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 int module_list(int argc, const char **argv, const char *prefix)
276 struct pathspec pathspec;
277 struct module_list list = MODULE_LIST_INIT;
279 struct option module_list_options[] = {
280 OPT_STRING(0, "prefix", &prefix,
282 N_("alternative anchor for relative paths")),
286 const char *const git_submodule_helper_usage[] = {
287 N_("git submodule--helper list [--prefix=<path>] [<path>...]"),
291 argc = parse_options(argc, argv, prefix, module_list_options,
292 git_submodule_helper_usage, 0);
294 if (module_list_compute(argc, argv, prefix, &pathspec, &list) < 0)
297 for (i = 0; i < list.nr; i++) {
298 const struct cache_entry *ce = list.entries[i];
301 printf("%06o %s U\t", ce->ce_mode, sha1_to_hex(null_sha1));
303 printf("%06o %s %d\t", ce->ce_mode,
304 oid_to_hex(&ce->oid), ce_stage(ce));
306 utf8_fprintf(stdout, "%s\n", ce->name);
311 static void init_submodule(const char *path, const char *prefix, int quiet)
313 const struct submodule *sub;
314 struct strbuf sb = STRBUF_INIT;
315 char *upd = NULL, *url = NULL, *displaypath;
317 /* Only loads from .gitmodules, no overlay with .git/config */
320 if (prefix && get_super_prefix())
321 die("BUG: cannot have prefix and superprefix");
323 displaypath = xstrdup(relative_path(path, prefix, &sb));
324 else if (get_super_prefix()) {
325 strbuf_addf(&sb, "%s%s", get_super_prefix(), path);
326 displaypath = strbuf_detach(&sb, NULL);
328 displaypath = xstrdup(path);
330 sub = submodule_from_path(null_sha1, path);
333 die(_("No url found for submodule path '%s' in .gitmodules"),
337 * Copy url setting when it is not set yet.
338 * To look up the url in .git/config, we must not fall back to
339 * .gitmodules, so look it up directly.
342 strbuf_addf(&sb, "submodule.%s.url", sub->name);
343 if (git_config_get_string(sb.buf, &url)) {
344 url = xstrdup(sub->url);
347 die(_("No url found for submodule path '%s' in .gitmodules"),
350 /* Possibly a url relative to parent */
351 if (starts_with_dot_dot_slash(url) ||
352 starts_with_dot_slash(url)) {
353 char *remoteurl, *relurl;
354 char *remote = get_default_remote();
355 struct strbuf remotesb = STRBUF_INIT;
356 strbuf_addf(&remotesb, "remote.%s.url", remote);
359 if (git_config_get_string(remotesb.buf, &remoteurl)) {
360 warning(_("could not lookup configuration '%s'. Assuming this repository is its own authoritative upstream."), remotesb.buf);
361 remoteurl = xgetcwd();
363 relurl = relative_url(remoteurl, url, NULL);
364 strbuf_release(&remotesb);
370 if (git_config_set_gently(sb.buf, url))
371 die(_("Failed to register url for submodule path '%s'"),
375 _("Submodule '%s' (%s) registered for path '%s'\n"),
376 sub->name, url, displaypath);
379 /* Copy "update" setting when it is not set yet */
381 strbuf_addf(&sb, "submodule.%s.update", sub->name);
382 if (git_config_get_string(sb.buf, &upd) &&
383 sub->update_strategy.type != SM_UPDATE_UNSPECIFIED) {
384 if (sub->update_strategy.type == SM_UPDATE_COMMAND) {
385 fprintf(stderr, _("warning: command update mode suggested for submodule '%s'\n"),
387 upd = xstrdup("none");
389 upd = xstrdup(submodule_strategy_to_string(&sub->update_strategy));
391 if (git_config_set_gently(sb.buf, upd))
392 die(_("Failed to register update mode for submodule path '%s'"), displaypath);
400 static int module_init(int argc, const char **argv, const char *prefix)
402 struct pathspec pathspec;
403 struct module_list list = MODULE_LIST_INIT;
407 struct option module_init_options[] = {
408 OPT__QUIET(&quiet, N_("Suppress output for initializing a submodule")),
412 const char *const git_submodule_helper_usage[] = {
413 N_("git submodule--helper init [<path>]"),
417 argc = parse_options(argc, argv, prefix, module_init_options,
418 git_submodule_helper_usage, 0);
420 if (module_list_compute(argc, argv, prefix, &pathspec, &list) < 0)
423 for (i = 0; i < list.nr; i++)
424 init_submodule(list.entries[i]->name, prefix, quiet);
429 static int module_name(int argc, const char **argv, const char *prefix)
431 const struct submodule *sub;
434 usage(_("git submodule--helper name <path>"));
437 sub = submodule_from_path(null_sha1, argv[1]);
