ */
+static void export_object(const unsigned char *sha1, enum object_type type,
+ int raw, const char *filename)
+{
+ struct child_process cmd = CHILD_PROCESS_INIT;
+ int fd;
+
+ fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC, 0666);
+ if (fd < 0)
+ die_errno("unable to open %s for writing", filename);
+
+ argv_array_push(&cmd.args, "--no-replace-objects");
+ argv_array_push(&cmd.args, "cat-file");
+ if (raw)
+ argv_array_push(&cmd.args, typename(type));
+ else
+ argv_array_push(&cmd.args, "-p");
+ argv_array_push(&cmd.args, sha1_to_hex(sha1));
+ cmd.git_cmd = 1;
+ cmd.out = fd;
+
+ if (run_command(&cmd))
+ die("cat-file reported failure");
+}
+
+/*
+ * Read a previously-exported (and possibly edited) object back from "filename",
+ * interpreting it as "type", and writing the result to the object database.
+ * The sha1 of the written object is returned via sha1.
+ */
+static void import_object(unsigned char *sha1, enum object_type type,
+ int raw, const char *filename)
+{
+ int fd;
+
+ fd = open(filename, O_RDONLY);
+ if (fd < 0)
+ die_errno("unable to open %s for reading", filename);
+
+ if (!raw && type == OBJ_TREE) {
+ const char *argv[] = { "mktree", NULL };
+ struct child_process cmd = CHILD_PROCESS_INIT;
+ struct strbuf result = STRBUF_INIT;
+
+ cmd.argv = argv;
+ cmd.git_cmd = 1;
+ cmd.in = fd;
+ cmd.out = -1;
+
+ if (start_command(&cmd))
+ die("unable to spawn mktree");
+
+ if (strbuf_read(&result, cmd.out, 41) < 0)
+ die_errno("unable to read from mktree");
+ close(cmd.out);
+
+ if (finish_command(&cmd))
+ die("mktree reported failure");
+ if (get_sha1_hex(result.buf, sha1) < 0)
+ die("mktree did not return an object name");
+
+ strbuf_release(&result);
+ } else {
+ struct stat st;
+ int flags = HASH_FORMAT_CHECK | HASH_WRITE_OBJECT;
+
+ if (fstat(fd, &st) < 0)
+ die_errno("unable to fstat %s", filename);
+ if (index_fd(sha1, fd, &st, type, NULL, flags) < 0)
+ die("unable to write object to database");
+ /* index_fd close()s fd for us */
+ }
+
+ /*
+ * No need to close(fd) here; both run-command and index-fd
+ * will have done it for us.
+ */
+}
+
+static int edit_and_replace(const char *object_ref, int force, int raw)
+{
+ char *tmpfile = git_pathdup("REPLACE_EDITOBJ");
+ enum object_type type;
+ unsigned char old[20], new[20], prev[20];
+ char ref[PATH_MAX];
+
+ if (get_sha1(object_ref, old) < 0)
+ die("Not a valid object name: '%s'", object_ref);
+
+ type = sha1_object_info(old, NULL);
+ if (type < 0)
+ die("unable to get object type for %s", sha1_to_hex(old));
+
+ check_ref_valid(old, prev, ref, sizeof(ref), force);
+
+ export_object(old, type, raw, tmpfile);
+ if (launch_editor(tmpfile, NULL, NULL) < 0)
+ die("editing object file failed");
+ import_object(new, type, raw, tmpfile);
+
+ free(tmpfile);
+
+ if (!hashcmp(old, new))
+ return error("new object is the same as the old one: '%s'", sha1_to_hex(old));
+
+ return replace_object_sha1(object_ref, old, "replacement", new, force);
+}
+
+static void replace_parents(struct strbuf *buf, int argc, const char **argv)
+{
+ struct strbuf new_parents = STRBUF_INIT;
+ const char *parent_start, *parent_end;
+ int i;
+
+ /* find existing parents */
+ parent_start = buf->buf;
+ parent_start += 46; /* "tree " + "hex sha1" + "\n" */
+ parent_end = parent_start;
+
+ while (starts_with(parent_end, "parent "))
+ parent_end += 48; /* "parent " + "hex sha1" + "\n" */
+
+ /* prepare new parents */
+ for (i = 0; i < argc; i++) {
+ unsigned char sha1[20];
+ if (get_sha1(argv[i], sha1) < 0)
+ die(_("Not a valid object name: '%s'"), argv[i]);
+ lookup_commit_or_die(sha1, argv[i]);
+ strbuf_addf(&new_parents, "parent %s\n", sha1_to_hex(sha1));
+ }
+
+ /* replace existing parents with new ones */
+ strbuf_splice(buf, parent_start - buf->buf, parent_end - parent_start,
+ new_parents.buf, new_parents.len);
+
+ strbuf_release(&new_parents);
+}
+
+struct check_mergetag_data {
+ int argc;
+ const char **argv;
+};
+
+static void check_one_mergetag(struct commit *commit,
+ struct commit_extra_header *extra,
+ void *data)
+{
+ struct check_mergetag_data *mergetag_data = (struct check_mergetag_data *)data;
+ const char *ref = mergetag_data->argv[0];
+ unsigned char tag_sha1[20];
+ struct tag *tag;
+ int i;
+
+ hash_sha1_file(extra->value, extra->len, typename(OBJ_TAG), tag_sha1);
+ tag = lookup_tag(tag_sha1);
+ if (!tag)
+ die(_("bad mergetag in commit '%s'"), ref);
+ if (parse_tag_buffer(tag, extra->value, extra->len))
+ die(_("malformed mergetag in commit '%s'"), ref);
+
+ /* iterate over new parents */
+ for (i = 1; i < mergetag_data->argc; i++) {
+ unsigned char sha1[20];
+ if (get_sha1(mergetag_data->argv[i], sha1) < 0)
+ die(_("Not a valid object name: '%s'"), mergetag_data->argv[i]);
+ if (!hashcmp(tag->tagged->sha1, sha1))
+ return; /* found */
+ }
+
+ die(_("original commit '%s' contains mergetag '%s' that is discarded; "
+ "use --edit instead of --graft"), ref, sha1_to_hex(tag_sha1));
+}
+
+static void check_mergetags(struct commit *commit, int argc, const char **argv)
+{
+ struct check_mergetag_data mergetag_data;
+
+ mergetag_data.argc = argc;
+ mergetag_data.argv = argv;
+ for_each_mergetag(check_one_mergetag, commit, &mergetag_data);
+}
+
+static int create_graft(int argc, const char **argv, int force)
+{
+ unsigned char old[20], new[20];
+ const char *old_ref = argv[0];
+ struct commit *commit;
+ struct strbuf buf = STRBUF_INIT;
+ const char *buffer;
+ unsigned long size;
+
+ if (get_sha1(old_ref, old) < 0)
+ die(_("Not a valid object name: '%s'"), old_ref);
+ commit = lookup_commit_or_die(old, old_ref);
+
+ buffer = get_commit_buffer(commit, &size);
+ strbuf_add(&buf, buffer, size);
+ unuse_commit_buffer(commit, buffer);
+
+ replace_parents(&buf, argc - 1, &argv[1]);
+
+ if (remove_signature(&buf)) {
+ warning(_("the original commit '%s' has a gpg signature."), old_ref);
+ warning(_("the signature will be removed in the replacement commit!"));
+ }
+
+ check_mergetags(commit, argc, argv);
+
+ if (write_sha1_file(buf.buf, buf.len, commit_type, new))
+ die(_("could not write replacement commit for: '%s'"), old_ref);
+
+ strbuf_release(&buf);
+
+ if (!hashcmp(old, new))
+ return error("new commit is the same as the old one: '%s'", sha1_to_hex(old));
+
+ return replace_object_sha1(old_ref, old, "replacement", new, force);
+}
+
int cmd_replace(int argc, const char **argv, const char *prefix)
{
- int list = 0, delete = 0, force = 0;
+ int force = 0;
+ int raw = 0;
const char *format = NULL;
+ enum {
+ MODE_UNSPECIFIED = 0,
+ MODE_LIST,
+ MODE_DELETE,
+ MODE_EDIT,
+ MODE_GRAFT,
+ MODE_REPLACE
+ } cmdmode = MODE_UNSPECIFIED;
struct option options[] = {
- OPT_BOOL('l', "list", &list, N_("list replace refs")),
- OPT_BOOL('d', "delete", &delete, N_("delete replace refs")),
+ OPT_CMDMODE('l', "list", &cmdmode, N_("list replace refs"), MODE_LIST),
+ OPT_CMDMODE('d', "delete", &cmdmode, N_("delete replace refs"), MODE_DELETE),
+ OPT_CMDMODE('e', "edit", &cmdmode, N_("edit existing object"), MODE_EDIT),
+ OPT_CMDMODE('g', "graft", &cmdmode, N_("change a commit's parents"), MODE_GRAFT),
OPT_BOOL('f', "force", &force, N_("replace the ref if it exists")),
+ OPT_BOOL(0, "raw", &raw, N_("do not pretty-print contents for --edit")),
