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Diffstat (limited to 'builtin/checkout.c')
-rw-r--r--builtin/checkout.c168
1 files changed, 112 insertions, 56 deletions
diff --git a/builtin/checkout.c b/builtin/checkout.c
index 3634a3dac1..8bc94d392b 100644
--- a/builtin/checkout.c
+++ b/builtin/checkout.c
@@ -70,6 +70,8 @@ struct checkout_opts {
int checkout_worktree;
const char *ignore_unmerged_opt;
int ignore_unmerged;
+ int pathspec_file_nul;
+ const char *pathspec_from_file;
const char *new_branch;
const char *new_branch_force;
@@ -86,6 +88,19 @@ struct checkout_opts {
struct tree *source_tree;
};
+struct branch_info {
+ const char *name; /* The short name used */
+ const char *path; /* The full name of a real branch */
+ struct commit *commit; /* The named commit */
+ char *refname; /* The full name of the ref being checked out. */
+ struct object_id oid; /* The object ID of the commit being checked out. */
+ /*
+ * if not null the branch is detached because it's already
+ * checked out in this checkout
+ */
+ char *checkout;
+};
+
static int post_checkout_hook(struct commit *old_commit, struct commit *new_commit,
int changed)
{
@@ -335,7 +350,8 @@ static void mark_ce_for_checkout_no_overlay(struct cache_entry *ce,
}
}
-static int checkout_worktree(const struct checkout_opts *opts)
+static int checkout_worktree(const struct checkout_opts *opts,
+ const struct branch_info *info)
{
struct checkout state = CHECKOUT_INIT;
int nr_checkouts = 0, nr_unmerged = 0;
@@ -346,6 +362,10 @@ static int checkout_worktree(const struct checkout_opts *opts)
state.refresh_cache = 1;
state.istate = &the_index;
+ init_checkout_metadata(&state.meta, info->refname,
+ info->commit ? &info->commit->object.oid : &info->oid,
+ NULL);
+
enable_delayed_checkout(&state);
for (pos = 0; pos < active_nr; pos++) {
struct cache_entry *ce = active_cache[pos];
@@ -394,7 +414,7 @@ static int checkout_worktree(const struct checkout_opts *opts)
}
static int checkout_paths(const struct checkout_opts *opts,
- const char *revision)
+ const struct branch_info *new_branch_info)
{
int pos;
static char *ps_matched;
@@ -460,7 +480,7 @@ static int checkout_paths(const struct checkout_opts *opts,
else
BUG("either flag must have been set, worktree=%d, index=%d",
opts->checkout_worktree, opts->checkout_index);
- return run_add_interactive(revision, patch_mode, &opts->pathspec);
+ return run_add_interactive(new_branch_info->name, patch_mode, &opts->pathspec);
}
repo_hold_locked_index(the_repository, &lock_file, LOCK_DIE_ON_ERROR);
@@ -521,7 +541,9 @@ static int checkout_paths(const struct checkout_opts *opts,
/* Now we are committed to check them out */
if (opts->checkout_worktree)
- errs |= checkout_worktree(opts);
+ errs |= checkout_worktree(opts, new_branch_info);
+ else
+ remove_marked_cache_entries(&the_index, 1);
/*
* Allow updating the index when checking out from the index.
@@ -582,7 +604,8 @@ static void describe_detached_head(const char *msg, struct commit *commit)
}
static int reset_tree(struct tree *tree, const struct checkout_opts *o,
- int worktree, int *writeout_error)
+ int worktree, int *writeout_error,
+ struct branch_info *info)
{
struct unpack_trees_options opts;
struct tree_desc tree_desc;
@@ -597,6 +620,11 @@ static int reset_tree(struct tree *tree, const struct checkout_opts *o,
opts.verbose_update = o->show_progress;
opts.src_index = &the_index;
opts.dst_index = &the_index;
+ init_checkout_metadata(&opts.meta, info->refname,
+ info->commit ? &info->commit->object.oid :
+ is_null_oid(&info->oid) ? &tree->object.oid :
+ &info->oid,
+ NULL);
parse_tree(tree);
init_tree_desc(&tree_desc, tree->buffer, tree->size);
switch (unpack_trees(1, &tree_desc, &opts)) {
@@ -616,21 +644,17 @@ static int reset_tree(struct tree *tree, const struct checkout_opts *o,
}
}
-struct branch_info {
- const char *name; /* The short name used */
- const char *path; /* The full name of a real branch */
- struct commit *commit; /* The named commit */
- /*
- * if not null the branch is detached because it's already
- * checked out in this checkout
- */
- char *checkout;
-};
-
static void setup_branch_path(struct branch_info *branch)
{
struct strbuf buf = STRBUF_INIT;
+ /*
+ * If this is a ref, resolve it; otherwise, look up the OID for our
+ * expression. Failure here is okay.