440 die(_("no submodule mapping found in .gitmodules for path '%s'"),
443 printf("%s\n", sub->name);
448 static int clone_submodule(const char *path, const char *gitdir, const char *url,
449 const char *depth, struct string_list *reference,
450 int quiet, int progress)
452 struct child_process cp = CHILD_PROCESS_INIT;
454 argv_array_push(&cp.args, "clone");
455 argv_array_push(&cp.args, "--no-checkout");
457 argv_array_push(&cp.args, "--quiet");
459 argv_array_push(&cp.args, "--progress");
461 argv_array_pushl(&cp.args, "--depth", depth, NULL);
463 struct string_list_item *item;
464 for_each_string_list_item(item, reference)
465 argv_array_pushl(&cp.args, "--reference",
468 if (gitdir && *gitdir)
469 argv_array_pushl(&cp.args, "--separate-git-dir", gitdir, NULL);
471 argv_array_push(&cp.args, url);
472 argv_array_push(&cp.args, path);
475 prepare_submodule_repo_env(&cp.env_array);
478 return run_command(&cp);
481 struct submodule_alternate_setup {
482 const char *submodule_name;
483 enum SUBMODULE_ALTERNATE_ERROR_MODE {
484 SUBMODULE_ALTERNATE_ERROR_DIE,
485 SUBMODULE_ALTERNATE_ERROR_INFO,
486 SUBMODULE_ALTERNATE_ERROR_IGNORE
488 struct string_list *reference;
490 #define SUBMODULE_ALTERNATE_SETUP_INIT { NULL, \
491 SUBMODULE_ALTERNATE_ERROR_IGNORE, NULL }
493 static int add_possible_reference_from_superproject(
494 struct alternate_object_database *alt, void *sas_cb)
496 struct submodule_alternate_setup *sas = sas_cb;
499 * If the alternate object store is another repository, try the
500 * standard layout with .git/(modules/<name>)+/objects
502 if (ends_with(alt->path, "/objects")) {
504 struct strbuf sb = STRBUF_INIT;
505 struct strbuf err = STRBUF_INIT;
506 strbuf_add(&sb, alt->path, strlen(alt->path) - strlen("objects"));
509 * We need to end the new path with '/' to mark it as a dir,
510 * otherwise a submodule name containing '/' will be broken
511 * as the last part of a missing submodule reference would
512 * be taken as a file name.
514 strbuf_addf(&sb, "modules/%s/", sas->submodule_name);
516 sm_alternate = compute_alternate_path(sb.buf, &err);
518 string_list_append(sas->reference, xstrdup(sb.buf));
521 switch (sas->error_mode) {
522 case SUBMODULE_ALTERNATE_ERROR_DIE:
523 die(_("submodule '%s' cannot add alternate: %s"),
524 sas->submodule_name, err.buf);
525 case SUBMODULE_ALTERNATE_ERROR_INFO:
526 fprintf(stderr, _("submodule '%s' cannot add alternate: %s"),
527 sas->submodule_name, err.buf);
528 case SUBMODULE_ALTERNATE_ERROR_IGNORE:
538 static void prepare_possible_alternates(const char *sm_name,
539 struct string_list *reference)
541 char *sm_alternate = NULL, *error_strategy = NULL;
542 struct submodule_alternate_setup sas = SUBMODULE_ALTERNATE_SETUP_INIT;
544 git_config_get_string("submodule.alternateLocation", &sm_alternate);
548 git_config_get_string("submodule.alternateErrorStrategy", &error_strategy);
551 error_strategy = xstrdup("die");
553 sas.submodule_name = sm_name;
554 sas.reference = reference;
555 if (!strcmp(error_strategy, "die"))
556 sas.error_mode = SUBMODULE_ALTERNATE_ERROR_DIE;
557 else if (!strcmp(error_strategy, "info"))
558 sas.error_mode = SUBMODULE_ALTERNATE_ERROR_INFO;
559 else if (!strcmp(error_strategy, "ignore"))
560 sas.error_mode = SUBMODULE_ALTERNATE_ERROR_IGNORE;
562 die(_("Value '%s' for submodule.alternateErrorStrategy is not recognized"), error_strategy);
564 if (!strcmp(sm_alternate, "superproject"))
565 foreach_alt_odb(add_possible_reference_from_superproject, &sas);
566 else if (!strcmp(sm_alternate, "no"))
569 die(_("Value '%s' for submodule.alternateLocation is not recognized"), sm_alternate);
572 free(error_strategy);
575 static int module_clone(int argc, const char **argv, const char *prefix)
577 const char *name = NULL, *url = NULL, *depth = NULL;
580 FILE *submodule_dot_git;
581 char *p, *path = NULL, *sm_gitdir;
582 struct strbuf rel_path = STRBUF_INIT;
583 struct strbuf sb = STRBUF_INIT;
584 struct string_list reference = STRING_LIST_INIT_NODUP;
585 char *sm_alternate = NULL, *error_strategy = NULL;
587 struct option module_clone_options[] = {
588 OPT_STRING(0, "prefix", &prefix,
590 N_("alternative anchor for relative paths")),
591 OPT_STRING(0, "path", &path,
