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[thirdparty/git.git] / builtin / submodule--helper.c
1 #define USE_THE_INDEX_VARIABLE
2 #include "builtin.h"
3 #include "abspath.h"
4 #include "alloc.h"
5 #include "environment.h"
6 #include "gettext.h"
7 #include "hex.h"
8 #include "repository.h"
9 #include "config.h"
10 #include "parse-options.h"
11 #include "quote.h"
12 #include "pathspec.h"
13 #include "preload-index.h"
14 #include "dir.h"
15 #include "read-cache.h"
16 #include "setup.h"
17 #include "sparse-index.h"
18 #include "submodule.h"
19 #include "submodule-config.h"
20 #include "string-list.h"
21 #include "run-command.h"
22 #include "remote.h"
23 #include "refs.h"
24 #include "refspec.h"
25 #include "connect.h"
26 #include "revision.h"
27 #include "diffcore.h"
28 #include "diff.h"
29 #include "object-file.h"
30 #include "object-name.h"
31 #include "object-store.h"
32 #include "advice.h"
33 #include "branch.h"
34 #include "list-objects-filter-options.h"
35
36 #define OPT_QUIET (1 << 0)
37 #define OPT_CACHED (1 << 1)
38 #define OPT_RECURSIVE (1 << 2)
39 #define OPT_FORCE (1 << 3)
40
41 typedef void (*each_submodule_fn)(const struct cache_entry *list_item,
42 void *cb_data);
43
44 static int repo_get_default_remote(struct repository *repo, char **default_remote)
45 {
46 char *dest = NULL;
47 struct strbuf sb = STRBUF_INIT;
48 struct ref_store *store = get_main_ref_store(repo);
49 const char *refname = refs_resolve_ref_unsafe(store, "HEAD", 0, NULL,
50 NULL);
51
52 if (!refname)
53 return die_message(_("No such ref: %s"), "HEAD");
54
55 /* detached HEAD */
56 if (!strcmp(refname, "HEAD")) {
57 *default_remote = xstrdup("origin");
58 return 0;
59 }
60
61 if (!skip_prefix(refname, "refs/heads/", &refname))
62 return die_message(_("Expecting a full ref name, got %s"),
63 refname);
64
65 strbuf_addf(&sb, "branch.%s.remote", refname);
66 if (repo_config_get_string(repo, sb.buf, &dest))
67 *default_remote = xstrdup("origin");
68 else
69 *default_remote = dest;
70
71 strbuf_release(&sb);
72 return 0;
73 }
74
75 static int get_default_remote_submodule(const char *module_path, char **default_remote)
76 {
77 struct repository subrepo;
78 int ret;
79
80 if (repo_submodule_init(&subrepo, the_repository, module_path,
81 null_oid()) < 0)
82 return die_message(_("could not get a repository handle for submodule '%s'"),
83 module_path);
84 ret = repo_get_default_remote(&subrepo, default_remote);
85 repo_clear(&subrepo);
86
87 return ret;
88 }
89
90 static char *get_default_remote(void)
91 {
92 char *default_remote;
93 int code = repo_get_default_remote(the_repository, &default_remote);
94
95 if (code)
96 exit(code);
97
98 return default_remote;
99 }
100
101 static char *resolve_relative_url(const char *rel_url, const char *up_path, int quiet)
102 {
103 char *remoteurl, *resolved_url;
104 char *remote = get_default_remote();
105 struct strbuf remotesb = STRBUF_INIT;
106
107 strbuf_addf(&remotesb, "remote.%s.url", remote);
108 if (git_config_get_string(remotesb.buf, &remoteurl)) {
109 if (!quiet)
110 warning(_("could not look up configuration '%s'. "
111 "Assuming this repository is its own "
112 "authoritative upstream."),
113 remotesb.buf);
114 remoteurl = xgetcwd();
115 }
116 resolved_url = relative_url(remoteurl, rel_url, up_path);
117
118 free(remote);
119 free(remoteurl);
120 strbuf_release(&remotesb);
121
122 return resolved_url;
123 }
124
125 /* the result should be freed by the caller. */
126 static char *get_submodule_displaypath(const char *path, const char *prefix,
127 const char *super_prefix)
128 {
129 if (prefix && super_prefix) {
130 BUG("cannot have prefix '%s' and superprefix '%s'",
131 prefix, super_prefix);
132 } else if (prefix) {
133 struct strbuf sb = STRBUF_INIT;
134 char *displaypath = xstrdup(relative_path(path, prefix, &sb));
135 strbuf_release(&sb);
136 return displaypath;
137 } else if (super_prefix) {
138 return xstrfmt("%s%s", super_prefix, path);
139 } else {
140 return xstrdup(path);
141 }
142 }
143
144 static char *compute_rev_name(const char *sub_path, const char* object_id)
145 {
146 struct strbuf sb = STRBUF_INIT;
147 const char ***d;
148
149 static const char *describe_bare[] = { NULL };
150
151 static const char *describe_tags[] = { "--tags", NULL };
152
153 static const char *describe_contains[] = { "--contains", NULL };
154
155 static const char *describe_all_always[] = { "--all", "--always", NULL };
156
157 static const char **describe_argv[] = { describe_bare, describe_tags,
158 describe_contains,
159 describe_all_always, NULL };
160
161 for (d = describe_argv; *d; d++) {
162 struct child_process cp = CHILD_PROCESS_INIT;
163 prepare_submodule_repo_env(&cp.env);
164 cp.dir = sub_path;
165 cp.git_cmd = 1;
166 cp.no_stderr = 1;
167
168 strvec_push(&cp.args, "describe");
169 strvec_pushv(&cp.args, *d);
170 strvec_push(&cp.args, object_id);
171
172 if (!capture_command(&cp, &sb, 0)) {
173 strbuf_strip_suffix(&sb, "\n");
174 return strbuf_detach(&sb, NULL);
175 }
176 }
177
178 strbuf_release(&sb);
179 return NULL;
180 }
181
182 struct module_list {
183 const struct cache_entry **entries;
184 int alloc, nr;
185 };
186 #define MODULE_LIST_INIT { 0 }
187
188 static void module_list_release(struct module_list *ml)
189 {
190 free(ml->entries);
191 }
192
193 static int module_list_compute(const char **argv,
194 const char *prefix,
195 struct pathspec *pathspec,
196 struct module_list *list)
197 {
198 int i, result = 0;
199 char *ps_matched = NULL;
200
201 parse_pathspec(pathspec, 0,
202 PATHSPEC_PREFER_FULL,
203 prefix, argv);
204
205 if (pathspec->nr)
206 ps_matched = xcalloc(pathspec->nr, 1);
207
208 if (repo_read_index(the_repository) < 0)
209 die(_("index file corrupt"));
210
211 for (i = 0; i < the_index.cache_nr; i++) {
212 const struct cache_entry *ce = the_index.cache[i];
213
214 if (!match_pathspec(&the_index, pathspec, ce->name, ce_namelen(ce),
215 0, ps_matched, 1) ||
216 !S_ISGITLINK(ce->ce_mode))
217 continue;
218
219 ALLOC_GROW(list->entries, list->nr + 1, list->alloc);
220 list->entries[list->nr++] = ce;
221 while (i + 1 < the_index.cache_nr &&
222 !strcmp(ce->name, the_index.cache[i + 1]->name))
223 /*
224 * Skip entries with the same name in different stages
225 * to make sure an entry is returned only once.
226 */
227 i++;
228 }
229
230 if (ps_matched && report_path_error(ps_matched, pathspec))
231 result = -1;
232
233 free(ps_matched);
234
235 return result;
236 }
237
238 static void module_list_active(struct module_list *list)
239 {
240 int i;
241 struct module_list active_modules = MODULE_LIST_INIT;
242
243 for (i = 0; i < list->nr; i++) {
244 const struct cache_entry *ce = list->entries[i];
245
246 if (!is_submodule_active(the_repository, ce->name))
247 continue;
248
249 ALLOC_GROW(active_modules.entries,
250 active_modules.nr + 1,
251 active_modules.alloc);
252 active_modules.entries[active_modules.nr++] = ce;
253 }
254
255 module_list_release(list);
256 *list = active_modules;
257 }
258
259 static char *get_up_path(const char *path)
260 {
261 int i;
262 struct strbuf sb = STRBUF_INIT;
263
264 for (i = count_slashes(path); i; i--)
265 strbuf_addstr(&sb, "../");
266
267 /*
268 * Check if 'path' ends with slash or not
269 * for having the same output for dir/sub_dir
270 * and dir/sub_dir/
271 */
272 if (!is_dir_sep(path[strlen(path) - 1]))
273 strbuf_addstr(&sb, "../");
274
275 return strbuf_detach(&sb, NULL);
276 }
277
278 static void for_each_listed_submodule(const struct module_list *list,
279 each_submodule_fn fn, void *cb_data)
280 {
281 int i;
282
283 for (i = 0; i < list->nr; i++)
284 fn(list->entries[i], cb_data);
285 }
286
287 struct foreach_cb {
288 int argc;
289 const char **argv;
290 const char *prefix;
291 const char *super_prefix;
292 int quiet;
293 int recursive;
294 };
295 #define FOREACH_CB_INIT { 0 }
296
297 static void runcommand_in_submodule_cb(const struct cache_entry *list_item,
298 void *cb_data)
299 {
300 struct foreach_cb *info = cb_data;
301 const char *path = list_item->name;
302 const struct object_id *ce_oid = &list_item->oid;
303 const struct submodule *sub;
304 struct child_process cp = CHILD_PROCESS_INIT;
305 char *displaypath;
306
307 displaypath = get_submodule_displaypath(path, info->prefix,
308 info->super_prefix);
309
310 sub = submodule_from_path(the_repository, null_oid(), path);
311
312 if (!sub)
313 die(_("No url found for submodule path '%s' in .gitmodules"),
314 displaypath);
315
316 if (!is_submodule_populated_gently(path, NULL))
317 goto cleanup;
318
319 prepare_submodule_repo_env(&cp.env);
320
321 /*
322 * For the purpose of executing <command> in the submodule,
323 * separate shell is used for the purpose of running the
324 * child process.
325 */
326 cp.use_shell = 1;
327 cp.dir = path;
328
329 /*
330 * NEEDSWORK: the command currently has access to the variables $name,
331 * $sm_path, $displaypath, $sha1 and $toplevel only when the command
332 * contains a single argument. This is done for maintaining a faithful
333 * translation from shell script.
334 */
335 if (info->argc == 1) {
336 char *toplevel = xgetcwd();
337 struct strbuf sb = STRBUF_INIT;
338
339 strvec_pushf(&cp.env, "name=%s", sub->name);
340 strvec_pushf(&cp.env, "sm_path=%s", path);
341 strvec_pushf(&cp.env, "displaypath=%s", displaypath);
342 strvec_pushf(&cp.env, "sha1=%s",
343 oid_to_hex(ce_oid));
344 strvec_pushf(&cp.env, "toplevel=%s", toplevel);
345
346 /*
347 * Since the path variable was accessible from the script
348 * before porting, it is also made available after porting.
349 * The environment variable "PATH" has a very special purpose
350 * on windows. And since environment variables are
351 * case-insensitive in windows, it interferes with the
352 * existing PATH variable. Hence, to avoid that, we expose
353 * path via the args strvec and not via env.
354 */
355 sq_quote_buf(&sb, path);
356 strvec_pushf(&cp.args, "path=%s; %s",
357 sb.buf, info->argv[0]);
358 strbuf_release(&sb);
359 free(toplevel);
360 } else {
361 strvec_pushv(&cp.args, info->argv);
362 }
363
364 if (!info->quiet)
365 printf(_("Entering '%s'\n"), displaypath);
366
367 if (info->argv[0] && run_command(&cp))
368 die(_("run_command returned non-zero status for %s\n."),
369 displaypath);
370
371 if (info->recursive) {
372 struct child_process cpr = CHILD_PROCESS_INIT;
373
374 cpr.git_cmd = 1;
375 cpr.dir = path;
376 prepare_submodule_repo_env(&cpr.env);
377
378 strvec_pushl(&cpr.args, "submodule--helper", "foreach", "--recursive",
379 NULL);
380 strvec_pushl(&cpr.args, "--super-prefix", NULL);
381 strvec_pushf(&cpr.args, "%s/", displaypath);
382
383 if (info->quiet)
384 strvec_push(&cpr.args, "--quiet");
385
386 strvec_push(&cpr.args, "--");
387 strvec_pushv(&cpr.args, info->argv);
388
389 if (run_command(&cpr))
390 die(_("run_command returned non-zero status while "
391 "recursing in the nested submodules of %s\n."),
392 displaypath);
393 }
394
395 cleanup:
396 free(displaypath);
397 }
398
399 static int module_foreach(int argc, const char **argv, const char *prefix)
400 {
401 struct foreach_cb info = FOREACH_CB_INIT;
402 struct pathspec pathspec = { 0 };
403 struct module_list list = MODULE_LIST_INIT;
404 struct option module_foreach_options[] = {
405 OPT__SUPER_PREFIX(&info.super_prefix),
406 OPT__QUIET(&info.quiet, N_("suppress output of entering each submodule command")),
407 OPT_BOOL(0, "recursive", &info.recursive,
408 N_("recurse into nested submodules")),
409 OPT_END()
410 };
411 const char *const git_submodule_helper_usage[] = {
412 N_("git submodule foreach [--quiet] [--recursive] [--] <command>"),
413 NULL
414 };
415 int ret = 1;
416
417 argc = parse_options(argc, argv, prefix, module_foreach_options,
418 git_submodule_helper_usage, 0);
419
420 if (module_list_compute(NULL, prefix, &pathspec, &list) < 0)
421 goto cleanup;
422
423 info.argc = argc;
424 info.argv = argv;
425 info.prefix = prefix;
426
427 for_each_listed_submodule(&list, runcommand_in_submodule_cb, &info);
428
429 ret = 0;
430 cleanup:
431 module_list_release(&list);
432 clear_pathspec(&pathspec);
433 return ret;
434 }
435
436 static int starts_with_dot_slash(const char *const path)
437 {
438 return path_match_flags(path, PATH_MATCH_STARTS_WITH_DOT_SLASH |
439 PATH_MATCH_XPLATFORM);
440 }
441
442 static int starts_with_dot_dot_slash(const char *const path)
443 {
444 return path_match_flags(path, PATH_MATCH_STARTS_WITH_DOT_DOT_SLASH |
445 PATH_MATCH_XPLATFORM);
446 }
447
448 struct init_cb {
449 const char *prefix;
450 const char *super_prefix;
451 unsigned int flags;
452 };
453 #define INIT_CB_INIT { 0 }
454
455 static void init_submodule(const char *path, const char *prefix,
456 const char *super_prefix,
457 unsigned int flags)
458 {
459 const struct submodule *sub;
460 struct strbuf sb = STRBUF_INIT;
461 const char *upd;
462 char *url = NULL, *displaypath;
463
464 displaypath = get_submodule_displaypath(path, prefix, super_prefix);
465
466 sub = submodule_from_path(the_repository, null_oid(), path);
467
468 if (!sub)
469 die(_("No url found for submodule path '%s' in .gitmodules"),
470 displaypath);
471
472 /*
473 * NEEDSWORK: In a multi-working-tree world, this needs to be
474 * set in the per-worktree config.
