4 * Copyright (c) 2007 Kristian Høgsberg <krh@redhat.com>,
5 * 2008 Daniel Barkalow <barkalow@iabervon.org>
6 * Based on git-commit.sh by Junio C Hamano and Linus Torvalds
8 * Clone a repository into a different directory that does not yet exist.
12 #include "parse-options.h"
13 #include "fetch-pack.h"
16 #include "tree-walk.h"
17 #include "unpack-trees.h"
18 #include "transport.h"
21 #include "pack-refs.h"
25 #include "run-command.h"
29 * - respect DB_ENVIRONMENT for .git/objects.
31 * Implementation notes:
32 * - dropping use-separate-remote and no-separate-remote compatibility
35 static const char * const builtin_clone_usage
[] = {
36 "git clone [options] [--] <repo> [<dir>]",
40 static int option_no_checkout
, option_bare
, option_mirror
, option_single_branch
= -1;
41 static int option_local
, option_no_hardlinks
, option_shared
, option_recursive
;
42 static char *option_template
, *option_depth
;
43 static char *option_origin
= NULL
;
44 static char *option_branch
= NULL
;
45 static const char *real_git_dir
;
46 static char *option_upload_pack
= "git-upload-pack";
47 static int option_verbosity
;
48 static int option_progress
;
49 static struct string_list option_config
;
50 static struct string_list option_reference
;
51 static const char *src_ref_prefix
= "refs/heads/";
53 static int opt_parse_reference(const struct option
*opt
, const char *arg
, int unset
)
55 struct string_list
*option_reference
= opt
->value
;
58 string_list_append(option_reference
, arg
);
62 static struct option builtin_clone_options
[] = {
63 OPT__VERBOSITY(&option_verbosity
),
64 OPT_BOOLEAN(0, "progress", &option_progress
,
65 "force progress reporting"),
66 OPT_BOOLEAN('n', "no-checkout", &option_no_checkout
,
67 "don't create a checkout"),
68 OPT_BOOLEAN(0, "bare", &option_bare
, "create a bare repository"),
69 { OPTION_BOOLEAN
, 0, "naked", &option_bare
, NULL
,
70 "create a bare repository",
71 PARSE_OPT_NOARG
| PARSE_OPT_HIDDEN
},
72 OPT_BOOLEAN(0, "mirror", &option_mirror
,
73 "create a mirror repository (implies bare)"),
74 OPT_BOOLEAN('l', "local", &option_local
,
75 "to clone from a local repository"),
76 OPT_BOOLEAN(0, "no-hardlinks", &option_no_hardlinks
,
77 "don't use local hardlinks, always copy"),
78 OPT_BOOLEAN('s', "shared", &option_shared
,
79 "setup as shared repository"),
80 OPT_BOOLEAN(0, "recursive", &option_recursive
,
81 "initialize submodules in the clone"),
82 OPT_BOOLEAN(0, "recurse-submodules", &option_recursive
,
83 "initialize submodules in the clone"),
84 OPT_STRING(0, "template", &option_template
, "template-directory",
85 "directory from which templates will be used"),
86 OPT_CALLBACK(0 , "reference", &option_reference
, "repo",
87 "reference repository", &opt_parse_reference
),
88 OPT_STRING('o', "origin", &option_origin
, "name",
89 "use <name> instead of 'origin' to track upstream"),
90 OPT_STRING('b', "branch", &option_branch
, "branch",
91 "checkout <branch> instead of the remote's HEAD"),
92 OPT_STRING('u', "upload-pack", &option_upload_pack
, "path",
93 "path to git-upload-pack on the remote"),
94 OPT_STRING(0, "depth", &option_depth
, "depth",
95 "create a shallow clone of that depth"),
96 OPT_BOOL(0, "single-branch", &option_single_branch
,
97 "clone only one branch, HEAD or --branch"),
98 OPT_STRING(0, "separate-git-dir", &real_git_dir
, "gitdir",
99 "separate git dir from working tree"),
100 OPT_STRING_LIST('c', "config", &option_config
, "key=value",
101 "set config inside the new repository"),
105 static const char *argv_submodule
[] = {
106 "submodule", "update", "--init", "--recursive", NULL