593 N_("where the new submodule will be cloned to")),
594 OPT_STRING(0, "name", &name,
596 N_("name of the new submodule")),
597 OPT_STRING(0, "url", &url,
599 N_("url where to clone the submodule from")),
600 OPT_STRING_LIST(0, "reference", &reference,
602 N_("reference repository")),
603 OPT_STRING(0, "depth", &depth,
605 N_("depth for shallow clones")),
606 OPT__QUIET(&quiet, "Suppress output for cloning a submodule"),
607 OPT_BOOL(0, "progress", &progress,
608 N_("force cloning progress")),
612 const char *const git_submodule_helper_usage[] = {
613 N_("git submodule--helper clone [--prefix=<path>] [--quiet] "
614 "[--reference <repository>] [--name <name>] [--depth <depth>] "
615 "--url <url> --path <path>"),
619 argc = parse_options(argc, argv, prefix, module_clone_options,
620 git_submodule_helper_usage, 0);
622 if (argc || !url || !path || !*path)
623 usage_with_options(git_submodule_helper_usage,
624 module_clone_options);
626 strbuf_addf(&sb, "%s/modules/%s", get_git_dir(), name);
627 sm_gitdir = absolute_pathdup(sb.buf);
630 if (!is_absolute_path(path)) {
631 strbuf_addf(&sb, "%s/%s", get_git_work_tree(), path);
632 path = strbuf_detach(&sb, NULL);
634 path = xstrdup(path);
636 if (!file_exists(sm_gitdir)) {
637 if (safe_create_leading_directories_const(sm_gitdir) < 0)
638 die(_("could not create directory '%s'"), sm_gitdir);
640 prepare_possible_alternates(name, &reference);
642 if (clone_submodule(path, sm_gitdir, url, depth, &reference,
644 die(_("clone of '%s' into submodule path '%s' failed"),
647 if (safe_create_leading_directories_const(path) < 0)
648 die(_("could not create directory '%s'"), path);
649 strbuf_addf(&sb, "%s/index", sm_gitdir);
650 unlink_or_warn(sb.buf);
654 /* Write a .git file in the submodule to redirect to the superproject. */
655 strbuf_addf(&sb, "%s/.git", path);
656 if (safe_create_leading_directories_const(sb.buf) < 0)
657 die(_("could not create leading directories of '%s'"), sb.buf);
658 submodule_dot_git = fopen(sb.buf, "w");
659 if (!submodule_dot_git)
660 die_errno(_("cannot open file '%s'"), sb.buf);
662 fprintf_or_die(submodule_dot_git, "gitdir: %s\n",
663 relative_path(sm_gitdir, path, &rel_path));
664 if (fclose(submodule_dot_git))
665 die(_("could not close file %s"), sb.buf);
667 strbuf_reset(&rel_path);
669 /* Redirect the worktree of the submodule in the superproject's config */
670 p = git_pathdup_submodule(path, "config");
672 die(_("could not get submodule directory for '%s'"), path);
673 git_config_set_in_file(p, "core.worktree",
674 relative_path(path, sm_gitdir, &rel_path));
676 /* setup alternateLocation and alternateErrorStrategy in the cloned submodule if needed */
677 git_config_get_string("submodule.alternateLocation", &sm_alternate);
679 git_config_set_in_file(p, "submodule.alternateLocation",
681 git_config_get_string("submodule.alternateErrorStrategy", &error_strategy);
683 git_config_set_in_file(p, "submodule.alternateErrorStrategy",
687 free(error_strategy);
690 strbuf_release(&rel_path);
697 struct submodule_update_clone {
698 /* index into 'list', the list of submodules to look into for cloning */
700 struct module_list list;
701 unsigned warn_if_uninitialized : 1;
703 /* update parameter passed via commandline */
704 struct submodule_update_strategy update;
706 /* configuration parameters which are passed on to the children */
709 int recommend_shallow;
710 struct string_list references;
712 const char *recursive_prefix;
715 /* Machine-readable status lines to be consumed by git-submodule.sh */
716 struct string_list projectlines;
718 /* If we want to stop as fast as possible and return an error */
719 unsigned quickstop : 1;
721 /* failed clones to be retried again */
722 const struct cache_entry **failed_clones;
723 int failed_clones_nr, failed_clones_alloc;
725 #define SUBMODULE_UPDATE_CLONE_INIT {0, MODULE_LIST_INIT, 0, \
726 SUBMODULE_UPDATE_STRATEGY_INIT, 0, 0, -1, STRING_LIST_INIT_DUP, \
728 STRING_LIST_INIT_DUP, 0, NULL, 0, 0}
731 static void next_submodule_warn_missing(struct submodule_update_clone *suc,
732 struct strbuf *out, const char *displaypath)
735 * Only mention uninitialized submodules when their
736 * paths have been specified.