475 *
476 * Set active flag for the submodule being initialized
477 */
478 if (!is_submodule_active(the_repository, path)) {
479 strbuf_addf(&sb, "submodule.%s.active", sub->name);
480 git_config_set_gently(sb.buf, "true");
481 strbuf_reset(&sb);
482 }
483
484 /*
485 * Copy url setting when it is not set yet.
486 * To look up the url in .git/config, we must not fall back to
487 * .gitmodules, so look it up directly.
488 */
489 strbuf_addf(&sb, "submodule.%s.url", sub->name);
490 if (git_config_get_string(sb.buf, &url)) {
491 if (!sub->url)
492 die(_("No url found for submodule path '%s' in .gitmodules"),
493 displaypath);
494
495 url = xstrdup(sub->url);
496
497 /* Possibly a url relative to parent */
498 if (starts_with_dot_dot_slash(url) ||
499 starts_with_dot_slash(url)) {
500 char *oldurl = url;
501
502 url = resolve_relative_url(oldurl, NULL, 0);
503 free(oldurl);
504 }
505
506 if (git_config_set_gently(sb.buf, url))
507 die(_("Failed to register url for submodule path '%s'"),
508 displaypath);
509 if (!(flags & OPT_QUIET))
510 fprintf(stderr,
511 _("Submodule '%s' (%s) registered for path '%s'\n"),
512 sub->name, url, displaypath);
513 }
514 strbuf_reset(&sb);
515
516 /* Copy "update" setting when it is not set yet */
517 strbuf_addf(&sb, "submodule.%s.update", sub->name);
518 if (git_config_get_string_tmp(sb.buf, &upd) &&
519 sub->update_strategy.type != SM_UPDATE_UNSPECIFIED) {
520 if (sub->update_strategy.type == SM_UPDATE_COMMAND) {
521 fprintf(stderr, _("warning: command update mode suggested for submodule '%s'\n"),
522 sub->name);
523 upd = "none";
524 } else {
525 upd = submodule_update_type_to_string(sub->update_strategy.type);
526 }
527
528 if (git_config_set_gently(sb.buf, upd))
529 die(_("Failed to register update mode for submodule path '%s'"), displaypath);
530 }
531 strbuf_release(&sb);
532 free(displaypath);
533 free(url);
534 }
535
536 static void init_submodule_cb(const struct cache_entry *list_item, void *cb_data)
537 {
538 struct init_cb *info = cb_data;
539
540 init_submodule(list_item->name, info->prefix, info->super_prefix,
541 info->flags);
542 }
543
544 static int module_init(int argc, const char **argv, const char *prefix)
545 {
546 struct init_cb info = INIT_CB_INIT;
547 struct pathspec pathspec = { 0 };
548 struct module_list list = MODULE_LIST_INIT;
549 int quiet = 0;
550 struct option module_init_options[] = {
551 OPT__QUIET(&quiet, N_("suppress output for initializing a submodule")),
552 OPT_END()
553 };
554 const char *const git_submodule_helper_usage[] = {
555 N_("git submodule init [<options>] [<path>]"),
556 NULL
557 };
558 int ret = 1;
559
560 argc = parse_options(argc, argv, prefix, module_init_options,
561 git_submodule_helper_usage, 0);
562
563 if (module_list_compute(argv, prefix, &pathspec, &list) < 0)
564 goto cleanup;
565
566 /*
567 * If there are no path args and submodule.active is set then,
568 * by default, only initialize 'active' modules.
569 */
570 if (!argc && !git_config_get("submodule.active"))
571 module_list_active(&list);
572
573 info.prefix = prefix;
574 if (quiet)
575 info.flags |= OPT_QUIET;
576
577 for_each_listed_submodule(&list, init_submodule_cb, &info);
578
579 ret = 0;
580 cleanup:
581 module_list_release(&list);
582 clear_pathspec(&pathspec);
583 return ret;
584 }
585
586 struct status_cb {
587 const char *prefix;
588 const char *super_prefix;
589 unsigned int flags;
590 };
591 #define STATUS_CB_INIT { 0 }
592
593 static void print_status(unsigned int flags, char state, const char *path,
594 const struct object_id *oid, const char *displaypath)
595 {
596 if (flags & OPT_QUIET)
597 return;
598
599 printf("%c%s %s", state, oid_to_hex(oid), displaypath);
600
601 if (state == ' ' || state == '+') {
602 char *name = compute_rev_name(path, oid_to_hex(oid));
603
604 if (name)
605 printf(" (%s)", name);
606 free(name);
607 }
608
609 printf("\n");
610 }
611
612 static int handle_submodule_head_ref(const char *refname UNUSED,
613 const struct object_id *oid,
614 int flags UNUSED,
615 void *cb_data)
616 {
617 struct object_id *output = cb_data;
618
619 if (oid)
620 oidcpy(output, oid);
621
622 return 0;
623 }
624
625 static void status_submodule(const char *path, const struct object_id *ce_oid,
626 unsigned int ce_flags, const char *prefix,
627 const char *super_prefix, unsigned int flags)
628 {
629 char *displaypath;
630 struct strvec diff_files_args = STRVEC_INIT;
631 struct rev_info rev = REV_INFO_INIT;
632 int diff_files_result;
633 struct strbuf buf = STRBUF_INIT;
634 const char *git_dir;
635 struct setup_revision_opt opt = {
636 .free_removed_argv_elements = 1,
637 };
638
639 if (!submodule_from_path(the_repository, null_oid(), path))
640 die(_("no submodule mapping found in .gitmodules for path '%s'"),
641 path);
642
643 displaypath = get_submodule_displaypath(path, prefix, super_prefix);
644
645 if ((CE_STAGEMASK & ce_flags) >> CE_STAGESHIFT) {
646 print_status(flags, 'U', path, null_oid(), displaypath);
647 goto cleanup;
648 }
649
650 strbuf_addf(&buf, "%s/.git", path);
651 git_dir = read_gitfile(buf.buf);
652 if (!git_dir)
653 git_dir = buf.buf;
654
655 if (!is_submodule_active(the_repository, path) ||
656 !is_git_directory(git_dir)) {
657 print_status(flags, '-', path, ce_oid, displaypath);
658 strbuf_release(&buf);
659 goto cleanup;
660 }
661 strbuf_release(&buf);
662
663 strvec_pushl(&diff_files_args, "diff-files",
664 "--ignore-submodules=dirty", "--quiet", "--",
665 path, NULL);
666
667 git_config(git_diff_basic_config, NULL);
668
669 repo_init_revisions(the_repository, &rev, NULL);
670 rev.abbrev = 0;
671 setup_revisions(diff_files_args.nr, diff_files_args.v, &rev, &opt);
672 diff_files_result = run_diff_files(&rev, 0);
673
674 if (!diff_result_code(&rev.diffopt, diff_files_result)) {
675 print_status(flags, ' ', path, ce_oid,
676 displaypath);
677 } else if (!(flags & OPT_CACHED)) {
678 struct object_id oid;
679 struct ref_store *refs = get_submodule_ref_store(path);
680
681 if (!refs) {
682 print_status(flags, '-', path, ce_oid, displaypath);
683 goto cleanup;
684 }
685 if (refs_head_ref(refs, handle_submodule_head_ref, &oid))
686 die(_("could not resolve HEAD ref inside the "
687 "submodule '%s'"), path);
688
689 print_status(flags, '+', path, &oid, displaypath);
690 } else {
691 print_status(flags, '+', path, ce_oid, displaypath);
692 }
693
694 if (flags & OPT_RECURSIVE) {
695 struct child_process cpr = CHILD_PROCESS_INIT;
696
697 cpr.git_cmd = 1;
698 cpr.dir = path;
699 prepare_submodule_repo_env(&cpr.env);
700
701 strvec_pushl(&cpr.args, "submodule--helper", "status",
702 "--recursive", NULL);
703 strvec_push(&cpr.args, "--super-prefix");
704 strvec_pushf(&cpr.args, "%s/", displaypath);
705
706 if (flags & OPT_CACHED)
707 strvec_push(&cpr.args, "--cached");
708
709 if (flags & OPT_QUIET)
710 strvec_push(&cpr.args, "--quiet");
711
712 if (run_command(&cpr))
713 die(_("failed to recurse into submodule '%s'"), path);
714 }
715
716 cleanup:
717 strvec_clear(&diff_files_args);
718 free(displaypath);
719 release_revisions(&rev);
720 }
721
722 static void status_submodule_cb(const struct cache_entry *list_item,
723 void *cb_data)
724 {
725 struct status_cb *info = cb_data;
726
727 status_submodule(list_item->name, &list_item->oid, list_item->ce_flags,
728 info->prefix, info->super_prefix, info->flags);
729 }
730
731 static int module_status(int argc, const char **argv, const char *prefix)
732 {
733 struct status_cb info = STATUS_CB_INIT;
734 struct pathspec pathspec = { 0 };
735 struct module_list list = MODULE_LIST_INIT;
736 int quiet = 0;
737 struct option module_status_options[] = {
738 OPT__SUPER_PREFIX(&info.super_prefix),
739 OPT__QUIET(&quiet, N_("suppress submodule status output")),
740 OPT_BIT(0, "cached", &info.flags, N_("use commit stored in the index instead of the one stored in the submodule HEAD"), OPT_CACHED),
741 OPT_BIT(0, "recursive", &info.flags, N_("recurse into nested submodules"), OPT_RECURSIVE),
742 OPT_END()
743 };
744 const char *const git_submodule_helper_usage[] = {
745 N_("git submodule status [--quiet] [--cached] [--recursive] [<path>...]"),
746 NULL
747 };
748 int ret = 1;
749
750 argc = parse_options(argc, argv, prefix, module_status_options,
751 git_submodule_helper_usage, 0);
752
753 if (module_list_compute(argv, prefix, &pathspec, &list) < 0)
754 goto cleanup;
755
756 info.prefix = prefix;
757 if (quiet)
758 info.flags |= OPT_QUIET;
759
760 for_each_listed_submodule(&list, status_submodule_cb, &info);
761
762 ret = 0;
763 cleanup:
764 module_list_release(&list);
765 clear_pathspec(&pathspec);
766 return ret;
767 }
768
769 struct module_cb {
770 unsigned int mod_src;
771 unsigned int mod_dst;
772 struct object_id oid_src;
773 struct object_id oid_dst;
774 char status;
775 char *sm_path;
776 };
777 #define MODULE_CB_INIT { 0 }
778
779 static void module_cb_release(struct module_cb *mcb)
780 {
781 free(mcb->sm_path);
782 }
783
784 struct module_cb_list {
785 struct module_cb **entries;
786 int alloc, nr;
787 };
788 #define MODULE_CB_LIST_INIT { 0 }
789
790 static void module_cb_list_release(struct module_cb_list *mcbl)
791 {
792 int i;
793
794 for (i = 0; i < mcbl->nr; i++) {
795 struct module_cb *mcb = mcbl->entries[i];
796
797 module_cb_release(mcb);
798 free(mcb);
799 }
800 free(mcbl->entries);
801 }
802
803 struct summary_cb {
804 int argc;
805 const char **argv;
806 const char *prefix;
807 const char *super_prefix;
808 unsigned int cached: 1;
809 unsigned int for_status: 1;
810 unsigned int files: 1;
811 int summary_limit;
812 };
813 #define SUMMARY_CB_INIT { 0 }
814
815 enum diff_cmd {
816 DIFF_INDEX,
817 DIFF_FILES
818 };
819
820 static char *verify_submodule_committish(const char *sm_path,
821 const char *committish)
822 {
823 struct child_process cp_rev_parse = CHILD_PROCESS_INIT;
824 struct strbuf result = STRBUF_INIT;
825
826 cp_rev_parse.git_cmd = 1;
827 cp_rev_parse.dir = sm_path;
828 prepare_submodule_repo_env(&cp_rev_parse.env);
829 strvec_pushl(&cp_rev_parse.args, "rev-parse", "-q", "--short", NULL);
830 strvec_pushf(&cp_rev_parse.args, "%s^0", committish);
831 strvec_push(&cp_rev_parse.args, "--");
832
833 if (capture_command(&cp_rev_parse, &result, 0))
834 return NULL;
835
836 strbuf_trim_trailing_newline(&result);
837 return strbuf_detach(&result, NULL);
838 }
839
840 static void print_submodule_summary(struct summary_cb *info, const char *errmsg,
841 int total_commits, const char *displaypath,
842 const char *src_abbrev, const char *dst_abbrev,
843 struct module_cb *p)
844 {
845 if (p->status == 'T') {
846 if (S_ISGITLINK(p->mod_dst))
847 printf(_("* %s %s(blob)->%s(submodule)"),
848 displaypath, src_abbrev, dst_abbrev);
849 else
850 printf(_("* %s %s(submodule)->%s(blob)"),
851 displaypath, src_abbrev, dst_abbrev);
852 } else {
853 printf("* %s %s...%s",
854 displaypath, src_abbrev, dst_abbrev);
855 }
856
857 if (total_commits < 0)
858 printf(":\n");
859 else
860 printf(" (%d):\n", total_commits);
861
862 if (errmsg) {
863 printf(_("%s"), errmsg);
864 } else if (total_commits > 0) {
865 struct child_process cp_log = CHILD_PROCESS_INIT;
866
867 cp_log.git_cmd = 1;
868 cp_log.dir = p->sm_path;
869 prepare_submodule_repo_env(&cp_log.env);
870 strvec_pushl(&cp_log.args, "log", NULL);
871
872 if (S_ISGITLINK(p->mod_src) && S_ISGITLINK(p->mod_dst)) {
873 if (info->summary_limit > 0)
874 strvec_pushf(&cp_log.args, "-%d",
875 info->summary_limit);
876
877 strvec_pushl(&cp_log.args, "--pretty= %m %s",
878 "--first-parent", NULL);
879 strvec_pushf(&cp_log.args, "%s...%s",
880 src_abbrev, dst_abbrev);
881 } else if (S_ISGITLINK(p->mod_dst)) {
882 strvec_pushl(&cp_log.args, "--pretty= > %s",
883 "-1", dst_abbrev, NULL);
884 } else {
885 strvec_pushl(&cp_log.args, "--pretty= < %s",
886 "-1", src_abbrev, NULL);
887 }
888 run_command(&cp_log);
889 }
890 printf("\n");
891 }
892
893 static void generate_submodule_summary(struct summary_cb *info,
894 struct module_cb *p)
895 {
896 char *displaypath, *src_abbrev = NULL, *dst_abbrev;
897 int missing_src = 0, missing_dst = 0;
898 struct strbuf errmsg = STRBUF_INIT;
899 int total_commits = -1;
900
901 if (!info->cached && oideq(&p->oid_dst, null_oid())) {
902 if (S_ISGITLINK(p->mod_dst)) {
903 struct ref_store *refs = get_submodule_ref_store(p->sm_path);
904
905 if (refs)
906 refs_head_ref(refs, handle_submodule_head_ref, &p->oid_dst);
907 } else if (S_ISLNK(p->mod_dst) || S_ISREG(p->mod_dst)) {
908 struct stat st;
909 int fd = open(p->sm_path, O_RDONLY);
910
911 if (fd < 0 || fstat(fd, &st) < 0 ||
912 index_fd(&the_index, &p->oid_dst, fd, &st, OBJ_BLOB,
913 p->sm_path, 0))
914 error(_("couldn't hash object from '%s'"), p->sm_path);
915 } else {
916 /* for a submodule removal (mode:0000000), don't warn */
917 if (p->mod_dst)
918 warning(_("unexpected mode %o\n"), p->mod_dst);
919 }
920 }
921
922 if (S_ISGITLINK(p->mod_src)) {
923 if (p->status != 'D')
924 src_abbrev = verify_submodule_committish(p->sm_path,
925 oid_to_hex(&p->oid_src));
926 if (!src_abbrev) {
927 missing_src = 1;
928 /*
929 * As `rev-parse` failed, we fallback to getting
930 * the abbreviated hash using oid_src. We do
931 * this as we might still need the abbreviated
932 * hash in cases like a submodule type change, etc.