109 static char *get_repo_path(const char *repo
, int *is_bundle
)
111 static char *suffix
[] = { "/.git", ".git", "" };
112 static char *bundle_suffix
[] = { ".bundle", "" };
116 for (i
= 0; i
< ARRAY_SIZE(suffix
); i
++) {
118 path
= mkpath("%s%s", repo
, suffix
[i
]);
121 if (S_ISDIR(st
.st_mode
)) {
123 return xstrdup(absolute_path(path
));
124 } else if (S_ISREG(st
.st_mode
) && st
.st_size
> 8) {
125 /* Is it a "gitfile"? */
127 int len
, fd
= open(path
, O_RDONLY
);
130 len
= read_in_full(fd
, signature
, 8);
132 if (len
!= 8 || strncmp(signature
, "gitdir: ", 8))
134 path
= read_gitfile(path
);
137 return xstrdup(absolute_path(path
));
142 for (i
= 0; i
< ARRAY_SIZE(bundle_suffix
); i
++) {
144 path
= mkpath("%s%s", repo
, bundle_suffix
[i
]);
145 if (!stat(path
, &st
) && S_ISREG(st
.st_mode
)) {
147 return xstrdup(absolute_path(path
));
154 static char *guess_dir_name(const char *repo
, int is_bundle
, int is_bare
)
156 const char *end
= repo
+ strlen(repo
), *start
;
160 * Strip trailing spaces, slashes and /.git
162 while (repo
< end
&& (is_dir_sep(end
[-1]) || isspace(end
[-1])))
164 if (end
- repo
> 5 && is_dir_sep(end
[-5]) &&
165 !strncmp(end
- 4, ".git", 4)) {
167 while (repo
< end
&& is_dir_sep(end
[-1]))
172 * Find last component, but be prepared that repo could have
173 * the form "remote.example.com:foo.git", i.e. no slash
174 * in the directory part.
177 while (repo
< start
&& !is_dir_sep(start
[-1]) && start
[-1] != ':')
181 * Strip .{bundle,git}.
184 if (end
- start
> 7 && !strncmp(end
- 7, ".bundle", 7))
187 if (end
- start
> 4 && !strncmp(end
- 4, ".git", 4))
192 struct strbuf result
= STRBUF_INIT
;
193 strbuf_addf(&result
, "%.*s.git", (int)(end
- start
), start
);
194 dir
= strbuf_detach(&result
, NULL
);
196 dir
= xstrndup(start
, end
- start
);
198 * Replace sequences of 'control' characters and whitespace
199 * with one ascii space, remove leading and trailing spaces.
203 int prev_space
= 1 /* strip leading whitespace */;
204 for (end
= dir
; *end
; ++end
) {
206 if ((unsigned char)ch
< '\x20')
217 if (out
> dir
&& prev_space
)
223 static void strip_trailing_slashes(char *dir
)
225 char *end
= dir
+ strlen(dir
);
227 while (dir
< end
- 1 && is_dir_sep(end
[-1]))
232 static int add_one_reference(struct string_list_item
*item
, void *cb_data
)
235 struct strbuf alternate
= STRBUF_INIT
;
236 struct remote
*remote
;
237 struct transport
*transport
;
238 const struct ref
*extra
;
240 /* Beware: real_path() and mkpath() return static buffer */
241 ref_git
= xstrdup(real_path(item
->string
));
242 if (is_directory(mkpath("%s/.git/objects", ref_git
))) {
243 char *ref_git_git
= xstrdup(mkpath("%s/.git", ref_git
));
245 ref_git
= ref_git_git
;
246 } else if (!is_directory(mkpath("%s/objects", ref_git
)))
247 die(_("reference repository '%s' is not a local directory."),
250 strbuf_addf(&alternate
, "%s/objects", ref_git
);
251 add_to_alternates_file(alternate
.buf
);
252 strbuf_release(&alternate
);
254 remote
= remote_get(ref_git
);
255 transport
= transport_get(remote
, ref_git
);
256 for (extra
= transport_get_remote_refs(transport
); extra
;
258 add_extra_ref(extra
->name
, extra
->old_sha1
, 0);
260 transport_disconnect(transport
);
265 static void setup_reference(void)
267 for_each_string_list(&option_reference
, add_one_reference
, NULL
);
270 static void copy_alternates(struct strbuf
*src
, struct strbuf
*dst
,
271 const char *src_repo
)
274 * Read from the source objects/info/alternates file
275 * and copy the entries to corresponding file in the
276 * destination repository with add_to_alternates_file().
