summaryrefslogtreecommitdiff
path: root/builtin/checkout.c
diff options
context:
space:
mode:
Diffstat (limited to 'builtin/checkout.c')
-rw-r--r--builtin/checkout.c170
1 files changed, 104 insertions, 66 deletions
diff --git a/builtin/checkout.c b/builtin/checkout.c
index a9c1b5a..0f57397 100644
--- a/builtin/checkout.c
+++ b/builtin/checkout.c
@@ -35,6 +35,7 @@ struct checkout_opts {
int force_detach;
int writeout_stage;
int overwrite_ignore;
+ int ignore_skipworktree;
const char *new_branch;
const char *new_branch_force;
@@ -45,7 +46,7 @@ struct checkout_opts {
int branch_exists;
const char *prefix;
- const char **pathspec;
+ struct pathspec pathspec;
struct tree *source_tree;
};
@@ -82,12 +83,9 @@ static int update_some(const unsigned char *sha1, const char *base, int baselen,
return 0;
}
-static int read_tree_some(struct tree *tree, const char **pathspec)
+static int read_tree_some(struct tree *tree, const struct pathspec *pathspec)
{
- struct pathspec ps;
- init_pathspec(&ps, pathspec);
- read_tree_recursive(tree, "", 0, 0, &ps, update_some, NULL);
- free_pathspec(&ps);
+ read_tree_recursive(tree, "", 0, 0, pathspec, update_some, NULL);
/* update the index with the given tree's info
* for all args, expanding wildcards, and exit
@@ -96,7 +94,7 @@ static int read_tree_some(struct tree *tree, const char **pathspec)
return 0;
}
-static int skip_same_name(struct cache_entry *ce, int pos)
+static int skip_same_name(const struct cache_entry *ce, int pos)
{
while (++pos < active_nr &&
!strcmp(active_cache[pos]->name, ce->name))
@@ -104,7 +102,7 @@ static int skip_same_name(struct cache_entry *ce, int pos)
return pos;
}
-static int check_stage(int stage, struct cache_entry *ce, int pos)
+static int check_stage(int stage, const struct cache_entry *ce, int pos)
{
while (pos < active_nr &&
!strcmp(active_cache[pos]->name, ce->name)) {
@@ -118,7 +116,7 @@ static int check_stage(int stage, struct cache_entry *ce, int pos)
return error(_("path '%s' does not have their version"), ce->name);
}
-static int check_stages(unsigned stages, struct cache_entry *ce, int pos)
+static int check_stages(unsigned stages, const struct cache_entry *ce, int pos)
{
unsigned seen = 0;
const char *name = ce->name;
@@ -227,8 +225,6 @@ static int checkout_paths(const struct checkout_opts *opts,
int flag;
struct commit *head;
int errs = 0;
- int stage = opts->writeout_stage;
- int merge = opts->merge;
int newfd;
struct lock_file *lock_file;
@@ -256,45 +252,76 @@ static int checkout_paths(const struct checkout_opts *opts,
if (opts->patch_mode)
return run_add_interactive(revision, "--patch=checkout",
- opts->pathspec);
+ &opts->pathspec);
lock_file = xcalloc(1, sizeof(struct lock_file));
newfd = hold_locked_index(lock_file, 1);
- if (read_cache_preload(opts->pathspec) < 0)
+ if (read_cache_preload(&opts->pathspec) < 0)
return error(_("corrupt index file"));
if (opts->source_tree)
- read_tree_some(opts->source_tree, opts->pathspec);
+ read_tree_some(opts->source_tree, &opts->pathspec);
- for (pos = 0; opts->pathspec[pos]; pos++)
- ;
- ps_matched = xcalloc(1, pos);
+ ps_matched = xcalloc(1, opts->pathspec.nr);
+ /*
+ * Make sure all pathspecs participated in locating the paths
+ * to be checked out.
+ */
for (pos = 0; pos < active_nr; pos++) {
struct cache_entry *ce = active_cache[pos];
+ ce->ce_flags &= ~CE_MATCHED;
+ if (!opts->ignore_skipworktree && ce_skip_worktree(ce))
+ continue;
if (opts->source_tree && !(ce->ce_flags & CE_UPDATE))
+ /*
+ * "git checkout tree-ish -- path", but this entry
+ * is in the original index; it will not be checked
+ * out to the working tree and it does not matter
+ * if pathspec matched this entry. We will not do
+ * anything to this entry at all.
+ */
continue;
- match_pathspec(opts->pathspec, ce->name, ce_namelen(ce), 0, ps_matched);
+ /*
+ * Either this entry came from the tree-ish we are
+ * checking the paths out of, or we are checking out
+ * of the index.
+ *
+ * If it comes from the tree-ish, we already know it
+ * matches the pathspec and could just stamp
+ * CE_MATCHED to it from update_some(). But we still
+ * need ps_matched and read_tree_recursive (and
+ * eventually tree_entry_interesting) cannot fill
+ * ps_matched yet. Once it can, we can avoid calling
+ * match_pathspec() for _all_ entries when
+ * opts->source_tree != NULL.