933 */
934 src_abbrev = xstrndup(oid_to_hex(&p->oid_src), 7);
935 }
936 } else {
937 /*
938 * The source does not point to a submodule.
939 * So, we fallback to getting the abbreviation using
940 * oid_src as we might still need the abbreviated
941 * hash in cases like submodule add, etc.
942 */
943 src_abbrev = xstrndup(oid_to_hex(&p->oid_src), 7);
944 }
945
946 if (S_ISGITLINK(p->mod_dst)) {
947 dst_abbrev = verify_submodule_committish(p->sm_path,
948 oid_to_hex(&p->oid_dst));
949 if (!dst_abbrev) {
950 missing_dst = 1;
951 /*
952 * As `rev-parse` failed, we fallback to getting
953 * the abbreviated hash using oid_dst. We do
954 * this as we might still need the abbreviated
955 * hash in cases like a submodule type change, etc.
956 */
957 dst_abbrev = xstrndup(oid_to_hex(&p->oid_dst), 7);
958 }
959 } else {
960 /*
961 * The destination does not point to a submodule.
962 * So, we fallback to getting the abbreviation using
963 * oid_dst as we might still need the abbreviated
964 * hash in cases like a submodule removal, etc.
965 */
966 dst_abbrev = xstrndup(oid_to_hex(&p->oid_dst), 7);
967 }
968
969 displaypath = get_submodule_displaypath(p->sm_path, info->prefix,
970 info->super_prefix);
971
972 if (!missing_src && !missing_dst) {
973 struct child_process cp_rev_list = CHILD_PROCESS_INIT;
974 struct strbuf sb_rev_list = STRBUF_INIT;
975
976 strvec_pushl(&cp_rev_list.args, "rev-list",
977 "--first-parent", "--count", NULL);
978 if (S_ISGITLINK(p->mod_src) && S_ISGITLINK(p->mod_dst))
979 strvec_pushf(&cp_rev_list.args, "%s...%s",
980 src_abbrev, dst_abbrev);
981 else
982 strvec_push(&cp_rev_list.args, S_ISGITLINK(p->mod_src) ?
983 src_abbrev : dst_abbrev);
984 strvec_push(&cp_rev_list.args, "--");
985
986 cp_rev_list.git_cmd = 1;
987 cp_rev_list.dir = p->sm_path;
988 prepare_submodule_repo_env(&cp_rev_list.env);
989
990 if (!capture_command(&cp_rev_list, &sb_rev_list, 0))
991 total_commits = atoi(sb_rev_list.buf);
992
993 strbuf_release(&sb_rev_list);
994 } else {
995 /*
996 * Don't give error msg for modification whose dst is not
997 * submodule, i.e., deleted or changed to blob
998 */
999 if (S_ISGITLINK(p->mod_dst)) {
1000 if (missing_src && missing_dst) {
1001 strbuf_addf(&errmsg, " Warn: %s doesn't contain commits %s and %s\n",
1002 displaypath, oid_to_hex(&p->oid_src),
1003 oid_to_hex(&p->oid_dst));
1004 } else {
1005 strbuf_addf(&errmsg, " Warn: %s doesn't contain commit %s\n",
1006 displaypath, missing_src ?
1007 oid_to_hex(&p->oid_src) :
1008 oid_to_hex(&p->oid_dst));
1009 }
1010 }
1011 }
1012
1013 print_submodule_summary(info, errmsg.len ? errmsg.buf : NULL,
1014 total_commits, displaypath, src_abbrev,
1015 dst_abbrev, p);
1016
1017 free(displaypath);
1018 free(src_abbrev);
1019 free(dst_abbrev);
1020 strbuf_release(&errmsg);
1021 }
1022
1023 static void prepare_submodule_summary(struct summary_cb *info,
1024 struct module_cb_list *list)
1025 {
1026 int i;
1027 for (i = 0; i < list->nr; i++) {
1028 const struct submodule *sub;
1029 struct module_cb *p = list->entries[i];
1030 struct strbuf sm_gitdir = STRBUF_INIT;
1031
1032 if (p->status == 'D' || p->status == 'T') {
1033 generate_submodule_summary(info, p);
1034 continue;
1035 }
1036
1037 if (info->for_status && p->status != 'A' &&
1038 (sub = submodule_from_path(the_repository,
1039 null_oid(), p->sm_path))) {
1040 char *config_key = NULL;
1041 const char *value;
1042 int ignore_all = 0;
1043
1044 config_key = xstrfmt("submodule.%s.ignore",
1045 sub->name);
1046 if (!git_config_get_string_tmp(config_key, &value))
1047 ignore_all = !strcmp(value, "all");
1048 else if (sub->ignore)
1049 ignore_all = !strcmp(sub->ignore, "all");
1050
1051 free(config_key);
1052 if (ignore_all)
1053 continue;
1054 }
1055
1056 /* Also show added or modified modules which are checked out */
1057 strbuf_addstr(&sm_gitdir, p->sm_path);
1058 if (is_nonbare_repository_dir(&sm_gitdir))
1059 generate_submodule_summary(info, p);
1060 strbuf_release(&sm_gitdir);
1061 }
1062 }
1063
1064 static void submodule_summary_callback(struct diff_queue_struct *q,
1065 struct diff_options *options UNUSED,
1066 void *data)
1067 {
1068 int i;
1069 struct module_cb_list *list = data;
1070 for (i = 0; i < q->nr; i++) {
1071 struct diff_filepair *p = q->queue[i];
1072 struct module_cb *temp;
1073
1074 if (!S_ISGITLINK(p->one->mode) && !S_ISGITLINK(p->two->mode))
1075 continue;
1076 temp = (struct module_cb*)malloc(sizeof(struct module_cb));
1077 temp->mod_src = p->one->mode;
1078 temp->mod_dst = p->two->mode;
1079 temp->oid_src = p->one->oid;
1080 temp->oid_dst = p->two->oid;
1081 temp->status = p->status;
1082 temp->sm_path = xstrdup(p->one->path);
1083
1084 ALLOC_GROW(list->entries, list->nr + 1, list->alloc);
1085 list->entries[list->nr++] = temp;
1086 }
1087 }
1088
1089 static const char *get_diff_cmd(enum diff_cmd diff_cmd)
1090 {
1091 switch (diff_cmd) {
1092 case DIFF_INDEX: return "diff-index";
1093 case DIFF_FILES: return "diff-files";
1094 default: BUG("bad diff_cmd value %d", diff_cmd);
1095 }
1096 }
1097
1098 static int compute_summary_module_list(struct object_id *head_oid,
1099 struct summary_cb *info,
1100 enum diff_cmd diff_cmd)
1101 {
1102 struct strvec diff_args = STRVEC_INIT;
1103 struct rev_info rev;
1104 struct setup_revision_opt opt = {
1105 .free_removed_argv_elements = 1,
1106 };
1107 struct module_cb_list list = MODULE_CB_LIST_INIT;
1108 int ret = 0;
1109
1110 strvec_push(&diff_args, get_diff_cmd(diff_cmd));
1111 if (info->cached)
1112 strvec_push(&diff_args, "--cached");
1113 strvec_pushl(&diff_args, "--ignore-submodules=dirty", "--raw", NULL);
1114 if (head_oid)
1115 strvec_push(&diff_args, oid_to_hex(head_oid));
1116 strvec_push(&diff_args, "--");
1117 if (info->argc)
1118 strvec_pushv(&diff_args, info->argv);
1119
1120 git_config(git_diff_basic_config, NULL);
1121 repo_init_revisions(the_repository, &rev, info->prefix);
1122 rev.abbrev = 0;
1123 precompose_argv_prefix(diff_args.nr, diff_args.v, NULL);
1124 setup_revisions(diff_args.nr, diff_args.v, &rev, &opt);
1125 rev.diffopt.output_format = DIFF_FORMAT_NO_OUTPUT | DIFF_FORMAT_CALLBACK;
1126 rev.diffopt.format_callback = submodule_summary_callback;
1127 rev.diffopt.format_callback_data = &list;
1128
1129 if (!info->cached) {
1130 if (diff_cmd == DIFF_INDEX)
1131 setup_work_tree();
1132 if (repo_read_index_preload(the_repository, &rev.diffopt.pathspec, 0) < 0) {
1133 perror("repo_read_index_preload");
1134 ret = -1;
1135 goto cleanup;
1136 }
1137 } else if (repo_read_index(the_repository) < 0) {
1138 perror("repo_read_cache");
1139 ret = -1;
1140 goto cleanup;
1141 }
1142
1143 if (diff_cmd == DIFF_INDEX)
1144 run_diff_index(&rev, info->cached);
1145 else
1146 run_diff_files(&rev, 0);
1147 prepare_submodule_summary(info, &list);
1148 cleanup:
1149 strvec_clear(&diff_args);
1150 release_revisions(&rev);
1151 module_cb_list_release(&list);
1152 return ret;
1153 }
1154
1155 static int module_summary(int argc, const char **argv, const char *prefix)
1156 {
1157 struct summary_cb info = SUMMARY_CB_INIT;
1158 int cached = 0;
1159 int for_status = 0;
1160 int files = 0;
1161 int summary_limit = -1;
1162 enum diff_cmd diff_cmd = DIFF_INDEX;
1163 struct object_id head_oid;
1164 int ret;
1165 struct option module_summary_options[] = {
1166 OPT_BOOL(0, "cached", &cached,
1167 N_("use the commit stored in the index instead of the submodule HEAD")),
1168 OPT_BOOL(0, "files", &files,
1169 N_("compare the commit in the index with that in the submodule HEAD")),
1170 OPT_BOOL(0, "for-status", &for_status,
1171 N_("skip submodules with 'ignore_config' value set to 'all'")),
1172 OPT_INTEGER('n', "summary-limit", &summary_limit,
1173 N_("limit the summary size")),
1174 OPT_END()
1175 };
1176 const char *const git_submodule_helper_usage[] = {
1177 N_("git submodule summary [<options>] [<commit>] [--] [<path>]"),
1178 NULL
1179 };
1180
1181 argc = parse_options(argc, argv, prefix, module_summary_options,
1182 git_submodule_helper_usage, 0);
1183
1184 if (!summary_limit)
1185 return 0;
1186
1187 if (!repo_get_oid(the_repository, argc ? argv[0] : "HEAD", &head_oid)) {
1188 if (argc) {
1189 argv++;
1190 argc--;
1191 }
1192 } else if (!argc || !strcmp(argv[0], "HEAD")) {
1193 /* before the first commit: compare with an empty tree */
1194 oidcpy(&head_oid, the_hash_algo->empty_tree);
1195 if (argc) {
1196 argv++;
1197 argc--;
1198 }
1199 } else {
1200 if (repo_get_oid(the_repository, "HEAD", &head_oid))
1201 die(_("could not fetch a revision for HEAD"));
1202 }
1203
1204 if (files) {
1205 if (cached)
1206 die(_("options '%s' and '%s' cannot be used together"), "--cached", "--files");
1207 diff_cmd = DIFF_FILES;
1208 }
1209
1210 info.argc = argc;
1211 info.argv = argv;
1212 info.prefix = prefix;
1213 info.cached = !!cached;
1214 info.files = !!files;
1215 info.for_status = !!for_status;
1216 info.summary_limit = summary_limit;
1217
1218 ret = compute_summary_module_list((diff_cmd == DIFF_INDEX) ? &head_oid : NULL,
1219 &info, diff_cmd);
1220 return ret;
1221 }
1222
1223 struct sync_cb {
1224 const char *prefix;
1225 const char *super_prefix;
1226 unsigned int flags;
1227 };
1228 #define SYNC_CB_INIT { 0 }
1229
1230 static void sync_submodule(const char *path, const char *prefix,
1231 const char *super_prefix, unsigned int flags)
1232 {
1233 const struct submodule *sub;
1234 char *remote_key = NULL;
1235 char *sub_origin_url, *super_config_url, *displaypath, *default_remote;
1236 struct strbuf sb = STRBUF_INIT;
1237 char *sub_config_path = NULL;
1238 int code;
1239
1240 if (!is_submodule_active(the_repository, path))
1241 return;
1242
1243 sub = submodule_from_path(the_repository, null_oid(), path);
1244
1245 if (sub && sub->url) {
1246 if (starts_with_dot_dot_slash(sub->url) ||
1247 starts_with_dot_slash(sub->url)) {
1248 char *up_path = get_up_path(path);
1249
1250 sub_origin_url = resolve_relative_url(sub->url, up_path, 1);
1251 super_config_url = resolve_relative_url(sub->url, NULL, 1);
1252 free(up_path);
1253 } else {
1254 sub_origin_url = xstrdup(sub->url);