OPT_STRING(0, "format", &format, N_("format"), N_("use this format")),
OPT_END()
};
@@ -182,44 +443,56 @@ int cmd_replace(int argc, const char **argv, const char *prefix)
argc = parse_options(argc, argv, prefix, options, git_replace_usage, 0);
- if (list && delete)
- usage_msg_opt("-l and -d cannot be used together",
+ if (!cmdmode)
+ cmdmode = argc ? MODE_REPLACE : MODE_LIST;
+
+ if (format && cmdmode != MODE_LIST)
+ usage_msg_opt("--format cannot be used when not listing",
git_replace_usage, options);
- if (format && delete)
- usage_msg_opt("--format and -d cannot be used together",
+ if (force &&
+ cmdmode != MODE_REPLACE &&
+ cmdmode != MODE_EDIT &&
+ cmdmode != MODE_GRAFT)
+ usage_msg_opt("-f only makes sense when writing a replacement",
git_replace_usage, options);
- if (force && (list || delete))
- usage_msg_opt("-f cannot be used with -d or -l",
+ if (raw && cmdmode != MODE_EDIT)
+ usage_msg_opt("--raw only makes sense with --edit",
git_replace_usage, options);
- /* Delete refs */
- if (delete) {
+ switch (cmdmode) {
+ case MODE_DELETE:
if (argc < 1)
usage_msg_opt("-d needs at least one argument",
git_replace_usage, options);
return for_each_replace_name(argv, delete_replace_ref);
- }
- /* Replace object */
- if (!list && argc) {
+ case MODE_REPLACE:
if (argc != 2)
usage_msg_opt("bad number of arguments",
git_replace_usage, options);
- if (format)
- usage_msg_opt("--format cannot be used when not listing",
- git_replace_usage, options);
return replace_object(argv[0], argv[1], force);
- }
- /* List refs, even if "list" is not set */
- if (argc > 1)
- usage_msg_opt("only one pattern can be given with -l",
- git_replace_usage, options);
- if (force)
- usage_msg_opt("-f needs some arguments",
- git_replace_usage, options);
+ case MODE_EDIT:
+ if (argc != 1)
+ usage_msg_opt("-e needs exactly one argument",
+ git_replace_usage, options);
+ return edit_and_replace(argv[0], force, raw);
- return list_replace_refs(argv[0], format);
+ case MODE_GRAFT:
+ if (argc < 1)
+ usage_msg_opt("-g needs at least one argument",
+ git_replace_usage, options);
+ return create_graft(argc, argv, force);
+
+ case MODE_LIST:
+ if (argc > 1)
+ usage_msg_opt("only one pattern can be given with -l",
+ git_replace_usage, options);
+ return list_replace_refs(argv[0], format);
+
+ default:
+ die("BUG: invalid cmdmode %d", (int)cmdmode);
+ }
}
diff --git a/builtin/rerere.c b/builtin/rerere.c
index 98eb8c5..7afadd2 100644
--- a/builtin/rerere.c
+++ b/builtin/rerere.c
@@ -9,7 +9,7 @@
#include "pathspec.h"
static const char * const rerere_usage[] = {
- N_("git rerere [clear | forget path... | status | remaining | diff | gc]"),
+ N_("git rerere [clear | forget <path>... | status | remaining | diff | gc]"),
NULL,
};
diff --git a/builtin/reset.c b/builtin/reset.c
index 6bd6245..4c08ddc 100644
--- a/builtin/reset.c
+++ b/builtin/reset.c
@@ -8,6 +8,7 @@
* Copyright (c) 2005, 2006 Linus Torvalds and Junio C Hamano
*/
#include "builtin.h"
+#include "lockfile.h"
#include "tag.h"
#include "object.h"
#include "commit.h"
@@ -84,7 +85,7 @@ static int reset_index(const unsigned char *sha1, int reset_type, int quiet)
if (reset_type == MIXED || reset_type == HARD) {
tree = parse_tree_indirect(sha1);
- prime_cache_tree(&active_cache_tree, tree);
+ prime_cache_tree(&the_index, tree);
}
return 0;
@@ -252,11 +253,13 @@ static int reset_refs(const char *rev, const unsigned char *sha1)
if (!get_sha1("HEAD", sha1_orig)) {
orig = sha1_orig;
set_reflog_message(&msg, "updating ORIG_HEAD", NULL);
- update_ref(msg.buf, "ORIG_HEAD", orig, old_orig, 0, MSG_ON_ERR);
+ update_ref(msg.buf, "ORIG_HEAD", orig, old_orig, 0,
+ UPDATE_REFS_MSG_ON_ERR);
} else if (old_orig)
delete_ref("ORIG_HEAD", old_orig, 0);
set_reflog_message(&msg, "updating HEAD", rev);
- update_ref_status = update_ref(msg.buf, "HEAD", sha1, orig, 0, MSG_ON_ERR);
+ update_ref_status = update_ref(msg.buf, "HEAD", sha1, orig, 0,
+ UPDATE_REFS_MSG_ON_ERR);
strbuf_release(&msg);
return update_ref_status;
}
@@ -351,7 +354,7 @@ int cmd_reset(int argc, const char **argv, const char *prefix)
if (reset_type != SOFT) {
struct lock_file *lock = xcalloc(1, sizeof(*lock));
- int newfd = hold_locked_index(lock, 1);
+ hold_locked_index(lock, 1);
if (reset_type == MIXED) {
int flags = quiet ? REFRESH_QUIET : REFRESH_IN_PORCELAIN;
if (read_from_tree(&pathspec, sha1, intent_to_add))
@@ -367,8 +370,7 @@ int cmd_reset(int argc, const char **argv, const char *prefix)
die(_("Could not reset index file to revision '%s'."), rev);
}
- if (write_cache(newfd, active_cache, active_nr) ||
- commit_locked_index(lock))
+ if (write_locked_index(&the_index, lock, COMMIT_LOCK))
die(_("Could not write new index file."));
}
diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c
index 1a6122d..3626c61 100644
--- a/builtin/rev-parse.c
+++ b/builtin/rev-parse.c
@@ -11,6 +11,7 @@
#include "parse-options.h"
#include "diff.h"
#include "revision.h"
+#include "split-index.h"
#define DO_REVS 1
#define DO_NOREV 2
@@ -150,6 +151,7 @@ static void show_rev(int type, const unsigned char *sha1, const char *name)
error("refname '%s' is ambiguous", name);
break;
}
+ free(full);
} else {
show_with_type(type, name);
}
@@ -277,7 +279,7 @@ static int try_difference(const char *arg)
struct commit *a, *b;
a = lookup_commit_reference(sha1);
b = lookup_commit_reference(end);
- exclude = get_merge_bases(a, b, 1);
+ exclude = get_merge_bases(a, b);
while (exclude) {
struct commit_list *n = exclude->next;
show_rev(REVERSED,
@@ -356,7 +358,7 @@ static int cmd_parseopt(int argc, const char **argv, const char *prefix)
{
static int keep_dashdash = 0, stop_at_non_option = 0;
static char const * const parseopt_usage[] = {
- N_("git rev-parse --parseopt [options] -- [<args>...]"),
+ N_("git rev-parse --parseopt [<options>] -- [<args>...]"),
NULL
};
static struct option parseopt_opts[] = {
@@ -494,9 +496,9 @@ static void die_no_single_rev(int quiet)
}
static const char builtin_rev_parse_usage[] =
-N_("git rev-parse --parseopt [options] -- [<args>...]\n"
+N_("git rev-parse --parseopt [<options>] -- [<args>...]\n"
" or: git rev-parse --sq-quote [<arg>...]\n"
- " or: git rev-parse [options] [<arg>...]\n"
+ " or: git rev-parse [<options>] [<arg>...]\n"
"\n"
"Run \"git rev-parse --parseopt -h\" for more information on the first usage.");
@@ -506,7 +508,9 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
int has_dashdash = 0;
int output_prefix = 0;
unsigned char sha1[20];
+ unsigned int flags = 0;
const char *name = NULL;
+ struct object_context unused;
if (argc > 1 && !strcmp("--parseopt", argv[1]))
return cmd_parseopt(argc - 1, argv + 1, prefix);
@@ -594,6 +598,7 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
}
if (!strcmp(arg, "--quiet") || !strcmp(arg, "-q")) {
quiet = 1;
+ flags |= GET_SHA1_QUIETLY;
continue;
}
if (!strcmp(arg, "--short") ||
@@ -734,7 +739,7 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
}
if (!strcmp(arg, "--git-dir")) {
const char *gitdir = getenv(GIT_DIR_ENVIRONMENT);
- static char cwd[PATH_MAX];
+ char *cwd;
int len;
if (gitdir) {
puts(gitdir);
@@ -744,10 +749,10 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
puts(".git");
continue;
}
- if (!getcwd(cwd, PATH_MAX))
