3 #include "parse-options.h"
9 #include "submodule-config.h"
10 #include "string-list.h"
11 #include "run-command.h"
16 static char *get_default_remote(void)
18 char *dest = NULL, *ret;
19 unsigned char sha1[20];
20 struct strbuf sb = STRBUF_INIT;
21 const char *refname = resolve_ref_unsafe("HEAD", 0, sha1, NULL);
24 die(_("No such ref: %s"), "HEAD");
27 if (!strcmp(refname, "HEAD"))
28 return xstrdup("origin");
30 if (!skip_prefix(refname, "refs/heads/", &refname))
31 die(_("Expecting a full ref name, got %s"), refname);
33 strbuf_addf(&sb, "branch.%s.remote", refname);
34 if (git_config_get_string(sb.buf, &dest))
35 ret = xstrdup("origin");
43 static int starts_with_dot_slash(const char *str)
45 return str[0] == '.' && is_dir_sep(str[1]);
48 static int starts_with_dot_dot_slash(const char *str)
50 return str[0] == '.' && str[1] == '.' && is_dir_sep(str[2]);
54 * Returns 1 if it was the last chop before ':'.
56 static int chop_last_dir(char **remoteurl, int is_relative)
58 char *rfind = find_last_dir_sep(*remoteurl);
64 rfind = strrchr(*remoteurl, ':');
70 if (is_relative || !strcmp(".", *remoteurl))
71 die(_("cannot strip one component off url '%s'"),
75 *remoteurl = xstrdup(".");
80 * The `url` argument is the URL that navigates to the submodule origin
81 * repo. When relative, this URL is relative to the superproject origin
82 * URL repo. The `up_path` argument, if specified, is the relative
83 * path that navigates from the submodule working tree to the superproject
84 * working tree. Returns the origin URL of the submodule.
86 * Return either an absolute URL or filesystem path (if the superproject
87 * origin URL is an absolute URL or filesystem path, respectively) or a
88 * relative file system path (if the superproject origin URL is a relative
91 * When the output is a relative file system path, the path is either
92 * relative to the submodule working tree, if up_path is specified, or to
93 * the superproject working tree otherwise.
95 * NEEDSWORK: This works incorrectly on the domain and protocol part.
96 * remote_url url outcome expectation
97 * http://a.com/b ../c http://a.com/c as is
98 * http://a.com/b/ ../c http://a.com/c same as previous line, but
99 * ignore trailing slash in url
100 * http://a.com/b ../../c http://c error out
101 * http://a.com/b ../../../c http:/c error out
102 * http://a.com/b ../../../../c http:c error out
103 * http://a.com/b ../../../../../c .:c error out
104 * NEEDSWORK: Given how chop_last_dir() works, this function is broken
105 * when a local part has a colon in its path component, too.
107 static char *relative_url(const char *remote_url,
114 char *remoteurl = xstrdup(remote_url);
115 struct strbuf sb = STRBUF_INIT;
116 size_t len = strlen(remoteurl);
118 if (is_dir_sep(remoteurl[len-1]))
119 remoteurl[len-1] = '\0';
121 if (!url_is_local_not_ssh(remoteurl) || is_absolute_path(remoteurl))
126 * Prepend a './' to ensure all relative
127 * remoteurls start with './' or '../'
129 if (!starts_with_dot_slash(remoteurl) &&
130 !starts_with_dot_dot_slash(remoteurl)) {
132 strbuf_addf(&sb, "./%s", remoteurl);
134 remoteurl = strbuf_detach(&sb, NULL);
138 * When the url starts with '../', remove that and the
139 * last directory in remoteurl.
