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))
361 * The repository is its own
362 * authoritative upstream
364 remoteurl = xgetcwd();
365 relurl = relative_url(remoteurl, url, NULL);
366 strbuf_release(&remotesb);
372 if (git_config_set_gently(sb.buf, url))
373 die(_("Failed to register url for submodule path '%s'"),
377 _("Submodule '%s' (%s) registered for path '%s'\n"),
378 sub->name, url, displaypath);
381 /* Copy "update" setting when it is not set yet */
383 strbuf_addf(&sb, "submodule.%s.update", sub->name);
384 if (git_config_get_string(sb.buf, &upd) &&
385 sub->update_strategy.type != SM_UPDATE_UNSPECIFIED) {
386 if (sub->update_strategy.type == SM_UPDATE_COMMAND) {
387 fprintf(stderr, _("warning: command update mode suggested for submodule '%s'\n"),
389 upd = xstrdup("none");
391 upd = xstrdup(submodule_strategy_to_string(&sub->update_strategy));
393 if (git_config_set_gently(sb.buf, upd))
394 die(_("Failed to register update mode for submodule path '%s'"), displaypath);
402 static int module_init(int argc, const char **argv, const char *prefix)
404 struct pathspec pathspec;
405 struct module_list list = MODULE_LIST_INIT;
409 struct option module_init_options[] = {
410 OPT__QUIET(&quiet, N_("Suppress output for initializing a submodule")),
414 const char *const git_submodule_helper_usage[] = {
415 N_("git submodule--helper init [<path>]"),
419 argc = parse_options(argc, argv, prefix, module_init_options,
420 git_submodule_helper_usage, 0);
422 if (module_list_compute(argc, argv, prefix, &pathspec, &list) < 0)
425 for (i = 0; i < list.nr; i++)
426 init_submodule(list.entries[i]->name, prefix, quiet);
431 static int module_name(int argc, const char **argv, const char *prefix)
433 const struct submodule *sub;
436 usage(_("git submodule--helper name <path>"));
439 sub = submodule_from_path(null_sha1, argv[1]);
442 die(_("no submodule mapping found in .gitmodules for path '%s'"),
445 printf("%s\n", sub->name);
450 static int clone_submodule(const char *path, const char *gitdir, const char *url,
451 const char *depth, struct string_list *reference,
452 int quiet, int progress)
454 struct child_process cp = CHILD_PROCESS_INIT;
456 argv_array_push(&cp.args, "clone");
457 argv_array_push(&cp.args, "--no-checkout");
459 argv_array_push(&cp.args, "--quiet");
461 argv_array_push(&cp.args, "--progress");
463 argv_array_pushl(&cp.args, "--depth", depth, NULL);
465 struct string_list_item *item;
466 for_each_string_list_item(item, reference)
467 argv_array_pushl(&cp.args, "--reference",
470 if (gitdir && *gitdir)
471 argv_array_pushl(&cp.args, "--separate-git-dir", gitdir, NULL);
473 argv_array_push(&cp.args, url);
474 argv_array_push(&cp.args, path);
477 prepare_submodule_repo_env(&cp.env_array);
480 return run_command(&cp);
483 struct submodule_alternate_setup {
484 const char *submodule_name;
485 enum SUBMODULE_ALTERNATE_ERROR_MODE {
486 SUBMODULE_ALTERNATE_ERROR_DIE,
487 SUBMODULE_ALTERNATE_ERROR_INFO,
488 SUBMODULE_ALTERNATE_ERROR_IGNORE
490 struct string_list *reference;
492 #define SUBMODULE_ALTERNATE_SETUP_INIT { NULL, \
493 SUBMODULE_ALTERNATE_ERROR_IGNORE, NULL }
495 static int add_possible_reference_from_superproject(
496 struct alternate_object_database *alt, void *sas_cb)
498 struct submodule_alternate_setup *sas = sas_cb;
501 * If the alternate object store is another repository, try the
502 * standard layout with .git/(modules/<name>)+/objects
504 if (ends_with(alt->path, "/objects")) {
506 struct strbuf sb = STRBUF_INIT;
507 struct strbuf err = STRBUF_INIT;
508 strbuf_add(&sb, alt->path, strlen(alt->path) - strlen("objects"));
511 * We need to end the new path with '/' to mark it as a dir,
512 * otherwise a submodule name containing '/' will be broken
513 * as the last part of a missing submodule reference would
514 * be taken as a file name.