- die_errno("unable to get current working directory");
+ cwd = xgetcwd();
len = strlen(cwd);
printf("%s%s.git\n", cwd, len && cwd[len-1] != '/' ? "/" : "");
+ free(cwd);
continue;
}
if (!strcmp(arg, "--resolve-git-dir")) {
@@ -775,6 +780,15 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
: "false");
continue;
}
+ if (!strcmp(arg, "--shared-index-path")) {
+ if (read_cache() < 0)
+ die(_("Could not read the index"));
+ if (the_index.split_index) {
+ const unsigned char *sha1 = the_index.split_index->base_sha1;
+ puts(git_path("sharedindex.%s", sha1_to_hex(sha1)));
+ }
+ continue;
+ }
if (starts_with(arg, "--since=")) {
show_datestring("--max-age=", arg+8);
continue;
@@ -807,7 +821,7 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
name++;
type = REVERSED;
}
- if (!get_sha1(name, sha1)) {
+ if (!get_sha1_with_context(name, flags, sha1, &unused)) {
if (verify)
revs_count++;
else
diff --git a/builtin/revert.c b/builtin/revert.c
index f9ed5bd..56a2c36 100644
--- a/builtin/revert.c
+++ b/builtin/revert.c
@@ -19,13 +19,13 @@
*/
static const char * const revert_usage[] = {
- N_("git revert [options] <commit-ish>..."),
+ N_("git revert [<options>] <commit-ish>..."),
N_("git revert <subcommand>"),
NULL
};
static const char * const cherry_pick_usage[] = {
- N_("git cherry-pick [options] <commit-ish>..."),
+ N_("git cherry-pick [<options>] <commit-ish>..."),
N_("git cherry-pick <subcommand>"),
NULL
};
diff --git a/builtin/rm.c b/builtin/rm.c
index 960634d..3304bff 100644
--- a/builtin/rm.c
+++ b/builtin/rm.c
@@ -3,8 +3,8 @@
*
* Copyright (C) Linus Torvalds 2006
*/
-#include "cache.h"
#include "builtin.h"
+#include "lockfile.h"
#include "dir.h"
#include "cache-tree.h"
#include "tree-walk.h"
@@ -14,7 +14,7 @@
#include "pathspec.h"
static const char * const builtin_rm_usage[] = {
- N_("git rm [options] [--] <file>..."),
+ N_("git rm [<options>] [--] <file>..."),
NULL
};
@@ -65,7 +65,7 @@ static void error_removing_concrete_submodules(struct string_list *files, int *e
Q_("the following submodule (or one of its nested "
"submodules)\n"
"uses a .git directory:",
- "the following submodules (or one of its nested "
+ "the following submodules (or one of their nested "
"submodules)\n"
"use a .git directory:", files->nr),
_("\n(use 'rm -rf' if you really want to remove "
@@ -278,7 +278,7 @@ static struct option builtin_rm_options[] = {
int cmd_rm(int argc, const char **argv, const char *prefix)
{
- int i, newfd;
+ int i;
struct pathspec pathspec;
char *seen;
@@ -293,7 +293,7 @@ int cmd_rm(int argc, const char **argv, const char *prefix)
if (!index_only)
setup_work_tree();
- newfd = hold_locked_index(&lock_file, 1);
+ hold_locked_index(&lock_file, 1);
if (read_cache() < 0)
die(_("index file corrupt"));
@@ -427,8 +427,7 @@ int cmd_rm(int argc, const char **argv, const char *prefix)
}
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/send-pack.c b/builtin/send-pack.c
index f420b74..b961e5a 100644
--- a/builtin/send-pack.c
+++ b/builtin/send-pack.c
@@ -13,7 +13,7 @@
#include "sha1-array.h"
static const char send_pack_usage[] =
-"git send-pack [--all | --mirror] [--dry-run] [--force] [--receive-pack=<git-receive-pack>] [--verbose] [--thin] [<host>:]<directory> [<ref>...]\n"
+"git send-pack [--all | --mirror] [--dry-run] [--force] [--receive-pack=<git-receive-pack>] [--verbose] [--thin] [--atomic] [<host>:]<directory> [<ref>...]\n"
" --all and explicit <ref> specification are mutually exclusive.";
static struct send_pack_args args;
@@ -110,6 +110,7 @@ int cmd_send_pack(int argc, const char **argv, const char *prefix)
int flags;
unsigned int reject_reasons;
int progress = -1;
+ int from_stdin = 0;
struct push_cas_option cas = {0};
argv++;
@@ -153,6 +154,10 @@ int cmd_send_pack(int argc, const char **argv, const char *prefix)
args.verbose = 1;
continue;
}
+ if (!strcmp(arg, "--signed")) {
+ args.push_cert = 1;
+ continue;
+ }
if (!strcmp(arg, "--progress")) {
progress = 1;
continue;
@@ -165,10 +170,18 @@ int cmd_send_pack(int argc, const char **argv, const char *prefix)
args.use_thin_pack = 1;
continue;
}
+ if (!strcmp(arg, "--atomic")) {
+ args.atomic = 1;
+ continue;
+ }
if (!strcmp(arg, "--stateless-rpc")) {
args.stateless_rpc = 1;
continue;
}
+ if (!strcmp(arg, "--stdin")) {
+ from_stdin = 1;
+ continue;
+ }
if (!strcmp(arg, "--helper-status")) {
helper_status = 1;
continue;
@@ -201,6 +214,28 @@ int cmd_send_pack(int argc, const char **argv, const char *prefix)
}
if (!dest)
usage(send_pack_usage);
+
+ if (from_stdin) {
+ struct argv_array all_refspecs = ARGV_ARRAY_INIT;
+
+ for (i = 0; i < nr_refspecs; i++)
+ argv_array_push(&all_refspecs, refspecs[i]);
+
+ if (args.stateless_rpc) {
+ const char *buf;
+ while ((buf = packet_read_line(0, NULL)))
+ argv_array_push(&all_refspecs, buf);
+ } else {
+ struct strbuf line = STRBUF_INIT;
+ while (strbuf_getline(&line, stdin, '\n') != EOF)
+ argv_array_push(&all_refspecs, line.buf);
+ strbuf_release(&line);
+ }
+
+ refspecs = all_refspecs.argv;
+ nr_refspecs = all_refspecs.argc;
+ }
+
/*
* --all and --mirror are incompatible; neither makes sense
* with any refspecs.
diff --git a/builtin/shortlog.c b/builtin/shortlog.c
index 4b7e536..c0bab6a 100644
--- a/builtin/shortlog.c
+++ b/builtin/shortlog.c
@@ -10,7 +10,7 @@
#include "parse-options.h"
static char const * const shortlog_usage[] = {
- N_("git shortlog [<options>] [<revision range>] [[--] [<path>...]]"),
+ N_("git shortlog [<options>] [<revision-range>] [[--] [<path>...]]"),
NULL
};
diff --git a/builtin/show-branch.c b/builtin/show-branch.c
index d873172..f3fb5fb 100644
--- a/builtin/show-branch.c
+++ b/builtin/show-branch.c
@@ -6,8 +6,11 @@
#include "parse-options.h"
static const char* show_branch_usage[] = {
- N_("git show-branch [-a|--all] [-r|--remotes] [--topo-order | --date-order] [--current] [--color[=<when>] | --no-color] [--sparse] [--more=<n> | --list | --independent | --merge-base] [--no-name | --sha1-name] [--topics] [(<rev> | <glob>)...]"),
- N_("git show-branch (-g|--reflog)[=<n>[,<base>]] [--list] [<ref>]"),
+ N_("git show-branch [-a | --all] [-r | --remotes] [--topo-order | --date-order]\n"
+ " [--current] [--color[=<when>] | --no-color] [--sparse]\n"
+ " [--more=<n> | --list | --independent | --merge-base]\n"
+ " [--no-name | --sha1-name] [--topics] [(<rev> | <glob>)...]"),
+ N_("git show-branch (-g | --reflog)[=<n>[,<base>]] [--list] [<ref>]"),
NULL
};
@@ -563,7 +566,7 @@ static int git_show_branch_config(const char *var, const char *value, void *cb)
default_arg[default_num++] = "show-branch";
} else if (default_alloc <= default_num + 1) {
default_alloc = default_alloc * 3 / 2 + 20;
- default_arg = xrealloc(default_arg, sizeof *default_arg * default_alloc);
+ REALLOC_ARRAY(default_arg, default_alloc);
}
default_arg[default_num++] = xstrdup(value);
default_arg[default_num] = NULL;
@@ -723,11 +726,14 @@ int cmd_show_branch(int ac, const char **av, const char *prefix)
char nth_desc[256];
char *ref;
int base = 0;
+ unsigned int flags = 0;
if (ac == 0) {
static const char *fake_av[2];
- fake_av[0] = resolve_refdup("HEAD", sha1, 1, NULL);
+ fake_av[0] = resolve_refdup("HEAD",
+ RESOLVE_REF_READING,
+ sha1, NULL);
fake_av[1] = NULL;
av = fake_av;
ac = 1;
