1 #define USE_THE_INDEX_COMPATIBILITY_MACROS
3 #include "repository.h"
6 #include "parse-options.h"
10 #include "submodule.h"
11 #include "submodule-config.h"
12 #include "string-list.h"
13 #include "run-command.h"
21 #include "object-store.h"
24 #define OPT_QUIET (1 << 0)
25 #define OPT_CACHED (1 << 1)
26 #define OPT_RECURSIVE (1 << 2)
27 #define OPT_FORCE (1 << 3)
29 typedef void (*each_submodule_fn)(const struct cache_entry *list_item,
32 static char *get_default_remote(void)
34 char *dest = NULL, *ret;
35 struct strbuf sb = STRBUF_INIT;
36 const char *refname = resolve_ref_unsafe("HEAD", 0, NULL, NULL);
39 die(_("No such ref: %s"), "HEAD");
42 if (!strcmp(refname, "HEAD"))
43 return xstrdup("origin");
45 if (!skip_prefix(refname, "refs/heads/", &refname))
46 die(_("Expecting a full ref name, got %s"), refname);
48 strbuf_addf(&sb, "branch.%s.remote", refname);
49 if (git_config_get_string(sb.buf, &dest))
50 ret = xstrdup("origin");
58 static int print_default_remote(int argc, const char **argv, const char *prefix)
63 die(_("submodule--helper print-default-remote takes no arguments"));
65 remote = get_default_remote();
67 printf("%s\n", remote);
73 static int starts_with_dot_slash(const char *str)
75 return str[0] == '.' && is_dir_sep(str[1]);
78 static int starts_with_dot_dot_slash(const char *str)
80 return str[0] == '.' && str[1] == '.' && is_dir_sep(str[2]);
84 * Returns 1 if it was the last chop before ':'.
86 static int chop_last_dir(char **remoteurl, int is_relative)
88 char *rfind = find_last_dir_sep(*remoteurl);
94 rfind = strrchr(*remoteurl, ':');
100 if (is_relative || !strcmp(".", *remoteurl))
101 die(_("cannot strip one component off url '%s'"),
105 *remoteurl = xstrdup(".");
110 * The `url` argument is the URL that navigates to the submodule origin
111 * repo. When relative, this URL is relative to the superproject origin
112 * URL repo. The `up_path` argument, if specified, is the relative
113 * path that navigates from the submodule working tree to the superproject
114 * working tree. Returns the origin URL of the submodule.
116 * Return either an absolute URL or filesystem path (if the superproject
117 * origin URL is an absolute URL or filesystem path, respectively) or a
118 * relative file system path (if the superproject origin URL is a relative
121 * When the output is a relative file system path, the path is either
122 * relative to the submodule working tree, if up_path is specified, or to
123 * the superproject working tree otherwise.
125 * NEEDSWORK: This works incorrectly on the domain and protocol part.
126 * remote_url url outcome expectation
127 * http://a.com/b ../c http://a.com/c as is
128 * http://a.com/b/ ../c http://a.com/c same as previous line, but
129 * ignore trailing slash in url
130 * http://a.com/b ../../c http://c error out
131 * http://a.com/b ../../../c http:/c error out
132 * http://a.com/b ../../../../c http:c error out
133 * http://a.com/b ../../../../../c .:c error out
134 * NEEDSWORK: Given how chop_last_dir() works, this function is broken
135 * when a local part has a colon in its path component, too.
137 static char *relative_url(const char *remote_url,
144 char *remoteurl = xstrdup(remote_url);
145 struct strbuf sb = STRBUF_INIT;
146 size_t len = strlen(remoteurl);
148 if (is_dir_sep(remoteurl[len-1]))
149 remoteurl[len-1] = '\0';
151 if (!url_is_local_not_ssh(remoteurl) || is_absolute_path(remoteurl))
156 * Prepend a './' to ensure all relative
157 * remoteurls start with './' or '../'
159 if (!starts_with_dot_slash(remoteurl) &&
160 !starts_with_dot_dot_slash(remoteurl)) {
162 strbuf_addf(&sb, "./%s", remoteurl);
164 remoteurl = strbuf_detach(&sb, NULL);
168 * When the url starts with '../', remove that and the
169 * last directory in remoteurl.
172 if (starts_with_dot_dot_slash(url)) {
174 colonsep |= chop_last_dir(&remoteurl, is_relative);
175 } else if (starts_with_dot_slash(url))
181 strbuf_addf(&sb, "%s%s%s", remoteurl, colonsep ? ":" : "/", url);
182 if (ends_with(url, "/"))
183 strbuf_setlen(&sb, sb.len - 1);
186 if (starts_with_dot_slash(sb.buf))
187 out = xstrdup(sb.buf + 2);
189 out = xstrdup(sb.buf);
192 if (!up_path || !is_relative)
195 strbuf_addf(&sb, "%s%s", up_path, out);
197 return strbuf_detach(&sb, NULL);
200 static int resolve_relative_url(int argc, const char **argv, const char *prefix)
202 char *remoteurl = NULL;
203 char *remote = get_default_remote();
204 const char *up_path = NULL;
207 struct strbuf sb = STRBUF_INIT;
209 if (argc != 2 && argc != 3)
210 die("resolve-relative-url only accepts one or two arguments");
213 strbuf_addf(&sb, "remote.%s.url", remote);
216 if (git_config_get_string(sb.buf, &remoteurl))
217 /* the repository is its own authoritative upstream */
218 remoteurl = xgetcwd();
223 res = relative_url(remoteurl, url, up_path);
230 static int resolve_relative_url_test(int argc, const char **argv, const char *prefix)
232 char *remoteurl, *res;
233 const char *up_path, *url;
236 die("resolve-relative-url-test only accepts three arguments: <up_path> <remoteurl> <url>");
239 remoteurl = xstrdup(argv[2]);
242 if (!strcmp(up_path, "(null)"))
245 res = relative_url(remoteurl, url, up_path);
252 /* the result should be freed by the caller. */
253 static char *get_submodule_displaypath(const char *path, const char *prefix)
255 const char *super_prefix = get_super_prefix();
257 if (prefix && super_prefix) {
258 BUG("cannot have prefix '%s' and superprefix '%s'",
259 prefix, super_prefix);
261 struct strbuf sb = STRBUF_INIT;
262 char *displaypath = xstrdup(relative_path(path, prefix, &sb));
265 } else if (super_prefix) {
266 return xstrfmt("%s%s", super_prefix, path);
268 return xstrdup(path);
272 static char *compute_rev_name(const char *sub_path, const char* object_id)
274 struct strbuf sb = STRBUF_INIT;
277 static const char *describe_bare[] = { NULL };
279 static const char *describe_tags[] = { "--tags", NULL };
281 static const char *describe_contains[] = { "--contains", NULL };
283 static const char *describe_all_always[] = { "--all", "--always", NULL };
285 static const char **describe_argv[] = { describe_bare, describe_tags,
287 describe_all_always, NULL };
289 for (d = describe_argv; *d; d++) {
290 struct child_process cp = CHILD_PROCESS_INIT;
291 prepare_submodule_repo_env(&cp.env_array);
296 argv_array_push(&cp.args, "describe");
297 argv_array_pushv(&cp.args, *d);
298 argv_array_push(&cp.args, object_id);
300 if (!capture_command(&cp, &sb, 0)) {
301 strbuf_strip_suffix(&sb, "\n");
302 return strbuf_detach(&sb, NULL);
311 const struct cache_entry **entries;
314 #define MODULE_LIST_INIT { NULL, 0, 0 }
316 static int module_list_compute(int argc, const char **argv,
318 struct pathspec *pathspec,
319 struct module_list *list)
322 char *ps_matched = NULL;
323 parse_pathspec(pathspec, 0,
324 PATHSPEC_PREFER_FULL,
328 ps_matched = xcalloc(pathspec->nr, 1);
330 if (read_cache() < 0)
331 die(_("index file corrupt"));
333 for (i = 0; i < active_nr; i++) {
334 const struct cache_entry *ce = active_cache[i];
336 if (!match_pathspec(&the_index, pathspec, ce->name, ce_namelen(ce),
338 !S_ISGITLINK(ce->ce_mode))
341 ALLOC_GROW(list->entries, list->nr + 1, list->alloc);
342 list->entries[list->nr++] = ce;
343 while (i + 1 < active_nr &&
344 !strcmp(ce->name, active_cache[i + 1]->name))
346 * Skip entries with the same name in different stages
347 * to make sure an entry is returned only once.