516 strbuf_addf(&sb, "modules/%s/", sas->submodule_name);
518 sm_alternate = compute_alternate_path(sb.buf, &err);
520 string_list_append(sas->reference, xstrdup(sb.buf));
523 switch (sas->error_mode) {
524 case SUBMODULE_ALTERNATE_ERROR_DIE:
525 die(_("submodule '%s' cannot add alternate: %s"),
526 sas->submodule_name, err.buf);
527 case SUBMODULE_ALTERNATE_ERROR_INFO:
528 fprintf(stderr, _("submodule '%s' cannot add alternate: %s"),
529 sas->submodule_name, err.buf);
530 case SUBMODULE_ALTERNATE_ERROR_IGNORE:
540 static void prepare_possible_alternates(const char *sm_name,
541 struct string_list *reference)
543 char *sm_alternate = NULL, *error_strategy = NULL;
544 struct submodule_alternate_setup sas = SUBMODULE_ALTERNATE_SETUP_INIT;
546 git_config_get_string("submodule.alternateLocation", &sm_alternate);
550 git_config_get_string("submodule.alternateErrorStrategy", &error_strategy);
553 error_strategy = xstrdup("die");
555 sas.submodule_name = sm_name;
556 sas.reference = reference;
557 if (!strcmp(error_strategy, "die"))
558 sas.error_mode = SUBMODULE_ALTERNATE_ERROR_DIE;
559 else if (!strcmp(error_strategy, "info"))
560 sas.error_mode = SUBMODULE_ALTERNATE_ERROR_INFO;
561 else if (!strcmp(error_strategy, "ignore"))
562 sas.error_mode = SUBMODULE_ALTERNATE_ERROR_IGNORE;
564 die(_("Value '%s' for submodule.alternateErrorStrategy is not recognized"), error_strategy);
566 if (!strcmp(sm_alternate, "superproject"))
567 foreach_alt_odb(add_possible_reference_from_superproject, &sas);
568 else if (!strcmp(sm_alternate, "no"))
571 die(_("Value '%s' for submodule.alternateLocation is not recognized"), sm_alternate);
574 free(error_strategy);
577 static int module_clone(int argc, const char **argv, const char *prefix)
579 const char *name = NULL, *url = NULL, *depth = NULL;
582 char *p, *path = NULL, *sm_gitdir;
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 /* Connect module worktree and git dir */
655 connect_work_tree_and_git_dir(path, sm_gitdir);
657 p = git_pathdup_submodule(path, "config");
659 die(_("could not get submodule directory for '%s'"), path);
661 /* setup alternateLocation and alternateErrorStrategy in the cloned submodule if needed */
662 git_config_get_string("submodule.alternateLocation", &sm_alternate);
664 git_config_set_in_file(p, "submodule.alternateLocation",
666 git_config_get_string("submodule.alternateErrorStrategy", &error_strategy);
668 git_config_set_in_file(p, "submodule.alternateErrorStrategy",
672 free(error_strategy);
681 struct submodule_update_clone {
682 /* index into 'list', the list of submodules to look into for cloning */
684 struct module_list list;
685 unsigned warn_if_uninitialized : 1;
687 /* update parameter passed via commandline */
688 struct submodule_update_strategy update;
690 /* configuration parameters which are passed on to the children */
693 int recommend_shallow;
694 struct string_list references;
696 const char *recursive_prefix;
699 /* Machine-readable status lines to be consumed by git-submodule.sh */
700 struct string_list projectlines;
702 /* If we want to stop as fast as possible and return an error */
703 unsigned quickstop : 1;
705 /* failed clones to be retried again */
706 const struct cache_entry **failed_clones;
707 int failed_clones_nr, failed_clones_alloc;
709 #define SUBMODULE_UPDATE_CLONE_INIT {0, MODULE_LIST_INIT, 0, \
710 SUBMODULE_UPDATE_STRATEGY_INIT, 0, 0, -1, STRING_LIST_INIT_DUP, \
712 STRING_LIST_INIT_DUP, 0, NULL, 0, 0}
715 static void next_submodule_warn_missing(struct submodule_update_clone *suc,
716 struct strbuf *out, const char *displaypath)
719 * Only mention uninitialized submodules when their
720 * paths have been specified.
