3 #include "parse-options.h"
8 #include "submodule-config.h"
9 #include "string-list.h"
10 #include "run-command.h"
15 static char *get_default_remote(void)
17 char *dest = NULL, *ret;
18 unsigned char sha1[20];
19 struct strbuf sb = STRBUF_INIT;
20 const char *refname = resolve_ref_unsafe("HEAD", 0, sha1, NULL);
23 die(_("No such ref: %s"), "HEAD");
26 if (!strcmp(refname, "HEAD"))
27 return xstrdup("origin");
29 if (!skip_prefix(refname, "refs/heads/", &refname))
30 die(_("Expecting a full ref name, got %s"), refname);
32 strbuf_addf(&sb, "branch.%s.remote", refname);
33 if (git_config_get_string(sb.buf, &dest))
34 ret = xstrdup("origin");
42 static int starts_with_dot_slash(const char *str)
44 return str[0] == '.' && is_dir_sep(str[1]);
47 static int starts_with_dot_dot_slash(const char *str)
49 return str[0] == '.' && str[1] == '.' && is_dir_sep(str[2]);
53 * Returns 1 if it was the last chop before ':'.
55 static int chop_last_dir(char **remoteurl, int is_relative)
57 char *rfind = find_last_dir_sep(*remoteurl);
63 rfind = strrchr(*remoteurl, ':');
69 if (is_relative || !strcmp(".", *remoteurl))
70 die(_("cannot strip one component off url '%s'"),
74 *remoteurl = xstrdup(".");
79 * The `url` argument is the URL that navigates to the submodule origin
80 * repo. When relative, this URL is relative to the superproject origin
81 * URL repo. The `up_path` argument, if specified, is the relative
82 * path that navigates from the submodule working tree to the superproject
83 * working tree. Returns the origin URL of the submodule.
85 * Return either an absolute URL or filesystem path (if the superproject
86 * origin URL is an absolute URL or filesystem path, respectively) or a
87 * relative file system path (if the superproject origin URL is a relative
90 * When the output is a relative file system path, the path is either
91 * relative to the submodule working tree, if up_path is specified, or to
92 * the superproject working tree otherwise.
94 * NEEDSWORK: This works incorrectly on the domain and protocol part.
95 * remote_url url outcome expectation
96 * http://a.com/b ../c http://a.com/c as is
97 * http://a.com/b/ ../c http://a.com/c same as previous line, but
98 * ignore trailing slash in url
99 * http://a.com/b ../../c http://c error out
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 .:c error out
103 * NEEDSWORK: Given how chop_last_dir() works, this function is broken
104 * when a local part has a colon in its path component, too.
106 static char *relative_url(const char *remote_url,
113 char *remoteurl = xstrdup(remote_url);
114 struct strbuf sb = STRBUF_INIT;
115 size_t len = strlen(remoteurl);
117 if (is_dir_sep(remoteurl[len-1]))
118 remoteurl[len-1] = '\0';
120 if (!url_is_local_not_ssh(remoteurl) || is_absolute_path(remoteurl))
125 * Prepend a './' to ensure all relative
126 * remoteurls start with './' or '../'
128 if (!starts_with_dot_slash(remoteurl) &&
129 !starts_with_dot_dot_slash(remoteurl)) {
131 strbuf_addf(&sb, "./%s", remoteurl);
133 remoteurl = strbuf_detach(&sb, NULL);
137 * When the url starts with '../', remove that and the
138 * last directory in remoteurl.