+ */
+ if (match_pathspec_depth(&opts->pathspec, ce->name, ce_namelen(ce),
+ 0, ps_matched))
+ ce->ce_flags |= CE_MATCHED;
}
- if (report_path_error(ps_matched, opts->pathspec, opts->prefix))
+ if (report_path_error(ps_matched, &opts->pathspec, opts->prefix)) {
+ free(ps_matched);
return 1;
+ }
+ free(ps_matched);
/* "checkout -m path" to recreate conflicted state */
if (opts->merge)
- unmerge_cache(opts->pathspec);
+ unmerge_marked_index(&the_index);
/* Any unmerged paths? */
for (pos = 0; pos < active_nr; pos++) {
- struct cache_entry *ce = active_cache[pos];
- if (match_pathspec(opts->pathspec, ce->name, ce_namelen(ce), 0, NULL)) {
+ const struct cache_entry *ce = active_cache[pos];
+ if (ce->ce_flags & CE_MATCHED) {
if (!ce_stage(ce))
continue;
if (opts->force) {
warning(_("path '%s' is unmerged"), ce->name);
- } else if (stage) {
- errs |= check_stage(stage, ce, pos);
+ } else if (opts->writeout_stage) {
+ errs |= check_stage(opts->writeout_stage, ce, pos);
} else if (opts->merge) {
errs |= check_stages((1<<2) | (1<<3), ce, pos);
} else {
@@ -313,16 +340,14 @@ static int checkout_paths(const struct checkout_opts *opts,
state.refresh_cache = 1;
for (pos = 0; pos < active_nr; pos++) {
struct cache_entry *ce = active_cache[pos];
- if (opts->source_tree && !(ce->ce_flags & CE_UPDATE))
- continue;
- if (match_pathspec(opts->pathspec, ce->name, ce_namelen(ce), 0, NULL)) {
+ if (ce->ce_flags & CE_MATCHED) {
if (!ce_stage(ce)) {
errs |= checkout_entry(ce, &state, NULL);
continue;
}
- if (stage)
- errs |= checkout_stage(stage, ce, pos, &state);
- else if (merge)
+ if (opts->writeout_stage)
+ errs |= checkout_stage(opts->writeout_stage, ce, pos, &state);
+ else if (opts->merge)
errs |= checkout_merged(pos, &state);
pos = skip_same_name(ce, pos) - 1;
}
@@ -555,7 +580,7 @@ static void update_refs_for_switch(const struct checkout_opts *opts,
struct branch_info *new)
{
struct strbuf msg = STRBUF_INIT;
- const char *old_desc;
+ const char *old_desc, *reflog_msg;
if (opts->new_branch) {
if (opts->new_orphan_branch) {
if (opts->new_branch_log && !log_all_ref_updates) {
@@ -588,8 +613,13 @@ static void update_refs_for_switch(const struct checkout_opts *opts,
old_desc = old->name;
if (!old_desc && old->commit)
old_desc = sha1_to_hex(old->commit->object.sha1);
- strbuf_addf(&msg, "checkout: moving from %s to %s",
- old_desc ? old_desc : "(invalid)", new->name);
+
+ reflog_msg = getenv("GIT_REFLOG_ACTION");
+ if (!reflog_msg)
+ strbuf_addf(&msg, "checkout: moving from %s to %s",
+ old_desc ? old_desc : "(invalid)", new->name);
+ else
+ strbuf_insert(&msg, 0, reflog_msg, strlen(reflog_msg));
if (!strcmp(new->name, "HEAD") && !new->path && !opts->force_detach) {
/* Nothing to do. */
@@ -700,7 +730,7 @@ 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"),
- sha1_to_hex(commit->object.sha1));
+ find_unique_abbrev(commit->object.sha1, DEFAULT_ABBREV));
}
/*
@@ -793,38 +823,43 @@ static int git_checkout_config(const char *var, const char *value, void *cb)
}
struct tracking_name_data {
- const char *name;
- char *remote;
+ /* const */ char *src_ref;
+ char *dst_ref;
+ unsigned char *dst_sha1;
int unique;
};
-static int check_tracking_name(const char *refname, const unsigned char *sha1,
- int flags, void *cb_data)
+static int check_tracking_name(struct remote *remote, void *cb_data)
{
struct tracking_name_data *cb = cb_data;
- const char *slash;
-
- if (prefixcmp(refname, "refs/remotes/"))
+ struct refspec query;
+ memset(&query, 0, sizeof(struct refspec));
+ query.src = cb->src_ref;
+ if (remote_find_tracking(remote, &query) ||
+ get_sha1(query.dst, cb->dst_sha1)) {
+ free(query.dst);
return 0;
- slash = strchr(refname + 13, '/');
- if (!slash || strcmp(slash + 1, cb->name))
- return 0;
- if (cb->remote) {
+ }
+ if (cb->dst_ref) {
+ free(query.dst);
cb->unique = 0;
return 0;
}
- cb->remote = xstrdup(refname);