1255 super_config_url = xstrdup(sub->url);
1256 }
1257 } else {
1258 sub_origin_url = xstrdup("");
1259 super_config_url = xstrdup("");
1260 }
1261
1262 displaypath = get_submodule_displaypath(path, prefix, super_prefix);
1263
1264 if (!(flags & OPT_QUIET))
1265 printf(_("Synchronizing submodule url for '%s'\n"),
1266 displaypath);
1267
1268 strbuf_reset(&sb);
1269 strbuf_addf(&sb, "submodule.%s.url", sub->name);
1270 if (git_config_set_gently(sb.buf, super_config_url))
1271 die(_("failed to register url for submodule path '%s'"),
1272 displaypath);
1273
1274 if (!is_submodule_populated_gently(path, NULL))
1275 goto cleanup;
1276
1277 strbuf_reset(&sb);
1278 code = get_default_remote_submodule(path, &default_remote);
1279 if (code)
1280 exit(code);
1281
1282 remote_key = xstrfmt("remote.%s.url", default_remote);
1283 free(default_remote);
1284
1285 submodule_to_gitdir(&sb, path);
1286 strbuf_addstr(&sb, "/config");
1287
1288 if (git_config_set_in_file_gently(sb.buf, remote_key, sub_origin_url))
1289 die(_("failed to update remote for submodule '%s'"),
1290 path);
1291
1292 if (flags & OPT_RECURSIVE) {
1293 struct child_process cpr = CHILD_PROCESS_INIT;
1294
1295 cpr.git_cmd = 1;
1296 cpr.dir = path;
1297 prepare_submodule_repo_env(&cpr.env);
1298
1299 strvec_pushl(&cpr.args, "submodule--helper", "sync",
1300 "--recursive", NULL);
1301 strvec_push(&cpr.args, "--super-prefix");
1302 strvec_pushf(&cpr.args, "%s/", displaypath);
1303
1304
1305 if (flags & OPT_QUIET)
1306 strvec_push(&cpr.args, "--quiet");
1307
1308 if (run_command(&cpr))
1309 die(_("failed to recurse into submodule '%s'"),
1310 path);
1311 }
1312
1313 cleanup:
1314 free(super_config_url);
1315 free(sub_origin_url);
1316 strbuf_release(&sb);
1317 free(remote_key);
1318 free(displaypath);
1319 free(sub_config_path);
1320 }
1321
1322 static void sync_submodule_cb(const struct cache_entry *list_item, void *cb_data)
1323 {
1324 struct sync_cb *info = cb_data;
1325
1326 sync_submodule(list_item->name, info->prefix, info->super_prefix,
1327 info->flags);
1328 }
1329
1330 static int module_sync(int argc, const char **argv, const char *prefix)
1331 {
1332 struct sync_cb info = SYNC_CB_INIT;
1333 struct pathspec pathspec = { 0 };
1334 struct module_list list = MODULE_LIST_INIT;
1335 int quiet = 0;
1336 int recursive = 0;
1337 struct option module_sync_options[] = {
1338 OPT__SUPER_PREFIX(&info.super_prefix),
1339 OPT__QUIET(&quiet, N_("suppress output of synchronizing submodule url")),
1340 OPT_BOOL(0, "recursive", &recursive,
1341 N_("recurse into nested submodules")),
1342 OPT_END()
1343 };
1344 const char *const git_submodule_helper_usage[] = {
1345 N_("git submodule sync [--quiet] [--recursive] [<path>]"),
1346 NULL
1347 };
1348 int ret = 1;
1349
1350 argc = parse_options(argc, argv, prefix, module_sync_options,
1351 git_submodule_helper_usage, 0);
1352
1353 if (module_list_compute(argv, prefix, &pathspec, &list) < 0)
1354 goto cleanup;
1355
1356 info.prefix = prefix;
1357 if (quiet)
1358 info.flags |= OPT_QUIET;
1359 if (recursive)
1360 info.flags |= OPT_RECURSIVE;
1361
1362 for_each_listed_submodule(&list, sync_submodule_cb, &info);
1363
1364 ret = 0;
1365 cleanup:
1366 module_list_release(&list);
1367 clear_pathspec(&pathspec);
1368 return ret;
1369 }
1370
1371 struct deinit_cb {
1372 const char *prefix;
1373 unsigned int flags;
1374 };
1375 #define DEINIT_CB_INIT { 0 }
1376
1377 static void deinit_submodule(const char *path, const char *prefix,
1378 unsigned int flags)
1379 {
1380 const struct submodule *sub;
1381 char *displaypath = NULL;
1382 struct child_process cp_config = CHILD_PROCESS_INIT;
1383 struct strbuf sb_config = STRBUF_INIT;
1384 char *sub_git_dir = xstrfmt("%s/.git", path);
1385
1386 sub = submodule_from_path(the_repository, null_oid(), path);
1387
1388 if (!sub || !sub->name)
1389 goto cleanup;
1390
1391 displaypath = get_submodule_displaypath(path, prefix, NULL);
1392
1393 /* remove the submodule work tree (unless the user already did it) */
1394 if (is_directory(path)) {
1395 struct strbuf sb_rm = STRBUF_INIT;
1396 const char *format;
1397
1398 if (is_directory(sub_git_dir)) {
1399 if (!(flags & OPT_QUIET))
1400 warning(_("Submodule work tree '%s' contains a .git "
1401 "directory. This will be replaced with a "
1402 ".git file by using absorbgitdirs."),
1403 displaypath);
1404
1405 absorb_git_dir_into_superproject(path, NULL);
1406
1407 }
1408
1409 if (!(flags & OPT_FORCE)) {
1410 struct child_process cp_rm = CHILD_PROCESS_INIT;
1411
1412 cp_rm.git_cmd = 1;
1413 strvec_pushl(&cp_rm.args, "rm", "-qn",
1414 path, NULL);
1415
1416 if (run_command(&cp_rm))
1417 die(_("Submodule work tree '%s' contains local "
1418 "modifications; use '-f' to discard them"),
1419 displaypath);
1420 }
1421
1422 strbuf_addstr(&sb_rm, path);
1423
1424 if (!remove_dir_recursively(&sb_rm, 0))
1425 format = _("Cleared directory '%s'\n");
1426 else
1427 format = _("Could not remove submodule work tree '%s'\n");
1428
1429 if (!(flags & OPT_QUIET))
1430 printf(format, displaypath);
1431
1432 submodule_unset_core_worktree(sub);
1433
1434 strbuf_release(&sb_rm);
1435 }
1436
1437 if (mkdir(path, 0777))
1438 printf(_("could not create empty submodule directory %s"),
1439 displaypath);
1440
1441 cp_config.git_cmd = 1;
1442 strvec_pushl(&cp_config.args, "config", "--get-regexp", NULL);
1443 strvec_pushf(&cp_config.args, "submodule.%s\\.", sub->name);
1444
1445 /* remove the .git/config entries (unless the user already did it) */
1446 if (!capture_command(&cp_config, &sb_config, 0) && sb_config.len) {
1447 char *sub_key = xstrfmt("submodule.%s", sub->name);
1448
1449 /*
1450 * remove the whole section so we have a clean state when
1451 * the user later decides to init this submodule again
1452 */
1453 git_config_rename_section_in_file(NULL, sub_key, NULL);
1454 if (!(flags & OPT_QUIET))
1455 printf(_("Submodule '%s' (%s) unregistered for path '%s'\n"),
1456 sub->name, sub->url, displaypath);
1457 free(sub_key);
1458 }
1459
1460 cleanup:
1461 free(displaypath);
1462 free(sub_git_dir);
1463 strbuf_release(&sb_config);
1464 }
1465
1466 static void deinit_submodule_cb(const struct cache_entry *list_item,
1467 void *cb_data)
1468 {
1469 struct deinit_cb *info = cb_data;
1470 deinit_submodule(list_item->name, info->prefix, info->flags);
1471 }
1472
1473 static int module_deinit(int argc, const char **argv, const char *prefix)
1474 {
1475 struct deinit_cb info = DEINIT_CB_INIT;
1476 struct pathspec pathspec = { 0 };
1477 struct module_list list = MODULE_LIST_INIT;
1478 int quiet = 0;
1479 int force = 0;
1480 int all = 0;
1481 struct option module_deinit_options[] = {
1482 OPT__QUIET(&quiet, N_("suppress submodule status output")),
1483 OPT__FORCE(&force, N_("remove submodule working trees even if they contain local changes"), 0),
1484 OPT_BOOL(0, "all", &all, N_("unregister all submodules")),
1485 OPT_END()
1486 };
1487 const char *const git_submodule_helper_usage[] = {
1488 N_("git submodule deinit [--quiet] [-f | --force] [--all | [--] [<path>...]]"),
1489 NULL
1490 };
1491 int ret = 1;
1492
1493 argc = parse_options(argc, argv, prefix, module_deinit_options,
1494 git_submodule_helper_usage, 0);
1495
1496 if (all && argc) {
1497 error("pathspec and --all are incompatible");
1498 usage_with_options(git_submodule_helper_usage,
1499 module_deinit_options);
1500 }
1501
1502 if (!argc && !all)
1503 die(_("Use '--all' if you really want to deinitialize all submodules"));
1504
1505 if (module_list_compute(argv, prefix, &pathspec, &list) < 0)
1506 goto cleanup;
1507
1508 info.prefix = prefix;
1509 if (quiet)
1510 info.flags |= OPT_QUIET;
1511 if (force)
1512 info.flags |= OPT_FORCE;
1513
1514 for_each_listed_submodule(&list, deinit_submodule_cb, &info);
1515
1516 ret = 0;
1517 cleanup:
1518 module_list_release(&list);
1519 clear_pathspec(&pathspec);
1520 return ret;
1521 }
1522
1523 struct module_clone_data {
1524 const char *prefix;
1525 const char *path;
1526 const char *name;
1527 const char *url;
1528 const char *depth;
1529 struct list_objects_filter_options *filter_options;
1530 unsigned int quiet: 1;
1531 unsigned int progress: 1;
1532 unsigned int dissociate: 1;
1533 unsigned int require_init: 1;
1534 int single_branch;
1535 };
1536 #define MODULE_CLONE_DATA_INIT { \
1537 .single_branch = -1, \
1538 }
1539
1540 struct submodule_alternate_setup {
1541 const char *submodule_name;
1542 enum SUBMODULE_ALTERNATE_ERROR_MODE {
1543 SUBMODULE_ALTERNATE_ERROR_DIE,
1544 SUBMODULE_ALTERNATE_ERROR_INFO,
1545 SUBMODULE_ALTERNATE_ERROR_IGNORE
1546 } error_mode;
1547 struct string_list *reference;
1548 };
1549 #define SUBMODULE_ALTERNATE_SETUP_INIT { \
1550 .error_mode = SUBMODULE_ALTERNATE_ERROR_IGNORE, \
1551 }
1552
1553 static const char alternate_error_advice[] = N_(
1554 "An alternate computed from a superproject's alternate is invalid.\n"
1555 "To allow Git to clone without an alternate in such a case, set\n"
1556 "submodule.alternateErrorStrategy to 'info' or, equivalently, clone with\n"
1557 "'--reference-if-able' instead of '--reference'."
1558 );
1559
1560 static int add_possible_reference_from_superproject(
1561 struct object_directory *odb, void *sas_cb)
1562 {
1563 struct submodule_alternate_setup *sas = sas_cb;
1564 size_t len;
1565
1566 /*
1567 * If the alternate object store is another repository, try the
1568 * standard layout with .git/(modules/<name>)+/objects
1569 */
1570 if (strip_suffix(odb->path, "/objects", &len)) {
1571 struct repository alternate;
1572 char *sm_alternate;
1573 struct strbuf sb = STRBUF_INIT;
1574 struct strbuf err = STRBUF_INIT;
1575 strbuf_add(&sb, odb->path, len);
1576
1577 if (repo_init(&alternate, sb.buf, NULL) < 0)
1578 die(_("could not get a repository handle for gitdir '%s'"),
1579 sb.buf);
1580
1581 /*
1582 * We need to end the new path with '/' to mark it as a dir,
1583 * otherwise a submodule name containing '/' will be broken
1584 * as the last part of a missing submodule reference would
1585 * be taken as a file name.