722 if (suc->warn_if_uninitialized) {
724 _("Submodule path '%s' not initialized"),
726 strbuf_addch(out, '\n');
728 _("Maybe you want to use 'update --init'?"));
729 strbuf_addch(out, '\n');
734 * Determine whether 'ce' needs to be cloned. If so, prepare the 'child' to
735 * run the clone. Returns 1 if 'ce' needs to be cloned, 0 otherwise.
737 static int prepare_to_clone_next_submodule(const struct cache_entry *ce,
738 struct child_process *child,
739 struct submodule_update_clone *suc,
742 const struct submodule *sub = NULL;
743 struct strbuf displaypath_sb = STRBUF_INIT;
744 struct strbuf sb = STRBUF_INIT;
745 const char *displaypath = NULL;
747 int needs_cloning = 0;
750 if (suc->recursive_prefix)
751 strbuf_addf(&sb, "%s/%s", suc->recursive_prefix, ce->name);
753 strbuf_addstr(&sb, ce->name);
754 strbuf_addf(out, _("Skipping unmerged submodule %s"), sb.buf);
755 strbuf_addch(out, '\n');
759 sub = submodule_from_path(null_sha1, ce->name);
761 if (suc->recursive_prefix)
762 displaypath = relative_path(suc->recursive_prefix,
763 ce->name, &displaypath_sb);
765 displaypath = ce->name;
768 next_submodule_warn_missing(suc, out, displaypath);
772 if (suc->update.type == SM_UPDATE_NONE
773 || (suc->update.type == SM_UPDATE_UNSPECIFIED
774 && sub->update_strategy.type == SM_UPDATE_NONE)) {
775 strbuf_addf(out, _("Skipping submodule '%s'"), displaypath);
776 strbuf_addch(out, '\n');
781 * Looking up the url in .git/config.
782 * We must not fall back to .gitmodules as we only want
783 * to process configured submodules.
786 strbuf_addf(&sb, "submodule.%s.url", sub->name);
787 git_config_get_string(sb.buf, &url);
789 next_submodule_warn_missing(suc, out, displaypath);
794 strbuf_addf(&sb, "%s/.git", ce->name);
795 needs_cloning = !file_exists(sb.buf);
798 strbuf_addf(&sb, "%06o %s %d %d\t%s\n", ce->ce_mode,
799 oid_to_hex(&ce->oid), ce_stage(ce),
800 needs_cloning, ce->name);
801 string_list_append(&suc->projectlines, sb.buf);
808 child->stdout_to_stderr = 1;
810 argv_array_push(&child->args, "submodule--helper");
811 argv_array_push(&child->args, "clone");
813 argv_array_push(&child->args, "--progress");
815 argv_array_push(&child->args, "--quiet");
817 argv_array_pushl(&child->args, "--prefix", suc->prefix, NULL);
818 if (suc->recommend_shallow && sub->recommend_shallow == 1)
819 argv_array_push(&child->args, "--depth=1");
820 argv_array_pushl(&child->args, "--path", sub->path, NULL);
821 argv_array_pushl(&child->args, "--name", sub->name, NULL);
822 argv_array_pushl(&child->args, "--url", url, NULL);
823 if (suc->references.nr) {
824 struct string_list_item *item;
825 for_each_string_list_item(item, &suc->references)
826 argv_array_pushl(&child->args, "--reference", item->string, NULL);
829 argv_array_push(&child->args, suc->depth);
833 strbuf_reset(&displaypath_sb);
836 return needs_cloning;
839 static int update_clone_get_next_task(struct child_process *child,
844 struct submodule_update_clone *suc = suc_cb;
845 const struct cache_entry *ce;
848 for (; suc->current < suc->list.nr; suc->current++) {
849 ce = suc->list.entries[suc->current];
850 if (prepare_to_clone_next_submodule(ce, child, suc, err)) {
851 int *p = xmalloc(sizeof(*p));
860 * The loop above tried cloning each submodule once, now try the