738 if (suc->warn_if_uninitialized) {
740 _("Submodule path '%s' not initialized"),
742 strbuf_addch(out, '\n');
744 _("Maybe you want to use 'update --init'?"));
745 strbuf_addch(out, '\n');
750 * Determine whether 'ce' needs to be cloned. If so, prepare the 'child' to
751 * run the clone. Returns 1 if 'ce' needs to be cloned, 0 otherwise.
753 static int prepare_to_clone_next_submodule(const struct cache_entry *ce,
754 struct child_process *child,
755 struct submodule_update_clone *suc,
758 const struct submodule *sub = NULL;
759 struct strbuf displaypath_sb = STRBUF_INIT;
760 struct strbuf sb = STRBUF_INIT;
761 const char *displaypath = NULL;
763 int needs_cloning = 0;
766 if (suc->recursive_prefix)
767 strbuf_addf(&sb, "%s/%s", suc->recursive_prefix, ce->name);
769 strbuf_addstr(&sb, ce->name);
770 strbuf_addf(out, _("Skipping unmerged submodule %s"), sb.buf);
771 strbuf_addch(out, '\n');
775 sub = submodule_from_path(null_sha1, ce->name);
777 if (suc->recursive_prefix)
778 displaypath = relative_path(suc->recursive_prefix,
779 ce->name, &displaypath_sb);
781 displaypath = ce->name;
784 next_submodule_warn_missing(suc, out, displaypath);
788 if (suc->update.type == SM_UPDATE_NONE
789 || (suc->update.type == SM_UPDATE_UNSPECIFIED
790 && sub->update_strategy.type == SM_UPDATE_NONE)) {
791 strbuf_addf(out, _("Skipping submodule '%s'"), displaypath);
792 strbuf_addch(out, '\n');
797 * Looking up the url in .git/config.
798 * We must not fall back to .gitmodules as we only want
799 * to process configured submodules.