141 if (starts_with_dot_dot_slash(url)) {
143 colonsep |= chop_last_dir(&remoteurl, is_relative);
144 } else if (starts_with_dot_slash(url))
150 strbuf_addf(&sb, "%s%s%s", remoteurl, colonsep ? ":" : "/", url);
151 if (ends_with(url, "/"))
152 strbuf_setlen(&sb, sb.len - 1);
155 if (starts_with_dot_slash(sb.buf))
156 out = xstrdup(sb.buf + 2);
158 out = xstrdup(sb.buf);
161 if (!up_path || !is_relative)
164 strbuf_addf(&sb, "%s%s", up_path, out);
166 return strbuf_detach(&sb, NULL);
169 static int resolve_relative_url(int argc, const char **argv, const char *prefix)
171 char *remoteurl = NULL;
172 char *remote = get_default_remote();
173 const char *up_path = NULL;
176 struct strbuf sb = STRBUF_INIT;
178 if (argc != 2 && argc != 3)
179 die("resolve-relative-url only accepts one or two arguments");
182 strbuf_addf(&sb, "remote.%s.url", remote);
185 if (git_config_get_string(sb.buf, &remoteurl))
186 /* the repository is its own authoritative upstream */
187 remoteurl = xgetcwd();
192 res = relative_url(remoteurl, url, up_path);
199 static int resolve_relative_url_test(int argc, const char **argv, const char *prefix)
201 char *remoteurl, *res;
202 const char *up_path, *url;
205 die("resolve-relative-url-test only accepts three arguments: <up_path> <remoteurl> <url>");
208 remoteurl = xstrdup(argv[2]);
211 if (!strcmp(up_path, "(null)"))
214 res = relative_url(remoteurl, url, up_path);
222 const struct cache_entry **entries;
225 #define MODULE_LIST_INIT { NULL, 0, 0 }
227 static int module_list_compute(int argc, const char **argv,
229 struct pathspec *pathspec,
230 struct module_list *list)
233 char *ps_matched = NULL;
234 parse_pathspec(pathspec, 0,
235 PATHSPEC_PREFER_FULL |
236 PATHSPEC_STRIP_SUBMODULE_SLASH_CHEAP,
240 ps_matched = xcalloc(pathspec->nr, 1);
242 if (read_cache() < 0)
243 die(_("index file corrupt"));
245 for (i = 0; i < active_nr; i++) {
246 const struct cache_entry *ce = active_cache[i];
248 if (!match_pathspec(pathspec, ce->name, ce_namelen(ce),
250 !S_ISGITLINK(ce->ce_mode))
253 ALLOC_GROW(list->entries, list->nr + 1, list->alloc);
254 list->entries[list->nr++] = ce;
255 while (i + 1 < active_nr &&
256 !strcmp(ce->name, active_cache[i + 1]->name))
258 * Skip entries with the same name in different stages
259 * to make sure an entry is returned only once.
264 if (ps_matched && report_path_error(ps_matched, pathspec, prefix))
272 static void module_list_active(struct module_list *list)
275 struct module_list active_modules = MODULE_LIST_INIT;
279 for (i = 0; i < list->nr; i++) {
280 const struct cache_entry *ce = list->entries[i];
282 if (!is_submodule_initialized(ce->name))
285 ALLOC_GROW(active_modules.entries,
286 active_modules.nr + 1,
287 active_modules.alloc);
288 active_modules.entries[active_modules.nr++] = ce;
292 *list = active_modules;
295 static int module_list(int argc, const char **argv, const char *prefix)
298 struct pathspec pathspec;
299 struct module_list list = MODULE_LIST_INIT;
301 struct option module_list_options[] = {
302 OPT_STRING(0, "prefix", &prefix,
304 N_("alternative anchor for relative paths")),
308 const char *const git_submodule_helper_usage[] = {
309 N_("git submodule--helper list [--prefix=<path>] [<path>...]"),
313 argc = parse_options(argc, argv, prefix, module_list_options,
314 git_submodule_helper_usage, 0);
316 if (module_list_compute(argc, argv, prefix, &pathspec, &list) < 0)
319 for (i = 0; i < list.nr; i++) {
320 const struct cache_entry *ce = list.entries[i];
323 printf("%06o %s U\t", ce->ce_mode, sha1_to_hex(null_sha1));
325 printf("%06o %s %d\t", ce->ce_mode,
326 oid_to_hex(&ce->oid), ce_stage(ce));
328 fprintf(stdout, "%s\n", ce->name);
333 static void init_submodule(const char *path, const char *prefix, int quiet)
335 const struct submodule *sub;
336 struct strbuf sb = STRBUF_INIT;
337 char *upd = NULL, *url = NULL, *displaypath;
339 /* Only loads from .gitmodules, no overlay with .git/config */
342 if (prefix && get_super_prefix())
343 die("BUG: cannot have prefix and superprefix");
345 displaypath = xstrdup(relative_path(path, prefix, &sb));
346 else if (get_super_prefix()) {
347 strbuf_addf(&sb, "%s%s", get_super_prefix(), path);
348 displaypath = strbuf_detach(&sb, NULL);
350 displaypath = xstrdup(path);
352 sub = submodule_from_path(null_sha1, path);
355 die(_("No url found for submodule path '%s' in .gitmodules"),
359 * NEEDSWORK: In a multi-working-tree world, this needs to be
360 * set in the per-worktree config.