277 * Both src and dst have "$path/objects/info/alternates".
279 * Instead of copying bit-for-bit from the original,
280 * we need to append to existing one so that the already
281 * created entry via "clone -s" is not lost, and also
282 * to turn entries with paths relative to the original
283 * absolute, so that they can be used in the new repository.
285 FILE *in
= fopen(src
->buf
, "r");
286 struct strbuf line
= STRBUF_INIT
;
288 while (strbuf_getline(&line
, in
, '\n') != EOF
) {
289 char *abs_path
, abs_buf
[PATH_MAX
];
290 if (!line
.len
|| line
.buf
[0] == '#')
292 if (is_absolute_path(line
.buf
)) {
293 add_to_alternates_file(line
.buf
);
296 abs_path
= mkpath("%s/objects/%s", src_repo
, line
.buf
);
297 normalize_path_copy(abs_buf
, abs_path
);
298 add_to_alternates_file(abs_buf
);
300 strbuf_release(&line
);
304 static void copy_or_link_directory(struct strbuf
*src
, struct strbuf
*dest
,
305 const char *src_repo
, int src_baselen
)
309 int src_len
, dest_len
;
312 dir
= opendir(src
->buf
);
314 die_errno(_("failed to open '%s'"), src
->buf
);
316 if (mkdir(dest
->buf
, 0777)) {
318 die_errno(_("failed to create directory '%s'"), dest
->buf
);
319 else if (stat(dest
->buf
, &buf
))
320 die_errno(_("failed to stat '%s'"), dest
->buf
);
321 else if (!S_ISDIR(buf
.st_mode
))
322 die(_("%s exists and is not a directory"), dest
->buf
);
325 strbuf_addch(src
, '/');
327 strbuf_addch(dest
, '/');
328 dest_len
= dest
->len
;
330 while ((de
= readdir(dir
)) != NULL
) {
331 strbuf_setlen(src
, src_len
);
332 strbuf_addstr(src
, de
->d_name
);
333 strbuf_setlen(dest
, dest_len
);
334 strbuf_addstr(dest
, de
->d_name
);
335 if (stat(src
->buf
, &buf
)) {
336 warning (_("failed to stat %s\n"), src
->buf
);
339 if (S_ISDIR(buf
.st_mode
)) {
340 if (de
->d_name
[0] != '.')
341 copy_or_link_directory(src
, dest
,
342 src_repo
, src_baselen
);
346 /* Files that cannot be copied bit-for-bit... */
347 if (!strcmp(src
->buf
+ src_baselen
, "/info/alternates")) {
348 copy_alternates(src
, dest
, src_repo
);
352 if (unlink(dest
->buf
) && errno
!= ENOENT
)
353 die_errno(_("failed to unlink '%s'"), dest
->buf
);
354 if (!option_no_hardlinks
) {
355 if (!link(src
->buf
, dest
->buf
))
358 die_errno(_("failed to create link '%s'"), dest
->buf
);
359 option_no_hardlinks
= 1;
361 if (copy_file_with_time(dest
->buf
, src
->buf
, 0666))
362 die_errno(_("failed to copy file to '%s'"), dest
->buf
);
367 static const struct ref
*clone_local(const char *src_repo
,
368 const char *dest_repo
)
370 const struct ref
*ret
;
371 struct remote
*remote
;
372 struct transport
*transport
;
375 struct strbuf alt
= STRBUF_INIT
;
376 strbuf_addf(&alt
, "%s/objects", src_repo
);
377 add_to_alternates_file(alt
.buf
);
378 strbuf_release(&alt
);
380 struct strbuf src
= STRBUF_INIT
;
381 struct strbuf dest
= STRBUF_INIT
;
382 strbuf_addf(&src
, "%s/objects", src_repo
);
383 strbuf_addf(&dest
, "%s/objects", dest_repo
);
384 copy_or_link_directory(&src
, &dest
, src_repo
, src
.len
);
385 strbuf_release(&src
);
386 strbuf_release(&dest
);
389 remote
= remote_get(src_repo
);
390 transport
= transport_get(remote
, src_repo
);
391 ret
= transport_get_remote_refs(transport
);
392 transport_disconnect(transport
);
393 if (0 <= option_verbosity
)
394 printf(_("done.\n"));
398 static const char *junk_work_tree
;
399 static const char *junk_git_dir
;
400 static pid_t junk_pid
;