352 if (ps_matched && report_path_error(ps_matched, pathspec, prefix))
360 static void module_list_active(struct module_list *list)
363 struct module_list active_modules = MODULE_LIST_INIT;
365 for (i = 0; i < list->nr; i++) {
366 const struct cache_entry *ce = list->entries[i];
368 if (!is_submodule_active(the_repository, ce->name))
371 ALLOC_GROW(active_modules.entries,
372 active_modules.nr + 1,
373 active_modules.alloc);
374 active_modules.entries[active_modules.nr++] = ce;
378 *list = active_modules;
381 static char *get_up_path(const char *path)
384 struct strbuf sb = STRBUF_INIT;
386 for (i = count_slashes(path); i; i--)
387 strbuf_addstr(&sb, "../");
390 * Check if 'path' ends with slash or not
391 * for having the same output for dir/sub_dir
394 if (!is_dir_sep(path[strlen(path) - 1]))
395 strbuf_addstr(&sb, "../");
397 return strbuf_detach(&sb, NULL);
400 static int module_list(int argc, const char **argv, const char *prefix)
403 struct pathspec pathspec;
404 struct module_list list = MODULE_LIST_INIT;
406 struct option module_list_options[] = {
407 OPT_STRING(0, "prefix", &prefix,
409 N_("alternative anchor for relative paths")),
413 const char *const git_submodule_helper_usage[] = {
414 N_("git submodule--helper list [--prefix=<path>] [<path>...]"),
418 argc = parse_options(argc, argv, prefix, module_list_options,
419 git_submodule_helper_usage, 0);
421 if (module_list_compute(argc, argv, prefix, &pathspec, &list) < 0)
424 for (i = 0; i < list.nr; i++) {
425 const struct cache_entry *ce = list.entries[i];
428 printf("%06o %s U\t", ce->ce_mode, sha1_to_hex(null_sha1));
430 printf("%06o %s %d\t", ce->ce_mode,
431 oid_to_hex(&ce->oid), ce_stage(ce));
433 fprintf(stdout, "%s\n", ce->name);
438 static void for_each_listed_submodule(const struct module_list *list,
439 each_submodule_fn fn, void *cb_data)
442 for (i = 0; i < list->nr; i++)
443 fn(list->entries[i], cb_data);
453 #define CB_FOREACH_INIT { 0 }
455 static void runcommand_in_submodule_cb(const struct cache_entry *list_item,
458 struct cb_foreach *info = cb_data;
459 const char *path = list_item->name;
460 const struct object_id *ce_oid = &list_item->oid;
462 const struct submodule *sub;
463 struct child_process cp = CHILD_PROCESS_INIT;
466 displaypath = get_submodule_displaypath(path, info->prefix);
468 sub = submodule_from_path(the_repository, &null_oid, path);
471 die(_("No url found for submodule path '%s' in .gitmodules"),
474 if (!is_submodule_populated_gently(path, NULL))
477 prepare_submodule_repo_env(&cp.env_array);
480 * For the purpose of executing <command> in the submodule,
481 * separate shell is used for the purpose of running the
488 * NEEDSWORK: the command currently has access to the variables $name,
489 * $sm_path, $displaypath, $sha1 and $toplevel only when the command
490 * contains a single argument. This is done for maintaining a faithful
491 * translation from shell script.
493 if (info->argc == 1) {
494 char *toplevel = xgetcwd();
495 struct strbuf sb = STRBUF_INIT;
497 argv_array_pushf(&cp.env_array, "name=%s", sub->name);
498 argv_array_pushf(&cp.env_array, "sm_path=%s", path);
499 argv_array_pushf(&cp.env_array, "displaypath=%s", displaypath);
500 argv_array_pushf(&cp.env_array, "sha1=%s",
502 argv_array_pushf(&cp.env_array, "toplevel=%s", toplevel);
505 * Since the path variable was accessible from the script
506 * before porting, it is also made available after porting.
507 * The environment variable "PATH" has a very special purpose
508 * on windows. And since environment variables are
509 * case-insensitive in windows, it interferes with the
510 * existing PATH variable. Hence, to avoid that, we expose
511 * path via the args argv_array and not via env_array.
513 sq_quote_buf(&sb, path);
514 argv_array_pushf(&cp.args, "path=%s; %s",
515 sb.buf, info->argv[0]);
519 argv_array_pushv(&cp.args, info->argv);
523 printf(_("Entering '%s'\n"), displaypath);
525 if (info->argv[0] && run_command(&cp))
526 die(_("run_command returned non-zero status for %s\n."),
529 if (info->recursive) {
530 struct child_process cpr = CHILD_PROCESS_INIT;
534 prepare_submodule_repo_env(&cpr.env_array);
536 argv_array_pushl(&cpr.args, "--super-prefix", NULL);
537 argv_array_pushf(&cpr.args, "%s/", displaypath);
538 argv_array_pushl(&cpr.args, "submodule--helper", "foreach", "--recursive",
542 argv_array_push(&cpr.args, "--quiet");
544 argv_array_pushv(&cpr.args, info->argv);
546 if (run_command(&cpr))
547 die(_("run_command returned non-zero status while "
548 "recursing in the nested submodules of %s\n."),
556 static int module_foreach(int argc, const char **argv, const char *prefix)
558 struct cb_foreach info = CB_FOREACH_INIT;
559 struct pathspec pathspec;
560 struct module_list list = MODULE_LIST_INIT;
562 struct option module_foreach_options[] = {
563 OPT__QUIET(&info.quiet, N_("Suppress output of entering each submodule command")),
564 OPT_BOOL(0, "recursive", &info.recursive,
565 N_("Recurse into nested submodules")),
569 const char *const git_submodule_helper_usage[] = {
570 N_("git submodule--helper foreach [--quiet] [--recursive] <command>"),
574 argc = parse_options(argc, argv, prefix, module_foreach_options,
575 git_submodule_helper_usage, PARSE_OPT_KEEP_UNKNOWN);
577 if (module_list_compute(0, NULL, prefix, &pathspec, &list) < 0)
582 info.prefix = prefix;
584 for_each_listed_submodule(&list, runcommand_in_submodule_cb, &info);
589 static char *compute_submodule_clone_url(const char *rel_url)
591 char *remoteurl, *relurl;
592 char *remote = get_default_remote();
593 struct strbuf remotesb = STRBUF_INIT;
595 strbuf_addf(&remotesb, "remote.%s.url", remote);
596 if (git_config_get_string(remotesb.buf, &remoteurl)) {
597 warning(_("could not look up configuration '%s'. Assuming this repository is its own authoritative upstream."), remotesb.buf);
598 remoteurl = xgetcwd();
600 relurl = relative_url(remoteurl, rel_url, NULL);
604 strbuf_release(&remotesb);
614 #define INIT_CB_INIT { NULL, 0 }
616 static void init_submodule(const char *path, const char *prefix,
619 const struct submodule *sub;
620 struct strbuf sb = STRBUF_INIT;
621 char *upd = NULL, *url = NULL, *displaypath;
623 displaypath = get_submodule_displaypath(path, prefix);
625 sub = submodule_from_path(the_repository, &null_oid, path);
628 die(_("No url found for submodule path '%s' in .gitmodules"),
632 * NEEDSWORK: In a multi-working-tree world, this needs to be
633 * set in the per-worktree config.
635 * Set active flag for the submodule being initialized
637 if (!is_submodule_active(the_repository, path)) {
638 strbuf_addf(&sb, "submodule.%s.active", sub->name);
639 git_config_set_gently(sb.buf, "true");
644 * Copy url setting when it is not set yet.