142 if (starts_with_dot_dot_slash(url)) {
144 colonsep |= chop_last_dir(&remoteurl, is_relative);
145 } else if (starts_with_dot_slash(url))
151 strbuf_addf(&sb, "%s%s%s", remoteurl, colonsep ? ":" : "/", url);
152 if (ends_with(url, "/"))
153 strbuf_setlen(&sb, sb.len - 1);
156 if (starts_with_dot_slash(sb.buf))
157 out = xstrdup(sb.buf + 2);
159 out = xstrdup(sb.buf);
162 if (!up_path || !is_relative)
165 strbuf_addf(&sb, "%s%s", up_path, out);
167 return strbuf_detach(&sb, NULL);
170 static int resolve_relative_url(int argc, const char **argv, const char *prefix)
172 char *remoteurl = NULL;
173 char *remote = get_default_remote();
174 const char *up_path = NULL;
177 struct strbuf sb = STRBUF_INIT;
179 if (argc != 2 && argc != 3)
180 die("resolve-relative-url only accepts one or two arguments");
183 strbuf_addf(&sb, "remote.%s.url", remote);
186 if (git_config_get_string(sb.buf, &remoteurl))
187 /* the repository is its own authoritative upstream */
188 remoteurl = xgetcwd();
193 res = relative_url(remoteurl, url, up_path);
200 static int resolve_relative_url_test(int argc, const char **argv, const char *prefix)
202 char *remoteurl, *res;
203 const char *up_path, *url;
206 die("resolve-relative-url-test only accepts three arguments: <up_path> <remoteurl> <url>");
209 remoteurl = xstrdup(argv[2]);
212 if (!strcmp(up_path, "(null)"))
215 res = relative_url(remoteurl, url, up_path);
223 const struct cache_entry **entries;
226 #define MODULE_LIST_INIT { NULL, 0, 0 }
228 static int module_list_compute(int argc, const char **argv,
230 struct pathspec *pathspec,
231 struct module_list *list)
234 char *ps_matched = NULL;
235 parse_pathspec(pathspec, 0,
236 PATHSPEC_PREFER_FULL |
237 PATHSPEC_STRIP_SUBMODULE_SLASH_CHEAP,
241 ps_matched = xcalloc(pathspec->nr, 1);
243 if (read_cache() < 0)
244 die(_("index file corrupt"));
246 for (i = 0; i < active_nr; i++) {
247 const struct cache_entry *ce = active_cache[i];
249 if (!match_pathspec(pathspec, ce->name, ce_namelen(ce),
251 !S_ISGITLINK(ce->ce_mode))
254 ALLOC_GROW(list->entries, list->nr + 1, list->alloc);
255 list->entries[list->nr++] = ce;
256 while (i + 1 < active_nr &&
257 !strcmp(ce->name, active_cache[i + 1]->name))
259 * Skip entries with the same name in different stages
260 * to make sure an entry is returned only once.
265 if (ps_matched && report_path_error(ps_matched, pathspec, prefix))
273 static void module_list_active(struct module_list *list)
276 struct module_list active_modules = MODULE_LIST_INIT;
280 for (i = 0; i < list->nr; i++) {
281 const struct cache_entry *ce = list->entries[i];
283 if (!is_submodule_initialized(ce->name))
286 ALLOC_GROW(active_modules.entries,
287 active_modules.nr + 1,
288 active_modules.alloc);
289 active_modules.entries[active_modules.nr++] = ce;
293 *list = active_modules;
296 static int module_list(int argc, const char **argv, const char *prefix)
299 struct pathspec pathspec;
300 struct module_list list = MODULE_LIST_INIT;
302 struct option module_list_options[] = {
303 OPT_STRING(0, "prefix", &prefix,
305 N_("alternative anchor for relative paths")),
309 const char *const git_submodule_helper_usage[] = {
310 N_("git submodule--helper list [--prefix=<path>] [<path>...]"),
314 argc = parse_options(argc, argv, prefix, module_list_options,
315 git_submodule_helper_usage, 0);
317 if (module_list_compute(argc, argv, prefix, &pathspec, &list) < 0)
320 for (i = 0; i < list.nr; i++) {
321 const struct cache_entry *ce = list.entries[i];
324 printf("%06o %s U\t", ce->ce_mode, sha1_to_hex(null_sha1));
326 printf("%06o %s %d\t", ce->ce_mode,
327 oid_to_hex(&ce->oid), ce_stage(ce));
329 utf8_fprintf(stdout, "%s\n", ce->name);
334 static void init_submodule(const char *path, const char *prefix, int quiet)
336 const struct submodule *sub;
337 struct strbuf sb = STRBUF_INIT;
338 char *upd = NULL, *url = NULL, *displaypath;
340 /* Only loads from .gitmodules, no overlay with .git/config */
343 if (prefix && get_super_prefix())
344 die("BUG: cannot have prefix and superprefix");
346 displaypath = xstrdup(relative_path(path, prefix, &sb));
347 else if (get_super_prefix()) {
348 strbuf_addf(&sb, "%s%s", get_super_prefix(), path);
349 displaypath = strbuf_detach(&sb, NULL);
351 displaypath = xstrdup(path);
353 sub = submodule_from_path(null_sha1, path);
356 die(_("No url found for submodule path '%s' in .gitmodules"),
360 * NEEDSWORK: In a multi-working-tree world, this needs to be
361 * set in the per-worktree config.