402 static void remove_junk(void)
404 struct strbuf sb
= STRBUF_INIT
;
405 if (getpid() != junk_pid
)
408 strbuf_addstr(&sb
, junk_git_dir
);
409 remove_dir_recursively(&sb
, 0);
412 if (junk_work_tree
) {
413 strbuf_addstr(&sb
, junk_work_tree
);
414 remove_dir_recursively(&sb
, 0);
419 static void remove_junk_on_signal(int signo
)
426 static struct ref
*wanted_peer_refs(const struct ref
*refs
,
427 struct refspec
*refspec
)
429 struct ref
*head
= copy_ref(find_ref_by_name(refs
, "HEAD"));
430 struct ref
*local_refs
= head
;
431 struct ref
**tail
= head
? &head
->next
: &local_refs
;
433 if (option_single_branch
) {
434 struct ref
*remote_head
= NULL
;
437 remote_head
= guess_remote_head(head
, refs
, 0);
439 struct strbuf sb
= STRBUF_INIT
;
440 strbuf_addstr(&sb
, src_ref_prefix
);
441 strbuf_addstr(&sb
, option_branch
);
442 remote_head
= find_ref_by_name(refs
, sb
.buf
);
446 if (!remote_head
&& option_branch
)
447 warning(_("Could not find remote branch %s to clone."),
450 get_fetch_map(remote_head
, refspec
, &tail
, 0);
452 get_fetch_map(refs
, refspec
, &tail
, 0);
454 if (!option_mirror
&& !option_single_branch
)
455 get_fetch_map(refs
, tag_refspec
, &tail
, 0);
460 static void write_remote_refs(const struct ref
*local_refs
)
464 for (r
= local_refs
; r
; r
= r
->next
) {
467 add_extra_ref(r
->peer_ref
->name
, r
->old_sha1
, 0);
470 pack_refs(PACK_REFS_ALL
);
474 static void write_followtags(const struct ref
*refs
, const char *msg
)
476 const struct ref
*ref
;
477 for (ref
= refs
; ref
; ref
= ref
->next
) {
478 if (prefixcmp(ref
->name
, "refs/tags/"))
480 if (!suffixcmp(ref
->name
, "^{}"))
482 if (!has_sha1_file(ref
->old_sha1
))
484 update_ref(msg
, ref
->name
, ref
->old_sha1
,
485 NULL
, 0, DIE_ON_ERR
);
489 static int write_one_config(const char *key
, const char *value
, void *data
)
491 return git_config_set_multivar(key
, value
? value
: "true", "^$", 0);
494 static void write_config(struct string_list
*config
)
498 for (i
= 0; i
< config
->nr
; i
++) {
499 if (git_config_parse_parameter(config
->items
[i
].string
,
500 write_one_config
, NULL
) < 0)
501 die("unable to write parameters to config file");
505 int cmd_clone(int argc
, const char **argv
, const char *prefix
)
507 int is_bundle
= 0, is_local
;
509 const char *repo_name
, *repo
, *work_tree
, *git_dir
;
512 const struct ref
*refs
, *remote_head
;
513 const struct ref
*remote_head_points_at
;
514 const struct ref
*our_head_points_at
;
515 struct ref
*mapped_refs
;
516 struct strbuf key
= STRBUF_INIT
, value
= STRBUF_INIT
;
517 struct strbuf branch_top
= STRBUF_INIT
, reflog_msg
= STRBUF_INIT
;
518 struct transport
*transport
= NULL
;
521 struct refspec
*refspec
;
522 const char *fetch_pattern
;
526 packet_trace_identity("clone");
527 argc
= parse_options(argc
, argv
, prefix
, builtin_clone_options
,
528 builtin_clone_usage
, 0);
531 usage_msg_opt(_("Too many arguments."),
532 builtin_clone_usage
, builtin_clone_options
);
535 usage_msg_opt(_("You must specify a repository to clone."),
536 builtin_clone_usage
, builtin_clone_options
);
538 if (option_single_branch
== -1)
539 option_single_branch
= option_depth
? 1 : 0;
546 die(_("--bare and --origin %s options are incompatible."),
548 option_no_checkout
= 1;
552 option_origin
= "origin";
556 path
= get_repo_path(repo_name
, &is_bundle
);
558 repo
= xstrdup(absolute_path(repo_name
));
559 else if (!strchr(repo_name
