summaryrefslogtreecommitdiff
path: root/builtin/checkout.c
diff options
context:
space:
mode:
Diffstat (limited to 'builtin/checkout.c')
-rw-r--r--builtin/checkout.c139
1 files changed, 90 insertions, 49 deletions
diff --git a/builtin/checkout.c b/builtin/checkout.c
index 3e141fc149..afbff3e790 100644
--- a/builtin/checkout.c
+++ b/builtin/checkout.c
@@ -18,8 +18,8 @@
#include "xdiff-interface.h"
#include "ll-merge.h"
#include "resolve-undo.h"
+#include "submodule-config.h"
#include "submodule.h"
-#include "argv-array.h"
static const char * const checkout_usage[] = {
N_("git checkout [<options>] <branch>"),
@@ -36,6 +36,8 @@ struct checkout_opts {
int writeout_stage;
int overwrite_ignore;
int ignore_skipworktree;
+ int ignore_other_worktrees;
+ int show_progress;
const char *new_branch;
const char *new_branch_force;
@@ -54,8 +56,8 @@ static int post_checkout_hook(struct commit *old, struct commit *new,
int changed)
{
return run_hook_le(NULL, "post-checkout",
- sha1_to_hex(old ? old->object.sha1 : null_sha1),
- sha1_to_hex(new ? new->object.sha1 : null_sha1),
+ sha1_to_hex(old ? old->object.oid.hash : null_sha1),
+ sha1_to_hex(new ? new->object.oid.hash : null_sha1),
changed ? "1" : "0", NULL);
/* "new" can be NULL when checking out from the index before
a commit exists. */
@@ -152,8 +154,8 @@ static int check_stages(unsigned stages, const struct cache_entry *ce, int pos)
return 0;
}
-static int checkout_stage(int stage, struct cache_entry *ce, int pos,
- struct checkout *state)
+static int checkout_stage(int stage, const struct cache_entry *ce, int pos,
+ const struct checkout *state)
{
while (pos < active_nr &&
!strcmp(active_cache[pos]->name, ce->name)) {
@@ -167,7 +169,7 @@ static int checkout_stage(int stage, struct cache_entry *ce, int pos,
return error(_("path '%s' does not have their version"), ce->name);
}
-static int checkout_merged(int pos, struct checkout *state)
+static int checkout_merged(int pos, const struct checkout *state)
{
struct cache_entry *ce = active_cache[pos];
const char *path = ce->name;
@@ -240,7 +242,6 @@ static int checkout_paths(const struct checkout_opts *opts,
struct checkout state;
static char *ps_matched;
unsigned char rev[20];
- int flag;
struct commit *head;
int errs = 0;
struct lock_file *lock_file;
@@ -275,12 +276,12 @@ static int checkout_paths(const struct checkout_opts *opts,
hold_locked_index(lock_file, 1);
if (read_cache_preload(&opts->pathspec) < 0)
- return error(_("corrupt index file"));
+ return error(_("index file corrupt"));
if (opts->source_tree)
read_tree_some(opts->source_tree, &opts->pathspec);
- ps_matched = xcalloc(1, opts->pathspec.nr);
+ ps_matched = xcalloc(opts->pathspec.nr, 1);
/*
* Make sure all pathspecs participated in locating the paths
@@ -373,7 +374,7 @@ static int checkout_paths(const struct checkout_opts *opts,
if (write_locked_index(&the_index, lock_file, COMMIT_LOCK))
die(_("unable to write new index file"));
- read_ref_full("HEAD", 0, rev, &flag);
+ read_ref_full("HEAD", 0, rev, NULL);
head = lookup_commit_reference_gently(rev, 1);
errs |= post_checkout_hook(head, head, 0);
@@ -399,7 +400,7 @@ static void describe_detached_head(const char *msg, struct commit *commit)
if (!parse_commit(commit))
pp_commit_easy(CMIT_FMT_ONELINE, commit, &sb);