363 * Set active flag for the submodule being initialized
365 if (!is_submodule_initialized(path)) {
367 strbuf_addf(&sb, "submodule.%s.active", sub->name);
368 git_config_set_gently(sb.buf, "true");
372 * Copy url setting when it is not set yet.
373 * To look up the url in .git/config, we must not fall back to
374 * .gitmodules, so look it up directly.
377 strbuf_addf(&sb, "submodule.%s.url", sub->name);
378 if (git_config_get_string(sb.buf, &url)) {
380 die(_("No url found for submodule path '%s' in .gitmodules"),
383 url = xstrdup(sub->url);
385 /* Possibly a url relative to parent */
386 if (starts_with_dot_dot_slash(url) ||
387 starts_with_dot_slash(url)) {
388 char *remoteurl, *relurl;
389 char *remote = get_default_remote();
390 struct strbuf remotesb = STRBUF_INIT;
391 strbuf_addf(&remotesb, "remote.%s.url", remote);
394 if (git_config_get_string(remotesb.buf, &remoteurl)) {
395 warning(_("could not lookup configuration '%s'. Assuming this repository is its own authoritative upstream."), remotesb.buf);
396 remoteurl = xgetcwd();
398 relurl = relative_url(remoteurl, url, NULL);
399 strbuf_release(&remotesb);
405 if (git_config_set_gently(sb.buf, url))
406 die(_("Failed to register url for submodule path '%s'"),
410 _("Submodule '%s' (%s) registered for path '%s'\n"),
411 sub->name, url, displaypath);
414 /* Copy "update" setting when it is not set yet */
416 strbuf_addf(&sb, "submodule.%s.update", sub->name);
417 if (git_config_get_string(sb.buf, &upd) &&
418 sub->update_strategy.type != SM_UPDATE_UNSPECIFIED) {
419 if (sub->update_strategy.type == SM_UPDATE_COMMAND) {
420 fprintf(stderr, _("warning: command update mode suggested for submodule '%s'\n"),
422 upd = xstrdup("none");
424 upd = xstrdup(submodule_strategy_to_string(&sub->update_strategy));
426 if (git_config_set_gently(sb.buf, upd))
427 die(_("Failed to register update mode for submodule path '%s'"), displaypath);
435 static int module_init(int argc, const char **argv, const char *prefix)
437 struct pathspec pathspec;
438 struct module_list list = MODULE_LIST_INIT;
442 struct option module_init_options[] = {
443 OPT__QUIET(&quiet, N_("Suppress output for initializing a submodule")),
447 const char *const git_submodule_helper_usage[] = {
448 N_("git submodule--helper init [<path>]"),
452 argc = parse_options(argc, argv, prefix, module_init_options,
453 git_submodule_helper_usage, 0);
455 if (module_list_compute(argc, argv, prefix, &pathspec, &list) < 0)
459 * If there are no path args and submodule.active is set then,
460 * by default, only initialize 'active' modules.