1586 */
1587 strbuf_reset(&sb);
1588 submodule_name_to_gitdir(&sb, &alternate, sas->submodule_name);
1589 strbuf_addch(&sb, '/');
1590 repo_clear(&alternate);
1591
1592 sm_alternate = compute_alternate_path(sb.buf, &err);
1593 if (sm_alternate) {
1594 char *p = strbuf_detach(&sb, NULL);
1595
1596 string_list_append(sas->reference, p)->util = p;
1597 free(sm_alternate);
1598 } else {
1599 switch (sas->error_mode) {
1600 case SUBMODULE_ALTERNATE_ERROR_DIE:
1601 if (advice_enabled(ADVICE_SUBMODULE_ALTERNATE_ERROR_STRATEGY_DIE))
1602 advise(_(alternate_error_advice));
1603 die(_("submodule '%s' cannot add alternate: %s"),
1604 sas->submodule_name, err.buf);
1605 case SUBMODULE_ALTERNATE_ERROR_INFO:
1606 fprintf_ln(stderr, _("submodule '%s' cannot add alternate: %s"),
1607 sas->submodule_name, err.buf);
1608 case SUBMODULE_ALTERNATE_ERROR_IGNORE:
1609 ; /* nothing */
1610 }
1611 }
1612 strbuf_release(&sb);
1613 }
1614
1615 return 0;
1616 }
1617
1618 static void prepare_possible_alternates(const char *sm_name,
1619 struct string_list *reference)
1620 {
1621 char *sm_alternate = NULL, *error_strategy = NULL;
1622 struct submodule_alternate_setup sas = SUBMODULE_ALTERNATE_SETUP_INIT;
1623
1624 git_config_get_string("submodule.alternateLocation", &sm_alternate);
1625 if (!sm_alternate)
1626 return;
1627
1628 git_config_get_string("submodule.alternateErrorStrategy", &error_strategy);
1629
1630 if (!error_strategy)
1631 error_strategy = xstrdup("die");
1632
1633 sas.submodule_name = sm_name;
1634 sas.reference = reference;
1635 if (!strcmp(error_strategy, "die"))
1636 sas.error_mode = SUBMODULE_ALTERNATE_ERROR_DIE;
1637 else if (!strcmp(error_strategy, "info"))
1638 sas.error_mode = SUBMODULE_ALTERNATE_ERROR_INFO;
1639 else if (!strcmp(error_strategy, "ignore"))
1640 sas.error_mode = SUBMODULE_ALTERNATE_ERROR_IGNORE;
1641 else
1642 die(_("Value '%s' for submodule.alternateErrorStrategy is not recognized"), error_strategy);
1643
1644 if (!strcmp(sm_alternate, "superproject"))
1645 foreach_alt_odb(add_possible_reference_from_superproject, &sas);
1646 else if (!strcmp(sm_alternate, "no"))
1647 ; /* do nothing */
1648 else
1649 die(_("Value '%s' for submodule.alternateLocation is not recognized"), sm_alternate);
1650
1651 free(sm_alternate);
1652 free(error_strategy);
1653 }
1654
1655 static char *clone_submodule_sm_gitdir(const char *name)
1656 {
1657 struct strbuf sb = STRBUF_INIT;
1658 char *sm_gitdir;
1659
1660 submodule_name_to_gitdir(&sb, the_repository, name);
1661 sm_gitdir = absolute_pathdup(sb.buf);
1662 strbuf_release(&sb);
1663
1664 return sm_gitdir;
1665 }
1666
1667 static int clone_submodule(const struct module_clone_data *clone_data,
1668 struct string_list *reference)
1669 {
1670 char *p;
1671 char *sm_gitdir = clone_submodule_sm_gitdir(clone_data->name);
1672 char *sm_alternate = NULL, *error_strategy = NULL;
1673 struct child_process cp = CHILD_PROCESS_INIT;
1674 const char *clone_data_path = clone_data->path;
1675 char *to_free = NULL;
1676
1677 if (!is_absolute_path(clone_data->path))
1678 clone_data_path = to_free = xstrfmt("%s/%s", get_git_work_tree(),
1679 clone_data->path);
1680
1681 if (validate_submodule_git_dir(sm_gitdir, clone_data->name) < 0)
1682 die(_("refusing to create/use '%s' in another submodule's "
1683 "git dir"), sm_gitdir);
1684
1685 if (!file_exists(sm_gitdir)) {
1686 if (safe_create_leading_directories_const(sm_gitdir) < 0)
1687 die(_("could not create directory '%s'"), sm_gitdir);
1688
1689 prepare_possible_alternates(clone_data->name, reference);
1690
1691 strvec_push(&cp.args, "clone");
1692 strvec_push(&cp.args, "--no-checkout");
1693 if (clone_data->quiet)
1694 strvec_push(&cp.args, "--quiet");
1695 if (clone_data->progress)
1696 strvec_push(&cp.args, "--progress");
1697 if (clone_data->depth && *(clone_data->depth))
1698 strvec_pushl(&cp.args, "--depth", clone_data->depth, NULL);
1699 if (reference->nr) {
1700 struct string_list_item *item;
1701
1702 for_each_string_list_item(item, reference)
1703 strvec_pushl(&cp.args, "--reference",
1704 item->string, NULL);
1705 }
1706 if (clone_data->dissociate)
1707 strvec_push(&cp.args, "--dissociate");
1708 if (sm_gitdir && *sm_gitdir)
1709 strvec_pushl(&cp.args, "--separate-git-dir", sm_gitdir, NULL);
1710 if (clone_data->filter_options && clone_data->filter_options->choice)
1711 strvec_pushf(&cp.args, "--filter=%s",
1712 expand_list_objects_filter_spec(
1713 clone_data->filter_options));
1714 if (clone_data->single_branch >= 0)
1715 strvec_push(&cp.args, clone_data->single_branch ?
1716 "--single-branch" :
1717 "--no-single-branch");
1718
1719 strvec_push(&cp.args, "--");
1720 strvec_push(&cp.args, clone_data->url);
1721 strvec_push(&cp.args, clone_data_path);
1722
1723 cp.git_cmd = 1;
1724 prepare_submodule_repo_env(&cp.env);
1725 cp.no_stdin = 1;
1726
1727 if(run_command(&cp))
1728 die(_("clone of '%s' into submodule path '%s' failed"),
1729 clone_data->url, clone_data_path);
1730 } else {
1731 char *path;
1732
1733 if (clone_data->require_init && !access(clone_data_path, X_OK) &&
1734 !is_empty_dir(clone_data_path))
1735 die(_("directory not empty: '%s'"), clone_data_path);
1736 if (safe_create_leading_directories_const(clone_data_path) < 0)
1737 die(_("could not create directory '%s'"), clone_data_path);
1738 path = xstrfmt("%s/index", sm_gitdir);
1739 unlink_or_warn(path);
1740 free(path);
1741 }
1742
1743 connect_work_tree_and_git_dir(clone_data_path, sm_gitdir, 0);
1744
1745 p = git_pathdup_submodule(clone_data_path, "config");
1746 if (!p)
1747 die(_("could not get submodule directory for '%s'"), clone_data_path);
1748
1749 /* setup alternateLocation and alternateErrorStrategy in the cloned submodule if needed */
1750 git_config_get_string("submodule.alternateLocation", &sm_alternate);
1751 if (sm_alternate)
1752 git_config_set_in_file(p, "submodule.alternateLocation",
1753 sm_alternate);
1754 git_config_get_string("submodule.alternateErrorStrategy", &error_strategy);
1755 if (error_strategy)
1756 git_config_set_in_file(p, "submodule.alternateErrorStrategy",
1757 error_strategy);
1758
1759 free(sm_alternate);
1760 free(error_strategy);
1761
1762 free(sm_gitdir);
1763 free(p);
1764 free(to_free);
1765 return 0;
1766 }
1767
1768 static int module_clone(int argc, const char **argv, const char *prefix)
1769 {
1770 int dissociate = 0, quiet = 0, progress = 0, require_init = 0;
1771 struct module_clone_data clone_data = MODULE_CLONE_DATA_INIT;
1772 struct string_list reference = STRING_LIST_INIT_NODUP;
1773 struct list_objects_filter_options filter_options =
1774 LIST_OBJECTS_FILTER_INIT;
1775
1776 struct option module_clone_options[] = {
1777 OPT_STRING(0, "prefix", &clone_data.prefix,
1778 N_("path"),
1779 N_("alternative anchor for relative paths")),
1780 OPT_STRING(0, "path", &clone_data.path,
1781 N_("path"),
1782 N_("where the new submodule will be cloned to")),
1783 OPT_STRING(0, "name", &clone_data.name,
1784 N_("string"),
1785 N_("name of the new submodule")),
1786 OPT_STRING(0, "url", &clone_data.url,
1787 N_("string"),
1788 N_("url where to clone the submodule from")),
1789 OPT_STRING_LIST(0, "reference", &reference,
1790 N_("repo"),
1791 N_("reference repository")),
1792 OPT_BOOL(0, "dissociate", &dissociate,
1793 N_("use --reference only while cloning")),
1794 OPT_STRING(0, "depth", &clone_data.depth,
1795 N_("string"),
1796 N_("depth for shallow clones")),
1797 OPT__QUIET(&quiet, "suppress output for cloning a submodule"),
1798 OPT_BOOL(0, "progress", &progress,
1799 N_("force cloning progress")),
1800 OPT_BOOL(0, "require-init", &require_init,
1801 N_("disallow cloning into non-empty directory")),
1802 OPT_BOOL(0, "single-branch", &clone_data.single_branch,
1803 N_("clone only one branch, HEAD or --branch")),
1804 OPT_PARSE_LIST_OBJECTS_FILTER(&filter_options),
1805 OPT_END()
1806 };
1807 const char *const git_submodule_helper_usage[] = {
1808 N_("git submodule--helper clone [--prefix=<path>] [--quiet] "
1809 "[--reference <repository>] [--name <name>] [--depth <depth>] "
1810 "[--single-branch] [--filter <filter-spec>] "
1811 "--url <url> --path <path>"),
1812 NULL
1813 };
1814
1815 argc = parse_options(argc, argv, prefix, module_clone_options,
1816 git_submodule_helper_usage, 0);
1817
1818 clone_data.dissociate = !!dissociate;
1819 clone_data.quiet = !!quiet;
1820 clone_data.progress = !!progress;
1821 clone_data.require_init = !!require_init;
1822 clone_data.filter_options = &filter_options;
1823
1824 if (argc || !clone_data.url || !clone_data.path || !*(clone_data.path))
1825 usage_with_options(git_submodule_helper_usage,
1826 module_clone_options);
1827
1828 clone_submodule(&clone_data, &reference);
1829 list_objects_filter_release(&filter_options);
1830 string_list_clear(&reference, 1);
1831 return 0;
1832 }
1833
1834 static int determine_submodule_update_strategy(struct repository *r,
1835 int just_cloned,
1836 const char *path,
1837 enum submodule_update_type update,
1838 struct submodule_update_strategy *out)
1839 {
1840 const struct submodule *sub = submodule_from_path(r, null_oid(), path);
1841 char *key;
1842 const char *val;
1843 int ret;
1844
1845 key = xstrfmt("submodule.%s.update", sub->name);
1846
1847 if (update) {
1848 out->type = update;
1849 } else if (!repo_config_get_string_tmp(r, key, &val)) {
1850 if (parse_submodule_update_strategy(val, out) < 0) {
1851 ret = die_message(_("Invalid update mode '%s' configured for submodule path '%s'"),
1852 val, path);
1853 goto cleanup;
1854 }
1855 } else if (sub->update_strategy.type != SM_UPDATE_UNSPECIFIED) {
1856 if (sub->update_strategy.type == SM_UPDATE_COMMAND)
1857 BUG("how did we read update = !command from .gitmodules?");
1858 out->type = sub->update_strategy.type;
1859 out->command = sub->update_strategy.command;
1860 } else
1861 out->type = SM_UPDATE_CHECKOUT;
1862
1863 if (just_cloned &&
1864 (out->type == SM_UPDATE_MERGE ||
1865 out->type == SM_UPDATE_REBASE ||
1866 out->type == SM_UPDATE_NONE))
1867 out->type = SM_UPDATE_CHECKOUT;
1868
1869 ret = 0;
1870 cleanup:
1871 free(key);
1872 return ret;
1873 }
1874
1875 struct update_clone_data {
1876 const struct submodule *sub;
1877 struct object_id oid;
1878 unsigned just_cloned;
1879 };
1880
1881 struct submodule_update_clone {
1882 /* index into 'update_data.list', the list of submodules to look into for cloning */
1883 int current;
1884
1885 /* configuration parameters which are passed on to the children */
1886 const struct update_data *update_data;
1887
1888 /* to be consumed by update_submodule() */
1889 struct update_clone_data *update_clone;
1890 int update_clone_nr; int update_clone_alloc;
1891
1892 /* If we want to stop as fast as possible and return an error */
1893 unsigned quickstop : 1;
1894
1895 /* failed clones to be retried again */
1896 const struct cache_entry **failed_clones;
1897 int failed_clones_nr, failed_clones_alloc;
1898 };
1899 #define SUBMODULE_UPDATE_CLONE_INIT { 0 }
1900
1901 static void submodule_update_clone_release(struct submodule_update_clone *suc)
1902 {
1903 free(suc->update_clone);
1904 free(suc->failed_clones);
1905 }
1906
1907 struct update_data {
1908 const char *prefix;
1909 const char *super_prefix;
1910 char *displaypath;
1911 enum submodule_update_type update_default;
1912 struct object_id suboid;
1913 struct string_list references;
1914 struct submodule_update_strategy update_strategy;
1915 struct list_objects_filter_options *filter_options;
1916 struct module_list list;
1917 int depth;
1918 int max_jobs;
1919 int single_branch;
1920 int recommend_shallow;
1921 unsigned int require_init;
1922 unsigned int force;
1923 unsigned int quiet;
1924 unsigned int nofetch;
1925 unsigned int remote;
1926 unsigned int progress;
1927 unsigned int dissociate;
1928 unsigned int init;
1929 unsigned int warn_if_uninitialized;
1930 unsigned int recursive;
1931
1932 /* copied over from update_clone_data */
1933 struct object_id oid;
1934 unsigned int just_cloned;
1935 const char *sm_path;
1936 };
1937 #define UPDATE_DATA_INIT { \
1938 .update_strategy = SUBMODULE_UPDATE_STRATEGY_INIT, \
1939 .list = MODULE_LIST_INIT, \
1940 .recommend_shallow = -1, \
1941 .references = STRING_LIST_INIT_DUP, \
1942 .single_branch = -1, \
1943 .max_jobs = 1, \
1944 }
1945
1946 static void update_data_release(struct update_data *ud)
1947 {
1948 free(ud->displaypath);
1949 module_list_release(&ud->list);
1950 }
1951
1952 static void next_submodule_warn_missing(struct submodule_update_clone *suc,
1953 struct strbuf *out, const char *displaypath)
1954 {
1955 /*
1956 * Only mention uninitialized submodules when their
1957 * paths have been specified.