362 * Set active flag for the submodule being initialized
364 if (!is_submodule_initialized(path)) {
366 strbuf_addf(&sb, "submodule.%s.active", sub->name);
367 git_config_set_gently(sb.buf, "true");
371 * Copy url setting when it is not set yet.
372 * To look up the url in .git/config, we must not fall back to
373 * .gitmodules, so look it up directly.
376 strbuf_addf(&sb, "submodule.%s.url", sub->name);
377 if (git_config_get_string(sb.buf, &url)) {
379 die(_("No url found for submodule path '%s' in .gitmodules"),
382 url = xstrdup(sub->url);
384 /* Possibly a url relative to parent */
385 if (starts_with_dot_dot_slash(url) ||
386 starts_with_dot_slash(url)) {
387 char *remoteurl, *relurl;
388 char *remote = get_default_remote();
389 struct strbuf remotesb = STRBUF_INIT;
390 strbuf_addf(&remotesb, "remote.%s.url", remote);
393 if (git_config_get_string(remotesb.buf, &remoteurl)) {
394 warning(_("could not lookup configuration '%s'. Assuming this repository is its own authoritative upstream."), remotesb.buf);
395 remoteurl = xgetcwd();
397 relurl = relative_url(remoteurl, url, NULL);
398 strbuf_release(&remotesb);
404 if (git_config_set_gently(sb.buf, url))
405 die(_("Failed to register url for submodule path '%s'"),
409 _("Submodule '%s' (%s) registered for path '%s'\n"),
410 sub->name, url, displaypath);
413 /* Copy "update" setting when it is not set yet */
415 strbuf_addf(&sb, "submodule.%s.update", sub->name);
416 if (git_config_get_string(sb.buf, &upd) &&
417 sub->update_strategy.type != SM_UPDATE_UNSPECIFIED) {
418 if (sub->update_strategy.type == SM_UPDATE_COMMAND) {
419 fprintf(stderr, _("warning: command update mode suggested for submodule '%s'\n"),
421 upd = xstrdup("none");
423 upd = xstrdup(submodule_strategy_to_string(&sub->update_strategy));
425 if (git_config_set_gently(sb.buf, upd))
426 die(_("Failed to register update mode for submodule path '%s'"), displaypath);
434 static int module_init(int argc, const char **argv, const char *prefix)
436 struct pathspec pathspec;
437 struct module_list list = MODULE_LIST_INIT;
441 struct option module_init_options[] = {
442 OPT__QUIET(&quiet, N_("Suppress output for initializing a submodule")),
446 const char *const git_submodule_helper_usage[] = {
447 N_("git submodule--helper init [<path>]"),
451 argc = parse_options(argc, argv, prefix, module_init_options,
452 git_submodule_helper_usage, 0);
454 if (module_list_compute(argc, argv, prefix, &pathspec, &list) < 0)
458 * If there are no path args and submodule.active is set then,
459 * by default, only initialize 'active' modules.