462 if (!argc && git_config_get_value_multi("submodule.active"))
463 module_list_active(&list);
465 for (i = 0; i < list.nr; i++)
466 init_submodule(list.entries[i]->name, prefix, quiet);
471 static int module_name(int argc, const char **argv, const char *prefix)
473 const struct submodule *sub;
476 usage(_("git submodule--helper name <path>"));
479 sub = submodule_from_path(null_sha1, argv[1]);
482 die(_("no submodule mapping found in .gitmodules for path '%s'"),
485 printf("%s\n", sub->name);
490 static int clone_submodule(const char *path, const char *gitdir, const char *url,
491 const char *depth, struct string_list *reference,
492 int quiet, int progress)
494 struct child_process cp = CHILD_PROCESS_INIT;
496 argv_array_push(&cp.args, "clone");
497 argv_array_push(&cp.args, "--no-checkout");
499 argv_array_push(&cp.args, "--quiet");
501 argv_array_push(&cp.args, "--progress");
503 argv_array_pushl(&cp.args, "--depth", depth, NULL);
505 struct string_list_item *item;
506 for_each_string_list_item(item, reference)
507 argv_array_pushl(&cp.args, "--reference",
510 if (gitdir && *gitdir)
511 argv_array_pushl(&cp.args, "--separate-git-dir", gitdir, NULL);
513 argv_array_push(&cp.args, url);
514 argv_array_push(&cp.args, path);
517 prepare_submodule_repo_env(&cp.env_array);
520 return run_command(&cp);
523 struct submodule_alternate_setup {
524 const char *submodule_name;
525 enum SUBMODULE_ALTERNATE_ERROR_MODE {
526 SUBMODULE_ALTERNATE_ERROR_DIE,
527 SUBMODULE_ALTERNATE_ERROR_INFO,
528 SUBMODULE_ALTERNATE_ERROR_IGNORE
530 struct string_list *reference;
532 #define SUBMODULE_ALTERNATE_SETUP_INIT { NULL, \
533 SUBMODULE_ALTERNATE_ERROR_IGNORE, NULL }
535 static int add_possible_reference_from_superproject(
536 struct alternate_object_database *alt, void *sas_cb)
538 struct submodule_alternate_setup *sas = sas_cb;
541 * If the alternate object store is another repository, try the
542 * standard layout with .git/(modules/<name>)+/objects
544 if (ends_with(alt->path, "/objects")) {
546 struct strbuf sb = STRBUF_INIT;
547 struct strbuf err = STRBUF_INIT;
548 strbuf_add(&sb, alt->path, strlen(alt->path) - strlen("objects"));
551 * We need to end the new path with '/' to mark it as a dir,
552 * otherwise a submodule name containing '/' will be broken
553 * as the last part of a missing submodule reference would
554 * be taken as a file name.
556 strbuf_addf(&sb, "modules/%s/", sas->submodule_name);
558 sm_alternate = compute_alternate_path(sb.buf, &err);
560 string_list_append(sas->reference, xstrdup(sb.buf));
563 switch (sas->error_mode) {
564 case SUBMODULE_ALTERNATE_ERROR_DIE:
565 die(_("submodule '%s' cannot add alternate: %s"),
566 sas->submodule_name, err.buf);
567 case SUBMODULE_ALTERNATE_ERROR_INFO:
568 fprintf(stderr, _("submodule '%s' cannot add alternate: %s"),
569 sas->submodule_name, err.buf);
570 case SUBMODULE_ALTERNATE_ERROR_IGNORE:
580 static void prepare_possible_alternates(const char *sm_name,
581 struct string_list *reference)
583 char *sm_alternate = NULL, *error_strategy = NULL;
584 struct submodule_alternate_setup sas = SUBMODULE_ALTERNATE_SETUP_INIT;
586 git_config_get_string("submodule.alternateLocation", &sm_alternate);
590 git_config_get_string("submodule.alternateErrorStrategy", &error_strategy);
593 error_strategy = xstrdup("die");
595 sas.submodule_name = sm_name;
596 sas.reference = reference;
597 if (!strcmp(error_strategy, "die"))
598 sas.error_mode = SUBMODULE_ALTERNATE_ERROR_DIE;
599 else if (!strcmp(error_strategy, "info"))
600 sas.error_mode = SUBMODULE_ALTERNATE_ERROR_INFO;
601 else if (!strcmp(error_strategy, "ignore"))
602 sas.error_mode = SUBMODULE_ALTERNATE_ERROR_IGNORE;
604 die(_("Value '%s' for submodule.alternateErrorStrategy is not recognized"), error_strategy);
606 if (!strcmp(sm_alternate, "superproject"))
607 foreach_alt_odb(add_possible_reference_from_superproject, &sas);
608 else if (!strcmp(sm_alternate, "no"))
611 die(_("Value '%s' for submodule.alternateLocation is not recognized"), sm_alternate);
614 free(error_strategy);
617 static int module_clone(int argc, const char **argv, const char *prefix)
619 const char *name = NULL, *url = NULL, *depth = NULL;