1958 */
1959 if (suc->update_data->warn_if_uninitialized) {
1960 strbuf_addf(out,
1961 _("Submodule path '%s' not initialized"),
1962 displaypath);
1963 strbuf_addch(out, '\n');
1964 strbuf_addstr(out,
1965 _("Maybe you want to use 'update --init'?"));
1966 strbuf_addch(out, '\n');
1967 }
1968 }
1969
1970 /**
1971 * Determine whether 'ce' needs to be cloned. If so, prepare the 'child' to
1972 * run the clone. Returns 1 if 'ce' needs to be cloned, 0 otherwise.
1973 */
1974 static int prepare_to_clone_next_submodule(const struct cache_entry *ce,
1975 struct child_process *child,
1976 struct submodule_update_clone *suc,
1977 struct strbuf *out)
1978 {
1979 const struct submodule *sub = NULL;
1980 const char *url = NULL;
1981 const char *update_string;
1982 enum submodule_update_type update_type;
1983 char *key;
1984 const struct update_data *ud = suc->update_data;
1985 char *displaypath = get_submodule_displaypath(ce->name, ud->prefix,
1986 ud->super_prefix);
1987 struct strbuf sb = STRBUF_INIT;
1988 int needs_cloning = 0;
1989 int need_free_url = 0;
1990
1991 if (ce_stage(ce)) {
1992 strbuf_addf(out, _("Skipping unmerged submodule %s"), displaypath);
1993 strbuf_addch(out, '\n');
1994 goto cleanup;
1995 }
1996
1997 sub = submodule_from_path(the_repository, null_oid(), ce->name);
1998
1999 if (!sub) {
2000 next_submodule_warn_missing(suc, out, displaypath);
2001 goto cleanup;
2002 }
2003
2004 key = xstrfmt("submodule.%s.update", sub->name);
2005 if (!repo_config_get_string_tmp(the_repository, key, &update_string)) {
2006 update_type = parse_submodule_update_type(update_string);
2007 } else {
2008 update_type = sub->update_strategy.type;
2009 }
2010 free(key);
2011
2012 if (suc->update_data->update_strategy.type == SM_UPDATE_NONE
2013 || (suc->update_data->update_strategy.type == SM_UPDATE_UNSPECIFIED
2014 && update_type == SM_UPDATE_NONE)) {
2015 strbuf_addf(out, _("Skipping submodule '%s'"), displaypath);
2016 strbuf_addch(out, '\n');
2017 goto cleanup;
2018 }
2019
2020 /* Check if the submodule has been initialized. */
2021 if (!is_submodule_active(the_repository, ce->name)) {
2022 next_submodule_warn_missing(suc, out, displaypath);
2023 goto cleanup;
2024 }
2025
2026 strbuf_reset(&sb);
2027 strbuf_addf(&sb, "submodule.%s.url", sub->name);
2028 if (repo_config_get_string_tmp(the_repository, sb.buf, &url)) {
2029 if (sub->url && (starts_with_dot_slash(sub->url) ||
2030 starts_with_dot_dot_slash(sub->url))) {
2031 url = resolve_relative_url(sub->url, NULL, 0);
2032 need_free_url = 1;
2033 } else
2034 url = sub->url;
2035 }
2036
2037 if (!url)
2038 die(_("cannot clone submodule '%s' without a URL"), sub->name);
2039
2040 strbuf_reset(&sb);
2041 strbuf_addf(&sb, "%s/.git", ce->name);
2042 needs_cloning = !file_exists(sb.buf);
2043
2044 ALLOC_GROW(suc->update_clone, suc->update_clone_nr + 1,
2045 suc->update_clone_alloc);
2046 oidcpy(&suc->update_clone[suc->update_clone_nr].oid, &ce->oid);
2047 suc->update_clone[suc->update_clone_nr].just_cloned = needs_cloning;
2048 suc->update_clone[suc->update_clone_nr].sub = sub;
2049 suc->update_clone_nr++;
2050
2051 if (!needs_cloning)
2052 goto cleanup;
2053
2054 child->git_cmd = 1;
2055 child->no_stdin = 1;
2056 child->stdout_to_stderr = 1;
2057 child->err = -1;
2058 strvec_push(&child->args, "submodule--helper");
2059 strvec_push(&child->args, "clone");
2060 if (suc->update_data->progress)
2061 strvec_push(&child->args, "--progress");
2062 if (suc->update_data->quiet)
2063 strvec_push(&child->args, "--quiet");
2064 if (suc->update_data->prefix)
2065 strvec_pushl(&child->args, "--prefix", suc->update_data->prefix, NULL);
2066 if (suc->update_data->recommend_shallow && sub->recommend_shallow == 1)
2067 strvec_push(&child->args, "--depth=1");
2068 else if (suc->update_data->depth)
2069 strvec_pushf(&child->args, "--depth=%d", suc->update_data->depth);
2070 if (suc->update_data->filter_options && suc->update_data->filter_options->choice)
2071 strvec_pushf(&child->args, "--filter=%s",
2072 expand_list_objects_filter_spec(suc->update_data->filter_options));
2073 if (suc->update_data->require_init)
2074 strvec_push(&child->args, "--require-init");
2075 strvec_pushl(&child->args, "--path", sub->path, NULL);
2076 strvec_pushl(&child->args, "--name", sub->name, NULL);
2077 strvec_pushl(&child->args, "--url", url, NULL);
2078 if (suc->update_data->references.nr) {
2079 struct string_list_item *item;
2080
2081 for_each_string_list_item(item, &suc->update_data->references)
2082 strvec_pushl(&child->args, "--reference", item->string, NULL);
2083 }
2084 if (suc->update_data->dissociate)
2085 strvec_push(&child->args, "--dissociate");
2086 if (suc->update_data->single_branch >= 0)
2087 strvec_push(&child->args, suc->update_data->single_branch ?
2088 "--single-branch" :
2089 "--no-single-branch");
2090
2091 cleanup:
2092 free(displaypath);
2093 strbuf_release(&sb);
2094 if (need_free_url)
2095 free((void*)url);
2096
2097 return needs_cloning;
2098 }
2099
2100 static int update_clone_get_next_task(struct child_process *child,
2101 struct strbuf *err,
2102 void *suc_cb,
2103 void **idx_task_cb)
2104 {
2105 struct submodule_update_clone *suc = suc_cb;
2106 const struct cache_entry *ce;
2107 int index;
2108
2109 for (; suc->current < suc->update_data->list.nr; suc->current++) {
2110 ce = suc->update_data->list.entries[suc->current];
2111 if (prepare_to_clone_next_submodule(ce, child, suc, err)) {
2112 int *p = xmalloc(sizeof(*p));
2113
2114 *p = suc->current;
2115 *idx_task_cb = p;
2116 suc->current++;
2117 return 1;
2118 }
2119 }
2120
2121 /*
2122 * The loop above tried cloning each submodule once, now try the
2123 * stragglers again, which we can imagine as an extension of the
2124 * entry list.
2125 */
2126 index = suc->current - suc->update_data->list.nr;
2127 if (index < suc->failed_clones_nr) {
2128 int *p;
2129
2130 ce = suc->failed_clones[index];
2131 if (!prepare_to_clone_next_submodule(ce, child, suc, err)) {
2132 suc->current ++;
2133 strbuf_addstr(err, "BUG: submodule considered for "
2134 "cloning, doesn't need cloning "
2135 "any more?\n");
2136 return 0;
2137 }
2138 p = xmalloc(sizeof(*p));
2139 *p = suc->current;
2140 *idx_task_cb = p;
2141 suc->current ++;
2142 return 1;
2143 }
2144
2145 return 0;
2146 }
2147
2148 static int update_clone_start_failure(struct strbuf *err UNUSED,
2149 void *suc_cb,
2150 void *idx_task_cb UNUSED)
2151 {
2152 struct submodule_update_clone *suc = suc_cb;
2153
2154 suc->quickstop = 1;
2155 return 1;
2156 }
2157
2158 static int update_clone_task_finished(int result,
2159 struct strbuf *err,
2160 void *suc_cb,
2161 void *idx_task_cb)
2162 {
2163 const struct cache_entry *ce;
2164 struct submodule_update_clone *suc = suc_cb;
2165 int *idxP = idx_task_cb;
2166 int idx = *idxP;
2167
2168 free(idxP);
2169
2170 if (!result)
2171 return 0;
2172
2173 if (idx < suc->update_data->list.nr) {
2174 ce = suc->update_data->list.entries[idx];
2175 strbuf_addf(err, _("Failed to clone '%s'. Retry scheduled"),
2176 ce->name);
2177 strbuf_addch(err, '\n');
2178 ALLOC_GROW(suc->failed_clones,
2179 suc->failed_clones_nr + 1,
2180 suc->failed_clones_alloc);
2181 suc->failed_clones[suc->failed_clones_nr++] = ce;
2182 return 0;
2183 } else {
2184 idx -= suc->update_data->list.nr;
2185 ce = suc->failed_clones[idx];
2186 strbuf_addf(err, _("Failed to clone '%s' a second time, aborting"),
2187 ce->name);
2188 strbuf_addch(err, '\n');
2189 suc->quickstop = 1;
2190 return 1;
2191 }
2192
2193 return 0;
2194 }
2195
2196 static int git_update_clone_config(const char *var, const char *value,
2197 void *cb)
2198 {
2199 int *max_jobs = cb;
2200
2201 if (!strcmp(var, "submodule.fetchjobs"))
2202 *max_jobs = parse_submodule_fetchjobs(var, value);
2203 return 0;
2204 }
2205
2206 static int is_tip_reachable(const char *path, const struct object_id *oid)
2207 {
2208 struct child_process cp = CHILD_PROCESS_INIT;
2209 struct strbuf rev = STRBUF_INIT;
2210 char *hex = oid_to_hex(oid);
2211
2212 cp.git_cmd = 1;
2213 cp.dir = path;
2214 cp.no_stderr = 1;
2215 strvec_pushl(&cp.args, "rev-list", "-n", "1", hex, "--not", "--all", NULL);
2216
2217 prepare_submodule_repo_env(&cp.env);
2218
2219 if (capture_command(&cp, &rev, GIT_MAX_HEXSZ + 1) || rev.len)
2220 return 0;
2221
2222 return 1;
2223 }
2224
2225 static int fetch_in_submodule(const char *module_path, int depth, int quiet,
2226 const struct object_id *oid)
2227 {
2228 struct child_process cp = CHILD_PROCESS_INIT;
2229
2230 prepare_submodule_repo_env(&cp.env);
2231 cp.git_cmd = 1;
2232 cp.dir = module_path;
2233
2234 strvec_push(&cp.args, "fetch");
2235 if (quiet)
2236 strvec_push(&cp.args, "--quiet");
2237 if (depth)
2238 strvec_pushf(&cp.args, "--depth=%d", depth);
2239 if (oid) {
2240 char *hex = oid_to_hex(oid);
2241 char *remote = get_default_remote();
2242
2243 strvec_pushl(&cp.args, remote, hex, NULL);
2244 free(remote);
2245 }
2246
2247 return run_command(&cp);
2248 }
2249
2250 static int run_update_command(const struct update_data *ud, int subforce)
2251 {
2252 struct child_process cp = CHILD_PROCESS_INIT;
2253 char *oid = oid_to_hex(&ud->oid);
2254 int ret;
2255
2256 switch (ud->update_strategy.type) {
2257 case SM_UPDATE_CHECKOUT:
2258 cp.git_cmd = 1;
2259 strvec_pushl(&cp.args, "checkout", "-q", NULL);
2260 if (subforce)
2261 strvec_push(&cp.args, "-f");
2262 break;
2263 case SM_UPDATE_REBASE:
2264 cp.git_cmd = 1;
2265 strvec_push(&cp.args, "rebase");
2266 if (ud->quiet)
2267 strvec_push(&cp.args, "--quiet");
2268 break;
2269 case SM_UPDATE_MERGE:
2270 cp.git_cmd = 1;
2271 strvec_push(&cp.args, "merge");
2272 if (ud->quiet)
2273 strvec_push(&cp.args, "--quiet");
2274 break;
2275 case SM_UPDATE_COMMAND:
2276 cp.use_shell = 1;
2277 strvec_push(&cp.args, ud->update_strategy.command);
2278 break;
2279 default:
2280 BUG("unexpected update strategy type: %d",
2281 ud->update_strategy.type);
2282 }
2283 strvec_push(&cp.args, oid);
2284
2285 cp.dir = ud->sm_path;
2286 prepare_submodule_repo_env(&cp.env);
2287 if ((ret = run_command(&cp))) {
2288 switch (ud->update_strategy.type) {
2289 case SM_UPDATE_CHECKOUT:
2290 die_message(_("Unable to checkout '%s' in submodule path '%s'"),
2291 oid, ud->displaypath);
2292 /* No "ret" assignment, use "git checkout"'s */
2293 break;
2294 case SM_UPDATE_REBASE:
2295 ret = die_message(_("Unable to rebase '%s' in submodule path '%s'"),
2296 oid, ud->displaypath);
2297 break;
2298 case SM_UPDATE_MERGE:
2299 ret = die_message(_("Unable to merge '%s' in submodule path '%s'"),
2300 oid, ud->displaypath);
2301 break;
2302 case SM_UPDATE_COMMAND:
2303 ret = die_message(_("Execution of '%s %s' failed in submodule path '%s'"),
2304 ud->update_strategy.command, oid, ud->displaypath);
2305 break;
2306 default:
2307 BUG("unexpected update strategy type: %d",
2308 ud->update_strategy.type);
2309 }
2310
2311 return ret;
2312 }
2313
2314 if (ud->quiet)
2315 return 0;
2316
2317 switch (ud->update_strategy.type) {
2318 case SM_UPDATE_CHECKOUT:
2319 printf(_("Submodule path '%s': checked out '%s'\n"),
2320 ud->displaypath, oid);
2321 break;
2322 case SM_UPDATE_REBASE:
2323 printf(_("Submodule path '%s': rebased into '%s'\n"),
2324 ud->displaypath, oid);
2325 break;
2326 case SM_UPDATE_MERGE:
2327 printf(_("Submodule path '%s': merged in '%s'\n"),
2328 ud->displaypath, oid);
2329 break;
2330 case SM_UPDATE_COMMAND:
2331 printf(_("Submodule path '%s': '%s %s'\n"),
2332 ud->displaypath, ud->update_strategy.command, oid);
2333 break;
2334 default:
2335 BUG("unexpected update strategy type: %d",
2336 ud->update_strategy.type);
2337 }
2338
2339 return 0;
2340 }
2341
2342 static int run_update_procedure(const struct update_data *ud)
2343 {
2344 int subforce = is_null_oid(&ud->suboid) || ud->force;
2345
2346 if (!ud->nofetch) {
2347 /*
2348 * Run fetch only if `oid` isn't present or it
2349 * is not reachable from a ref.