+ */
+ if (!dwim_ref(branch->name, strlen(branch->name), &branch->oid, &branch->refname))
+ repo_get_oid_committish(the_repository, branch->name, &branch->oid);
+
strbuf_branchname(&buf, branch->name, INTERPRET_BRANCH_LOCAL);
if (strcmp(buf.buf, branch->name))
branch->name = xstrdup(buf.buf);
@@ -659,7 +683,7 @@ static int merge_working_tree(const struct checkout_opts *opts,
} else
new_tree = get_commit_tree(new_branch_info->commit);
if (opts->discard_changes) {
- ret = reset_tree(new_tree, opts, 1, writeout_error);
+ ret = reset_tree(new_tree, opts, 1, writeout_error, new_branch_info);
if (ret)
return ret;
} else {
@@ -688,6 +712,10 @@ static int merge_working_tree(const struct checkout_opts *opts,
topts.quiet = opts->merge && old_branch_info->commit;
topts.verbose_update = opts->show_progress;
topts.fn = twoway_merge;
+ init_checkout_metadata(&topts.meta, new_branch_info->refname,
+ new_branch_info->commit ?
+ &new_branch_info->commit->object.oid :
+ &new_branch_info->oid, NULL);
if (opts->overwrite_ignore) {
topts.dir = xcalloc(1, sizeof(*topts.dir));
topts.dir->flags |= DIR_SHOW_IGNORED;
@@ -758,7 +786,7 @@ static int merge_working_tree(const struct checkout_opts *opts,
ret = reset_tree(new_tree,
opts, 1,
- writeout_error);
+ writeout_error, new_branch_info);
if (ret)
return ret;
o.ancestor = old_branch_info->name;
@@ -778,7 +806,7 @@ static int merge_working_tree(const struct checkout_opts *opts,
exit(128);
ret = reset_tree(new_tree,
opts, 0,
- writeout_error);
+ writeout_error, new_branch_info);
strbuf_release(&o.obuf);
strbuf_release(&old_commit_shortname);
if (ret)
@@ -861,7 +889,7 @@ static void update_refs_for_switch(const struct checkout_opts *opts,
strbuf_addf(&msg, "checkout: moving from %s to %s",
old_desc ? old_desc : "(invalid)", new_branch_info->name);
else
- strbuf_insert(&msg, 0, reflog_msg, strlen(reflog_msg));
+ strbuf_insertstr(&msg, 0, reflog_msg);
if (!strcmp(new_branch_info->name, "HEAD") && !new_branch_info->path && !opts->force_detach) {
/* Nothing to do. */
@@ -1113,12 +1141,43 @@ static void setup_new_branch_info_and_source_tree(
}
}
+static const char *parse_remote_branch(const char *arg,
+ struct object_id *rev,
+ int could_be_checkout_paths)
+{
+ int num_matches = 0;
+ const char *remote = unique_tracking_name(arg, rev, &num_matches);
+
+ if (remote && could_be_checkout_paths) {
+ die(_("'%s' could be both a local file and a tracking branch.\n"
+ "Please use -- (and optionally --no-guess) to disambiguate"),
+ arg);
+ }
+
+ if (!remote && num_matches > 1) {
+ if (advice_checkout_ambiguous_remote_branch_name) {
+ advise(_("If you meant to check out a remote tracking branch on, e.g. 'origin',\n"
+ "you can do so by fully qualifying the name with the --track option:\n"
+ "\n"
+ " git checkout --track origin/<name>\n"
+ "\n"
+ "If you'd like to always have checkouts of an ambiguous <name> prefer\n"
+ "one remote, e.g. the 'origin' remote, consider setting\n"
+ "checkout.defaultRemote=origin in your config."));
+ }
+
+ die(_("'%s' matched multiple (%d) remote tracking branches"),
+ arg, num_matches);
+ }
+
+ return remote;
+}
+
static int parse_branchname_arg(int argc, const char **argv,
int dwim_new_local_branch_ok,
struct branch_info *new_branch_info,
struct checkout_opts *opts,
- struct object_id *rev,
- int *dwim_remotes_matched)
+ struct object_id *rev)
{
const char **new_branch = &opts->new_branch;
int argcount = 0;
@@ -1223,13 +1282,9 @@ static int parse_branchname_arg(int argc, const char **argv,
recover_with_dwim = 0;
if (recover_with_dwim) {
- const char *remote = unique_tracking_name(arg, rev,
- dwim_remotes_matched);
+ const char *remote = parse_remote_branch(arg, rev,
+ could_be_checkout_paths);
if (remote) {
- if (could_be_checkout_paths)
- die(_("'%s' could be both a local file and a tracking branch.\n"
- "Please use -- (and optionally --no-guess) to disambiguate"),
- arg);