622 char *p, *path = NULL, *sm_gitdir;
623 struct strbuf sb = STRBUF_INIT;
624 struct string_list reference = STRING_LIST_INIT_NODUP;
625 char *sm_alternate = NULL, *error_strategy = NULL;
627 struct option module_clone_options[] = {
628 OPT_STRING(0, "prefix", &prefix,
630 N_("alternative anchor for relative paths")),
631 OPT_STRING(0, "path", &path,
633 N_("where the new submodule will be cloned to")),
634 OPT_STRING(0, "name", &name,
636 N_("name of the new submodule")),
637 OPT_STRING(0, "url", &url,
639 N_("url where to clone the submodule from")),
640 OPT_STRING_LIST(0, "reference", &reference,
642 N_("reference repository")),
643 OPT_STRING(0, "depth", &depth,
645 N_("depth for shallow clones")),
646 OPT__QUIET(&quiet, "Suppress output for cloning a submodule"),
647 OPT_BOOL(0, "progress", &progress,
648 N_("force cloning progress")),
652 const char *const git_submodule_helper_usage[] = {
653 N_("git submodule--helper clone [--prefix=<path>] [--quiet] "
654 "[--reference <repository>] [--name <name>] [--depth <depth>] "
655 "--url <url> --path <path>"),
659 argc = parse_options(argc, argv, prefix, module_clone_options,
660 git_submodule_helper_usage, 0);
662 if (argc || !url || !path || !*path)
663 usage_with_options(git_submodule_helper_usage,
664 module_clone_options);
666 strbuf_addf(&sb, "%s/modules/%s", get_git_dir(), name);
667 sm_gitdir = absolute_pathdup(sb.buf);
670 if (!is_absolute_path(path)) {
671 strbuf_addf(&sb, "%s/%s", get_git_work_tree(), path);
672 path = strbuf_detach(&sb, NULL);
674 path = xstrdup(path);
676 if (!file_exists(sm_gitdir)) {
677 if (safe_create_leading_directories_const(sm_gitdir) < 0)
678 die(_("could not create directory '%s'"), sm_gitdir);
680 prepare_possible_alternates(name, &reference);
682 if (clone_submodule(path, sm_gitdir, url, depth, &reference,
684 die(_("clone of '%s' into submodule path '%s' failed"),
687 if (safe_create_leading_directories_const(path) < 0)
688 die(_("could not create directory '%s'"), path);
689 strbuf_addf(&sb, "%s/index", sm_gitdir);
690 unlink_or_warn(sb.buf);
694 /* Connect module worktree and git dir */
695 connect_work_tree_and_git_dir(path, sm_gitdir);
697 p = git_pathdup_submodule(path, "config");
699 die(_("could not get submodule directory for '%s'"), path);
701 /* setup alternateLocation and alternateErrorStrategy in the cloned submodule if needed */
702 git_config_get_string("submodule.alternateLocation", &sm_alternate);
704 git_config_set_in_file(p, "submodule.alternateLocation",
706 git_config_get_string("submodule.alternateErrorStrategy", &error_strategy);
708 git_config_set_in_file(p, "submodule.alternateErrorStrategy",
712 free(error_strategy);
721 struct submodule_update_clone {
722 /* index into 'list', the list of submodules to look into for cloning */
724 struct module_list list;
725 unsigned warn_if_uninitialized : 1;
727 /* update parameter passed via commandline */
728 struct submodule_update_strategy update;
730 /* configuration parameters which are passed on to the children */
733 int recommend_shallow;
734 struct string_list references;
736 const char *recursive_prefix;
739 /* Machine-readable status lines to be consumed by git-submodule.sh */
740 struct string_list projectlines;
742 /* If we want to stop as fast as possible and return an error */
743 unsigned quickstop : 1;
745 /* failed clones to be retried again */
746 const struct cache_entry **failed_clones;
747 int failed_clones_nr, failed_clones_alloc;
749 #define SUBMODULE_UPDATE_CLONE_INIT {0, MODULE_LIST_INIT, 0, \
750 SUBMODULE_UPDATE_STRATEGY_INIT, 0, 0, -1, STRING_LIST_INIT_DUP, \
752 STRING_LIST_INIT_DUP, 0, NULL, 0, 0}
755 static void next_submodule_warn_missing(struct submodule_update_clone *suc,
756 struct strbuf *out, const char *displaypath)
759 * Only mention uninitialized submodules when their
760 * paths have been specified.
762 if (suc->warn_if_uninitialized) {
764 _("Submodule path '%s' not initialized"),
766 strbuf_addch(out, '\n');
768 _("Maybe you want to use 'update --init'?"));
769 strbuf_addch(out, '\n');
774 * Determine whether 'ce' needs to be cloned. If so, prepare the 'child' to
775 * run the clone. Returns 1 if 'ce' needs to be cloned, 0 otherwise.