@@ -749,18 +755,18 @@ int cmd_show_branch(int ac, const char **av, const char *prefix)
/* Ah, that is a date spec... */
unsigned long at;
at = approxidate(reflog_base);
- read_ref_at(ref, at, -1, sha1, NULL,
+ read_ref_at(ref, flags, at, -1, sha1, NULL,
NULL, NULL, &base);
}
}
for (i = 0; i < reflog; i++) {
- char *logmsg, *m;
+ char *logmsg;
const char *msg;
unsigned long timestamp;
int tz;
- if (read_ref_at(ref, 0, base+i, sha1, &logmsg,
+ if (read_ref_at(ref, flags, 0, base+i, sha1, &logmsg,
&timestamp, &tz, NULL)) {
reflog = i;
break;
@@ -770,15 +776,14 @@ int cmd_show_branch(int ac, const char **av, const char *prefix)
msg = "(none)";
else
msg++;
- m = xmalloc(strlen(msg) + 200);
- sprintf(m, "(%s) %s",
- show_date(timestamp, tz, 1),
- msg);
- reflog_msg[i] = m;
+ reflog_msg[i] = xstrfmt("(%s) %s",
+ show_date(timestamp, tz, 1),
+ msg);
free(logmsg);
sprintf(nth_desc, "%s@{%d}", *av, base+i);
append_ref(nth_desc, sha1, 1);
}
+ free(ref);
}
else if (all_heads + all_remotes)
snarf_refs(all_heads, all_remotes);
@@ -789,7 +794,8 @@ int cmd_show_branch(int ac, const char **av, const char *prefix)
}
}
- head_p = resolve_ref_unsafe("HEAD", head_sha1, 1, NULL);
+ head_p = resolve_ref_unsafe("HEAD", RESOLVE_REF_READING,
+ head_sha1, NULL);
if (head_p) {
head_len = strlen(head_p);
memcpy(head, head_p, head_len + 1);
diff --git a/builtin/show-ref.c b/builtin/show-ref.c
index 5ba1f30..afb1030 100644
--- a/builtin/show-ref.c
+++ b/builtin/show-ref.c
@@ -7,7 +7,7 @@
#include "parse-options.h"
static const char * const show_ref_usage[] = {
- N_("git show-ref [-q|--quiet] [--verify] [--head] [-d|--dereference] [-s|--hash[=<n>]] [--abbrev[=<n>]] [--tags] [--heads] [--] [pattern*] "),
+ N_("git show-ref [-q | --quiet] [--verify] [--head] [-d | --dereference] [-s | --hash[=<n>]] [--abbrev[=<n>]] [--tags] [--heads] [--] [<pattern>...]"),
N_("git show-ref --exclude-existing[=pattern] < ref-list"),
NULL
};
diff --git a/builtin/symbolic-ref.c b/builtin/symbolic-ref.c
index b6a711d..ce0fde7 100644
--- a/builtin/symbolic-ref.c
+++ b/builtin/symbolic-ref.c
@@ -4,8 +4,8 @@
#include "parse-options.h"
static const char * const git_symbolic_ref_usage[] = {
- N_("git symbolic-ref [options] name [ref]"),
- N_("git symbolic-ref -d [-q] name"),
+ N_("git symbolic-ref [<options>] <name> [<ref>]"),
+ N_("git symbolic-ref -d [-q] <name>"),
NULL
};
@@ -13,7 +13,7 @@ static int check_symref(const char *HEAD, int quiet, int shorten, int print)
{
unsigned char sha1[20];
int flag;
- const char *refname = resolve_ref_unsafe(HEAD, sha1, 0, &flag);
+ const char *refname = resolve_ref_unsafe(HEAD, 0, sha1, &flag);
if (!refname)
die("No such ref: %s", HEAD);
diff --git a/builtin/tag.c b/builtin/tag.c
index 6c7c6bd..6dc85a9 100644
--- a/builtin/tag.c
+++ b/builtin/tag.c
@@ -19,9 +19,9 @@
#include "column.h"
static const char * const git_tag_usage[] = {
- N_("git tag [-a|-s|-u <key-id>] [-f] [-m <msg>|-F <file>] <tagname> [<head>]"),
+ N_("git tag [-a | -s | -u <key-id>] [-f] [-m <msg> | -F <file>] <tagname> [<head>]"),
N_("git tag -d <tagname>..."),
- N_("git tag -l [-n[<num>]] [--contains <commit>] [--points-at <object>] "
+ N_("git tag -l [-n[<num>]] [--contains <commit>] [--points-at <object>]"
"\n\t\t[<pattern>...]"),
N_("git tag -v <tagname>..."),
NULL
@@ -32,6 +32,8 @@ static const char * const git_tag_usage[] = {
#define SORT_MASK 0x7fff
#define REVERSE_SORT 0x8000
+static int tag_sort;
+
struct tag_filter {
const char **patterns;
int lines;
@@ -80,11 +82,19 @@ static int in_commit_list(const struct commit_list *want, struct commit *c)
return 0;
}
-static int contains_recurse(struct commit *candidate,
+enum contains_result {
+ CONTAINS_UNKNOWN = -1,
+ CONTAINS_NO = 0,
+ CONTAINS_YES = 1
+};
+
+/*
+ * Test whether the candidate or one of its parents is contained in the list.
+ * Do not recurse to find out, though, but return -1 if inconclusive.
+ */
+static enum contains_result contains_test(struct commit *candidate,
const struct commit_list *want)
{
- struct commit_list *p;
-
/* was it previously marked as containing a want commit? */
if (candidate->object.flags & TMP_MARK)
return 1;
@@ -92,26 +102,78 @@ static int contains_recurse(struct commit *candidate,
if (candidate->object.flags & UNINTERESTING)
return 0;
/* or are we it? */
- if (in_commit_list(want, candidate))
+ if (in_commit_list(want, candidate)) {
+ candidate->object.flags |= TMP_MARK;
return 1;
+ }
if (parse_commit(candidate) < 0)
return 0;
- /* Otherwise recurse and mark ourselves for future traversals. */
- for (p = candidate->parents; p; p = p->next) {
- if (contains_recurse(p->item, want)) {
- candidate->object.flags |= TMP_MARK;
- return 1;
- }
- }
- candidate->object.flags |= UNINTERESTING;
- return 0;
+ return -1;
}
-static int contains(struct commit *candidate, const struct commit_list *want)
+/*
+ * Mimicking the real stack, this stack lives on the heap, avoiding stack
+ * overflows.
+ *
+ * At each recursion step, the stack items points to the commits whose
+ * ancestors are to be inspected.
+ */
+struct stack {
+ int nr, alloc;
+ struct stack_entry {
+ struct commit *commit;
+ struct commit_list *parents;
+ } *stack;
+};
+
+static void push_to_stack(struct commit *candidate, struct stack *stack)
{
- return contains_recurse(candidate, want);
+ int index = stack->nr++;
+ ALLOC_GROW(stack->stack, stack->nr, stack->alloc);
+ stack->stack[index].commit = candidate;
+ stack->stack[index].parents = candidate->parents;
+}
+
+static enum contains_result contains(struct commit *candidate,
+ const struct commit_list *want)
+{
+ struct stack stack = { 0, 0, NULL };
+ int result = contains_test(candidate, want);
+
+ if (result != CONTAINS_UNKNOWN)
+ return result;
+
+ push_to_stack(candidate, &stack);
+ while (stack.nr) {
+ struct stack_entry *entry = &stack.stack[stack.nr - 1];
+ struct commit *commit = entry->commit;
+ struct commit_list *parents = entry->parents;
+
+ if (!parents) {
+ commit->object.flags |= UNINTERESTING;
+ stack.nr--;
+ }
+ /*
+ * If we just popped the stack, parents->item has been marked,
+ * therefore contains_test will return a meaningful 0 or 1.
+ */
+ else switch (contains_test(parents->item, want)) {
+ case CONTAINS_YES:
+ commit->object.flags |= TMP_MARK;
+ stack.nr--;
+ break;
+ case CONTAINS_NO:
+ entry->parents = parents->next;
+ break;
+ case CONTAINS_UNKNOWN:
+ push_to_stack(parents->item, &stack);
+ break;
+ }
+ }
+ free(stack.stack);
+ return contains_test(candidate, want);
}
static void show_tag_lines(const unsigned char *sha1, int lines)
@@ -278,17 +340,59 @@ static int do_sign(struct strbuf *buffer)
}
static const char tag_template[] =
- N_("\nWrite a tag message\n"
+ N_("\nWrite a message for tag:\n %s\n"
"Lines starting with '%c' will be ignored.\n");
static const char tag_template_nocleanup[] =
- N_("\nWrite a tag message\n"
+ N_("\nWrite a message for tag:\n %s\n"
"Lines starting with '%c' will be kept; you may remove them"
" yourself if you want to.\n");
+/*
+ * Parse a sort string, and return 0 if parsed successfully. Will return
+ * non-zero when the sort string does not parse into a known type. If var is
+ * given, the error message becomes a warning and includes information about
+ * the configuration value.