461 if (!argc && git_config_get_value_multi("submodule.active"))
462 module_list_active(&list);
464 for (i = 0; i < list.nr; i++)
465 init_submodule(list.entries[i]->name, prefix, quiet);
470 static int module_name(int argc, const char **argv, const char *prefix)
472 const struct submodule *sub;
475 usage(_("git submodule--helper name <path>"));
478 sub = submodule_from_path(null_sha1, argv[1]);
481 die(_("no submodule mapping found in .gitmodules for path '%s'"),
484 printf("%s\n", sub->name);
489 static int clone_submodule(const char *path, const char *gitdir, const char *url,
490 const char *depth, struct string_list *reference,
491 int quiet, int progress)
493 struct child_process cp = CHILD_PROCESS_INIT;
495 argv_array_push(&cp.args, "clone");
496 argv_array_push(&cp.args, "--no-checkout");
498 argv_array_push(&cp.args, "--quiet");
500 argv_array_push(&cp.args, "--progress");
502 argv_array_pushl(&cp.args, "--depth", depth, NULL);
504 struct string_list_item *item;
505 for_each_string_list_item(item, reference)
506 argv_array_pushl(&cp.args, "--reference",
509 if (gitdir && *gitdir)
510 argv_array_pushl(&cp.args, "--separate-git-dir", gitdir, NULL);
512 argv_array_push(&cp.args, url);
513 argv_array_push(&cp.args, path);
516 prepare_submodule_repo_env(&cp.env_array);
519 return run_command(&cp);
522 struct submodule_alternate_setup {
523 const char *submodule_name;
524 enum SUBMODULE_ALTERNATE_ERROR_MODE {
525 SUBMODULE_ALTERNATE_ERROR_DIE,
526 SUBMODULE_ALTERNATE_ERROR_INFO,
527 SUBMODULE_ALTERNATE_ERROR_IGNORE
529 struct string_list *reference;
531 #define SUBMODULE_ALTERNATE_SETUP_INIT { NULL, \
532 SUBMODULE_ALTERNATE_ERROR_IGNORE, NULL }
534 static int add_possible_reference_from_superproject(
535 struct alternate_object_database *alt, void *sas_cb)
537 struct submodule_alternate_setup *sas = sas_cb;
540 * If the alternate object store is another repository, try the
541 * standard layout with .git/(modules/<name>)+/objects
543 if (ends_with(alt->path, "/objects")) {
545 struct strbuf sb = STRBUF_INIT;
546 struct strbuf err = STRBUF_INIT;
547 strbuf_add(&sb, alt->path, strlen(alt->path) - strlen("objects"));
550 * We need to end the new path with '/' to mark it as a dir,
551 * otherwise a submodule name containing '/' will be broken
552 * as the last part of a missing submodule reference would
553 * be taken as a file name.
555 strbuf_addf(&sb, "modules/%s/", sas->submodule_name);
557 sm_alternate = compute_alternate_path(sb.buf, &err);
559 string_list_append(sas->reference, xstrdup(sb.buf));
562 switch (sas->error_mode) {
563 case SUBMODULE_ALTERNATE_ERROR_DIE:
564 die(_("submodule '%s' cannot add alternate: %s"),
565 sas->submodule_name, err.buf);
566 case SUBMODULE_ALTERNATE_ERROR_INFO:
567 fprintf(stderr, _("submodule '%s' cannot add alternate: %s"),
568 sas->submodule_name, err.buf);
569 case SUBMODULE_ALTERNATE_ERROR_IGNORE:
579 static void prepare_possible_alternates(const char *sm_name,
580 struct string_list *reference)
582 char *sm_alternate = NULL, *error_strategy = NULL;
583 struct submodule_alternate_setup sas = SUBMODULE_ALTERNATE_SETUP_INIT;
585 git_config_get_string("submodule.alternateLocation", &sm_alternate);
589 git_config_get_string("submodule.alternateErrorStrategy", &error_strategy);
592 error_strategy = xstrdup("die");
594 sas.submodule_name = sm_name;
595 sas.reference = reference;
596 if (!strcmp(error_strategy, "die"))
597 sas.error_mode = SUBMODULE_ALTERNATE_ERROR_DIE;
598 else if (!strcmp(error_strategy, "info"))
599 sas.error_mode = SUBMODULE_ALTERNATE_ERROR_INFO;
600 else if (!strcmp(error_strategy, "ignore"))
601 sas.error_mode = SUBMODULE_ALTERNATE_ERROR_IGNORE;
603 die(_("Value '%s' for submodule.alternateErrorStrategy is not recognized"), error_strategy);
605 if (!strcmp(sm_alternate, "superproject"))
606 foreach_alt_odb(add_possible_reference_from_superproject, &sas);
607 else if (!strcmp(sm_alternate, "no"))
610 die(_("Value '%s' for submodule.alternateLocation is not recognized"), sm_alternate);
613 free(error_strategy);
616 static int module_clone(int argc, const char **argv, const char *prefix)
618 const char *name = NULL, *url = NULL, *depth = NULL;