802 strbuf_addf(&sb, "submodule.%s.url", sub->name);
803 git_config_get_string(sb.buf, &url);
805 next_submodule_warn_missing(suc, out, displaypath);
810 strbuf_addf(&sb, "%s/.git", ce->name);
811 needs_cloning = !file_exists(sb.buf);
814 strbuf_addf(&sb, "%06o %s %d %d\t%s\n", ce->ce_mode,
815 oid_to_hex(&ce->oid), ce_stage(ce),
816 needs_cloning, ce->name);
817 string_list_append(&suc->projectlines, sb.buf);
824 child->stdout_to_stderr = 1;
826 argv_array_push(&child->args, "submodule--helper");
827 argv_array_push(&child->args, "clone");
829 argv_array_push(&child->args, "--progress");
831 argv_array_push(&child->args, "--quiet");
833 argv_array_pushl(&child->args, "--prefix", suc->prefix, NULL);
834 if (suc->recommend_shallow && sub->recommend_shallow == 1)
835 argv_array_push(&child->args, "--depth=1");
836 argv_array_pushl(&child->args, "--path", sub->path, NULL);
837 argv_array_pushl(&child->args, "--name", sub->name, NULL);
838 argv_array_pushl(&child->args, "--url", url, NULL);
839 if (suc->references.nr) {
840 struct string_list_item *item;
841 for_each_string_list_item(item, &suc->references)
842 argv_array_pushl(&child->args, "--reference", item->string, NULL);
845 argv_array_push(&child->args, suc->depth);
849 strbuf_reset(&displaypath_sb);
852 return needs_cloning;
855 static int update_clone_get_next_task(struct child_process *child,
860 struct submodule_update_clone *suc = suc_cb;
861 const struct cache_entry *ce;
864 for (; suc->current < suc->list.nr; suc->current++) {
865 ce = suc->list.entries[suc->current];
866 if (prepare_to_clone_next_submodule(ce, child, suc, err)) {
867 int *p = xmalloc(sizeof(*p));
876 * The loop above tried cloning each submodule once, now try the
877 * stragglers again, which we can imagine as an extension of the
880 index = suc->current - suc->list.nr;
881 if (index < suc->failed_clones_nr) {
883 ce = suc->failed_clones[index];
884 if (!prepare_to_clone_next_submodule(ce, child, suc, err)) {
886 strbuf_addstr(err, "BUG: submodule considered for "
887 "cloning, doesn't need cloning "
891 p = xmalloc(sizeof(*p));
901 static int update_clone_start_failure(struct strbuf *err,
905 struct submodule_update_clone *suc = suc_cb;
910 static int update_clone_task_finished(int result,
915 const struct cache_entry *ce;
916 struct submodule_update_clone *suc = suc_cb;
918 int *idxP = *(int**)idx_task_cb;
925 if (idx < suc->list.nr) {
926 ce = suc->list.entries[idx];
927 strbuf_addf(err, _("Failed to clone '%s'. Retry scheduled"),
929 strbuf_addch(err, '\n');
930 ALLOC_GROW(suc->failed_clones,
931 suc->failed_clones_nr + 1,
932 suc->failed_clones_alloc);
933 suc->failed_clones[suc->failed_clones_nr++] = ce;
937 ce = suc->failed_clones[idx];
938 strbuf_addf(err, _("Failed to clone '%s' a second time, aborting"),
940 strbuf_addch(err, '\n');
948 static int update_clone(int argc, const char **argv, const char *prefix)
950 const char *update = NULL;
952 struct string_list_item *item;
953 struct pathspec pathspec;
954 struct submodule_update_clone suc = SUBMODULE_UPDATE_CLONE_INIT;
956 struct option module_update_clone_options[] = {
957 OPT_STRING(0, "prefix", &prefix,
959 N_("path into the working tree")),
960 OPT_STRING(0, "recursive-prefix", &suc.recursive_prefix,
962 N_("path into the working tree, across nested "
963 "submodule boundaries")),
964 OPT_STRING(0, "update", &update,
966 N_("rebase, merge, checkout or none")),
967 OPT_STRING_LIST(0, "reference", &suc.references, N_("repo"),
968 N_("reference repository")),
969 OPT_STRING(0, "depth", &suc.depth, "<depth>",
970 N_("Create a shallow clone truncated to the "
971 "specified number of revisions")),
972 OPT_INTEGER('j', "jobs", &max_jobs,
973 N_("parallel jobs")),
974 OPT_BOOL(0, "recommend-shallow", &suc.recommend_shallow,
975 N_("whether the initial clone should follow the shallow recommendation")),
976 OPT__QUIET(&suc.quiet, N_("don't print cloning progress")),
977 OPT_BOOL(0, "progress", &suc.progress,
978 N_("force cloning progress")),
982 const char *const git_submodule_helper_usage[] = {
983 N_("git submodule--helper update_clone [--prefix=<path>] [<path>...]"),
988 argc = parse_options(argc, argv, prefix, module_update_clone_options,
989 git_submodule_helper_usage, 0);
992 if (parse_submodule_update_strategy(update, &suc.update) < 0)
993 die(_("bad value for update parameter"));
995 if (module_list_compute(argc, argv, prefix, &pathspec, &suc.list) < 0)
999 suc.warn_if_uninitialized = 1;
1001 /* Overlay the parsed .gitmodules file with .git/config */
1002 gitmodules_config();
1003 git_config(submodule_config, NULL);
1006 max_jobs = parallel_submodules();
1008 run_processes_parallel(max_jobs,
1009 update_clone_get_next_task,
1010 update_clone_start_failure,
1011 update_clone_task_finished,
1015 * We saved the output and put it out all at once now.