fprintf(stderr, "%s %s... %s\n", msg,
- find_unique_abbrev(commit->object.sha1, DEFAULT_ABBREV), sb.buf);
+ find_unique_abbrev(commit->object.oid.hash, DEFAULT_ABBREV), sb.buf);
strbuf_release(&sb);
}
@@ -416,7 +417,7 @@ static int reset_tree(struct tree *tree, const struct checkout_opts *o,
opts.reset = 1;
opts.merge = 1;
opts.fn = oneway_merge;
- opts.verbose_update = !o->quiet && isatty(2);
+ opts.verbose_update = o->show_progress;
opts.src_index = &the_index;
opts.dst_index = &the_index;
parse_tree(tree);
@@ -441,6 +442,11 @@ struct branch_info {
const char *name; /* The short name used */
const char *path; /* The full name of a real branch */
struct commit *commit; /* The named commit */
+ /*
+ * if not null the branch is detached because it's already
+ * checked out in this checkout
+ */
+ char *checkout;
};
static void setup_branch_path(struct branch_info *branch)
@@ -464,7 +470,7 @@ static int merge_working_tree(const struct checkout_opts *opts,
hold_locked_index(lock_file, 1);
if (read_cache_preload(NULL) < 0)
- return error(_("corrupt index file"));
+ return error(_("index file corrupt"));
resolve_undo_clear();
if (opts->force) {
@@ -495,7 +501,7 @@ static int merge_working_tree(const struct checkout_opts *opts,
topts.update = 1;
topts.merge = 1;
topts.gently = opts->merge && old->commit;
- topts.verbose_update = !opts->quiet && isatty(2);
+ topts.verbose_update = opts->show_progress;
topts.fn = twoway_merge;
if (opts->overwrite_ignore) {
topts.dir = xcalloc(1, sizeof(*topts.dir));
@@ -503,10 +509,10 @@ static int merge_working_tree(const struct checkout_opts *opts,
setup_standard_excludes(topts.dir);
}
tree = parse_tree_indirect(old->commit ?
- old->commit->object.sha1 :
+ old->commit->object.oid.hash :
EMPTY_TREE_SHA1_BIN);
init_tree_desc(&trees[0], tree->buffer, tree->size);
- tree = parse_tree_indirect(new->commit->object.sha1);
+ tree = parse_tree_indirect(new->commit->object.oid.hash);
init_tree_desc(&trees[1], tree->buffer, tree->size);
ret = unpack_trees(2, trees, &topts);
@@ -542,7 +548,7 @@ static int merge_working_tree(const struct checkout_opts *opts,
* entries in the index.
*/
- add_files_to_cache(NULL, NULL, 0);
+ add_files_to_cache(NULL, NULL, 0, 0);
/*
* NEEDSWORK: carrying over local changes
* when branches have different end-of-line
@@ -561,10 +567,13 @@ static int merge_working_tree(const struct checkout_opts *opts,
o.ancestor = old->name;
o.branch1 = new->name;
o.branch2 = "local";
- merge_trees(&o, new->commit->tree, work,
+ ret = merge_trees(&o, new->commit->tree, work,
old->commit->tree, &result);
+ if (ret < 0)
+ exit(128);
ret = reset_tree(new->commit->tree, opts, 0,
writeout_error);
+ strbuf_release(&o.obuf);
if (ret)
return ret;
}
@@ -605,19 +614,20 @@ static void update_refs_for_switch(const struct checkout_opts *opts,
if (opts->new_branch) {
if (opts->new_orphan_branch) {
if (opts->new_branch_log && !log_all_ref_updates) {
- int temp;
- char log_file[PATH_MAX];
- char *ref_name = mkpath("refs/heads/%s", opts->new_orphan_branch);
-
- temp = log_all_ref_updates;
- log_all_ref_updates = 1;
- if (log_ref_setup(ref_name, log_file, sizeof(log_file))) {
- fprintf(stderr, _("Can not do reflog for '%s'\n"),
- opts->new_orphan_branch);
- log_all_ref_updates = temp;