+ */
+static int parse_sort_string(const char *var, const char *arg, int *sort)
+{
+ int type = 0, flags = 0;
+
+ if (skip_prefix(arg, "-", &arg))
+ flags |= REVERSE_SORT;
+
+ if (skip_prefix(arg, "version:", &arg) || skip_prefix(arg, "v:", &arg))
+ type = VERCMP_SORT;
+ else
+ type = STRCMP_SORT;
+
+ if (strcmp(arg, "refname")) {
+ if (!var)
+ return error(_("unsupported sort specification '%s'"), arg);
+ else {
+ warning(_("unsupported sort specification '%s' in variable '%s'"),
+ var, arg);
+ return -1;
+ }
+ }
+
+ *sort = (type | flags);
+
+ return 0;
+}
+
static int git_tag_config(const char *var, const char *value, void *cb)
{
- int status = git_gpg_config(var, value, cb);
+ int status;
+
+ if (!strcmp(var, "tag.sort")) {
+ if (!value)
+ return config_error_nonbool(var);
+ parse_sort_string(var, value, &tag_sort);
+ return 0;
+ }
+
+ status = git_gpg_config(var, value, cb);
if (status)
return status;
if (starts_with(var, "column."))
@@ -378,9 +482,9 @@ static void create_tag(const unsigned char *object, const char *tag,
struct strbuf buf = STRBUF_INIT;
strbuf_addch(&buf, '\n');
if (opt->cleanup_mode == CLEANUP_ALL)
- strbuf_commented_addf(&buf, _(tag_template), comment_line_char);
+ strbuf_commented_addf(&buf, _(tag_template), tag, comment_line_char);
else
- strbuf_commented_addf(&buf, _(tag_template_nocleanup), comment_line_char);
+ strbuf_commented_addf(&buf, _(tag_template_nocleanup), tag, comment_line_char);
write_or_die(fd, buf.buf, buf.len);
strbuf_release(&buf);
}
@@ -462,24 +566,8 @@ static int parse_opt_points_at(const struct option *opt __attribute__((unused)),
static int parse_opt_sort(const struct option *opt, const char *arg, int unset)
{
int *sort = opt->value;
- int flags = 0;
- if (*arg == '-') {
- flags |= REVERSE_SORT;
- arg++;
- }
- if (starts_with(arg, "version:")) {
- *sort = VERCMP_SORT;
- arg += 8;
- } else if (starts_with(arg, "v:")) {
- *sort = VERCMP_SORT;
- arg += 2;
- } else
- *sort = STRCMP_SORT;
- if (strcmp(arg, "refname"))
- die(_("unsupported sort specification %s"), arg);
- *sort |= flags;
- return 0;
+ return parse_sort_string(NULL, arg, sort);
}
int cmd_tag(int argc, const char **argv, const char *prefix)
@@ -488,14 +576,15 @@ int cmd_tag(int argc, const char **argv, const char *prefix)
struct strbuf ref = STRBUF_INIT;
unsigned char object[20], prev[20];
const char *object_ref, *tag;
- struct ref_lock *lock;
struct create_tag_options opt;
char *cleanup_arg = NULL;
int annotate = 0, force = 0, lines = -1;
- int cmdmode = 0, sort = 0;
+ int cmdmode = 0;
const char *msgfile = NULL, *keyid = NULL;
struct msg_arg msg = { 0, STRBUF_INIT };
struct commit_list *with_commit = NULL;
+ struct ref_transaction *transaction;
+ struct strbuf err = STRBUF_INIT;
struct option options[] = {
OPT_CMDMODE('l', "list", &cmdmode, N_("list tag names"), 'l'),
{ OPTION_INTEGER, 'n', NULL, &lines, N_("n"),
@@ -518,7 +607,7 @@ int cmd_tag(int argc, const char **argv, const char *prefix)
OPT__FORCE(&force, N_("replace the tag if exists")),
OPT_COLUMN(0, "column", &colopts, N_("show tag list in columns")),
{
- OPTION_CALLBACK, 0, "sort", &sort, N_("type"), N_("sort tags"),
+ OPTION_CALLBACK, 0, "sort", &tag_sort, N_("type"), N_("sort tags"),
PARSE_OPT_NONEG, parse_opt_sort
},
@@ -574,9 +663,9 @@ int cmd_tag(int argc, const char **argv, const char *prefix)
copts.padding = 2;
run_column_filter(colopts, &copts);
}
- if (lines != -1 && sort)
+ if (lines != -1 && tag_sort)
die(_("--sort and -n are incompatible"));
- ret = list_tags(argv, lines == -1 ? 0 : lines, with_commit, sort);
+ ret = list_tags(argv, lines == -1 ? 0 : lines, with_commit, tag_sort);
if (column_active(colopts))
stop_column_filter();
return ret;
@@ -641,14 +730,17 @@ int cmd_tag(int argc, const char **argv, const char *prefix)
if (annotate)
create_tag(object, tag, &buf, &opt, prev, object);
- lock = lock_any_ref_for_update(ref.buf, prev, 0, NULL);
- if (!lock)
- die(_("%s: cannot lock the ref"), ref.buf);
- if (write_ref_sha1(lock, object, NULL) < 0)
- die(_("%s: cannot update the ref"), ref.buf);
+ transaction = ref_transaction_begin(&err);
+ if (!transaction ||
+ ref_transaction_update(transaction, ref.buf, object, prev,
+ 0, 1, NULL, &err) ||
+ ref_transaction_commit(transaction, &err))
+ die("%s", err.buf);
+ ref_transaction_free(transaction);
if (force && !is_null_sha1(prev) && hashcmp(prev, object))
printf(_("Updated tag '%s' (was %s)\n"), tag, find_unique_abbrev(prev, DEFAULT_ABBREV));
+ strbuf_release(&err);
strbuf_release(&buf);
strbuf_release(&ref);
return 0;
diff --git a/builtin/unpack-objects.c b/builtin/unpack-objects.c
index 99cde45..ac66672 100644
--- a/builtin/unpack-objects.c
+++ b/builtin/unpack-objects.c
@@ -91,7 +91,7 @@ static void use(int bytes)
static void *get_data(unsigned long size)
{
git_zstream stream;
- void *buf = xmalloc(size);
+ void *buf = xmallocz(size);
memset(&stream, 0, sizeof(stream));
@@ -164,10 +164,10 @@ static unsigned nr_objects;
* Called only from check_object() after it verified this object
* is Ok.
*/
-static void write_cached_object(struct object *obj)
+static void write_cached_object(struct object *obj, struct obj_buffer *obj_buf)
{
unsigned char sha1[20];
- struct obj_buffer *obj_buf = lookup_object_buffer(obj);
+
if (write_sha1_file(obj_buf->buffer, obj_buf->size, typename(obj->type), sha1) < 0)
die("failed to write object %s", sha1_to_hex(obj->sha1));
obj->flags |= FLAG_WRITTEN;
@@ -180,6 +180,8 @@ static void write_cached_object(struct object *obj)
*/
static int check_object(struct object *obj, int type, void *data)
{
+ struct obj_buffer *obj_buf;
+
if (!obj)
return 1;
@@ -198,11 +200,15 @@ static int check_object(struct object *obj, int type, void *data)
return 0;
}
- if (fsck_object(obj, 1, fsck_error_function))
+ obj_buf = lookup_object_buffer(obj);
+ if (!obj_buf)
+ die("Whoops! Cannot find object '%s'", sha1_to_hex(obj->sha1));
+ if (fsck_object(obj, obj_buf->buffer, obj_buf->size, 1,
+ fsck_error_function))
die("Error in object");
if (fsck_walk(obj, check_object, NULL))
die("Error on reachable objects of %s", sha1_to_hex(obj->sha1));
- write_cached_object(obj);
+ write_cached_object(obj, obj_buf);
return 0;
}
diff --git a/builtin/update-index.c b/builtin/update-index.c
index ebea285..5878986 100644
--- a/builtin/update-index.c
+++ b/builtin/update-index.c
@@ -4,6 +4,7 @@
* Copyright (C) Linus Torvalds, 2005
*/
#include "cache.h"
+#include "lockfile.h"
#include "quote.h"
#include "cache-tree.h"
#include "tree-walk.h"
@@ -13,6 +14,7 @@
#include "parse-options.h"
#include "pathspec.h"
#include "dir.h"
+#include "split-index.h"
/*
* Default to not allowing changes to the list of files. The
@@ -55,8 +57,9 @@ static int mark_ce_flags(const char *path, int flag, int mark)
active_cache[pos]->ce_flags |= flag;
else
active_cache[pos]->ce_flags &= ~flag;
- cache_tree_invalidate_path(active_cache_tree, path);
- active_cache_changed = 1;
+ active_cache[pos]->ce_flags |= CE_UPDATE_IN_BASE;
+ cache_tree_invalidate_path(&the_index, path);
+ active_cache_changed |= CE_ENTRY_CHANGED;
return 0;
}
return -1;
@@ -267,8 +270,9 @@ static void chmod_path(int flip, const char *path)
default:
goto fail;
}
- cache_tree_invalidate_path(active_cache_tree, path);
- active_cache_changed = 1;
+ cache_tree_invalidate_path(&the_index, path);
+ ce->ce_flags |= CE_UPDATE_IN_BASE;
+ active_cache_changed |= CE_ENTRY_CHANGED;
report("chmod %cx '%s'", flip, path);
return;
fail:
@@ -396,7 +400,7 @@ static void read_index_info(int line_termination)
}
static const char * const update_index_usage[] = {
- N_("git update-index [options] [--] [<file>...]"),
+ N_("git update-index [<options>] [--] [<file>...]"),
NULL
};
@@ -743,6 +747,7 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
char set_executable_bit = 0;
struct refresh_params refresh_args = {0, &has_errors};
int lock_error = 0;
+ int split_index = -1;
struct lock_file *lock_file;
struct parse_opt_ctx_t ctx;
int parseopt_state = PARSE_OPT_UNKNOWN;
@@ -825,6 +830,8 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
resolve_undo_clear_callback},
OPT_INTEGER(0, "index-version", &preferred_index_format,
N_("write index in this format")),
+ OPT_BOOL(0, "split-index", &split_index,
+ N_("enable or disable split index")),
OPT_END()
};
@@ -892,7 +899,7 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
INDEX_FORMAT_LB, INDEX_FORMAT_UB);
if (the_index.version != preferred_index_format)
- active_cache_changed = 1;
+ active_cache_changed |= SOMETHING_CHANGED;
the_index.version = preferred_index_format;
}
@@ -918,14 +925,27 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
strbuf_release(&buf);
}
+ if (split_index > 0) {
+ init_split_index(&the_index);
+ the_index.cache_changed |= SPLIT_INDEX_ORDERED;
+ } else if (!split_index && the_index.split_index) {
+ /*
+ * can't discard_split_index(&the_index); because that
+ * will destroy split_index->base->cache[], which may
+ * be shared with the_index.cache[]. So yeah we're
+ * leaking a bit here.