2350 */
2351 if (!is_tip_reachable(ud->sm_path, &ud->oid) &&
2352 fetch_in_submodule(ud->sm_path, ud->depth, ud->quiet, NULL) &&
2353 !ud->quiet)
2354 fprintf_ln(stderr,
2355 _("Unable to fetch in submodule path '%s'; "
2356 "trying to directly fetch %s:"),
2357 ud->displaypath, oid_to_hex(&ud->oid));
2358 /*
2359 * Now we tried the usual fetch, but `oid` may
2360 * not be reachable from any of the refs.
2361 */
2362 if (!is_tip_reachable(ud->sm_path, &ud->oid) &&
2363 fetch_in_submodule(ud->sm_path, ud->depth, ud->quiet, &ud->oid))
2364 return die_message(_("Fetched in submodule path '%s', but it did not "
2365 "contain %s. Direct fetching of that commit failed."),
2366 ud->displaypath, oid_to_hex(&ud->oid));
2367 }
2368
2369 return run_update_command(ud, subforce);
2370 }
2371
2372 static int remote_submodule_branch(const char *path, const char **branch)
2373 {
2374 const struct submodule *sub;
2375 char *key;
2376 *branch = NULL;
2377
2378 sub = submodule_from_path(the_repository, null_oid(), path);
2379 if (!sub)
2380 return die_message(_("could not initialize submodule at path '%s'"),
2381 path);
2382
2383 key = xstrfmt("submodule.%s.branch", sub->name);
2384 if (repo_config_get_string_tmp(the_repository, key, branch))
2385 *branch = sub->branch;
2386 free(key);
2387
2388 if (!*branch) {
2389 *branch = "HEAD";
2390 return 0;
2391 }
2392
2393 if (!strcmp(*branch, ".")) {
2394 const char *refname = resolve_ref_unsafe("HEAD", 0, NULL, NULL);
2395
2396 if (!refname)
2397 return die_message(_("No such ref: %s"), "HEAD");
2398
2399 /* detached HEAD */
2400 if (!strcmp(refname, "HEAD"))
2401 return die_message(_("Submodule (%s) branch configured to inherit "
2402 "branch from superproject, but the superproject "
2403 "is not on any branch"), sub->name);
2404
2405 if (!skip_prefix(refname, "refs/heads/", &refname))
2406 return die_message(_("Expecting a full ref name, got %s"),
2407 refname);
2408
2409 *branch = refname;
2410 return 0;
2411 }
2412
2413 /* Our "branch" is coming from repo_config_get_string_tmp() */
2414 return 0;
2415 }
2416
2417 static int ensure_core_worktree(const char *path)
2418 {
2419 const char *cw;
2420 struct repository subrepo;
2421
2422 if (repo_submodule_init(&subrepo, the_repository, path, null_oid()))
2423 return die_message(_("could not get a repository handle for submodule '%s'"),
2424 path);
2425
2426 if (!repo_config_get_string_tmp(&subrepo, "core.worktree", &cw)) {
2427 char *cfg_file, *abs_path;
2428 const char *rel_path;
2429 struct strbuf sb = STRBUF_INIT;
2430
2431 cfg_file = repo_git_path(&subrepo, "config");
2432
2433 abs_path = absolute_pathdup(path);
2434 rel_path = relative_path(abs_path, subrepo.gitdir, &sb);
2435
2436 git_config_set_in_file(cfg_file, "core.worktree", rel_path);
2437
2438 free(cfg_file);
2439 free(abs_path);
2440 strbuf_release(&sb);
2441 }
2442
2443 repo_clear(&subrepo);
2444 return 0;
2445 }
2446
2447 static const char *submodule_update_type_to_label(enum submodule_update_type type)
2448 {
2449 switch (type) {
2450 case SM_UPDATE_CHECKOUT:
2451 return "checkout";
2452 case SM_UPDATE_MERGE:
2453 return "merge";
2454 case SM_UPDATE_REBASE:
2455 return "rebase";
2456 case SM_UPDATE_UNSPECIFIED:
2457 case SM_UPDATE_NONE:
2458 case SM_UPDATE_COMMAND:
2459 break;
2460 }
2461 BUG("unreachable with type %d", type);
2462 }
2463
2464 static void update_data_to_args(const struct update_data *update_data,
2465 struct strvec *args)
2466 {
2467 enum submodule_update_type update_type = update_data->update_default;
2468
2469 strvec_pushl(args, "submodule--helper", "update", "--recursive", NULL);
2470 if (update_data->displaypath) {
2471 strvec_push(args, "--super-prefix");
2472 strvec_pushf(args, "%s/", update_data->displaypath);
2473 }
2474 strvec_pushf(args, "--jobs=%d", update_data->max_jobs);
2475 if (update_data->quiet)
2476 strvec_push(args, "--quiet");
2477 if (update_data->force)
2478 strvec_push(args, "--force");
2479 if (update_data->init)
2480 strvec_push(args, "--init");
2481 if (update_data->remote)
2482 strvec_push(args, "--remote");
2483 if (update_data->nofetch)
2484 strvec_push(args, "--no-fetch");
2485 if (update_data->dissociate)
2486 strvec_push(args, "--dissociate");
2487 if (update_data->progress)
2488 strvec_push(args, "--progress");
2489 if (update_data->require_init)
2490 strvec_push(args, "--require-init");
2491 if (update_data->depth)
2492 strvec_pushf(args, "--depth=%d", update_data->depth);
2493 if (update_type != SM_UPDATE_UNSPECIFIED)
2494 strvec_pushf(args, "--%s",
2495 submodule_update_type_to_label(update_type));
2496
2497 if (update_data->references.nr) {
2498 struct string_list_item *item;
2499
2500 for_each_string_list_item(item, &update_data->references)
2501 strvec_pushl(args, "--reference", item->string, NULL);
2502 }
2503 if (update_data->filter_options && update_data->filter_options->choice)
2504 strvec_pushf(args, "--filter=%s",
2505 expand_list_objects_filter_spec(
2506 update_data->filter_options));
2507 if (update_data->recommend_shallow == 0)
2508 strvec_push(args, "--no-recommend-shallow");
2509 else if (update_data->recommend_shallow == 1)
2510 strvec_push(args, "--recommend-shallow");
2511 if (update_data->single_branch >= 0)
2512 strvec_push(args, update_data->single_branch ?
2513 "--single-branch" :
2514 "--no-single-branch");
2515 }
2516
2517 static int update_submodule(struct update_data *update_data)
2518 {
2519 int ret;
2520
2521 ret = determine_submodule_update_strategy(the_repository,
2522 update_data->just_cloned,
2523 update_data->sm_path,
2524 update_data->update_default,
2525 &update_data->update_strategy);
2526 if (ret)
2527 return ret;
2528
2529 if (update_data->just_cloned)
2530 oidcpy(&update_data->suboid, null_oid());
2531 else if (resolve_gitlink_ref(update_data->sm_path, "HEAD", &update_data->suboid))
2532 return die_message(_("Unable to find current revision in submodule path '%s'"),
2533 update_data->displaypath);
2534
2535 if (update_data->remote) {
2536 char *remote_name;
2537 const char *branch;
2538 char *remote_ref;
2539 int code;
2540
2541 code = get_default_remote_submodule(update_data->sm_path, &remote_name);
2542 if (code)
2543 return code;
2544 code = remote_submodule_branch(update_data->sm_path, &branch);
2545 if (code)
2546 return code;
2547 remote_ref = xstrfmt("refs/remotes/%s/%s", remote_name, branch);
2548
2549 free(remote_name);
2550
2551 if (!update_data->nofetch) {
2552 if (fetch_in_submodule(update_data->sm_path, update_data->depth,
2553 0, NULL))
2554 return die_message(_("Unable to fetch in submodule path '%s'"),
2555 update_data->sm_path);
2556 }
2557
2558 if (resolve_gitlink_ref(update_data->sm_path, remote_ref, &update_data->oid))
2559 return die_message(_("Unable to find %s revision in submodule path '%s'"),
2560 remote_ref, update_data->sm_path);
2561
2562 free(remote_ref);
2563 }
2564
2565 if (!oideq(&update_data->oid, &update_data->suboid) || update_data->force) {
2566 ret = run_update_procedure(update_data);
2567 if (ret)
2568 return ret;
2569 }
2570
2571 if (update_data->recursive) {
2572 struct child_process cp = CHILD_PROCESS_INIT;
2573 struct update_data next = *update_data;
2574
2575 next.prefix = NULL;
2576 oidcpy(&next.oid, null_oid());
2577 oidcpy(&next.suboid, null_oid());
2578
2579 cp.dir = update_data->sm_path;
2580 cp.git_cmd = 1;
2581 prepare_submodule_repo_env(&cp.env);
2582 update_data_to_args(&next, &cp.args);
2583
2584 ret = run_command(&cp);
2585 if (ret)
2586 die_message(_("Failed to recurse into submodule path '%s'"),
2587 update_data->displaypath);
2588 return ret;
2589 }
2590
2591 return 0;
2592 }
2593
2594 static int update_submodules(struct update_data *update_data)
2595 {
2596 int i, ret = 0;
2597 struct submodule_update_clone suc = SUBMODULE_UPDATE_CLONE_INIT;
2598 const struct run_process_parallel_opts opts = {
2599 .tr2_category = "submodule",
2600 .tr2_label = "parallel/update",
2601
2602 .processes = update_data->max_jobs,
2603
2604 .get_next_task = update_clone_get_next_task,
2605 .start_failure = update_clone_start_failure,
2606 .task_finished = update_clone_task_finished,
2607 .data = &suc,
2608 };
2609
2610 suc.update_data = update_data;
2611 run_processes_parallel(&opts);
2612
2613 /*
2614 * We saved the output and put it out all at once now.
2615 * That means:
2616 * - the listener does not have to interleave their (checkout)
2617 * work with our fetching. The writes involved in a
2618 * checkout involve more straightforward sequential I/O.
2619 * - the listener can avoid doing any work if fetching failed.
2620 */
2621 if (suc.quickstop) {
2622 ret = 1;
2623 goto cleanup;
2624 }
2625
2626 for (i = 0; i < suc.update_clone_nr; i++) {
2627 struct update_clone_data ucd = suc.update_clone[i];
2628 int code;
2629
2630 oidcpy(&update_data->oid, &ucd.oid);
2631 update_data->just_cloned = ucd.just_cloned;
2632 update_data->sm_path = ucd.sub->path;
2633
2634 code = ensure_core_worktree(update_data->sm_path);
2635 if (code)
2636 goto fail;
2637
2638 update_data->displaypath = get_submodule_displaypath(
2639 update_data->sm_path, update_data->prefix,
2640 update_data->super_prefix);
2641 code = update_submodule(update_data);
2642 FREE_AND_NULL(update_data->displaypath);
2643 fail:
2644 if (!code)
2645 continue;
2646 ret = code;
2647 if (ret == 128)
2648 goto cleanup;
2649 }
2650
2651 cleanup:
2652 submodule_update_clone_release(&suc);
2653 string_list_clear(&update_data->references, 0);
2654 return ret;
2655 }
2656
2657 static int module_update(int argc, const char **argv, const char *prefix)
2658 {
2659 struct pathspec pathspec = { 0 };
2660 struct pathspec pathspec2 = { 0 };
2661 struct update_data opt = UPDATE_DATA_INIT;
2662 struct list_objects_filter_options filter_options =
2663 LIST_OBJECTS_FILTER_INIT;
2664 int ret;
2665 struct option module_update_options[] = {
2666 OPT__SUPER_PREFIX(&opt.super_prefix),
2667 OPT__FORCE(&opt.force, N_("force checkout updates"), 0),
2668 OPT_BOOL(0, "init", &opt.init,
2669 N_("initialize uninitialized submodules before update")),
2670 OPT_BOOL(0, "remote", &opt.remote,
2671 N_("use SHA-1 of submodule's remote tracking branch")),
2672 OPT_BOOL(0, "recursive", &opt.recursive,
2673 N_("traverse submodules recursively")),
2674 OPT_BOOL('N', "no-fetch", &opt.nofetch,
2675 N_("don't fetch new objects from the remote site")),
2676 OPT_SET_INT(0, "checkout", &opt.update_default,
2677 N_("use the 'checkout' update strategy (default)"),
2678 SM_UPDATE_CHECKOUT),
2679 OPT_SET_INT('m', "merge", &opt.update_default,
2680 N_("use the 'merge' update strategy"),
2681 SM_UPDATE_MERGE),
2682 OPT_SET_INT('r', "rebase", &opt.update_default,
2683 N_("use the 'rebase' update strategy"),
2684 SM_UPDATE_REBASE),
2685 OPT_STRING_LIST(0, "reference", &opt.references, N_("repo"),
2686 N_("reference repository")),
2687 OPT_BOOL(0, "dissociate", &opt.dissociate,
2688 N_("use --reference only while cloning")),
2689 OPT_INTEGER(0, "depth", &opt.depth,
2690 N_("create a shallow clone truncated to the "
2691 "specified number of revisions")),
2692 OPT_INTEGER('j', "jobs", &opt.max_jobs,
2693 N_("parallel jobs")),
2694 OPT_BOOL(0, "recommend-shallow", &opt.recommend_shallow,
2695 N_("whether the initial clone should follow the shallow recommendation")),
2696 OPT__QUIET(&opt.quiet, N_("don't print cloning progress")),
2697 OPT_BOOL(0, "progress", &opt.progress,
2698 N_("force cloning progress")),
2699 OPT_BOOL(0, "require-init", &opt.require_init,
2700 N_("disallow cloning into non-empty directory, implies --init")),
2701 OPT_BOOL(0, "single-branch", &opt.single_branch,
2702 N_("clone only one branch, HEAD or --branch")),
2703 OPT_PARSE_LIST_OBJECTS_FILTER(&filter_options),
2704 OPT_END()
2705 };
2706 const char *const git_submodule_helper_usage[] = {
2707 N_("git submodule [--quiet] update"
2708 " [--init [--filter=<filter-spec>]] [--remote]"
2709 " [-N|--no-fetch] [-f|--force]"
2710 " [--checkout|--merge|--rebase]"
2711 " [--[no-]recommend-shallow] [--reference <repository>]"
2712 " [--recursive] [--[no-]single-branch] [--] [<path>...]"),
2713 NULL
2714 };
2715
2716 update_clone_config_from_gitmodules(&opt.max_jobs);
2717 git_config(git_update_clone_config, &opt.max_jobs);
2718
2719 argc = parse_options(argc, argv, prefix, module_update_options,
2720 git_submodule_helper_usage, 0);
2721
2722 if (opt.require_init)
2723 opt.init = 1;
2724
2725 if (filter_options.choice && !opt.init) {
2726 usage_with_options(git_submodule_helper_usage,
2727 module_update_options);
2728 }
2729
2730 opt.filter_options = &filter_options;
2731 opt.prefix = prefix;
2732
2733 if (opt.update_default)
2734 opt.update_strategy.type = opt.update_default;
2735
2736 if (module_list_compute(argv, prefix, &pathspec, &opt.list) < 0) {
2737 ret = 1;
2738 goto cleanup;
2739 }
2740
2741 if (pathspec.nr)
2742 opt.warn_if_uninitialized = 1;
2743
2744 if (opt.init) {
2745 struct module_list list = MODULE_LIST_INIT;
2746 struct init_cb info = INIT_CB_INIT;
2747
2748 if (module_list_compute(argv, opt.prefix,
2749 &pathspec2, &list) < 0) {
2750 module_list_release(&list);
2751 ret = 1;
2752 goto cleanup;
2753 }
2754
2755 /*
2756 * If there are no path args and submodule.active is set then,
2757 * by default, only initialize 'active' modules.