645 * To look up the url in .git/config, we must not fall back to
646 * .gitmodules, so look it up directly.
648 strbuf_addf(&sb, "submodule.%s.url", sub->name);
649 if (git_config_get_string(sb.buf, &url)) {
651 die(_("No url found for submodule path '%s' in .gitmodules"),
654 url = xstrdup(sub->url);
656 /* Possibly a url relative to parent */
657 if (starts_with_dot_dot_slash(url) ||
658 starts_with_dot_slash(url)) {
660 url = compute_submodule_clone_url(oldurl);
664 if (git_config_set_gently(sb.buf, url))
665 die(_("Failed to register url for submodule path '%s'"),
667 if (!(flags & OPT_QUIET))
669 _("Submodule '%s' (%s) registered for path '%s'\n"),
670 sub->name, url, displaypath);
674 /* Copy "update" setting when it is not set yet */
675 strbuf_addf(&sb, "submodule.%s.update", sub->name);
676 if (git_config_get_string(sb.buf, &upd) &&
677 sub->update_strategy.type != SM_UPDATE_UNSPECIFIED) {
678 if (sub->update_strategy.type == SM_UPDATE_COMMAND) {
679 fprintf(stderr, _("warning: command update mode suggested for submodule '%s'\n"),
681 upd = xstrdup("none");
683 upd = xstrdup(submodule_strategy_to_string(&sub->update_strategy));
685 if (git_config_set_gently(sb.buf, upd))
686 die(_("Failed to register update mode for submodule path '%s'"), displaypath);
694 static void init_submodule_cb(const struct cache_entry *list_item, void *cb_data)
696 struct init_cb *info = cb_data;
697 init_submodule(list_item->name, info->prefix, info->flags);
700 static int module_init(int argc, const char **argv, const char *prefix)
702 struct init_cb info = INIT_CB_INIT;
703 struct pathspec pathspec;
704 struct module_list list = MODULE_LIST_INIT;
707 struct option module_init_options[] = {
708 OPT__QUIET(&quiet, N_("Suppress output for initializing a submodule")),
712 const char *const git_submodule_helper_usage[] = {
713 N_("git submodule--helper init [<path>]"),
717 argc = parse_options(argc, argv, prefix, module_init_options,
718 git_submodule_helper_usage, 0);
720 if (module_list_compute(argc, argv, prefix, &pathspec, &list) < 0)
724 * If there are no path args and submodule.active is set then,
725 * by default, only initialize 'active' modules.
727 if (!argc && git_config_get_value_multi("submodule.active"))
728 module_list_active(&list);
730 info.prefix = prefix;
732 info.flags |= OPT_QUIET;
734 for_each_listed_submodule(&list, init_submodule_cb, &info);
744 #define STATUS_CB_INIT { NULL, 0 }
746 static void print_status(unsigned int flags, char state, const char *path,
747 const struct object_id *oid, const char *displaypath)
749 if (flags & OPT_QUIET)
752 printf("%c%s %s", state, oid_to_hex(oid), displaypath);
754 if (state == ' ' || state == '+') {
755 const char *name = compute_rev_name(path, oid_to_hex(oid));
758 printf(" (%s)", name);
764 static int handle_submodule_head_ref(const char *refname,
765 const struct object_id *oid, int flags,
768 struct object_id *output = cb_data;
775 static void status_submodule(const char *path, const struct object_id *ce_oid,
776 unsigned int ce_flags, const char *prefix,
780 struct argv_array diff_files_args = ARGV_ARRAY_INIT;
782 int diff_files_result;
784 if (!submodule_from_path(the_repository, &null_oid, path))
785 die(_("no submodule mapping found in .gitmodules for path '%s'"),
788 displaypath = get_submodule_displaypath(path, prefix);
790 if ((CE_STAGEMASK & ce_flags) >> CE_STAGESHIFT) {
791 print_status(flags, 'U', path, &null_oid, displaypath);
795 if (!is_submodule_active(the_repository, path)) {
796 print_status(flags, '-', path, ce_oid, displaypath);
800 argv_array_pushl(&diff_files_args, "diff-files",
801 "--ignore-submodules=dirty", "--quiet", "--",
804 git_config(git_diff_basic_config, NULL);
805 repo_init_revisions(the_repository, &rev, prefix);
807 diff_files_args.argc = setup_revisions(diff_files_args.argc,
808 diff_files_args.argv,
810 diff_files_result = run_diff_files(&rev, 0);
812 if (!diff_result_code(&rev.diffopt, diff_files_result)) {
813 print_status(flags, ' ', path, ce_oid,
815 } else if (!(flags & OPT_CACHED)) {
816 struct object_id oid;
817 struct ref_store *refs = get_submodule_ref_store(path);
820 print_status(flags, '-', path, ce_oid, displaypath);
823 if (refs_head_ref(refs, handle_submodule_head_ref, &oid))
824 die(_("could not resolve HEAD ref inside the "
825 "submodule '%s'"), path);
827 print_status(flags, '+', path, &oid, displaypath);
829 print_status(flags, '+', path, ce_oid, displaypath);
832 if (flags & OPT_RECURSIVE) {
833 struct child_process cpr = CHILD_PROCESS_INIT;
837 prepare_submodule_repo_env(&cpr.env_array);
839 argv_array_push(&cpr.args, "--super-prefix");
840 argv_array_pushf(&cpr.args, "%s/", displaypath);
841 argv_array_pushl(&cpr.args, "submodule--helper", "status",
842 "--recursive", NULL);
844 if (flags & OPT_CACHED)
845 argv_array_push(&cpr.args, "--cached");
847 if (flags & OPT_QUIET)
848 argv_array_push(&cpr.args, "--quiet");
850 if (run_command(&cpr))
851 die(_("failed to recurse into submodule '%s'"), path);
855 argv_array_clear(&diff_files_args);
859 static void status_submodule_cb(const struct cache_entry *list_item,
862 struct status_cb *info = cb_data;
863 status_submodule(list_item->name, &list_item->oid, list_item->ce_flags,
864 info->prefix, info->flags);
867 static int module_status(int argc, const char **argv, const char *prefix)
869 struct status_cb info = STATUS_CB_INIT;
870 struct pathspec pathspec;
871 struct module_list list = MODULE_LIST_INIT;
874 struct option module_status_options[] = {
875 OPT__QUIET(&quiet, N_("Suppress submodule status output")),
876 OPT_BIT(0, "cached", &info.flags, N_("Use commit stored in the index instead of the one stored in the submodule HEAD"), OPT_CACHED),
877 OPT_BIT(0, "recursive", &info.flags, N_("recurse into nested submodules"), OPT_RECURSIVE),
881 const char *const git_submodule_helper_usage[] = {
882 N_("git submodule status [--quiet] [--cached] [--recursive] [<path>...]"),
886 argc = parse_options(argc, argv, prefix, module_status_options,
887 git_submodule_helper_usage, 0);
889 if (module_list_compute(argc, argv, prefix, &pathspec, &list) < 0)
892 info.prefix = prefix;
894 info.flags |= OPT_QUIET;
896 for_each_listed_submodule(&list, status_submodule_cb, &info);
901 static int module_name(int argc, const char **argv, const char *prefix)
903 const struct submodule *sub;
906 usage(_("git submodule--helper name <path>"));
908 sub = submodule_from_path(the_repository, &null_oid, argv[1]);
911 die(_("no submodule mapping found in .gitmodules for path '%s'"),
914 printf("%s\n", sub->name);
924 #define SYNC_CB_INIT { NULL, 0 }
926 static void sync_submodule(const char *path, const char *prefix,
929 const struct submodule *sub;
930 char *remote_key = NULL;
931 char *sub_origin_url, *super_config_url, *displaypath;
932 struct strbuf sb = STRBUF_INIT;