+ int ret;
+ char *refname;
+ struct strbuf err = STRBUF_INIT;
+
+ refname = mkpathdup("refs/heads/%s", opts->new_orphan_branch);
+ ret = safe_create_reflog(refname, 1, &err);
+ free(refname);
+ if (ret) {
+ fprintf(stderr, _("Can not do reflog for '%s': %s\n"),
+ opts->new_orphan_branch, err.buf);
+ strbuf_release(&err);
return;
}
- log_all_ref_updates = temp;
+ strbuf_release(&err);
}
}
else
@@ -633,7 +643,7 @@ 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);
+ old_desc = oid_to_hex(&old->commit->object.oid);
reflog_msg = getenv("GIT_REFLOG_ACTION");
if (!reflog_msg)
@@ -645,15 +655,17 @@ static void update_refs_for_switch(const struct checkout_opts *opts,
if (!strcmp(new->name, "HEAD") && !new->path && !opts->force_detach) {
/* 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,
+ update_ref(msg.buf, "HEAD", new->commit->object.oid.hash, NULL,
REF_NODEREF, UPDATE_REFS_DIE_ON_ERR);
if (!opts->quiet) {
- if (old->path && advice_detached_head)
+ if (old->path &&
+ advice_detached_head && !opts->force_detach)
detach_advice(new->name);
describe_detached_head(_("HEAD is now at"), new->commit);
}
} else if (new->path) { /* Switch branches. */
- create_symref("HEAD", new->path, msg.buf);
+ if (create_symref("HEAD", new->path, msg.buf) < 0)
+ die(_("unable to update HEAD"));
if (!opts->quiet) {
if (old->path && !strcmp(new->path, old->path)) {
if (opts->new_branch_force)
@@ -685,18 +697,17 @@ static void update_refs_for_switch(const struct checkout_opts *opts,
}
static int add_pending_uninteresting_ref(const char *refname,
- const unsigned char *sha1,
+ const struct object_id *oid,
int flags, void *cb_data)
{
- add_pending_sha1(cb_data, refname, sha1, UNINTERESTING);
+ add_pending_sha1(cb_data, refname, oid->hash, UNINTERESTING);
return 0;
}
static void describe_one_orphan(struct strbuf *sb, struct commit *commit)
{
strbuf_addstr(sb, " ");
- strbuf_addstr(sb,
- find_unique_abbrev(commit->object.sha1, DEFAULT_ABBREV));
+ strbuf_add_unique_abbrev(sb, commit->object.oid.hash, DEFAULT_ABBREV);
strbuf_addch(sb, ' ');
if (!parse_commit(commit))
pp_commit_easy(CMIT_FMT_ONELINE, commit, sb);
@@ -743,11 +754,18 @@ static void suggest_reattach(struct commit *commit, struct rev_info *revs)
if (advice_detached_head)
fprintf(stderr,
- _(
+ Q_(
+ /* The singular version */
+ "If you want to keep it by creating a new branch, "
+ "this may be a good time\nto do so with:\n\n"
+ " git branch <new-branch-name> %s\n\n",
+ /* The plural version */
"If you want to keep them by creating a new branch, "
"this may be a good time\nto do so with:\n\n"
- " git branch <new-branch-name> %s\n\n"),
- find_unique_abbrev(commit->object.sha1, DEFAULT_ABBREV));
+ " git branch <new-branch-name> %s\n\n",
+ /* Give ngettext() the count */
+ lost),
+ find_unique_abbrev(commit->object.oid.hash, DEFAULT_ABBREV));
}
/*
@@ -765,10 +783,10 @@ static void orphaned_commit_warning(struct commit *old, struct commit *new)
setup_revisions(0, NULL, &revs, NULL);
object->flags &= ~UNINTERESTING;
- add_pending_object(&revs, object, sha1_to_hex(object->sha1));
+ add_pending_object(&revs, object, oid_to_hex(&object->oid));
for_each_ref(add_pending_uninteresting_ref, &revs);
- add_pending_sha1(&revs, "HEAD", new->object.sha1, UNINTERESTING);