+ */
+ the_index.split_index = NULL;
+ the_index.cache_changed |= SOMETHING_CHANGED;
+ }
+
if (active_cache_changed) {
if (newfd < 0) {
if (refresh_args.flags & REFRESH_QUIET)
exit(128);
- unable_to_lock_index_die(get_index_file(), lock_error);
+ unable_to_lock_die(get_index_file(), lock_error);
}
- 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/update-ref.c b/builtin/update-ref.c
index 5c208bb..2497ba4 100644
--- a/builtin/update-ref.c
+++ b/builtin/update-ref.c
@@ -6,249 +6,352 @@
#include "argv-array.h"
static const char * const git_update_ref_usage[] = {
- N_("git update-ref [options] -d <refname> [<oldval>]"),
- N_("git update-ref [options] <refname> <newval> [<oldval>]"),
- N_("git update-ref [options] --stdin [-z]"),
+ N_("git update-ref [<options>] -d <refname> [<old-val>]"),
+ N_("git update-ref [<options>] <refname> <new-val> [<old-val>]"),
+ N_("git update-ref [<options>] --stdin [-z]"),
NULL
};
-static int updates_alloc;
-static int updates_count;
-static const struct ref_update **updates;
-
static char line_termination = '\n';
static int update_flags;
-
-static struct ref_update *update_alloc(void)
-{
- struct ref_update *update;
-
- /* Allocate and zero-init a struct ref_update */
- update = xcalloc(1, sizeof(*update));
- ALLOC_GROW(updates, updates_count + 1, updates_alloc);
- updates[updates_count++] = update;
-
- /* Store and reset accumulated options */
- update->flags = update_flags;
- update_flags = 0;
-
- return update;
-}
-
-static void update_store_ref_name(struct ref_update *update,
- const char *ref_name)
-{
- if (check_refname_format(ref_name, REFNAME_ALLOW_ONELEVEL))
- die("invalid ref format: %s", ref_name);
- update->ref_name = xstrdup(ref_name);
-}
-
-static void update_store_new_sha1(struct ref_update *update,
- const char *newvalue)
-{
- if (*newvalue && get_sha1(newvalue, update->new_sha1))
- die("invalid new value for ref %s: %s",
- update->ref_name, newvalue);
-}
-
-static void update_store_old_sha1(struct ref_update *update,
- const char *oldvalue)
-{
- if (*oldvalue && get_sha1(oldvalue, update->old_sha1))
- die("invalid old value for ref %s: %s",
- update->ref_name, oldvalue);
-
- /* We have an old value if non-empty, or if empty without -z */
- update->have_old = *oldvalue || line_termination;
-}
-
+static const char *msg;
+
+/*
+ * Parse one whitespace- or NUL-terminated, possibly C-quoted argument
+ * and append the result to arg. Return a pointer to the terminator.
+ * Die if there is an error in how the argument is C-quoted. This
+ * function is only used if not -z.
+ */
static const char *parse_arg(const char *next, struct strbuf *arg)
{
- /* Parse SP-terminated, possibly C-quoted argument */
- if (*next != '"')
+ if (*next == '"') {
+ const char *orig = next;
+
+ if (unquote_c_style(arg, next, &next))
+ die("badly quoted argument: %s", orig);
+ if (*next && !isspace(*next))
+ die("unexpected character after quoted argument: %s", orig);
+ } else {
while (*next && !isspace(*next))
strbuf_addch(arg, *next++);
- else if (unquote_c_style(arg, next, &next))
- die("badly quoted argument: %s", next);
+ }
- /* Return position after the argument */
return next;
}
-static const char *parse_first_arg(const char *next, struct strbuf *arg)
+/*
+ * Parse the reference name immediately after "command SP". If not
+ * -z, then handle C-quoting. Return a pointer to a newly allocated
+ * string containing the name of the reference, or NULL if there was
+ * an error. Update *next to point at the character that terminates
+ * the argument. Die if C-quoting is malformed or the reference name
+ * is invalid.
+ */
+static char *parse_refname(struct strbuf *input, const char **next)
{
- /* Parse argument immediately after "command SP" */
- strbuf_reset(arg);
+ struct strbuf ref = STRBUF_INIT;
+
if (line_termination) {
/* Without -z, use the next argument */
- next = parse_arg(next, arg);
+ *next = parse_arg(*next, &ref);
} else {
- /* With -z, use rest of first NUL-terminated line */
- strbuf_addstr(arg, next);
- next = next + arg->len;
+ /* With -z, use everything up to the next NUL */
+ strbuf_addstr(&ref, *next);
+ *next += ref.len;
}
- return next;
+
+ if (!ref.len) {
+ strbuf_release(&ref);
+ return NULL;
+ }
+
+ if (check_refname_format(ref.buf, REFNAME_ALLOW_ONELEVEL))
+ die("invalid ref format: %s", ref.buf);
+
+ return strbuf_detach(&ref, NULL);
}
-static const char *parse_next_arg(const char *next, struct strbuf *arg)
+/*
+ * The value being parsed is <oldvalue> (as opposed to <newvalue>; the
+ * difference affects which error messages are generated):
+ */
+#define PARSE_SHA1_OLD 0x01
+
+/*
+ * For backwards compatibility, accept an empty string for update's
+ * <newvalue> in binary mode to be equivalent to specifying zeros.
+ */
+#define PARSE_SHA1_ALLOW_EMPTY 0x02
+
+/*
+ * Parse an argument separator followed by the next argument, if any.
+ * If there is an argument, convert it to a SHA-1, write it to sha1,
+ * set *next to point at the character terminating the argument, and
+ * return 0. If there is no argument at all (not even the empty
+ * string), return 1 and leave *next unchanged. If the value is
+ * provided but cannot be converted to a SHA-1, die. flags can
+ * include PARSE_SHA1_OLD and/or PARSE_SHA1_ALLOW_EMPTY.
+ */
+static int parse_next_sha1(struct strbuf *input, const char **next,
+ unsigned char *sha1,
+ const char *command, const char *refname,
+ int flags)
{
- /* Parse next SP-terminated or NUL-terminated argument, if any */
- strbuf_reset(arg);
+ struct strbuf arg = STRBUF_INIT;
+ int ret = 0;
+
+ if (*next == input->buf + input->len)
+ goto eof;
+
if (line_termination) {
/* Without -z, consume SP and use next argument */
- if (!*next)
- return NULL;
- if (*next != ' ')
- die("expected SP but got: %s", next);
- next = parse_arg(next + 1, arg);
+ if (!**next || **next == line_termination)
+ return 1;
+ if (**next != ' ')
+ die("%s %s: expected SP but got: %s",
+ command, refname, *next);
+ (*next)++;
+ *next = parse_arg(*next, &arg);
+ if (arg.len) {
+ if (get_sha1(arg.buf, sha1))
+ goto invalid;
+ } else {
+ /* Without -z, an empty value means all zeros: */
+ hashclr(sha1);
+ }
} else {
/* With -z, read the next NUL-terminated line */
- if (*next)
- die("expected NUL but got: %s", next);
- if (strbuf_getline(arg, stdin, '\0') == EOF)
- return NULL;
- next = arg->buf + arg->len;
+ if (**next)
+ die("%s %s: expected NUL but got: %s",
+ command, refname, *next);
+ (*next)++;
+ if (*next == input->buf + input->len)
+ goto eof;
+ strbuf_addstr(&arg, *next);
+ *next += arg.len;
+
+ if (arg.len) {
+ if (get_sha1(arg.buf, sha1))
+ goto invalid;
+ } else if (flags & PARSE_SHA1_ALLOW_EMPTY) {
+ /* With -z, treat an empty value as all zeros: */
+ warning("%s %s: missing <newvalue>, treating as zero",
+ command, refname);
+ hashclr(sha1);
+ } else {
+ /*
+ * With -z, an empty non-required value means
+ * unspecified:
+ */
+ ret = 1;
+ }
}
- return next;
+
+ strbuf_release(&arg);
+
+ return ret;
+
+ invalid:
+ die(flags & PARSE_SHA1_OLD ?