933 struct child_process cp = CHILD_PROCESS_INIT;
934 char *sub_config_path = NULL;
936 if (!is_submodule_active(the_repository, path))
939 sub = submodule_from_path(the_repository, &null_oid, path);
941 if (sub && sub->url) {
942 if (starts_with_dot_dot_slash(sub->url) ||
943 starts_with_dot_slash(sub->url)) {
944 char *remote_url, *up_path;
945 char *remote = get_default_remote();
946 strbuf_addf(&sb, "remote.%s.url", remote);
948 if (git_config_get_string(sb.buf, &remote_url))
949 remote_url = xgetcwd();
951 up_path = get_up_path(path);
952 sub_origin_url = relative_url(remote_url, sub->url, up_path);
953 super_config_url = relative_url(remote_url, sub->url, NULL);
959 sub_origin_url = xstrdup(sub->url);
960 super_config_url = xstrdup(sub->url);
963 sub_origin_url = xstrdup("");
964 super_config_url = xstrdup("");
967 displaypath = get_submodule_displaypath(path, prefix);
969 if (!(flags & OPT_QUIET))
970 printf(_("Synchronizing submodule url for '%s'\n"),
974 strbuf_addf(&sb, "submodule.%s.url", sub->name);
975 if (git_config_set_gently(sb.buf, super_config_url))
976 die(_("failed to register url for submodule path '%s'"),
979 if (!is_submodule_populated_gently(path, NULL))
982 prepare_submodule_repo_env(&cp.env_array);
985 argv_array_pushl(&cp.args, "submodule--helper",
986 "print-default-remote", NULL);
989 if (capture_command(&cp, &sb, 0))
990 die(_("failed to get the default remote for submodule '%s'"),
993 strbuf_strip_suffix(&sb, "\n");
994 remote_key = xstrfmt("remote.%s.url", sb.buf);
997 submodule_to_gitdir(&sb, path);
998 strbuf_addstr(&sb, "/config");
1000 if (git_config_set_in_file_gently(sb.buf, remote_key, sub_origin_url))
1001 die(_("failed to update remote for submodule '%s'"),
1004 if (flags & OPT_RECURSIVE) {
1005 struct child_process cpr = CHILD_PROCESS_INIT;
1009 prepare_submodule_repo_env(&cpr.env_array);
1011 argv_array_push(&cpr.args, "--super-prefix");
1012 argv_array_pushf(&cpr.args, "%s/", displaypath);
1013 argv_array_pushl(&cpr.args, "submodule--helper", "sync",
1014 "--recursive", NULL);
1016 if (flags & OPT_QUIET)
1017 argv_array_push(&cpr.args, "--quiet");
1019 if (run_command(&cpr))
1020 die(_("failed to recurse into submodule '%s'"),
1025 free(super_config_url);
1026 free(sub_origin_url);
1027 strbuf_release(&sb);
1030 free(sub_config_path);
1033 static void sync_submodule_cb(const struct cache_entry *list_item, void *cb_data)
1035 struct sync_cb *info = cb_data;
1036 sync_submodule(list_item->name, info->prefix, info->flags);
1039 static int module_sync(int argc, const char **argv, const char *prefix)
1041 struct sync_cb info = SYNC_CB_INIT;
1042 struct pathspec pathspec;
1043 struct module_list list = MODULE_LIST_INIT;
1047 struct option module_sync_options[] = {
1048 OPT__QUIET(&quiet, N_("Suppress output of synchronizing submodule url")),
1049 OPT_BOOL(0, "recursive", &recursive,
1050 N_("Recurse into nested submodules")),
1054 const char *const git_submodule_helper_usage[] = {
1055 N_("git submodule--helper sync [--quiet] [--recursive] [<path>]"),
1059 argc = parse_options(argc, argv, prefix, module_sync_options,
1060 git_submodule_helper_usage, 0);
1062 if (module_list_compute(argc, argv, prefix, &pathspec, &list) < 0)
1065 info.prefix = prefix;
1067 info.flags |= OPT_QUIET;
1069 info.flags |= OPT_RECURSIVE;
1071 for_each_listed_submodule(&list, sync_submodule_cb, &info);
1080 #define DEINIT_CB_INIT { NULL, 0 }
1082 static void deinit_submodule(const char *path, const char *prefix,
1085 const struct submodule *sub;
1086 char *displaypath = NULL;
1087 struct child_process cp_config = CHILD_PROCESS_INIT;
1088 struct strbuf sb_config = STRBUF_INIT;
1089 char *sub_git_dir = xstrfmt("%s/.git", path);
1091 sub = submodule_from_path(the_repository, &null_oid, path);
1093 if (!sub || !sub->name)
1096 displaypath = get_submodule_displaypath(path, prefix);
1098 /* remove the submodule work tree (unless the user already did it) */
1099 if (is_directory(path)) {
1100 struct strbuf sb_rm = STRBUF_INIT;
1104 * protect submodules containing a .git directory
1105 * NEEDSWORK: instead of dying, automatically call
1106 * absorbgitdirs and (possibly) warn.
1108 if (is_directory(sub_git_dir))
1109 die(_("Submodule work tree '%s' contains a .git "
1110 "directory (use 'rm -rf' if you really want "
1111 "to remove it including all of its history)"),
1114 if (!(flags & OPT_FORCE)) {
1115 struct child_process cp_rm = CHILD_PROCESS_INIT;
1117 argv_array_pushl(&cp_rm.args, "rm", "-qn",
1120 if (run_command(&cp_rm))
1121 die(_("Submodule work tree '%s' contains local "
1122 "modifications; use '-f' to discard them"),
1126 strbuf_addstr(&sb_rm, path);
1128 if (!remove_dir_recursively(&sb_rm, 0))
1129 format = _("Cleared directory '%s'\n");
1131 format = _("Could not remove submodule work tree '%s'\n");
1133 if (!(flags & OPT_QUIET))
1134 printf(format, displaypath);
1136 submodule_unset_core_worktree(sub);
1138 strbuf_release(&sb_rm);
1141 if (mkdir(path, 0777))
1142 printf(_("could not create empty submodule directory %s"),
1145 cp_config.git_cmd = 1;
1146 argv_array_pushl(&cp_config.args, "config", "--get-regexp", NULL);
1147 argv_array_pushf(&cp_config.args, "submodule.%s\\.", sub->name);
1149 /* remove the .git/config entries (unless the user already did it) */
1150 if (!capture_command(&cp_config, &sb_config, 0) && sb_config.len) {
1151 char *sub_key = xstrfmt("submodule.%s", sub->name);
1153 * remove the whole section so we have a clean state when
1154 * the user later decides to init this submodule again
1156 git_config_rename_section_in_file(NULL, sub_key, NULL);
1157 if (!(flags & OPT_QUIET))
1158 printf(_("Submodule '%s' (%s) unregistered for path '%s'\n"),
1159 sub->name, sub->url, displaypath);
1166 strbuf_release(&sb_config);
1169 static void deinit_submodule_cb(const struct cache_entry *list_item,
1172 struct deinit_cb *info = cb_data;
1173 deinit_submodule(list_item->name, info->prefix, info->flags);
1176 static int module_deinit(int argc, const char **argv, const char *prefix)
1178 struct deinit_cb info = DEINIT_CB_INIT;
1179 struct pathspec pathspec;
1180 struct module_list list = MODULE_LIST_INIT;
1185 struct option module_deinit_options[] = {
1186 OPT__QUIET(&quiet, N_("Suppress submodule status output")),
1187 OPT__FORCE(&force, N_("Remove submodule working trees even if they contain local changes"), 0),
1188 OPT_BOOL(0, "all", &all, N_("Unregister all submodules")),
1192 const char *const git_submodule_helper_usage[] = {
1193 N_("git submodule deinit [--quiet] [-f | --force] [--all | [--] [<path>...]]"),
1197 argc = parse_options(argc, argv, prefix, module_deinit_options,
1198 git_submodule_helper_usage, 0);
1201 error("pathspec and --all are incompatible");
1202 usage_with_options(git_submodule_helper_usage,
1203 module_deinit_options);