777 static int prepare_to_clone_next_submodule(const struct cache_entry *ce,
778 struct child_process *child,
779 struct submodule_update_clone *suc,
782 const struct submodule *sub = NULL;
783 struct strbuf displaypath_sb = STRBUF_INIT;
784 struct strbuf sb = STRBUF_INIT;
785 const char *displaypath = NULL;
786 int needs_cloning = 0;
789 if (suc->recursive_prefix)
790 strbuf_addf(&sb, "%s/%s", suc->recursive_prefix, ce->name);
792 strbuf_addstr(&sb, ce->name);
793 strbuf_addf(out, _("Skipping unmerged submodule %s"), sb.buf);
794 strbuf_addch(out, '\n');
798 sub = submodule_from_path(null_sha1, ce->name);
800 if (suc->recursive_prefix)
801 displaypath = relative_path(suc->recursive_prefix,
802 ce->name, &displaypath_sb);
804 displaypath = ce->name;
807 next_submodule_warn_missing(suc, out, displaypath);
811 if (suc->update.type == SM_UPDATE_NONE
812 || (suc->update.type == SM_UPDATE_UNSPECIFIED
813 && sub->update_strategy.type == SM_UPDATE_NONE)) {
814 strbuf_addf(out, _("Skipping submodule '%s'"), displaypath);
815 strbuf_addch(out, '\n');
819 /* Check if the submodule has been initialized. */
820 if (!is_submodule_initialized(ce->name)) {
821 next_submodule_warn_missing(suc, out, displaypath);
826 strbuf_addf(&sb, "%s/.git", ce->name);
827 needs_cloning = !file_exists(sb.buf);
830 strbuf_addf(&sb, "%06o %s %d %d\t%s\n", ce->ce_mode,
831 oid_to_hex(&ce->oid), ce_stage(ce),
832 needs_cloning, ce->name);
833 string_list_append(&suc->projectlines, sb.buf);
840 child->stdout_to_stderr = 1;
842 argv_array_push(&child->args, "submodule--helper");
843 argv_array_push(&child->args, "clone");
845 argv_array_push(&child->args, "--progress");
847 argv_array_push(&child->args, "--quiet");
849 argv_array_pushl(&child->args, "--prefix", suc->prefix, NULL);
850 if (suc->recommend_shallow && sub->recommend_shallow == 1)
851 argv_array_push(&child->args, "--depth=1");
852 argv_array_pushl(&child->args, "--path", sub->path, NULL);
853 argv_array_pushl(&child->args, "--name", sub->name, NULL);
854 argv_array_pushl(&child->args, "--url", sub->url, NULL);
855 if (suc->references.nr) {
856 struct string_list_item *item;
857 for_each_string_list_item(item, &suc->references)
858 argv_array_pushl(&child->args, "--reference", item->string, NULL);
861 argv_array_push(&child->args, suc->depth);
864 strbuf_reset(&displaypath_sb);
867 return needs_cloning;
870 static int update_clone_get_next_task(struct child_process *child,
875 struct submodule_update_clone *suc = suc_cb;
876 const struct cache_entry *ce;
879 for (; suc->current < suc->list.nr; suc->current++) {
880 ce = suc->list.entries[suc->current];
881 if (prepare_to_clone_next_submodule(ce, child, suc, err)) {
882 int *p = xmalloc(sizeof(*p));
891 * The loop above tried cloning each submodule once, now try the
892 * stragglers again, which we can imagine as an extension of the
895 index = suc->current - suc->list.nr;
896 if (index < suc->failed_clones_nr) {
898 ce = suc->failed_clones[index];
899 if (!prepare_to_clone_next_submodule(ce, child, suc, err)) {
901 strbuf_addstr(err, "BUG: submodule considered for "
902 "cloning, doesn't need cloning "
906 p = xmalloc(sizeof(*p));
916 static int update_clone_start_failure(struct strbuf *err,
920 struct submodule_update_clone *suc = suc_cb;
925 static int update_clone_task_finished(int result,
930 const struct cache_entry *ce;
931 struct submodule_update_clone *suc = suc_cb;
933 int *idxP = *(int**)idx_task_cb;
940 if (idx < suc->list.nr) {
941 ce = suc->list.entries[idx];
942 strbuf_addf(err, _("Failed to clone '%s'. Retry scheduled"),
944 strbuf_addch(err, '\n');
945 ALLOC_GROW(suc->failed_clones,
946 suc->failed_clones_nr + 1,
947 suc->failed_clones_alloc);
948 suc->failed_clones[suc->failed_clones_nr++] = ce;
952 ce = suc->failed_clones[idx];
953 strbuf_addf(err, _("Failed to clone '%s' a second time, aborting"),
955 strbuf_addch(err, '\n');