+ cb->dst_ref = query.dst;
return 0;
}
-static const char *unique_tracking_name(const char *name)
+static const char *unique_tracking_name(const char *name, unsigned char *sha1)
{
- struct tracking_name_data cb_data = { NULL, NULL, 1 };
- cb_data.name = name;
- for_each_ref(check_tracking_name, &cb_data);
+ struct tracking_name_data cb_data = { NULL, NULL, NULL, 1 };
+ char src_ref[PATH_MAX];
+ snprintf(src_ref, PATH_MAX, "refs/heads/%s", name);
+ cb_data.src_ref = src_ref;
+ cb_data.dst_sha1 = sha1;
+ for_each_remote(check_tracking_name, &cb_data);
if (cb_data.unique)
- return cb_data.remote;
- free(cb_data.remote);
+ return cb_data.dst_ref;
+ free(cb_data.dst_ref);
return NULL;
}
@@ -887,8 +922,8 @@ static int parse_branchname_arg(int argc, const char **argv,
if (dwim_new_local_branch_ok &&
!check_filename(NULL, arg) &&
argc == 1) {
- const char *remote = unique_tracking_name(arg);
- if (!remote || get_sha1(remote, rev))
+ const char *remote = unique_tracking_name(arg, rev);
+ if (!remote)
return argcount;
*new_branch = arg;
arg = remote;
@@ -960,7 +995,7 @@ static int switch_unborn_to_new_branch(const struct checkout_opts *opts)
static int checkout_branch(struct checkout_opts *opts,
struct branch_info *new)
{
- if (opts->pathspec)
+ if (opts->pathspec.nr)
die(_("paths cannot be used with switching branches"));
if (opts->patch_mode)
@@ -1014,8 +1049,8 @@ int cmd_checkout(int argc, const char **argv, const char *prefix)
N_("create and checkout a new branch")),
OPT_STRING('B', NULL, &opts.new_branch_force, N_("branch"),
N_("create/reset and checkout a branch")),
- OPT_BOOLEAN('l', NULL, &opts.new_branch_log, N_("create reflog for new branch")),
- OPT_BOOLEAN(0, "detach", &opts.force_detach, N_("detach the HEAD at named commit")),
+ OPT_BOOL('l', NULL, &opts.new_branch_log, N_("create reflog for new branch")),
+ OPT_BOOL(0, "detach", &opts.force_detach, N_("detach the HEAD at named commit")),
OPT_SET_INT('t', "track", &opts.track, N_("set upstream info for new branch"),
BRANCH_TRACK_EXPLICIT),
OPT_STRING(0, "orphan", &opts.new_orphan_branch, N_("new branch"), N_("new unparented branch")),
@@ -1024,14 +1059,15 @@ int cmd_checkout(int argc, const char **argv, const char *prefix)
OPT_SET_INT('3', "theirs", &opts.writeout_stage, N_("checkout their version for unmerged files"),
3),
OPT__FORCE(&opts.force, N_("force checkout (throw away local modifications)")),
- OPT_BOOLEAN('m', "merge", &opts.merge, N_("perform a 3-way merge with the new branch")),
- OPT_BOOLEAN(0, "overwrite-ignore", &opts.overwrite_ignore, N_("update ignored files (default)")),
+ OPT_BOOL('m', "merge", &opts.merge, N_("perform a 3-way merge with the new branch")),
+ OPT_BOOL(0, "overwrite-ignore", &opts.overwrite_ignore, N_("update ignored files (default)")),
OPT_STRING(0, "conflict", &conflict_style, N_("style"),
N_("conflict style (merge or diff3)")),
- OPT_BOOLEAN('p', "patch", &opts.patch_mode, N_("select hunks interactively")),
- { OPTION_BOOLEAN, 0, "guess", &dwim_new_local_branch, NULL,
- N_("second guess 'git checkout no-such-branch'"),
- PARSE_OPT_NOARG | PARSE_OPT_HIDDEN },
+ OPT_BOOL('p', "patch", &opts.patch_mode, N_("select hunks interactively")),
+ 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'")),
OPT_END(),
};
@@ -1110,9 +1146,11 @@ int cmd_checkout(int argc, const char **argv, const char *prefix)
}
if (argc) {
- opts.pathspec = get_pathspec(prefix, argv);
+ parse_pathspec(&opts.pathspec, 0,
+ opts.patch_mode ? PATHSPEC_PREFIX_ORIGIN : 0,
+ prefix, argv);
- if (!opts.pathspec)
+ if (!opts.pathspec.nr)
die(_("invalid path specification"));
/*
@@ -1144,7 +1182,7 @@ int cmd_checkout(int argc, const char **argv, const char *prefix)
strbuf_release(&buf);
}
- if (opts.patch_mode || opts.pathspec)
+ if (opts.patch_mode || opts.pathspec.nr)
return checkout_paths(&opts, new.name);
else
return checkout_branch(&opts, &new);