621 char *p, *path = NULL, *sm_gitdir;
622 struct strbuf sb = STRBUF_INIT;
623 struct string_list reference = STRING_LIST_INIT_NODUP;
624 char *sm_alternate = NULL, *error_strategy = NULL;
626 struct option module_clone_options[] = {
627 OPT_STRING(0, "prefix", &prefix,
629 N_("alternative anchor for relative paths")),
630 OPT_STRING(0, "path", &path,
632 N_("where the new submodule will be cloned to")),
633 OPT_STRING(0, "name", &name,
635 N_("name of the new submodule")),
636 OPT_STRING(0, "url", &url,
638 N_("url where to clone the submodule from")),
639 OPT_STRING_LIST(0, "reference", &reference,
641 N_("reference repository")),
642 OPT_STRING(0, "depth", &depth,
644 N_("depth for shallow clones")),
645 OPT__QUIET(&quiet, "Suppress output for cloning a submodule"),
646 OPT_BOOL(0, "progress", &progress,
647 N_("force cloning progress")),
651 const char *const git_submodule_helper_usage[] = {
652 N_("git submodule--helper clone [--prefix=<path>] [--quiet] "
653 "[--reference <repository>] [--name <name>] [--depth <depth>] "
654 "--url <url> --path <path>"),
658 argc = parse_options(argc, argv, prefix, module_clone_options,
659 git_submodule_helper_usage, 0);
661 if (argc || !url || !path || !*path)
662 usage_with_options(git_submodule_helper_usage,
663 module_clone_options);
665 strbuf_addf(&sb, "%s/modules/%s", get_git_dir(), name);
666 sm_gitdir = absolute_pathdup(sb.buf);
669 if (!is_absolute_path(path)) {
670 strbuf_addf(&sb, "%s/%s", get_git_work_tree(), path);
671 path = strbuf_detach(&sb, NULL);
673 path = xstrdup(path);
675 if (!file_exists(sm_gitdir)) {
676 if (safe_create_leading_directories_const(sm_gitdir) < 0)
677 die(_("could not create directory '%s'"), sm_gitdir);
679 prepare_possible_alternates(name, &reference);
681 if (clone_submodule(path, sm_gitdir, url, depth, &reference,
683 die(_("clone of '%s' into submodule path '%s' failed"),
686 if (safe_create_leading_directories_const(path) < 0)
687 die(_("could not create directory '%s'"), path);
688 strbuf_addf(&sb, "%s/index", sm_gitdir);
689 unlink_or_warn(sb.buf);
693 /* Connect module worktree and git dir */
694 connect_work_tree_and_git_dir(path, sm_gitdir);
696 p = git_pathdup_submodule(path, "config");
698 die(_("could not get submodule directory for '%s'"), path);
700 /* setup alternateLocation and alternateErrorStrategy in the cloned submodule if needed */
701 git_config_get_string("submodule.alternateLocation", &sm_alternate);
703 git_config_set_in_file(p, "submodule.alternateLocation",
705 git_config_get_string("submodule.alternateErrorStrategy", &error_strategy);
707 git_config_set_in_file(p, "submodule.alternateErrorStrategy",
711 free(error_strategy);
720 struct submodule_update_clone {
721 /* index into 'list', the list of submodules to look into for cloning */
723 struct module_list list;
724 unsigned warn_if_uninitialized : 1;
726 /* update parameter passed via commandline */
727 struct submodule_update_strategy update;
729 /* configuration parameters which are passed on to the children */
732 int recommend_shallow;
733 struct string_list references;
735 const char *recursive_prefix;
738 /* Machine-readable status lines to be consumed by git-submodule.sh */
739 struct string_list projectlines;
741 /* If we want to stop as fast as possible and return an error */
742 unsigned quickstop : 1;
744 /* failed clones to be retried again */
745 const struct cache_entry **failed_clones;
746 int failed_clones_nr, failed_clones_alloc;
748 #define SUBMODULE_UPDATE_CLONE_INIT {0, MODULE_LIST_INIT, 0, \
749 SUBMODULE_UPDATE_STRATEGY_INIT, 0, 0, -1, STRING_LIST_INIT_DUP, \
751 STRING_LIST_INIT_DUP, 0, NULL, 0, 0}
754 static void next_submodule_warn_missing(struct submodule_update_clone *suc,
755 struct strbuf *out, const char *displaypath)
758 * Only mention uninitialized submodules when their
759 * paths have been specified.
761 if (suc->warn_if_uninitialized) {
763 _("Submodule path '%s' not initialized"),
765 strbuf_addch(out, '\n');
767 _("Maybe you want to use 'update --init'?"));
768 strbuf_addch(out, '\n');
773 * Determine whether 'ce' needs to be cloned. If so, prepare the 'child' to
774 * run the clone. Returns 1 if 'ce' needs to be cloned, 0 otherwise.