963 static int update_clone(int argc, const char **argv, const char *prefix)
965 const char *update = NULL;
967 struct string_list_item *item;
968 struct pathspec pathspec;
969 struct submodule_update_clone suc = SUBMODULE_UPDATE_CLONE_INIT;
971 struct option module_update_clone_options[] = {
972 OPT_STRING(0, "prefix", &prefix,
974 N_("path into the working tree")),
975 OPT_STRING(0, "recursive-prefix", &suc.recursive_prefix,
977 N_("path into the working tree, across nested "
978 "submodule boundaries")),
979 OPT_STRING(0, "update", &update,
981 N_("rebase, merge, checkout or none")),
982 OPT_STRING_LIST(0, "reference", &suc.references, N_("repo"),
983 N_("reference repository")),
984 OPT_STRING(0, "depth", &suc.depth, "<depth>",
985 N_("Create a shallow clone truncated to the "
986 "specified number of revisions")),
987 OPT_INTEGER('j', "jobs", &max_jobs,
988 N_("parallel jobs")),
989 OPT_BOOL(0, "recommend-shallow", &suc.recommend_shallow,
990 N_("whether the initial clone should follow the shallow recommendation")),
991 OPT__QUIET(&suc.quiet, N_("don't print cloning progress")),
992 OPT_BOOL(0, "progress", &suc.progress,
993 N_("force cloning progress")),
997 const char *const git_submodule_helper_usage[] = {
998 N_("git submodule--helper update_clone [--prefix=<path>] [<path>...]"),
1001 suc.prefix = prefix;
1003 argc = parse_options(argc, argv, prefix, module_update_clone_options,
1004 git_submodule_helper_usage, 0);
1007 if (parse_submodule_update_strategy(update, &suc.update) < 0)
1008 die(_("bad value for update parameter"));
1010 if (module_list_compute(argc, argv, prefix, &pathspec, &suc.list) < 0)
1014 suc.warn_if_uninitialized = 1;
1016 /* Overlay the parsed .gitmodules file with .git/config */
1017 gitmodules_config();
1018 git_config(submodule_config, NULL);
1021 max_jobs = parallel_submodules();
1023 run_processes_parallel(max_jobs,
1024 update_clone_get_next_task,
1025 update_clone_start_failure,
1026 update_clone_task_finished,
1030 * We saved the output and put it out all at once now.
1032 * - the listener does not have to interleave their (checkout)
1033 * work with our fetching. The writes involved in a
1034 * checkout involve more straightforward sequential I/O.
1035 * - the listener can avoid doing any work if fetching failed.
1040 for_each_string_list_item(item, &suc.projectlines)
1041 utf8_fprintf(stdout, "%s", item->string);
1046 static int resolve_relative_path(int argc, const char **argv, const char *prefix)
1048 struct strbuf sb = STRBUF_INIT;
1050 die("submodule--helper relative-path takes exactly 2 arguments, got %d", argc);
1052 printf("%s", relative_path(argv[1], argv[2], &sb));
1053 strbuf_release(&sb);
1057 static const char *remote_submodule_branch(const char *path)
1059 const struct submodule *sub;
1060 gitmodules_config();
1061 git_config(submodule_config, NULL);
1063 sub = submodule_from_path(null_sha1, path);
1070 if (!strcmp(sub->branch, ".")) {
1071 unsigned char sha1[20];
1072 const char *refname = resolve_ref_unsafe("HEAD", 0, sha1, NULL);
1075 die(_("No such ref: %s"), "HEAD");
1078 if (!strcmp(refname, "HEAD"))
1079 die(_("Submodule (%s) branch configured to inherit "
1080 "branch from superproject, but the superproject "
1081 "is not on any branch"), sub->name);
1083 if (!skip_prefix(refname, "refs/heads/", &refname))
1084 die(_("Expecting a full ref name, got %s"), refname);
1091 static int resolve_remote_submodule_branch(int argc, const char **argv,
1095 struct strbuf sb = STRBUF_INIT;
1097 die("submodule--helper remote-branch takes exactly one arguments, got %d", argc);
1099 ret = remote_submodule_branch(argv[1]);
1101 die("submodule %s doesn't exist", argv[1]);
1104 strbuf_release(&sb);
1108 static int push_check(int argc, const char **argv, const char *prefix)
1110 struct remote *remote;
1113 die("submodule--helper push-check requires at least 1 argument");
1116 * The remote must be configured.