1207 die(_("Use '--all' if you really want to deinitialize all submodules"));
1209 if (module_list_compute(argc, argv, prefix, &pathspec, &list) < 0)
1212 info.prefix = prefix;
1214 info.flags |= OPT_QUIET;
1216 info.flags |= OPT_FORCE;
1218 for_each_listed_submodule(&list, deinit_submodule_cb, &info);
1223 static int clone_submodule(const char *path, const char *gitdir, const char *url,
1224 const char *depth, struct string_list *reference, int dissociate,
1225 int quiet, int progress)
1227 struct child_process cp = CHILD_PROCESS_INIT;
1229 argv_array_push(&cp.args, "clone");
1230 argv_array_push(&cp.args, "--no-checkout");
1232 argv_array_push(&cp.args, "--quiet");
1234 argv_array_push(&cp.args, "--progress");
1235 if (depth && *depth)
1236 argv_array_pushl(&cp.args, "--depth", depth, NULL);
1237 if (reference->nr) {
1238 struct string_list_item *item;
1239 for_each_string_list_item(item, reference)
1240 argv_array_pushl(&cp.args, "--reference",
1241 item->string, NULL);
1244 argv_array_push(&cp.args, "--dissociate");
1245 if (gitdir && *gitdir)
1246 argv_array_pushl(&cp.args, "--separate-git-dir", gitdir, NULL);
1248 argv_array_push(&cp.args, "--");
1249 argv_array_push(&cp.args, url);
1250 argv_array_push(&cp.args, path);
1253 prepare_submodule_repo_env(&cp.env_array);
1256 return run_command(&cp);
1259 struct submodule_alternate_setup {
1260 const char *submodule_name;
1261 enum SUBMODULE_ALTERNATE_ERROR_MODE {
1262 SUBMODULE_ALTERNATE_ERROR_DIE,
1263 SUBMODULE_ALTERNATE_ERROR_INFO,
1264 SUBMODULE_ALTERNATE_ERROR_IGNORE
1266 struct string_list *reference;
1268 #define SUBMODULE_ALTERNATE_SETUP_INIT { NULL, \
1269 SUBMODULE_ALTERNATE_ERROR_IGNORE, NULL }
1271 static int add_possible_reference_from_superproject(
1272 struct object_directory *odb, void *sas_cb)
1274 struct submodule_alternate_setup *sas = sas_cb;
1278 * If the alternate object store is another repository, try the
1279 * standard layout with .git/(modules/<name>)+/objects
1281 if (strip_suffix(odb->path, "/objects", &len)) {
1283 struct strbuf sb = STRBUF_INIT;
1284 struct strbuf err = STRBUF_INIT;
1285 strbuf_add(&sb, odb->path, len);
1288 * We need to end the new path with '/' to mark it as a dir,
1289 * otherwise a submodule name containing '/' will be broken
1290 * as the last part of a missing submodule reference would
1291 * be taken as a file name.
1293 strbuf_addf(&sb, "/modules/%s/", sas->submodule_name);
1295 sm_alternate = compute_alternate_path(sb.buf, &err);
1297 string_list_append(sas->reference, xstrdup(sb.buf));
1300 switch (sas->error_mode) {
1301 case SUBMODULE_ALTERNATE_ERROR_DIE:
1302 die(_("submodule '%s' cannot add alternate: %s"),
1303 sas->submodule_name, err.buf);
1304 case SUBMODULE_ALTERNATE_ERROR_INFO:
1305 fprintf(stderr, _("submodule '%s' cannot add alternate: %s"),
1306 sas->submodule_name, err.buf);
1307 case SUBMODULE_ALTERNATE_ERROR_IGNORE:
1311 strbuf_release(&sb);
1317 static void prepare_possible_alternates(const char *sm_name,
1318 struct string_list *reference)
1320 char *sm_alternate = NULL, *error_strategy = NULL;
1321 struct submodule_alternate_setup sas = SUBMODULE_ALTERNATE_SETUP_INIT;
1323 git_config_get_string("submodule.alternateLocation", &sm_alternate);
1327 git_config_get_string("submodule.alternateErrorStrategy", &error_strategy);
1329 if (!error_strategy)
1330 error_strategy = xstrdup("die");
1332 sas.submodule_name = sm_name;
1333 sas.reference = reference;
1334 if (!strcmp(error_strategy, "die"))
1335 sas.error_mode = SUBMODULE_ALTERNATE_ERROR_DIE;
1336 else if (!strcmp(error_strategy, "info"))
1337 sas.error_mode = SUBMODULE_ALTERNATE_ERROR_INFO;
1338 else if (!strcmp(error_strategy, "ignore"))
1339 sas.error_mode = SUBMODULE_ALTERNATE_ERROR_IGNORE;
1341 die(_("Value '%s' for submodule.alternateErrorStrategy is not recognized"), error_strategy);
1343 if (!strcmp(sm_alternate, "superproject"))
1344 foreach_alt_odb(add_possible_reference_from_superproject, &sas);
1345 else if (!strcmp(sm_alternate, "no"))
1348 die(_("Value '%s' for submodule.alternateLocation is not recognized"), sm_alternate);
1351 free(error_strategy);
1354 static int module_clone(int argc, const char **argv, const char *prefix)
1356 const char *name = NULL, *url = NULL, *depth = NULL;
1359 char *p, *path = NULL, *sm_gitdir;
1360 struct strbuf sb = STRBUF_INIT;
1361 struct string_list reference = STRING_LIST_INIT_NODUP;
1362 int dissociate = 0, require_init = 0;
1363 char *sm_alternate = NULL, *error_strategy = NULL;
1365 struct option module_clone_options[] = {
1366 OPT_STRING(0, "prefix", &prefix,
1368 N_("alternative anchor for relative paths")),
1369 OPT_STRING(0, "path", &path,
1371 N_("where the new submodule will be cloned to")),
1372 OPT_STRING(0, "name", &name,
1374 N_("name of the new submodule")),
1375 OPT_STRING(0, "url", &url,
1377 N_("url where to clone the submodule from")),
1378 OPT_STRING_LIST(0, "reference", &reference,
1380 N_("reference repository")),
1381 OPT_BOOL(0, "dissociate", &dissociate,
1382 N_("use --reference only while cloning")),
1383 OPT_STRING(0, "depth", &depth,
1385 N_("depth for shallow clones")),
1386 OPT__QUIET(&quiet, "Suppress output for cloning a submodule"),
1387 OPT_BOOL(0, "progress", &progress,
1388 N_("force cloning progress")),
1389 OPT_BOOL(0, "require-init", &require_init,
1390 N_("disallow cloning into non-empty directory")),
1394 const char *const git_submodule_helper_usage[] = {
1395 N_("git submodule--helper clone [--prefix=<path>] [--quiet] "
1396 "[--reference <repository>] [--name <name>] [--depth <depth>] "
1397 "--url <url> --path <path>"),
1401 argc = parse_options(argc, argv, prefix, module_clone_options,
1402 git_submodule_helper_usage, 0);
1404 if (argc || !url || !path || !*path)
1405 usage_with_options(git_submodule_helper_usage,
1406 module_clone_options);
1408 strbuf_addf(&sb, "%s/modules/%s", get_git_dir(), name);
1409 sm_gitdir = absolute_pathdup(sb.buf);
1412 if (!is_absolute_path(path)) {
1413 strbuf_addf(&sb, "%s/%s", get_git_work_tree(), path);
1414 path = strbuf_detach(&sb, NULL);
1416 path = xstrdup(path);
1418 if (validate_submodule_git_dir(sm_gitdir, name) < 0)
1419 die(_("refusing to create/use '%s' in another submodule's "
1420 "git dir"), sm_gitdir);
1422 if (!file_exists(sm_gitdir)) {
1423 if (safe_create_leading_directories_const(sm_gitdir) < 0)
1424 die(_("could not create directory '%s'"), sm_gitdir);
1426 prepare_possible_alternates(name, &reference);
1428 if (clone_submodule(path, sm_gitdir, url, depth, &reference, dissociate,
1430 die(_("clone of '%s' into submodule path '%s' failed"),
1433 if (require_init && !access(path, X_OK) && !is_empty_dir(path))
1434 die(_("directory not empty: '%s'"), path);
1435 if (safe_create_leading_directories_const(path) < 0)
1436 die(_("could not create directory '%s'"), path);