776 static int prepare_to_clone_next_submodule(const struct cache_entry *ce,
777 struct child_process *child,
778 struct submodule_update_clone *suc,
781 const struct submodule *sub = NULL;
782 struct strbuf displaypath_sb = STRBUF_INIT;
783 struct strbuf sb = STRBUF_INIT;
784 const char *displaypath = NULL;
785 int needs_cloning = 0;
788 if (suc->recursive_prefix)
789 strbuf_addf(&sb, "%s/%s", suc->recursive_prefix, ce->name);
791 strbuf_addstr(&sb, ce->name);
792 strbuf_addf(out, _("Skipping unmerged submodule %s"), sb.buf);
793 strbuf_addch(out, '\n');
797 sub = submodule_from_path(null_sha1, ce->name);
799 if (suc->recursive_prefix)
800 displaypath = relative_path(suc->recursive_prefix,
801 ce->name, &displaypath_sb);
803 displaypath = ce->name;
806 next_submodule_warn_missing(suc, out, displaypath);
810 if (suc->update.type == SM_UPDATE_NONE
811 || (suc->update.type == SM_UPDATE_UNSPECIFIED
812 && sub->update_strategy.type == SM_UPDATE_NONE)) {
813 strbuf_addf(out, _("Skipping submodule '%s'"), displaypath);
814 strbuf_addch(out, '\n');
818 /* Check if the submodule has been initialized. */
819 if (!is_submodule_initialized(ce->name)) {
820 next_submodule_warn_missing(suc, out, displaypath);
825 strbuf_addf(&sb, "%s/.git", ce->name);
826 needs_cloning = !file_exists(sb.buf);
829 strbuf_addf(&sb, "%06o %s %d %d\t%s\n", ce->ce_mode,
830 oid_to_hex(&ce->oid), ce_stage(ce),
831 needs_cloning, ce->name);
832 string_list_append(&suc->projectlines, sb.buf);
839 child->stdout_to_stderr = 1;
841 argv_array_push(&child->args, "submodule--helper");
842 argv_array_push(&child->args, "clone");
844 argv_array_push(&child->args, "--progress");
846 argv_array_push(&child->args, "--quiet");
848 argv_array_pushl(&child->args, "--prefix", suc->prefix, NULL);
849 if (suc->recommend_shallow && sub->recommend_shallow == 1)
850 argv_array_push(&child->args, "--depth=1");
851 argv_array_pushl(&child->args, "--path", sub->path, NULL);
852 argv_array_pushl(&child->args, "--name", sub->name, NULL);
853 argv_array_pushl(&child->args, "--url", sub->url, NULL);
854 if (suc->references.nr) {
855 struct string_list_item *item;
856 for_each_string_list_item(item, &suc->references)
857 argv_array_pushl(&child->args, "--reference", item->string, NULL);
860 argv_array_push(&child->args, suc->depth);
863 strbuf_reset(&displaypath_sb);
866 return needs_cloning;
869 static int update_clone_get_next_task(struct child_process *child,
874 struct submodule_update_clone *suc = suc_cb;
875 const struct cache_entry *ce;
878 for (; suc->current < suc->list.nr; suc->current++) {
879 ce = suc->list.entries[suc->current];
880 if (prepare_to_clone_next_submodule(ce, child, suc, err)) {
881 int *p = xmalloc(sizeof(*p));
890 * The loop above tried cloning each submodule once, now try the
891 * stragglers again, which we can imagine as an extension of the
894 index = suc->current - suc->list.nr;
895 if (index < suc->failed_clones_nr) {
897 ce = suc->failed_clones[index];
898 if (!prepare_to_clone_next_submodule(ce, child, suc, err)) {
900 strbuf_addstr(err, "BUG: submodule considered for "
901 "cloning, doesn't need cloning "
905 p = xmalloc(sizeof(*p));
915 static int update_clone_start_failure(struct strbuf *err,
919 struct submodule_update_clone *suc = suc_cb;
924 static int update_clone_task_finished(int result,
929 const struct cache_entry *ce;
930 struct submodule_update_clone *suc = suc_cb;
932 int *idxP = *(int**)idx_task_cb;
939 if (idx < suc->list.nr) {
940 ce = suc->list.entries[idx];
941 strbuf_addf(err, _("Failed to clone '%s'. Retry scheduled"),
943 strbuf_addch(err, '\n');
944 ALLOC_GROW(suc->failed_clones,
945 suc->failed_clones_nr + 1,
946 suc->failed_clones_alloc);
947 suc->failed_clones[suc->failed_clones_nr++] = ce;
951 ce = suc->failed_clones[idx];
952 strbuf_addf(err, _("Failed to clone '%s' a second time, aborting"),
954 strbuf_addch(err, '\n');