+ "%s %s: invalid <oldvalue>: %s" :
+ "%s %s: invalid <newvalue>: %s",
+ command, refname, arg.buf);
+
+ eof:
+ die(flags & PARSE_SHA1_OLD ?
+ "%s %s: unexpected end of input when reading <oldvalue>" :
+ "%s %s: unexpected end of input when reading <newvalue>",
+ command, refname);
}
-static void parse_cmd_update(const char *next)
+
+/*
+ * The following five parse_cmd_*() functions parse the corresponding
+ * command. In each case, next points at the character following the
+ * command name and the following space. They each return a pointer
+ * to the character terminating the command, and die with an
+ * explanatory message if there are any parsing problems. All of
+ * these functions handle either text or binary format input,
+ * depending on how line_termination is set.
+ */
+
+static const char *parse_cmd_update(struct ref_transaction *transaction,
+ struct strbuf *input, const char *next)
{
- struct strbuf ref = STRBUF_INIT;
- struct strbuf newvalue = STRBUF_INIT;
- struct strbuf oldvalue = STRBUF_INIT;
- struct ref_update *update;
+ struct strbuf err = STRBUF_INIT;
+ char *refname;
+ unsigned char new_sha1[20];
+ unsigned char old_sha1[20];
+ int have_old;
- update = update_alloc();
+ refname = parse_refname(input, &next);
+ if (!refname)
+ die("update: missing <ref>");
- if ((next = parse_first_arg(next, &ref)) != NULL && ref.buf[0])
- update_store_ref_name(update, ref.buf);
- else
- die("update line missing <ref>");
+ if (parse_next_sha1(input, &next, new_sha1, "update", refname,
+ PARSE_SHA1_ALLOW_EMPTY))
+ die("update %s: missing <newvalue>", refname);
- if ((next = parse_next_arg(next, &newvalue)) != NULL)
- update_store_new_sha1(update, newvalue.buf);
- else
- die("update %s missing <newvalue>", ref.buf);
+ have_old = !parse_next_sha1(input, &next, old_sha1, "update", refname,
+ PARSE_SHA1_OLD);
+
+ if (*next != line_termination)
+ die("update %s: extra input: %s", refname, next);
- if ((next = parse_next_arg(next, &oldvalue)) != NULL)
- update_store_old_sha1(update, oldvalue.buf);
- else if(!line_termination)
- die("update %s missing [<oldvalue>] NUL", ref.buf);
+ if (ref_transaction_update(transaction, refname, new_sha1, old_sha1,
+ update_flags, have_old, msg, &err))
+ die("%s", err.buf);
+
+ update_flags = 0;
+ free(refname);
+ strbuf_release(&err);
- if (next && *next)
- die("update %s has extra input: %s", ref.buf, next);
+ return next;
}
-static void parse_cmd_create(const char *next)
+static const char *parse_cmd_create(struct ref_transaction *transaction,
+ struct strbuf *input, const char *next)
{
- struct strbuf ref = STRBUF_INIT;
- struct strbuf newvalue = STRBUF_INIT;
- struct ref_update *update;
+ struct strbuf err = STRBUF_INIT;
+ char *refname;
+ unsigned char new_sha1[20];
- update = update_alloc();
- update->have_old = 1;
+ refname = parse_refname(input, &next);
+ if (!refname)
+ die("create: missing <ref>");
- if ((next = parse_first_arg(next, &ref)) != NULL && ref.buf[0])
- update_store_ref_name(update, ref.buf);
- else
- die("create line missing <ref>");
+ if (parse_next_sha1(input, &next, new_sha1, "create", refname, 0))
+ die("create %s: missing <newvalue>", refname);
- if ((next = parse_next_arg(next, &newvalue)) != NULL)
- update_store_new_sha1(update, newvalue.buf);
- else
- die("create %s missing <newvalue>", ref.buf);
- if (is_null_sha1(update->new_sha1))
- die("create %s given zero new value", ref.buf);
+ if (is_null_sha1(new_sha1))
+ die("create %s: zero <newvalue>", refname);
+
+ if (*next != line_termination)
+ die("create %s: extra input: %s", refname, next);
+
+ if (ref_transaction_create(transaction, refname, new_sha1,
+ update_flags, msg, &err))
+ die("%s", err.buf);
+
+ update_flags = 0;
+ free(refname);
+ strbuf_release(&err);
- if (next && *next)
- die("create %s has extra input: %s", ref.buf, next);
+ return next;
}
-static void parse_cmd_delete(const char *next)
+static const char *parse_cmd_delete(struct ref_transaction *transaction,
+ struct strbuf *input, const char *next)
{
- struct strbuf ref = STRBUF_INIT;
- struct strbuf oldvalue = STRBUF_INIT;
- struct ref_update *update;
+ struct strbuf err = STRBUF_INIT;
+ char *refname;
+ unsigned char old_sha1[20];
+ int have_old;
+
+ refname = parse_refname(input, &next);
+ if (!refname)
+ die("delete: missing <ref>");
+
+ if (parse_next_sha1(input, &next, old_sha1, "delete", refname,
+ PARSE_SHA1_OLD)) {
+ have_old = 0;
+ } else {
+ if (is_null_sha1(old_sha1))
+ die("delete %s: zero <oldvalue>", refname);
+ have_old = 1;
+ }
- update = update_alloc();
+ if (*next != line_termination)
+ die("delete %s: extra input: %s", refname, next);
- if ((next = parse_first_arg(next, &ref)) != NULL && ref.buf[0])
- update_store_ref_name(update, ref.buf);
- else
- die("delete line missing <ref>");
+ if (ref_transaction_delete(transaction, refname, old_sha1,
+ update_flags, have_old, msg, &err))
+ die("%s", err.buf);
- if ((next = parse_next_arg(next, &oldvalue)) != NULL)
- update_store_old_sha1(update, oldvalue.buf);
- else if(!line_termination)
- die("delete %s missing [<oldvalue>] NUL", ref.buf);
- if (update->have_old && is_null_sha1(update->old_sha1))
- die("delete %s given zero old value", ref.buf);
+ update_flags = 0;
+ free(refname);
+ strbuf_release(&err);
- if (next && *next)
- die("delete %s has extra input: %s", ref.buf, next);
+ return next;
}
-static void parse_cmd_verify(const char *next)
+static const char *parse_cmd_verify(struct ref_transaction *transaction,
+ struct strbuf *input, const char *next)
{
- struct strbuf ref = STRBUF_INIT;
- struct strbuf value = STRBUF_INIT;
- struct ref_update *update;
+ struct strbuf err = STRBUF_INIT;
+ char *refname;
+ unsigned char new_sha1[20];
+ unsigned char old_sha1[20];
- update = update_alloc();
+ refname = parse_refname(input, &next);
+ if (!refname)
+ die("verify: missing <ref>");
- if ((next = parse_first_arg(next, &ref)) != NULL && ref.buf[0])
- update_store_ref_name(update, ref.buf);
- else
- die("verify line missing <ref>");
+ if (parse_next_sha1(input, &next, old_sha1, "verify", refname,
+ PARSE_SHA1_OLD))
+ hashclr(old_sha1);
- if ((next = parse_next_arg(next, &value)) != NULL) {
- update_store_old_sha1(update, value.buf);
- update_store_new_sha1(update, value.buf);
- } else if(!line_termination)
- die("verify %s missing [<oldvalue>] NUL", ref.buf);
+ hashcpy(new_sha1, old_sha1);
- if (next && *next)
- die("verify %s has extra input: %s", ref.buf, next);
+ if (*next != line_termination)
+ die("verify %s: extra input: %s", refname, next);
+
+ if (ref_transaction_update(transaction, refname, new_sha1, old_sha1,
+ update_flags, 1, msg, &err))
+ die("%s", err.buf);
+
+ update_flags = 0;
+ free(refname);
+ strbuf_release(&err);
+
+ return next;
}
-static void parse_cmd_option(const char *next)
+static const char *parse_cmd_option(struct strbuf *input, const char *next)
{
- if (!strcmp(next, "no-deref"))
+ if (!strncmp(next, "no-deref", 8) && next[8] == line_termination)
update_flags |= REF_NODEREF;
else
die("option unknown: %s", next);
+ return next + 8;
}
-static void update_refs_stdin(void)
+static void update_refs_stdin(struct ref_transaction *transaction)
{