1437 strbuf_addf(&sb, "%s/index", sm_gitdir);
1438 unlink_or_warn(sb.buf);
1442 connect_work_tree_and_git_dir(path, sm_gitdir, 0);
1444 p = git_pathdup_submodule(path, "config");
1446 die(_("could not get submodule directory for '%s'"), path);
1448 /* setup alternateLocation and alternateErrorStrategy in the cloned submodule if needed */
1449 git_config_get_string("submodule.alternateLocation", &sm_alternate);
1451 git_config_set_in_file(p, "submodule.alternateLocation",
1453 git_config_get_string("submodule.alternateErrorStrategy", &error_strategy);
1455 git_config_set_in_file(p, "submodule.alternateErrorStrategy",
1459 free(error_strategy);
1461 strbuf_release(&sb);
1468 static void determine_submodule_update_strategy(struct repository *r,
1472 struct submodule_update_strategy *out)
1474 const struct submodule *sub = submodule_from_path(r, &null_oid, path);
1478 key = xstrfmt("submodule.%s.update", sub->name);
1481 if (parse_submodule_update_strategy(update, out) < 0)
1482 die(_("Invalid update mode '%s' for submodule path '%s'"),
1484 } else if (!repo_config_get_string_const(r, key, &val)) {
1485 if (parse_submodule_update_strategy(val, out) < 0)
1486 die(_("Invalid update mode '%s' configured for submodule path '%s'"),
1488 } else if (sub->update_strategy.type != SM_UPDATE_UNSPECIFIED) {
1489 if (sub->update_strategy.type == SM_UPDATE_COMMAND)
1490 BUG("how did we read update = !command from .gitmodules?");
1491 out->type = sub->update_strategy.type;
1492 out->command = sub->update_strategy.command;
1494 out->type = SM_UPDATE_CHECKOUT;
1497 (out->type == SM_UPDATE_MERGE ||
1498 out->type == SM_UPDATE_REBASE ||
1499 out->type == SM_UPDATE_NONE))
1500 out->type = SM_UPDATE_CHECKOUT;
1505 static int module_update_module_mode(int argc, const char **argv, const char *prefix)
1507 const char *path, *update = NULL;
1509 struct submodule_update_strategy update_strategy = { .type = SM_UPDATE_CHECKOUT };
1511 if (argc < 3 || argc > 4)
1512 die("submodule--helper update-module-clone expects <just-cloned> <path> [<update>]");
1514 just_cloned = git_config_int("just_cloned", argv[1]);
1520 determine_submodule_update_strategy(the_repository,
1521 just_cloned, path, update,
1523 fputs(submodule_strategy_to_string(&update_strategy), stdout);
1528 struct update_clone_data {
1529 const struct submodule *sub;
1530 struct object_id oid;
1531 unsigned just_cloned;
1534 struct submodule_update_clone {
1535 /* index into 'list', the list of submodules to look into for cloning */
1537 struct module_list list;
1538 unsigned warn_if_uninitialized : 1;
1540 /* update parameter passed via commandline */
1541 struct submodule_update_strategy update;
1543 /* configuration parameters which are passed on to the children */
1546 int recommend_shallow;
1547 struct string_list references;
1549 unsigned require_init;
1551 const char *recursive_prefix;
1554 /* to be consumed by git-submodule.sh */
1555 struct update_clone_data *update_clone;
1556 int update_clone_nr; int update_clone_alloc;
1558 /* If we want to stop as fast as possible and return an error */
1559 unsigned quickstop : 1;
1561 /* failed clones to be retried again */
1562 const struct cache_entry **failed_clones;
1563 int failed_clones_nr, failed_clones_alloc;
1567 #define SUBMODULE_UPDATE_CLONE_INIT {0, MODULE_LIST_INIT, 0, \
1568 SUBMODULE_UPDATE_STRATEGY_INIT, 0, 0, -1, STRING_LIST_INIT_DUP, 0, 0, \
1570 NULL, 0, 0, 0, NULL, 0, 0, 1}
1573 static void next_submodule_warn_missing(struct submodule_update_clone *suc,
1574 struct strbuf *out, const char *displaypath)
1577 * Only mention uninitialized submodules when their
1578 * paths have been specified.
1580 if (suc->warn_if_uninitialized) {
1582 _("Submodule path '%s' not initialized"),
1584 strbuf_addch(out, '\n');
1586 _("Maybe you want to use 'update --init'?"));
1587 strbuf_addch(out, '\n');
1592 * Determine whether 'ce' needs to be cloned. If so, prepare the 'child' to
1593 * run the clone. Returns 1 if 'ce' needs to be cloned, 0 otherwise.
1595 static int prepare_to_clone_next_submodule(const struct cache_entry *ce,
1596 struct child_process *child,
1597 struct submodule_update_clone *suc,
1600 const struct submodule *sub = NULL;
1601 const char *url = NULL;
1602 const char *update_string;
1603 enum submodule_update_type update_type;
1605 struct strbuf displaypath_sb = STRBUF_INIT;
1606 struct strbuf sb = STRBUF_INIT;
1607 const char *displaypath = NULL;
1608 int needs_cloning = 0;
1609 int need_free_url = 0;
1612 if (suc->recursive_prefix)
1613 strbuf_addf(&sb, "%s/%s", suc->recursive_prefix, ce->name);
1615 strbuf_addstr(&sb, ce->name);
1616 strbuf_addf(out, _("Skipping unmerged submodule %s"), sb.buf);
1617 strbuf_addch(out, '\n');
1621 sub = submodule_from_path(the_repository, &null_oid, ce->name);
1623 if (suc->recursive_prefix)
1624 displaypath = relative_path(suc->recursive_prefix,
1625 ce->name, &displaypath_sb);
1627 displaypath = ce->name;
1630 next_submodule_warn_missing(suc, out, displaypath);
1634 key = xstrfmt("submodule.%s.update", sub->name);
1635 if (!repo_config_get_string_const(the_repository, key, &update_string)) {
1636 update_type = parse_submodule_update_type(update_string);
1638 update_type = sub->update_strategy.type;
1642 if (suc->update.type == SM_UPDATE_NONE
1643 || (suc->update.type == SM_UPDATE_UNSPECIFIED
1644 && update_type == SM_UPDATE_NONE)) {
1645 strbuf_addf(out, _("Skipping submodule '%s'"), displaypath);
1646 strbuf_addch(out, '\n');
1650 /* Check if the submodule has been initialized. */
1651 if (!is_submodule_active(the_repository, ce->name)) {
1652 next_submodule_warn_missing(suc, out, displaypath);
1657 strbuf_addf(&sb, "submodule.%s.url", sub->name);
1658 if (repo_config_get_string_const(the_repository, sb.buf, &url)) {
1659 if (starts_with_dot_slash(sub->url) ||
1660 starts_with_dot_dot_slash(sub->url)) {
1661 url = compute_submodule_clone_url(sub->url);
1668 strbuf_addf(&sb, "%s/.git", ce->name);
1669 needs_cloning = !file_exists(sb.buf);
1671 ALLOC_GROW(suc->update_clone, suc->update_clone_nr + 1,
1672 suc->update_clone_alloc);
1673 oidcpy(&suc->update_clone[suc->update_clone_nr].oid, &ce->oid);
1674 suc->update_clone[suc->update_clone_nr].just_cloned = needs_cloning;
1675 suc->update_clone[suc->update_clone_nr].sub = sub;
1676 suc->update_clone_nr++;
1682 child->no_stdin = 1;
1683 child->stdout_to_stderr = 1;
1685 argv_array_push(&child->args, "submodule--helper");
1686 argv_array_push(&child->args, "clone");
1688 argv_array_push(&child->args, "--progress");
1690 argv_array_push(&child->args, "--quiet");
1692 argv_array_pushl(&child->args, "--prefix", suc->prefix, NULL);
1693 if (suc->recommend_shallow && sub->recommend_shallow == 1)
1694 argv_array_push(&child->args, "--depth=1");
1695 if (suc->require_init)
1696 argv_array_push(&child->args, "--require-init");