, ':'))
560 die(_("repository '%s' does not exist"), repo_name
);
563 is_local
= path
&& !is_bundle
;
564 if (is_local
&& option_depth
)
565 warning(_("--depth is ignored in local clones; use file:// instead."));
568 dir
= xstrdup(argv
[1]);
570 dir
= guess_dir_name(repo_name
, is_bundle
, option_bare
);
571 strip_trailing_slashes(dir
);
573 dest_exists
= !stat(dir
, &buf
);
574 if (dest_exists
&& !is_empty_dir(dir
))
575 die(_("destination path '%s' already exists and is not "
576 "an empty directory."), dir
);
578 strbuf_addf(&reflog_msg
, "clone: from %s", repo
);
583 work_tree
= getenv("GIT_WORK_TREE");
584 if (work_tree
&& !stat(work_tree
, &buf
))
585 die(_("working tree '%s' already exists."), work_tree
);
588 if (option_bare
|| work_tree
)
589 git_dir
= xstrdup(dir
);
592 git_dir
= xstrdup(mkpath("%s/.git", dir
));
596 junk_work_tree
= work_tree
;
597 if (safe_create_leading_directories_const(work_tree
) < 0)
598 die_errno(_("could not create leading directories of '%s'"),
600 if (!dest_exists
&& mkdir(work_tree
, 0755))
601 die_errno(_("could not create work tree dir '%s'."),
603 set_git_work_tree(work_tree
);
605 junk_git_dir
= git_dir
;
607 sigchain_push_common(remove_junk_on_signal
);
609 setenv(CONFIG_ENVIRONMENT
, mkpath("%s/config", git_dir
), 1);
611 if (safe_create_leading_directories_const(git_dir
) < 0)
612 die(_("could not create leading directories of '%s'"), git_dir
);
614 set_git_dir_init(git_dir
, real_git_dir
, 0);
616 git_dir
= real_git_dir
;
618 if (0 <= option_verbosity
) {
620 printf(_("Cloning into bare repository '%s'...\n"), dir
);
622 printf(_("Cloning into '%s'...\n"), dir
);
624 init_db(option_template
, INIT_DB_QUIET
);
625 write_config(&option_config
);
628 * At this point, the config exists, so we do not need the
629 * environment variable. We actually need to unset it, too, to
630 * re-enable parsing of the global configs.
632 unsetenv(CONFIG_ENVIRONMENT
);
634 git_config(git_default_config
, NULL
);
638 src_ref_prefix
= "refs/";
639 strbuf_addstr(&branch_top
, src_ref_prefix
);
641 git_config_set("core.bare", "true");
643 strbuf_addf(&branch_top
, "refs/remotes/%s/", option_origin
);
646 strbuf_addf(&value
, "+%s*:%s*", src_ref_prefix
, branch_top
.buf
);
648 if (option_mirror
|| !option_bare
) {
649 /* Configure the remote */
650 strbuf_addf(&key
, "remote.%s.fetch", option_origin
);
651 git_config_set_multivar(key
.buf
, value
.buf
, "^$", 0);
655 strbuf_addf(&key
, "remote.%s.mirror", option_origin
);
656 git_config_set(key
.buf
, "true");
661 strbuf_addf(&key
, "remote.%s.url", option_origin
);
662 git_config_set(key
.buf
, repo
);
665 if (option_reference
.nr
)
668 fetch_pattern
= value
.buf
;
669 refspec
= parse_fetch_refspec(1, &fetch_pattern
);
671 strbuf_reset(&value
);
674 refs
= clone_local(path
, git_dir
);
675 mapped_refs
= wanted_peer_refs(refs
, refspec
);
677 struct remote
*remote
= remote_get(option_origin
);
678 transport
= transport_get(remote
, remote
->url
[0]);
680 if (!transport
->get_refs_list
|| !transport
->fetch
)
681 die(_("Don't know how to clone %s"), transport
->url
);
683 transport_set_option(transport
, TRANS_OPT_KEEP
, "yes");
686 transport_set_option(transport
, TRANS_OPT_DEPTH
,
688 if (option_single_branch
)
689 transport_set_option(transport
, TRANS_OPT_FOLLOWTAGS
, "1");
691 transport_set_verbosity(transport
, option_verbosity
, option_progress