+ add_pending_sha1(&revs, "HEAD", new->object.oid.hash, UNINTERESTING);
refs = revs.pending;
revs.leak_pending = 1;
@@ -883,10 +901,11 @@ static const char *unique_tracking_name(const char *name, unsigned char *sha1)
static int parse_branchname_arg(int argc, const char **argv,
int dwim_new_local_branch_ok,
struct branch_info *new,
- struct tree **source_tree,
- unsigned char rev[20],
- const char **new_branch)
+ struct checkout_opts *opts,
+ unsigned char rev[20])
{
+ struct tree **source_tree = &opts->source_tree;
+ const char **new_branch = &opts->new_branch;
int argcount = 0;
unsigned char branch_rev[20];
const char *arg;
@@ -965,7 +984,8 @@ static int parse_branchname_arg(int argc, const char **argv,
*/
int recover_with_dwim = dwim_new_local_branch_ok;
- if (check_filename(NULL, arg) && !has_dash_dash)
+ if (!has_dash_dash &&
+ (check_filename(NULL, arg) || !no_wildcard(arg)))
recover_with_dwim = 0;
/*
* Accept "git checkout foo" and "git checkout foo --"
@@ -1086,6 +1106,17 @@ static int checkout_branch(struct checkout_opts *opts,
die(_("Cannot switch branch to a non-commit '%s'"),
new->name);
+ if (new->path && !opts->force_detach && !opts->new_branch &&
+ !opts->ignore_other_worktrees) {
+ unsigned char sha1[20];
+ int flag;
+ char *head_ref = resolve_refdup("HEAD", 0, sha1, &flag);
+ if (head_ref &&
+ (!(flag & REF_ISSYMREF) || strcmp(head_ref, new->path)))
+ die_if_checked_out(new->path, 1);
+ free(head_ref);
+ }
+
if (!new->commit && opts->new_branch) {
unsigned char rev[20];
int flag;
@@ -1110,7 +1141,7 @@ int cmd_checkout(int argc, const char **argv, const char *prefix)
OPT_STRING('B', NULL, &opts.new_branch_force, N_("branch"),
N_("create/reset and checkout a branch")),
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_BOOL(0, "detach", &opts.force_detach, N_("detach 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")),
@@ -1128,6 +1159,9 @@ int cmd_checkout(int argc, const char **argv, const char *prefix)
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_BOOL(0, "ignore-other-worktrees", &opts.ignore_other_worktrees,
+ N_("do not check if another worktree is holding the given ref")),
+ OPT_BOOL(0, "progress", &opts.show_progress, N_("force progress reporting")),
OPT_END(),
};
@@ -1135,6 +1169,7 @@ int cmd_checkout(int argc, const char **argv, const char *prefix)
memset(&new, 0, sizeof(new));
opts.overwrite_ignore = 1;
opts.prefix = prefix;
+ opts.show_progress = -1;
gitmodules_config();
git_config(git_checkout_config, &opts);
@@ -1144,6 +1179,13 @@ int cmd_checkout(int argc, const char **argv, const char *prefix)
argc = parse_options(argc, argv, prefix, options, checkout_usage,
PARSE_OPT_KEEP_DASHDASH);
+ if (opts.show_progress < 0) {
+ if (opts.quiet)
+ opts.show_progress = 0;
+ else
+ opts.show_progress = isatty(2);
+ }
+
if (conflict_style) {
opts.merge = 1; /* implied */
git_xmerge_config("merge.conflictstyle", conflict_style, NULL);
@@ -1197,8 +1239,7 @@ int cmd_checkout(int argc, const char **argv, const char *prefix)
opts.track == BRANCH_TRACK_UNSPECIFIED &&
!opts.new_branch;
int n = parse_branchname_arg(argc, argv, dwim_ok,
- &new, &opts.source_tree,
- rev, &opts.new_branch);
+ &new, &opts, rev);
argv += n;
argc -= n;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-19 00:18:48 +0000