*new_branch = arg;
arg = remote;
/* DWIMmed to create local branch, case (3).(b) */
@@ -1480,6 +1535,8 @@ static struct option *add_checkout_path_options(struct checkout_opts *opts,
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_PATHSPEC_FROM_FILE(&opts->pathspec_from_file),
+ OPT_PATHSPEC_FILE_NUL(&opts->pathspec_file_nul),
OPT_END()
};
struct option *newopts = parse_options_concat(prevopts, options);
@@ -1492,7 +1549,6 @@ static int checkout_main(int argc, const char **argv, const char *prefix,
const char * const usagestr[])
{
struct branch_info new_branch_info;
- int dwim_remotes_matched = 0;
int parseopt_flags = 0;
memset(&new_branch_info, 0, sizeof(new_branch_info));
@@ -1600,8 +1656,7 @@ static int checkout_main(int argc, const char **argv, const char *prefix,
opts->track == BRANCH_TRACK_UNSPECIFIED &&
!opts->new_branch;
int n = parse_branchname_arg(argc, argv, dwim_ok,
- &new_branch_info, opts, &rev,
- &dwim_remotes_matched);
+ &new_branch_info, opts, &rev);
argv += n;
argc -= n;
} else if (!opts->accept_ref && opts->from_treeish) {
@@ -1618,10 +1673,6 @@ static int checkout_main(int argc, const char **argv, const char *prefix,
die(_("reference is not a tree: %s"), opts->from_treeish);
}
- if (opts->accept_pathspec && !opts->empty_pathspec_ok && !argc &&
- !opts->patch_mode) /* patch mode is special */
- die(_("you must specify path(s) to restore"));
-
if (argc) {
parse_pathspec(&opts->pathspec, 0,
opts->patch_mode ? PATHSPEC_PREFIX_ORIGIN : 0,
@@ -1641,10 +1692,33 @@ static int checkout_main(int argc, const char **argv, const char *prefix,
if (opts->force_detach)
die(_("git checkout: --detach does not take a path argument '%s'"),
argv[0]);
+ }
+
+ if (opts->pathspec_from_file) {
+ if (opts->pathspec.nr)
+ die(_("--pathspec-from-file is incompatible with pathspec arguments"));
+
+ if (opts->force_detach)
+ die(_("--pathspec-from-file is incompatible with --detach"));
+
+ if (opts->patch_mode)
+ die(_("--pathspec-from-file is incompatible with --patch"));
+ parse_pathspec_file(&opts->pathspec, 0,
+ 0,
+ prefix, opts->pathspec_from_file, opts->pathspec_file_nul);
+ } else if (opts->pathspec_file_nul) {
+ die(_("--pathspec-file-nul requires --pathspec-from-file"));
+ }
+
+ if (opts->pathspec.nr) {
if (1 < !!opts->writeout_stage + !!opts->force + !!opts->merge)
die(_("git checkout: --ours/--theirs, --force and --merge are incompatible when\n"
"checking out of the index."));
+ } else {
+ if (opts->accept_pathspec && !opts->empty_pathspec_ok &&
+ !opts->patch_mode) /* patch mode is special */
+ die(_("you must specify path(s) to restore"));
}
if (opts->new_branch) {
@@ -1659,28 +1733,10 @@ static int checkout_main(int argc, const char **argv, const char *prefix,
}
UNLEAK(opts);
- if (opts->patch_mode || opts->pathspec.nr) {
- int ret = checkout_paths(opts, new_branch_info.name);
- if (ret && dwim_remotes_matched > 1 &&
- advice_checkout_ambiguous_remote_branch_name)
- advise(_("'%s' matched more than one remote tracking branch.\n"
- "We found %d remotes with a reference that matched. So we fell back\n"
- "on trying to resolve the argument as a path, but failed there too!\n"
- "\n"
- "If you meant to check out a remote tracking branch on, e.g. 'origin',\n"
- "you can do so by fully qualifying the name with the --track option:\n"
- "\n"
- " git checkout --track origin/<name>\n"
- "\n"
- "If you'd like to always have checkouts of an ambiguous <name> prefer\n"
- "one remote, e.g. the 'origin' remote, consider setting\n"
- "checkout.defaultRemote=origin in your config."),
- argv[0],
- dwim_remotes_matched);
- return ret;
- } else {
+ if (opts->patch_mode || opts->pathspec.nr)
+ return checkout_paths(opts, &new_branch_info);
+ else
return checkout_branch(opts, &new_branch_info);
- }
}
int cmd_checkout(int argc, const char **argv, const char *prefix)
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-14 08:01:49 +0000