1017 * - the listener does not have to interleave their (checkout)
1018 * work with our fetching. The writes involved in a
1019 * checkout involve more straightforward sequential I/O.
1020 * - the listener can avoid doing any work if fetching failed.
1025 for_each_string_list_item(item, &suc.projectlines)
1026 utf8_fprintf(stdout, "%s", item->string);
1031 static int resolve_relative_path(int argc, const char **argv, const char *prefix)
1033 struct strbuf sb = STRBUF_INIT;
1035 die("submodule--helper relative-path takes exactly 2 arguments, got %d", argc);
1037 printf("%s", relative_path(argv[1], argv[2], &sb));
1038 strbuf_release(&sb);
1042 static const char *remote_submodule_branch(const char *path)
1044 const struct submodule *sub;
1045 gitmodules_config();
1046 git_config(submodule_config, NULL);
1048 sub = submodule_from_path(null_sha1, path);
1055 if (!strcmp(sub->branch, ".")) {
1056 unsigned char sha1[20];
1057 const char *refname = resolve_ref_unsafe("HEAD", 0, sha1, NULL);
1060 die(_("No such ref: %s"), "HEAD");
1063 if (!strcmp(refname, "HEAD"))
1064 die(_("Submodule (%s) branch configured to inherit "
1065 "branch from superproject, but the superproject "
1066 "is not on any branch"), sub->name);
1068 if (!skip_prefix(refname, "refs/heads/", &refname))
1069 die(_("Expecting a full ref name, got %s"), refname);
1076 static int resolve_remote_submodule_branch(int argc, const char **argv,
1080 struct strbuf sb = STRBUF_INIT;
1082 die("submodule--helper remote-branch takes exactly one arguments, got %d", argc);
1084 ret = remote_submodule_branch(argv[1]);
1086 die("submodule %s doesn't exist", argv[1]);
1089 strbuf_release(&sb);
1093 static int absorb_git_dirs(int argc, const char **argv, const char *prefix)
1096 struct pathspec pathspec;
1097 struct module_list list = MODULE_LIST_INIT;
1098 unsigned flags = ABSORB_GITDIR_RECURSE_SUBMODULES;
1100 struct option embed_gitdir_options[] = {
1101 OPT_STRING(0, "prefix", &prefix,
1103 N_("path into the working tree")),
1104 OPT_BIT(0, "--recursive", &flags, N_("recurse into submodules"),
1105 ABSORB_GITDIR_RECURSE_SUBMODULES),
1109 const char *const git_submodule_helper_usage[] = {
1110 N_("git submodule--helper embed-git-dir [<path>...]"),
1114 argc = parse_options(argc, argv, prefix, embed_gitdir_options,
1115 git_submodule_helper_usage, 0);
1117 gitmodules_config();
1118 git_config(submodule_config, NULL);
1120 if (module_list_compute(argc, argv, prefix, &pathspec, &list) < 0)
1123 for (i = 0; i < list.nr; i++)
1124 absorb_git_dir_into_superproject(prefix,
1125 list.entries[i]->name, flags);
1130 #define SUPPORT_SUPER_PREFIX (1<<0)
1134 int (*fn)(int, const char **, const char *);
1138 static struct cmd_struct commands[] = {
1139 {"list", module_list, 0},
1140 {"name", module_name, 0},
1141 {"clone", module_clone, 0},
1142 {"update-clone", update_clone, 0},
1143 {"relative-path", resolve_relative_path, 0},
1144 {"resolve-relative-url", resolve_relative_url, 0},
1145 {"resolve-relative-url-test", resolve_relative_url_test, 0},
1146 {"init", module_init, SUPPORT_SUPER_PREFIX},
1147 {"remote-branch", resolve_remote_submodule_branch, 0},
1148 {"absorb-git-dirs", absorb_git_dirs, SUPPORT_SUPER_PREFIX},
1151 int cmd_submodule__helper(int argc, const char **argv, const char *prefix)
1155 die(_("submodule--helper subcommand must be "
1156 "called with a subcommand"));
1158 for (i = 0; i < ARRAY_SIZE(commands); i++) {
1159 if (!strcmp(argv[1], commands[i].cmd)) {
1160 if (get_super_prefix() &&
1161 !(commands[i].option & SUPPORT_SUPER_PREFIX))
1162 die(_("%s doesn't support --super-prefix"),
1164 return commands[i].fn(argc - 1, argv + 1, prefix);
1168 die(_("'%s' is not a valid submodule--helper "
1169 "subcommand"), argv[1]);