962 static int update_clone(int argc, const char **argv, const char *prefix)
964 const char *update = NULL;
966 struct string_list_item *item;
967 struct pathspec pathspec;
968 struct submodule_update_clone suc = SUBMODULE_UPDATE_CLONE_INIT;
970 struct option module_update_clone_options[] = {
971 OPT_STRING(0, "prefix", &prefix,
973 N_("path into the working tree")),
974 OPT_STRING(0, "recursive-prefix", &suc.recursive_prefix,
976 N_("path into the working tree, across nested "
977 "submodule boundaries")),
978 OPT_STRING(0, "update", &update,
980 N_("rebase, merge, checkout or none")),
981 OPT_STRING_LIST(0, "reference", &suc.references, N_("repo"),
982 N_("reference repository")),
983 OPT_STRING(0, "depth", &suc.depth, "<depth>",
984 N_("Create a shallow clone truncated to the "
985 "specified number of revisions")),
986 OPT_INTEGER('j', "jobs", &max_jobs,
987 N_("parallel jobs")),
988 OPT_BOOL(0, "recommend-shallow", &suc.recommend_shallow,
989 N_("whether the initial clone should follow the shallow recommendation")),
990 OPT__QUIET(&suc.quiet, N_("don't print cloning progress")),
991 OPT_BOOL(0, "progress", &suc.progress,
992 N_("force cloning progress")),
996 const char *const git_submodule_helper_usage[] = {
997 N_("git submodule--helper update_clone [--prefix=<path>] [<path>...]"),
1000 suc.prefix = prefix;
1002 argc = parse_options(argc, argv, prefix, module_update_clone_options,
1003 git_submodule_helper_usage, 0);
1006 if (parse_submodule_update_strategy(update, &suc.update) < 0)
1007 die(_("bad value for update parameter"));
1009 if (module_list_compute(argc, argv, prefix, &pathspec, &suc.list) < 0)
1013 suc.warn_if_uninitialized = 1;
1015 /* Overlay the parsed .gitmodules file with .git/config */
1016 gitmodules_config();
1017 git_config(submodule_config, NULL);
1020 max_jobs = parallel_submodules();
1022 run_processes_parallel(max_jobs,
1023 update_clone_get_next_task,
1024 update_clone_start_failure,
1025 update_clone_task_finished,
1029 * We saved the output and put it out all at once now.
1031 * - the listener does not have to interleave their (checkout)
1032 * work with our fetching. The writes involved in a
1033 * checkout involve more straightforward sequential I/O.
1034 * - the listener can avoid doing any work if fetching failed.
1039 for_each_string_list_item(item, &suc.projectlines)
1040 fprintf(stdout, "%s", item->string);
1045 static int resolve_relative_path(int argc, const char **argv, const char *prefix)
1047 struct strbuf sb = STRBUF_INIT;
1049 die("submodule--helper relative-path takes exactly 2 arguments, got %d", argc);
1051 printf("%s", relative_path(argv[1], argv[2], &sb));
1052 strbuf_release(&sb);
1056 static const char *remote_submodule_branch(const char *path)
1058 const struct submodule *sub;
1059 gitmodules_config();
1060 git_config(submodule_config, NULL);
1062 sub = submodule_from_path(null_sha1, path);
1069 if (!strcmp(sub->branch, ".")) {
1070 unsigned char sha1[20];
1071 const char *refname = resolve_ref_unsafe("HEAD", 0, sha1, NULL);
1074 die(_("No such ref: %s"), "HEAD");
1077 if (!strcmp(refname, "HEAD"))
1078 die(_("Submodule (%s) branch configured to inherit "
1079 "branch from superproject, but the superproject "
1080 "is not on any branch"), sub->name);
1082 if (!skip_prefix(refname, "refs/heads/", &refname))
1083 die(_("Expecting a full ref name, got %s"), refname);
1090 static int resolve_remote_submodule_branch(int argc, const char **argv,
1094 struct strbuf sb = STRBUF_INIT;
1096 die("submodule--helper remote-branch takes exactly one arguments, got %d", argc);
1098 ret = remote_submodule_branch(argv[1]);
1100 die("submodule %s doesn't exist", argv[1]);
1103 strbuf_release(&sb);
1107 static int push_check(int argc, const char **argv, const char *prefix)
1109 struct remote *remote;
1112 die("submodule--helper push-check requires at least 1 argument");
1115 * The remote must be configured.