- struct strbuf cmd = STRBUF_INIT;
+ struct strbuf input = STRBUF_INIT;
+ const char *next;
+ if (strbuf_read(&input, 0, 1000) < 0)
+ die_errno("could not read from stdin");
+ next = input.buf;
/* Read each line dispatch its command */
- while (strbuf_getline(&cmd, stdin, line_termination) != EOF)
- if (!cmd.buf[0])
+ while (next < input.buf + input.len) {
+ if (*next == line_termination)
die("empty command in input");
- else if (isspace(*cmd.buf))
- die("whitespace before command: %s", cmd.buf);
- else if (starts_with(cmd.buf, "update "))
- parse_cmd_update(cmd.buf + 7);
- else if (starts_with(cmd.buf, "create "))
- parse_cmd_create(cmd.buf + 7);
- else if (starts_with(cmd.buf, "delete "))
- parse_cmd_delete(cmd.buf + 7);
- else if (starts_with(cmd.buf, "verify "))
- parse_cmd_verify(cmd.buf + 7);
- else if (starts_with(cmd.buf, "option "))
- parse_cmd_option(cmd.buf + 7);
+ else if (isspace(*next))
+ die("whitespace before command: %s", next);
+ else if (starts_with(next, "update "))
+ next = parse_cmd_update(transaction, &input, next + 7);
+ else if (starts_with(next, "create "))
+ next = parse_cmd_create(transaction, &input, next + 7);
+ else if (starts_with(next, "delete "))
+ next = parse_cmd_delete(transaction, &input, next + 7);
+ else if (starts_with(next, "verify "))
+ next = parse_cmd_verify(transaction, &input, next + 7);
+ else if (starts_with(next, "option "))
+ next = parse_cmd_option(&input, next + 7);
else
- die("unknown command: %s", cmd.buf);
+ die("unknown command: %s", next);
+
+ next++;
+ }
- strbuf_release(&cmd);
+ strbuf_release(&input);
}
int cmd_update_ref(int argc, const char **argv, const char *prefix)
{
- const char *refname, *oldval, *msg = NULL;
+ const char *refname, *oldval;
unsigned char sha1[20], oldsha1[20];
int delete = 0, no_deref = 0, read_stdin = 0, end_null = 0, flags = 0;
struct option options[] = {
@@ -268,12 +371,22 @@ int cmd_update_ref(int argc, const char **argv, const char *prefix)
die("Refusing to perform update with empty message.");
if (read_stdin) {
+ struct strbuf err = STRBUF_INIT;
+ struct ref_transaction *transaction;
+
+ transaction = ref_transaction_begin(&err);
+ if (!transaction)
+ die("%s", err.buf);
if (delete || no_deref || argc > 0)
usage_with_options(git_update_ref_usage, options);
if (end_null)
line_termination = '\0';
- update_refs_stdin();
- return update_refs(msg, updates, updates_count, DIE_ON_ERR);
+ update_refs_stdin(transaction);
+ if (ref_transaction_commit(transaction, &err))
+ die("%s", err.buf);
+ ref_transaction_free(transaction);
+ strbuf_release(&err);
+ return 0;
}
if (end_null)
@@ -305,5 +418,5 @@ int cmd_update_ref(int argc, const char **argv, const char *prefix)
return delete_ref(refname, oldval ? oldsha1 : NULL, flags);
else
return update_ref(msg, refname, sha1, oldval ? oldsha1 : NULL,
- flags, DIE_ON_ERR);
+ flags, UPDATE_REFS_DIE_ON_ERR);
}
diff --git a/builtin/verify-commit.c b/builtin/verify-commit.c
new file mode 100644
index 0000000..ec0c4e3
--- /dev/null
+++ b/builtin/verify-commit.c
@@ -0,0 +1,93 @@
+/*
+ * Builtin "git commit-commit"
+ *
+ * Copyright (c) 2014 Michael J Gruber <git@drmicha.warpmail.net>
+ *
+ * Based on git-verify-tag
+ */
+#include "cache.h"
+#include "builtin.h"
+#include "commit.h"
+#include "run-command.h"
+#include <signal.h>
+#include "parse-options.h"
+#include "gpg-interface.h"
+
+static const char * const verify_commit_usage[] = {
+ N_("git verify-commit [-v | --verbose] <commit>..."),
+ NULL
+};
+
+static int run_gpg_verify(const unsigned char *sha1, const char *buf, unsigned long size, int verbose)
+{
+ struct signature_check signature_check;
+
+ memset(&signature_check, 0, sizeof(signature_check));
+
+ check_commit_signature(lookup_commit(sha1), &signature_check);
+
+ if (verbose && signature_check.payload)
+ fputs(signature_check.payload, stdout);
+
+ if (signature_check.gpg_output)
+ fputs(signature_check.gpg_output, stderr);
+
+ signature_check_clear(&signature_check);
+ return signature_check.result != 'G';
+}
+
+static int verify_commit(const char *name, int verbose)
+{
+ enum object_type type;
+ unsigned char sha1[20];
+ char *buf;
+ unsigned long size;
+ int ret;
+
+ if (get_sha1(name, sha1))
+ return error("commit '%s' not found.", name);
+
+ buf = read_sha1_file(sha1, &type, &size);
+ if (!buf)
+ return error("%s: unable to read file.", name);
+ if (type != OBJ_COMMIT)
+ return error("%s: cannot verify a non-commit object of type %s.",
+ name, typename(type));
+
+ ret = run_gpg_verify(sha1, buf, size, verbose);
+
+ free(buf);
+ return ret;
+}
+
+static int git_verify_commit_config(const char *var, const char *value, void *cb)
+{
+ int status = git_gpg_config(var, value, cb);
+ if (status)
+ return status;
+ return git_default_config(var, value, cb);
+}
+
+int cmd_verify_commit(int argc, const char **argv, const char *prefix)
+{
+ int i = 1, verbose = 0, had_error = 0;
+ const struct option verify_commit_options[] = {
+ OPT__VERBOSE(&verbose, N_("print commit contents")),
+ OPT_END()
+ };
+
+ git_config(git_verify_commit_config, NULL);
+
+ argc = parse_options(argc, argv, prefix, verify_commit_options,
+ verify_commit_usage, PARSE_OPT_KEEP_ARGV0);
+ if (argc <= i)
+ usage_with_options(verify_commit_usage, verify_commit_options);
+
+ /* sometimes the program was terminated because this signal
+ * was received in the process of writing the gpg input: */
+ signal(SIGPIPE, SIG_IGN);
+ while (i < argc)
+ if (verify_commit(argv[i++], verbose))
+ had_error = 1;
+ return had_error;
+}
diff --git a/builtin/verify-pack.c b/builtin/verify-pack.c
index 66cd2df..c94e156 100644
--- a/builtin/verify-pack.c
+++ b/builtin/verify-pack.c
@@ -8,7 +8,7 @@
static int verify_one_pack(const char *path, unsigned int flags)
{
- struct child_process index_pack;
+ struct child_process index_pack = CHILD_PROCESS_INIT;
const char *argv[] = {"index-pack", NULL, NULL, NULL };
struct strbuf arg = STRBUF_INIT;
int verbose = flags & VERIFY_PACK_VERBOSE;
@@ -27,13 +27,11 @@ static int verify_one_pack(const char *path, unsigned int flags)
* normalize these forms to "foo.pack" for "index-pack --verify".
*/
strbuf_addstr(&arg, path);
- if (has_extension(arg.buf, ".idx"))
- strbuf_splice(&arg, arg.len - 3, 3, "pack", 4);
- else if (!has_extension(arg.buf, ".pack"))
- strbuf_add(&arg, ".pack", 5);
+ if (strbuf_strip_suffix(&arg, ".idx") ||
+ !ends_with(arg.buf, ".pack"))
+ strbuf_addstr(&arg, ".pack");
argv[2] = arg.buf;
- memset(&index_pack, 0, sizeof(index_pack));
index_pack.argv = argv;
index_pack.git_cmd = 1;
@@ -53,7 +51,7 @@ static int verify_one_pack(const char *path, unsigned int flags)
}
static const char * const verify_pack_usage[] = {
- N_("git verify-pack [-v|--verbose] [-s|--stat-only] <pack>..."),
+ N_("git verify-pack [-v | --verbose] [-s | --stat-only] <pack>..."),
NULL
};
diff --git a/builtin/verify-tag.c b/builtin/verify-tag.c
index 9cdf332..53c68fc 100644
--- a/builtin/verify-tag.c
+++ b/builtin/verify-tag.c
@@ -14,7 +14,7 @@
#include "gpg-interface.h"
static const char * const verify_tag_usage[] = {
- N_("git verify-tag [-v|--verbose] <tag>..."),
+ N_("git verify-tag [-v | --verbose] <tag>..."),
NULL
};