1117 * This is to avoid pushing to the exact same URL as the parent.
1119 remote = pushremote_get(argv[1]);
1120 if (!remote || remote->origin == REMOTE_UNCONFIGURED)
1121 die("remote '%s' not configured", argv[1]);
1123 /* Check the refspec */
1125 int i, refspec_nr = argc - 2;
1126 struct ref *local_refs = get_local_heads();
1127 struct refspec *refspec = parse_push_refspec(refspec_nr,
1130 for (i = 0; i < refspec_nr; i++) {
1131 struct refspec *rs = refspec + i;
1133 if (rs->pattern || rs->matching)
1137 * LHS must match a single ref
1138 * NEEDSWORK: add logic to special case 'HEAD' once
1139 * working with submodules in a detached head state
1140 * ceases to be the norm.
1142 if (count_refspec_match(rs->src, local_refs, NULL) != 1)
1143 die("src refspec '%s' must name a ref",
1146 free_refspec(refspec_nr, refspec);
1152 static int absorb_git_dirs(int argc, const char **argv, const char *prefix)
1155 struct pathspec pathspec;
1156 struct module_list list = MODULE_LIST_INIT;
1157 unsigned flags = ABSORB_GITDIR_RECURSE_SUBMODULES;
1159 struct option embed_gitdir_options[] = {
1160 OPT_STRING(0, "prefix", &prefix,
1162 N_("path into the working tree")),
1163 OPT_BIT(0, "--recursive", &flags, N_("recurse into submodules"),
1164 ABSORB_GITDIR_RECURSE_SUBMODULES),
1168 const char *const git_submodule_helper_usage[] = {
1169 N_("git submodule--helper embed-git-dir [<path>...]"),
1173 argc = parse_options(argc, argv, prefix, embed_gitdir_options,
1174 git_submodule_helper_usage, 0);
1176 gitmodules_config();
1177 git_config(submodule_config, NULL);
1179 if (module_list_compute(argc, argv, prefix, &pathspec, &list) < 0)
1182 for (i = 0; i < list.nr; i++)
1183 absorb_git_dir_into_superproject(prefix,
1184 list.entries[i]->name, flags);
1189 static int is_active(int argc, const char **argv, const char *prefix)
1192 die("submodule--helper is-active takes exactly 1 argument");
1194 gitmodules_config();
1196 return !is_submodule_initialized(argv[1]);
1199 #define SUPPORT_SUPER_PREFIX (1<<0)
1203 int (*fn)(int, const char **, const char *);
1207 static struct cmd_struct commands[] = {
1208 {"list", module_list, 0},
1209 {"name", module_name, 0},
1210 {"clone", module_clone, 0},
1211 {"update-clone", update_clone, 0},
1212 {"relative-path", resolve_relative_path, 0},
1213 {"resolve-relative-url", resolve_relative_url, 0},
1214 {"resolve-relative-url-test", resolve_relative_url_test, 0},
1215 {"init", module_init, SUPPORT_SUPER_PREFIX},
1216 {"remote-branch", resolve_remote_submodule_branch, 0},
1217 {"push-check", push_check, 0},
1218 {"absorb-git-dirs", absorb_git_dirs, SUPPORT_SUPER_PREFIX},
1219 {"is-active", is_active, 0},
1222 int cmd_submodule__helper(int argc, const char **argv, const char *prefix)
1226 die(_("submodule--helper subcommand must be "
1227 "called with a subcommand"));
1229 for (i = 0; i < ARRAY_SIZE(commands); i++) {
1230 if (!strcmp(argv[1], commands[i].cmd)) {
1231 if (get_super_prefix() &&
1232 !(commands[i].option & SUPPORT_SUPER_PREFIX))
1233 die(_("%s doesn't support --super-prefix"),
1235 return commands[i].fn(argc - 1, argv + 1, prefix);
1239 die(_("'%s' is not a valid submodule--helper "
1240 "subcommand"), argv[1]);