861 * stragglers again, which we can imagine as an extension of the
864 index = suc->current - suc->list.nr;
865 if (index < suc->failed_clones_nr) {
867 ce = suc->failed_clones[index];
868 if (!prepare_to_clone_next_submodule(ce, child, suc, err)) {
870 strbuf_addstr(err, "BUG: submodule considered for "
871 "cloning, doesn't need cloning "
875 p = xmalloc(sizeof(*p));
885 static int update_clone_start_failure(struct strbuf *err,
889 struct submodule_update_clone *suc = suc_cb;
894 static int update_clone_task_finished(int result,
899 const struct cache_entry *ce;
900 struct submodule_update_clone *suc = suc_cb;
902 int *idxP = *(int**)idx_task_cb;
909 if (idx < suc->list.nr) {
910 ce = suc->list.entries[idx];
911 strbuf_addf(err, _("Failed to clone '%s'. Retry scheduled"),
913 strbuf_addch(err, '\n');
914 ALLOC_GROW(suc->failed_clones,
915 suc->failed_clones_nr + 1,
916 suc->failed_clones_alloc);
917 suc->failed_clones[suc->failed_clones_nr++] = ce;
921 ce = suc->failed_clones[idx];
922 strbuf_addf(err, _("Failed to clone '%s' a second time, aborting"),
924 strbuf_addch(err, '\n');
932 static int update_clone(int argc, const char **argv, const char *prefix)
934 const char *update = NULL;
936 struct string_list_item *item;
937 struct pathspec pathspec;
938 struct submodule_update_clone suc = SUBMODULE_UPDATE_CLONE_INIT;
940 struct option module_update_clone_options[] = {
941 OPT_STRING(0, "prefix", &prefix,
943 N_("path into the working tree")),
944 OPT_STRING(0, "recursive-prefix", &suc.recursive_prefix,
946 N_("path into the working tree, across nested "
947 "submodule boundaries")),
948 OPT_STRING(0, "update", &update,
950 N_("rebase, merge, checkout or none")),
951 OPT_STRING_LIST(0, "reference", &suc.references, N_("repo"),
952 N_("reference repository")),
953 OPT_STRING(0, "depth", &suc.depth, "<depth>",
954 N_("Create a shallow clone truncated to the "
955 "specified number of revisions")),
956 OPT_INTEGER('j', "jobs", &max_jobs,
957 N_("parallel jobs")),
958 OPT_BOOL(0, "recommend-shallow", &suc.recommend_shallow,
959 N_("whether the initial clone should follow the shallow recommendation")),
960 OPT__QUIET(&suc.quiet, N_("don't print cloning progress")),
961 OPT_BOOL(0, "progress", &suc.progress,
962 N_("force cloning progress")),
966 const char *const git_submodule_helper_usage[] = {
967 N_("git submodule--helper update_clone [--prefix=<path>] [<path>...]"),
972 argc = parse_options(argc, argv, prefix, module_update_clone_options,
973 git_submodule_helper_usage, 0);
976 if (parse_submodule_update_strategy(update, &suc.update) < 0)
977 die(_("bad value for update parameter"));
979 if (module_list_compute(argc, argv, prefix, &pathspec, &suc.list) < 0)
983 suc.warn_if_uninitialized = 1;
985 /* Overlay the parsed .gitmodules file with .git/config */
987 git_config(submodule_config, NULL);
990 max_jobs = parallel_submodules();
992 run_processes_parallel(max_jobs,
993 update_clone_get_next_task,
994 update_clone_start_failure,
995 update_clone_task_finished,
999 * We saved the output and put it out all at once now.
1001 * - the listener does not have to interleave their (checkout)
1002 * work with our fetching. The writes involved in a
1003 * checkout involve more straightforward sequential I/O.
1004 * - the listener can avoid doing any work if fetching failed.