1697 argv_array_pushl(&child->args, "--path", sub->path, NULL);
1698 argv_array_pushl(&child->args, "--name", sub->name, NULL);
1699 argv_array_pushl(&child->args, "--url", url, NULL);
1700 if (suc->references.nr) {
1701 struct string_list_item *item;
1702 for_each_string_list_item(item, &suc->references)
1703 argv_array_pushl(&child->args, "--reference", item->string, NULL);
1705 if (suc->dissociate)
1706 argv_array_push(&child->args, "--dissociate");
1708 argv_array_push(&child->args, suc->depth);
1711 strbuf_reset(&displaypath_sb);
1716 return needs_cloning;
1719 static int update_clone_get_next_task(struct child_process *child,
1724 struct submodule_update_clone *suc = suc_cb;
1725 const struct cache_entry *ce;
1728 for (; suc->current < suc->list.nr; suc->current++) {
1729 ce = suc->list.entries[suc->current];
1730 if (prepare_to_clone_next_submodule(ce, child, suc, err)) {
1731 int *p = xmalloc(sizeof(*p));
1740 * The loop above tried cloning each submodule once, now try the
1741 * stragglers again, which we can imagine as an extension of the
1744 index = suc->current - suc->list.nr;
1745 if (index < suc->failed_clones_nr) {
1747 ce = suc->failed_clones[index];
1748 if (!prepare_to_clone_next_submodule(ce, child, suc, err)) {
1750 strbuf_addstr(err, "BUG: submodule considered for "
1751 "cloning, doesn't need cloning "
1755 p = xmalloc(sizeof(*p));
1765 static int update_clone_start_failure(struct strbuf *err,
1769 struct submodule_update_clone *suc = suc_cb;
1774 static int update_clone_task_finished(int result,
1779 const struct cache_entry *ce;
1780 struct submodule_update_clone *suc = suc_cb;
1782 int *idxP = idx_task_cb;
1789 if (idx < suc->list.nr) {
1790 ce = suc->list.entries[idx];
1791 strbuf_addf(err, _("Failed to clone '%s'. Retry scheduled"),
1793 strbuf_addch(err, '\n');
1794 ALLOC_GROW(suc->failed_clones,
1795 suc->failed_clones_nr + 1,
1796 suc->failed_clones_alloc);
1797 suc->failed_clones[suc->failed_clones_nr++] = ce;
1800 idx -= suc->list.nr;
1801 ce = suc->failed_clones[idx];
1802 strbuf_addf(err, _("Failed to clone '%s' a second time, aborting"),
1804 strbuf_addch(err, '\n');
1812 static int git_update_clone_config(const char *var, const char *value,
1816 if (!strcmp(var, "submodule.fetchjobs"))
1817 *max_jobs = parse_submodule_fetchjobs(var, value);
1821 static void update_submodule(struct update_clone_data *ucd)
1823 fprintf(stdout, "dummy %s %d\t%s\n",
1824 oid_to_hex(&ucd->oid),
1829 static int update_submodules(struct submodule_update_clone *suc)
1833 run_processes_parallel(suc->max_jobs,
1834 update_clone_get_next_task,
1835 update_clone_start_failure,
1836 update_clone_task_finished,
1840 * We saved the output and put it out all at once now.
1842 * - the listener does not have to interleave their (checkout)
1843 * work with our fetching. The writes involved in a
1844 * checkout involve more straightforward sequential I/O.
1845 * - the listener can avoid doing any work if fetching failed.
1850 for (i = 0; i < suc->update_clone_nr; i++)
1851 update_submodule(&suc->update_clone[i]);
1856 static int update_clone(int argc, const char **argv, const char *prefix)
1858 const char *update = NULL;
1859 struct pathspec pathspec;
1860 struct submodule_update_clone suc = SUBMODULE_UPDATE_CLONE_INIT;
1862 struct option module_update_clone_options[] = {
1863 OPT_STRING(0, "prefix", &prefix,
1865 N_("path into the working tree")),
1866 OPT_STRING(0, "recursive-prefix", &suc.recursive_prefix,
1868 N_("path into the working tree, across nested "
1869 "submodule boundaries")),
1870 OPT_STRING(0, "update", &update,
1872 N_("rebase, merge, checkout or none")),
1873 OPT_STRING_LIST(0, "reference", &suc.references, N_("repo"),
1874 N_("reference repository")),
1875 OPT_BOOL(0, "dissociate", &suc.dissociate,
1876 N_("use --reference only while cloning")),
1877 OPT_STRING(0, "depth", &suc.depth, "<depth>",
1878 N_("Create a shallow clone truncated to the "
1879 "specified number of revisions")),
1880 OPT_INTEGER('j', "jobs", &suc.max_jobs,
1881 N_("parallel jobs")),
1882 OPT_BOOL(0, "recommend-shallow", &suc.recommend_shallow,
1883 N_("whether the initial clone should follow the shallow recommendation")),
1884 OPT__QUIET(&suc.quiet, N_("don't print cloning progress")),
1885 OPT_BOOL(0, "progress", &suc.progress,
1886 N_("force cloning progress")),
1887 OPT_BOOL(0, "require-init", &suc.require_init,
1888 N_("disallow cloning into non-empty directory")),
1892 const char *const git_submodule_helper_usage[] = {
1893 N_("git submodule--helper update_clone [--prefix=<path>] [<path>...]"),
1896 suc.prefix = prefix;
1898 update_clone_config_from_gitmodules(&suc.max_jobs);
1899 git_config(git_update_clone_config, &suc.max_jobs);
1901 argc = parse_options(argc, argv, prefix, module_update_clone_options,
1902 git_submodule_helper_usage, 0);
1905 if (parse_submodule_update_strategy(update, &suc.update) < 0)
1906 die(_("bad value for update parameter"));
1908 if (module_list_compute(argc, argv, prefix, &pathspec, &suc.list) < 0)
1912 suc.warn_if_uninitialized = 1;
1914 return update_submodules(&suc);
1917 static int resolve_relative_path(int argc, const char **argv, const char *prefix)
1919 struct strbuf sb = STRBUF_INIT;
1921 die("submodule--helper relative-path takes exactly 2 arguments, got %d", argc);
1923 printf("%s", relative_path(argv[1], argv[2], &sb));
1924 strbuf_release(&sb);
1928 static const char *remote_submodule_branch(const char *path)
1930 const struct submodule *sub;
1931 const char *branch = NULL;
1934 sub = submodule_from_path(the_repository, &null_oid, path);
1938 key = xstrfmt("submodule.%s.branch", sub->name);
1939 if (repo_config_get_string_const(the_repository, key, &branch))
1940 branch = sub->branch;
1946 if (!strcmp(branch, ".")) {
1947 const char *refname = resolve_ref_unsafe("HEAD", 0, NULL, NULL);
1950 die(_("No such ref: %s"), "HEAD");
1953 if (!strcmp(refname, "HEAD"))
1954 die(_("Submodule (%s) branch configured to inherit "
1955 "branch from superproject, but the superproject "
1956 "is not on any branch"), sub->name);
1958 if (!skip_prefix(refname, "refs/heads/", &refname))
1959 die(_("Expecting a full ref name, got %s"), refname);
1966 static int resolve_remote_submodule_branch(int argc, const char **argv,
1970 struct strbuf sb = STRBUF_INIT;
1972 die("submodule--helper remote-branch takes exactly one arguments, got %d", argc);
1974 ret = remote_submodule_branch(argv[1]);
1976 die("submodule %s doesn't exist", argv[1]);
1979 strbuf_release(&sb);
1983 static int push_check(int argc, const char **argv, const char *prefix)
1985 struct remote *remote;
1986 const char *superproject_head;
1988 int detached_head = 0;
1989 struct object_id head_oid;
1992 die("submodule--helper push-check requires at least 2 arguments");
1995 * superproject's resolved head ref.