);
693 if (option_upload_pack
)
694 transport_set_option(transport
, TRANS_OPT_UPLOADPACK
,
697 refs
= transport_get_remote_refs(transport
);
699 mapped_refs
= wanted_peer_refs(refs
, refspec
);
700 transport_fetch_refs(transport
, mapped_refs
);
707 write_remote_refs(mapped_refs
);
708 if (option_single_branch
)
709 write_followtags(refs
, reflog_msg
.buf
);
711 remote_head
= find_ref_by_name(refs
, "HEAD");
712 remote_head_points_at
=
713 guess_remote_head(remote_head
, mapped_refs
, 0);
716 struct strbuf head
= STRBUF_INIT
;
717 strbuf_addstr(&head
, src_ref_prefix
);
718 strbuf_addstr(&head
, option_branch
);
720 find_ref_by_name(mapped_refs
, head
.buf
);
721 strbuf_release(&head
);
723 if (!our_head_points_at
) {
724 warning(_("Remote branch %s not found in "
725 "upstream %s, using HEAD instead"),
726 option_branch
, option_origin
);
727 our_head_points_at
= remote_head_points_at
;
731 our_head_points_at
= remote_head_points_at
;
734 warning(_("You appear to have cloned an empty repository."));
735 our_head_points_at
= NULL
;
736 remote_head_points_at
= NULL
;
738 option_no_checkout
= 1;
740 install_branch_config(0, "master", option_origin
,
741 "refs/heads/master");
744 if (remote_head_points_at
&& !option_bare
) {
745 struct strbuf head_ref
= STRBUF_INIT
;
746 strbuf_addstr(&head_ref
, branch_top
.buf
);
747 strbuf_addstr(&head_ref
, "HEAD");
748 create_symref(head_ref
.buf
,
749 remote_head_points_at
->peer_ref
->name
,
753 if (our_head_points_at
) {
754 /* Local default branch link */
755 create_symref("HEAD", our_head_points_at
->name
, NULL
);
757 const char *head
= skip_prefix(our_head_points_at
->name
,
759 update_ref(reflog_msg
.buf
, "HEAD",
760 our_head_points_at
->old_sha1
,
761 NULL
, 0, DIE_ON_ERR
);
762 install_branch_config(0, head
, option_origin
,
763 our_head_points_at
->name
);
765 } else if (remote_head
) {
766 /* Source had detached HEAD pointing somewhere. */
767 update_ref(reflog_msg
.buf
, "HEAD", remote_head
->old_sha1
,
768 NULL
, REF_NODEREF
, DIE_ON_ERR
);
769 our_head_points_at
= remote_head
;
771 /* Nothing to checkout out */
772 if (!option_no_checkout
)
773 warning(_("remote HEAD refers to nonexistent ref, "
774 "unable to checkout.\n"));
775 option_no_checkout
= 1;
779 transport_unlock_pack(transport
);
780 transport_disconnect(transport
);
783 if (!option_no_checkout
) {
784 struct lock_file
*lock_file
= xcalloc(1, sizeof(struct lock_file
));
785 struct unpack_trees_options opts
;
790 /* We need to be in the new work tree for the checkout */
793 fd
= hold_locked_index(lock_file
, 1);
795 memset(&opts
, 0, sizeof opts
);
798 opts
.fn
= oneway_merge
;
799 opts
.verbose_update
= (option_verbosity
> 0);
800 opts
.src_index
= &the_index
;
801 opts
.dst_index
= &the_index
;
803 tree
= parse_tree_indirect(our_head_points_at
->old_sha1
);
805 init_tree_desc(&t
, tree
->buffer
, tree
->size
);
806 unpack_trees(1, &t
, &opts
);
808 if (write_cache(fd
, active_cache
, active_nr
) ||
809 commit_locked_index(lock_file
))
810 die(_("unable to write new index file"));
812 err
|= run_hook(NULL
, "post-checkout", sha1_to_hex(null_sha1
),
813 sha1_to_hex(our_head_points_at
->old_sha1
), "1",
816 if (!err
&& option_recursive
)
817 err
= run_command_v_opt(argv_submodule
, RUN_GIT_CMD
);
820 strbuf_release(&reflog_msg
);
821 strbuf_release(&branch_top
);
822 strbuf_release(&key
);
823 strbuf_release(&value
);