1116 * This is to avoid pushing to the exact same URL as the parent.
1118 remote = pushremote_get(argv[1]);
1119 if (!remote || remote->origin == REMOTE_UNCONFIGURED)
1120 die("remote '%s' not configured", argv[1]);
1122 /* Check the refspec */
1124 int i, refspec_nr = argc - 2;
1125 struct ref *local_refs = get_local_heads();
1126 struct refspec *refspec = parse_push_refspec(refspec_nr,
1129 for (i = 0; i < refspec_nr; i++) {
1130 struct refspec *rs = refspec + i;
1132 if (rs->pattern || rs->matching)
1136 * LHS must match a single ref
1137 * NEEDSWORK: add logic to special case 'HEAD' once
1138 * working with submodules in a detached head state
1139 * ceases to be the norm.
1141 if (count_refspec_match(rs->src, local_refs, NULL) != 1)
1142 die("src refspec '%s' must name a ref",
1145 free_refspec(refspec_nr, refspec);
1151 static int absorb_git_dirs(int argc, const char **argv, const char *prefix)
1154 struct pathspec pathspec;
1155 struct module_list list = MODULE_LIST_INIT;
1156 unsigned flags = ABSORB_GITDIR_RECURSE_SUBMODULES;
1158 struct option embed_gitdir_options[] = {
1159 OPT_STRING(0, "prefix", &prefix,
1161 N_("path into the working tree")),
1162 OPT_BIT(0, "--recursive", &flags, N_("recurse into submodules"),
1163 ABSORB_GITDIR_RECURSE_SUBMODULES),
1167 const char *const git_submodule_helper_usage[] = {
1168 N_("git submodule--helper embed-git-dir [<path>...]"),
1172 argc = parse_options(argc, argv, prefix, embed_gitdir_options,
1173 git_submodule_helper_usage, 0);
1175 gitmodules_config();
1176 git_config(submodule_config, NULL);
1178 if (module_list_compute(argc, argv, prefix, &pathspec, &list) < 0)
1181 for (i = 0; i < list.nr; i++)
1182 absorb_git_dir_into_superproject(prefix,
1183 list.entries[i]->name, flags);
1188 static int is_active(int argc, const char **argv, const char *prefix)
1191 die("submodule--helper is-active takes exactly 1 argument");
1193 gitmodules_config();
1195 return !is_submodule_initialized(argv[1]);
1198 #define SUPPORT_SUPER_PREFIX (1<<0)
1202 int (*fn)(int, const char **, const char *);
1206 static struct cmd_struct commands[] = {
1207 {"list", module_list, 0},
1208 {"name", module_name, 0},
1209 {"clone", module_clone, 0},
1210 {"update-clone", update_clone, 0},
1211 {"relative-path", resolve_relative_path, 0},
1212 {"resolve-relative-url", resolve_relative_url, 0},
1213 {"resolve-relative-url-test", resolve_relative_url_test, 0},
1214 {"init", module_init, SUPPORT_SUPER_PREFIX},
1215 {"remote-branch", resolve_remote_submodule_branch, 0},
1216 {"push-check", push_check, 0},
1217 {"absorb-git-dirs", absorb_git_dirs, SUPPORT_SUPER_PREFIX},
1218 {"is-active", is_active, 0},
1221 int cmd_submodule__helper(int argc, const char **argv, const char *prefix)
1225 die(_("submodule--helper subcommand must be "
1226 "called with a subcommand"));
1228 for (i = 0; i < ARRAY_SIZE(commands); i++) {
1229 if (!strcmp(argv[1], commands[i].cmd)) {
1230 if (get_super_prefix() &&
1231 !(commands[i].option & SUPPORT_SUPER_PREFIX))
1232 die(_("%s doesn't support --super-prefix"),
1234 return commands[i].fn(argc - 1, argv + 1, prefix);
1238 die(_("'%s' is not a valid submodule--helper "
1239 "subcommand"), argv[1]);