1996 * if HEAD then the superproject is in a detached head state, otherwise
1997 * it will be the resolved head ref.
1999 superproject_head = argv[1];
2002 /* Get the submodule's head ref and determine if it is detached */
2003 head = resolve_refdup("HEAD", 0, &head_oid, NULL);
2005 die(_("Failed to resolve HEAD as a valid ref."));
2006 if (!strcmp(head, "HEAD"))
2010 * The remote must be configured.
2011 * This is to avoid pushing to the exact same URL as the parent.
2013 remote = pushremote_get(argv[1]);
2014 if (!remote || remote->origin == REMOTE_UNCONFIGURED)
2015 die("remote '%s' not configured", argv[1]);
2017 /* Check the refspec */
2020 struct ref *local_refs = get_local_heads();
2021 struct refspec refspec = REFSPEC_INIT_PUSH;
2023 refspec_appendn(&refspec, argv + 2, argc - 2);
2025 for (i = 0; i < refspec.nr; i++) {
2026 const struct refspec_item *rs = &refspec.items[i];
2028 if (rs->pattern || rs->matching)
2031 /* LHS must match a single ref */
2032 switch (count_refspec_match(rs->src, local_refs, NULL)) {
2037 * If LHS matches 'HEAD' then we need to ensure
2038 * that it matches the same named branch
2039 * checked out in the superproject.
2041 if (!strcmp(rs->src, "HEAD")) {
2042 if (!detached_head &&
2043 !strcmp(head, superproject_head))
2045 die("HEAD does not match the named branch in the superproject");
2049 die("src refspec '%s' must name a ref",
2053 refspec_clear(&refspec);
2060 static int ensure_core_worktree(int argc, const char **argv, const char *prefix)
2062 const struct submodule *sub;
2065 struct repository subrepo;
2068 BUG("submodule--helper ensure-core-worktree <path>");
2072 sub = submodule_from_path(the_repository, &null_oid, path);
2074 BUG("We could get the submodule handle before?");
2076 if (repo_submodule_init(&subrepo, the_repository, sub))
2077 die(_("could not get a repository handle for submodule '%s'"), path);
2079 if (!repo_config_get_string(&subrepo, "core.worktree", &cw)) {
2080 char *cfg_file, *abs_path;
2081 const char *rel_path;
2082 struct strbuf sb = STRBUF_INIT;
2084 cfg_file = repo_git_path(&subrepo, "config");
2086 abs_path = absolute_pathdup(path);
2087 rel_path = relative_path(abs_path, subrepo.gitdir, &sb);
2089 git_config_set_in_file(cfg_file, "core.worktree", rel_path);
2093 strbuf_release(&sb);
2099 static int absorb_git_dirs(int argc, const char **argv, const char *prefix)
2102 struct pathspec pathspec;
2103 struct module_list list = MODULE_LIST_INIT;
2104 unsigned flags = ABSORB_GITDIR_RECURSE_SUBMODULES;
2106 struct option embed_gitdir_options[] = {
2107 OPT_STRING(0, "prefix", &prefix,
2109 N_("path into the working tree")),
2110 OPT_BIT(0, "--recursive", &flags, N_("recurse into submodules"),
2111 ABSORB_GITDIR_RECURSE_SUBMODULES),
2115 const char *const git_submodule_helper_usage[] = {
2116 N_("git submodule--helper embed-git-dir [<path>...]"),
2120 argc = parse_options(argc, argv, prefix, embed_gitdir_options,
2121 git_submodule_helper_usage, 0);
2123 if (module_list_compute(argc, argv, prefix, &pathspec, &list) < 0)
2126 for (i = 0; i < list.nr; i++)
2127 absorb_git_dir_into_superproject(prefix,
2128 list.entries[i]->name, flags);
2133 static int is_active(int argc, const char **argv, const char *prefix)
2136 die("submodule--helper is-active takes exactly 1 argument");
2138 return !is_submodule_active(the_repository, argv[1]);
2142 * Exit non-zero if any of the submodule names given on the command line is
2143 * invalid. If no names are given, filter stdin to print only valid names
2144 * (which is primarily intended for testing).
2146 static int check_name(int argc, const char **argv, const char *prefix)
2150 if (check_submodule_name(*argv) < 0)
2154 struct strbuf buf = STRBUF_INIT;
2155 while (strbuf_getline(&buf, stdin) != EOF) {
2156 if (!check_submodule_name(buf.buf))
2157 printf("%s\n", buf.buf);
2159 strbuf_release(&buf);
2164 static int module_config(int argc, const char **argv, const char *prefix)
2170 struct option module_config_options[] = {
2171 OPT_CMDMODE(0, "check-writeable", &command,
2172 N_("check if it is safe to write to the .gitmodules file"),
2176 const char *const git_submodule_helper_usage[] = {
2177 N_("git submodule--helper config name [value]"),
2178 N_("git submodule--helper config --check-writeable"),
2182 argc = parse_options(argc, argv, prefix, module_config_options,
2183 git_submodule_helper_usage, PARSE_OPT_KEEP_ARGV0);
2185 if (argc == 1 && command == CHECK_WRITEABLE)
2186 return is_writing_gitmodules_ok() ? 0 : -1;
2188 /* Equivalent to ACTION_GET in builtin/config.c */
2190 return print_config_from_gitmodules(the_repository, argv[1]);
2192 /* Equivalent to ACTION_SET in builtin/config.c */
2194 if (!is_writing_gitmodules_ok())
2195 die(_("please make sure that the .gitmodules file is in the working tree"));
2197 return config_set_in_gitmodules_file_gently(argv[1], argv[2]);
2200 usage_with_options(git_submodule_helper_usage, module_config_options);
2203 #define SUPPORT_SUPER_PREFIX (1<<0)
2207 int (*fn)(int, const char **, const char *);
2211 static struct cmd_struct commands[] = {
2212 {"list", module_list, 0},
2213 {"name", module_name, 0},
2214 {"clone", module_clone, 0},
2215 {"update-module-mode", module_update_module_mode, 0},
2216 {"update-clone", update_clone, 0},
2217 {"ensure-core-worktree", ensure_core_worktree, 0},
2218 {"relative-path", resolve_relative_path, 0},
2219 {"resolve-relative-url", resolve_relative_url, 0},
2220 {"resolve-relative-url-test", resolve_relative_url_test, 0},
2221 {"foreach", module_foreach, SUPPORT_SUPER_PREFIX},
2222 {"init", module_init, SUPPORT_SUPER_PREFIX},
2223 {"status", module_status, SUPPORT_SUPER_PREFIX},
2224 {"print-default-remote", print_default_remote, 0},
2225 {"sync", module_sync, SUPPORT_SUPER_PREFIX},
2226 {"deinit", module_deinit, 0},
2227 {"remote-branch", resolve_remote_submodule_branch, 0},
2228 {"push-check", push_check, 0},
2229 {"absorb-git-dirs", absorb_git_dirs, SUPPORT_SUPER_PREFIX},
2230 {"is-active", is_active, 0},
2231 {"check-name", check_name, 0},
2232 {"config", module_config, 0},
2235 int cmd_submodule__helper(int argc, const char **argv, const char *prefix)
2238 if (argc < 2 || !strcmp(argv[1], "-h"))
2239 usage("git submodule--helper <command>");
2241 for (i = 0; i < ARRAY_SIZE(commands); i++) {
2242 if (!strcmp(argv[1], commands[i].cmd)) {
2243 if (get_super_prefix() &&
2244 !(commands[i].option & SUPPORT_SUPER_PREFIX))
2245 die(_("%s doesn't support --super-prefix"),
2247 return commands[i].fn(argc - 1, argv + 1, prefix);
2251 die(_("'%s' is not a valid submodule--helper "
2252 "subcommand"), argv[1]);