1009 for_each_string_list_item(item, &suc.projectlines)
1010 utf8_fprintf(stdout, "%s", item->string);
1015 static int resolve_relative_path(int argc, const char **argv, const char *prefix)
1017 struct strbuf sb = STRBUF_INIT;
1019 die("submodule--helper relative-path takes exactly 2 arguments, got %d", argc);
1021 printf("%s", relative_path(argv[1], argv[2], &sb));
1022 strbuf_release(&sb);
1026 static const char *remote_submodule_branch(const char *path)
1028 const struct submodule *sub;
1029 gitmodules_config();
1030 git_config(submodule_config, NULL);
1032 sub = submodule_from_path(null_sha1, path);
1039 if (!strcmp(sub->branch, ".")) {
1040 unsigned char sha1[20];
1041 const char *refname = resolve_ref_unsafe("HEAD", 0, sha1, NULL);
1044 die(_("No such ref: %s"), "HEAD");
1047 if (!strcmp(refname, "HEAD"))
1048 die(_("Submodule (%s) branch configured to inherit "
1049 "branch from superproject, but the superproject "
1050 "is not on any branch"), sub->name);
1052 if (!skip_prefix(refname, "refs/heads/", &refname))
1053 die(_("Expecting a full ref name, got %s"), refname);
1060 static int resolve_remote_submodule_branch(int argc, const char **argv,
1064 struct strbuf sb = STRBUF_INIT;
1066 die("submodule--helper remote-branch takes exactly one arguments, got %d", argc);
1068 ret = remote_submodule_branch(argv[1]);
1070 die("submodule %s doesn't exist", argv[1]);
1073 strbuf_release(&sb);
1077 static int absorb_git_dirs(int argc, const char **argv, const char *prefix)
1080 struct pathspec pathspec;
1081 struct module_list list = MODULE_LIST_INIT;
1082 unsigned flags = ABSORB_GITDIR_RECURSE_SUBMODULES;
1084 struct option embed_gitdir_options[] = {
1085 OPT_STRING(0, "prefix", &prefix,
1087 N_("path into the working tree")),
1088 OPT_BIT(0, "--recursive", &flags, N_("recurse into submodules"),
1089 ABSORB_GITDIR_RECURSE_SUBMODULES),
1093 const char *const git_submodule_helper_usage[] = {
1094 N_("git submodule--helper embed-git-dir [<path>...]"),
1098 argc = parse_options(argc, argv, prefix, embed_gitdir_options,
1099 git_submodule_helper_usage, 0);
1101 gitmodules_config();
1102 git_config(submodule_config, NULL);
1104 if (module_list_compute(argc, argv, prefix, &pathspec, &list) < 0)
1107 for (i = 0; i < list.nr; i++)
1108 absorb_git_dir_into_superproject(prefix,
1109 list.entries[i]->name, flags);
1114 #define SUPPORT_SUPER_PREFIX (1<<0)
1118 int (*fn)(int, const char **, const char *);
1122 static struct cmd_struct commands[] = {
1123 {"list", module_list, 0},
1124 {"name", module_name, 0},
1125 {"clone", module_clone, 0},
1126 {"update-clone", update_clone, 0},
1127 {"relative-path", resolve_relative_path, 0},
1128 {"resolve-relative-url", resolve_relative_url, 0},
1129 {"resolve-relative-url-test", resolve_relative_url_test, 0},
1130 {"init", module_init, SUPPORT_SUPER_PREFIX},
1131 {"remote-branch", resolve_remote_submodule_branch, 0},
1132 {"absorb-git-dirs", absorb_git_dirs, SUPPORT_SUPER_PREFIX},
1135 int cmd_submodule__helper(int argc, const char **argv, const char *prefix)
1139 die(_("submodule--helper subcommand must be "
1140 "called with a subcommand"));
1142 for (i = 0; i < ARRAY_SIZE(commands); i++) {
1143 if (!strcmp(argv[1], commands[i].cmd)) {
1144 if (get_super_prefix() &&
1145 !(commands[i].option & SUPPORT_SUPER_PREFIX))
1146 die(_("%s doesn't support --super-prefix"),
1148 return commands[i].fn(argc - 1, argv + 1, prefix);
1152 die(_("'%s' is not a valid submodule--helper "
1153 "subcommand"), argv[1]);