2758 */
2759 if (!argc && !git_config_get("submodule.active"))
2760 module_list_active(&list);
2761
2762 info.prefix = opt.prefix;
2763 info.super_prefix = opt.super_prefix;
2764 if (opt.quiet)
2765 info.flags |= OPT_QUIET;
2766
2767 for_each_listed_submodule(&list, init_submodule_cb, &info);
2768 module_list_release(&list);
2769 }
2770
2771 ret = update_submodules(&opt);
2772 cleanup:
2773 update_data_release(&opt);
2774 list_objects_filter_release(&filter_options);
2775 clear_pathspec(&pathspec);
2776 clear_pathspec(&pathspec2);
2777 return ret;
2778 }
2779
2780 static int push_check(int argc, const char **argv, const char *prefix UNUSED)
2781 {
2782 struct remote *remote;
2783 const char *superproject_head;
2784 char *head;
2785 int detached_head = 0;
2786 struct object_id head_oid;
2787
2788 if (argc < 3)
2789 die("submodule--helper push-check requires at least 2 arguments");
2790
2791 /*
2792 * superproject's resolved head ref.
2793 * if HEAD then the superproject is in a detached head state, otherwise
2794 * it will be the resolved head ref.
2795 */
2796 superproject_head = argv[1];
2797 argv++;
2798 argc--;
2799 /* Get the submodule's head ref and determine if it is detached */
2800 head = resolve_refdup("HEAD", 0, &head_oid, NULL);
2801 if (!head)
2802 die(_("Failed to resolve HEAD as a valid ref."));
2803 if (!strcmp(head, "HEAD"))
2804 detached_head = 1;
2805
2806 /*
2807 * The remote must be configured.
2808 * This is to avoid pushing to the exact same URL as the parent.
2809 */
2810 remote = pushremote_get(argv[1]);
2811 if (!remote || remote->origin == REMOTE_UNCONFIGURED)
2812 die("remote '%s' not configured", argv[1]);
2813
2814 /* Check the refspec */
2815 if (argc > 2) {
2816 int i;
2817 struct ref *local_refs = get_local_heads();
2818 struct refspec refspec = REFSPEC_INIT_PUSH;
2819
2820 refspec_appendn(&refspec, argv + 2, argc - 2);
2821
2822 for (i = 0; i < refspec.nr; i++) {
2823 const struct refspec_item *rs = &refspec.items[i];
2824
2825 if (rs->pattern || rs->matching)
2826 continue;
2827
2828 /* LHS must match a single ref */
2829 switch (count_refspec_match(rs->src, local_refs, NULL)) {
2830 case 1:
2831 break;
2832 case 0:
2833 /*
2834 * If LHS matches 'HEAD' then we need to ensure
2835 * that it matches the same named branch
2836 * checked out in the superproject.
2837 */
2838 if (!strcmp(rs->src, "HEAD")) {
2839 if (!detached_head &&
2840 !strcmp(head, superproject_head))
2841 break;
2842 die("HEAD does not match the named branch in the superproject");
2843 }
2844 /* fallthrough */
2845 default:
2846 die("src refspec '%s' must name a ref",
2847 rs->src);
2848 }
2849 }
2850 refspec_clear(&refspec);
2851 }
2852 free(head);
2853
2854 return 0;
2855 }
2856
2857 static int absorb_git_dirs(int argc, const char **argv, const char *prefix)
2858 {
2859 int i;
2860 struct pathspec pathspec = { 0 };
2861 struct module_list list = MODULE_LIST_INIT;
2862 const char *super_prefix = NULL;
2863 struct option embed_gitdir_options[] = {
2864 OPT__SUPER_PREFIX(&super_prefix),
2865 OPT_END()
2866 };
2867 const char *const git_submodule_helper_usage[] = {
2868 N_("git submodule absorbgitdirs [<options>] [<path>...]"),
2869 NULL
2870 };
2871 int ret = 1;
2872
2873 argc = parse_options(argc, argv, prefix, embed_gitdir_options,
2874 git_submodule_helper_usage, 0);
2875
2876 if (module_list_compute(argv, prefix, &pathspec, &list) < 0)
2877 goto cleanup;
2878
2879 for (i = 0; i < list.nr; i++)
2880 absorb_git_dir_into_superproject(list.entries[i]->name,
2881 super_prefix);
2882
2883 ret = 0;
2884 cleanup:
2885 clear_pathspec(&pathspec);
2886 module_list_release(&list);
2887 return ret;
2888 }
2889
2890 static int module_set_url(int argc, const char **argv, const char *prefix)
2891 {
2892 int quiet = 0;
2893 const char *newurl;
2894 const char *path;
2895 char *config_name;
2896 struct option options[] = {
2897 OPT__QUIET(&quiet, N_("suppress output for setting url of a submodule")),
2898 OPT_END()
2899 };
2900 const char *const usage[] = {
2901 N_("git submodule set-url [--quiet] <path> <newurl>"),
2902 NULL
2903 };
2904
2905 argc = parse_options(argc, argv, prefix, options, usage, 0);
2906
2907 if (argc != 2 || !(path = argv[0]) || !(newurl = argv[1]))
2908 usage_with_options(usage, options);
2909
2910 config_name = xstrfmt("submodule.%s.url", path);
2911
2912 config_set_in_gitmodules_file_gently(config_name, newurl);
2913 sync_submodule(path, prefix, NULL, quiet ? OPT_QUIET : 0);
2914
2915 free(config_name);
2916
2917 return 0;
2918 }
2919
2920 static int module_set_branch(int argc, const char **argv, const char *prefix)
2921 {
2922 int opt_default = 0, ret;
2923 const char *opt_branch = NULL;
2924 const char *path;
2925 char *config_name;
2926 struct option options[] = {
2927 /*
2928 * We accept the `quiet` option for uniformity across subcommands,
2929 * though there is nothing to make less verbose in this subcommand.
2930 */
2931 OPT_NOOP_NOARG('q', "quiet"),
2932
2933 OPT_BOOL('d', "default", &opt_default,
2934 N_("set the default tracking branch to master")),
2935 OPT_STRING('b', "branch", &opt_branch, N_("branch"),
2936 N_("set the default tracking branch")),
2937 OPT_END()
2938 };
2939 const char *const usage[] = {
2940 N_("git submodule set-branch [-q|--quiet] (-d|--default) <path>"),
2941 N_("git submodule set-branch [-q|--quiet] (-b|--branch) <branch> <path>"),
2942 NULL
2943 };
2944
2945 argc = parse_options(argc, argv, prefix, options, usage, 0);
2946
2947 if (!opt_branch && !opt_default)
2948 die(_("--branch or --default required"));
2949
2950 if (opt_branch && opt_default)
2951 die(_("options '%s' and '%s' cannot be used together"), "--branch", "--default");
2952
2953 if (argc != 1 || !(path = argv[0]))
2954 usage_with_options(usage, options);
2955
2956 config_name = xstrfmt("submodule.%s.branch", path);
2957 ret = config_set_in_gitmodules_file_gently(config_name, opt_branch);
2958
2959 free(config_name);
2960 return !!ret;
2961 }
2962
2963 static int module_create_branch(int argc, const char **argv, const char *prefix)
2964 {
2965 enum branch_track track;
2966 int quiet = 0, force = 0, reflog = 0, dry_run = 0;
2967 struct option options[] = {
2968 OPT__QUIET(&quiet, N_("print only error messages")),
2969 OPT__FORCE(&force, N_("force creation"), 0),
2970 OPT_BOOL(0, "create-reflog", &reflog,
2971 N_("create the branch's reflog")),
2972 OPT_CALLBACK_F('t', "track", &track, "(direct|inherit)",
2973 N_("set branch tracking configuration"),
2974 PARSE_OPT_OPTARG,
2975 parse_opt_tracking_mode),
2976 OPT__DRY_RUN(&dry_run,
2977 N_("show whether the branch would be created")),
2978 OPT_END()
2979 };
2980 const char *const usage[] = {
2981 N_("git submodule--helper create-branch [-f|--force] [--create-reflog] [-q|--quiet] [-t|--track] [-n|--dry-run] <name> <start-oid> <start-name>"),
2982 NULL
2983 };
2984
2985 git_config(git_default_config, NULL);
2986 track = git_branch_track;
2987 argc = parse_options(argc, argv, prefix, options, usage, 0);
2988
2989 if (argc != 3)
2990 usage_with_options(usage, options);
2991
2992 if (!quiet && !dry_run)
2993 printf_ln(_("creating branch '%s'"), argv[0]);
2994
2995 create_branches_recursively(the_repository, argv[0], argv[1], argv[2],
2996 force, reflog, quiet, track, dry_run);
2997 return 0;
2998 }
2999
3000 struct add_data {
3001 const char *prefix;
3002 const char *branch;
3003 const char *reference_path;
3004 char *sm_path;
3005 const char *sm_name;
3006 const char *repo;
3007 const char *realrepo;
3008 int depth;
3009 unsigned int force: 1;
3010 unsigned int quiet: 1;
3011 unsigned int progress: 1;
3012 unsigned int dissociate: 1;
3013 };
3014 #define ADD_DATA_INIT { .depth = -1 }
3015
3016 static void append_fetch_remotes(struct strbuf *msg, const char *git_dir_path)
3017 {
3018 struct child_process cp_remote = CHILD_PROCESS_INIT;
3019 struct strbuf sb_remote_out = STRBUF_INIT;
3020
3021 cp_remote.git_cmd = 1;
3022 strvec_pushf(&cp_remote.env,
3023 "GIT_DIR=%s", git_dir_path);
3024 strvec_push(&cp_remote.env, "GIT_WORK_TREE=.");
3025 strvec_pushl(&cp_remote.args, "remote", "-v", NULL);
3026 if (!capture_command(&cp_remote, &sb_remote_out, 0)) {
3027 char *next_line;
3028 char *line = sb_remote_out.buf;
3029
3030 while ((next_line = strchr(line, '\n')) != NULL) {
3031 size_t len = next_line - line;
3032
3033 if (strip_suffix_mem(line, &len, " (fetch)"))
3034 strbuf_addf(msg, " %.*s\n", (int)len, line);
3035 line = next_line + 1;
3036 }
3037 }
3038
3039 strbuf_release(&sb_remote_out);
3040 }
3041
3042 static int add_submodule(const struct add_data *add_data)
3043 {
3044 char *submod_gitdir_path;
3045 struct module_clone_data clone_data = MODULE_CLONE_DATA_INIT;
3046 struct string_list reference = STRING_LIST_INIT_NODUP;
3047 int ret = -1;
3048
3049 /* perhaps the path already exists and is already a git repo, else clone it */
3050 if (is_directory(add_data->sm_path)) {
3051 struct strbuf sm_path = STRBUF_INIT;
3052 strbuf_addstr(&sm_path, add_data->sm_path);
3053 submod_gitdir_path = xstrfmt("%s/.git", add_data->sm_path);
3054 if (is_nonbare_repository_dir(&sm_path))
3055 printf(_("Adding existing repo at '%s' to the index\n"),
3056 add_data->sm_path);
3057 else
3058 die(_("'%s' already exists and is not a valid git repo"),
3059 add_data->sm_path);
3060 strbuf_release(&sm_path);
3061 free(submod_gitdir_path);
3062 } else {
3063 struct child_process cp = CHILD_PROCESS_INIT;
3064
3065 submod_gitdir_path = xstrfmt(".git/modules/%s", add_data->sm_name);
3066
3067 if (is_directory(submod_gitdir_path)) {
3068 if (!add_data->force) {
3069 struct strbuf msg = STRBUF_INIT;
3070 char *die_msg;
3071
3072 strbuf_addf(&msg, _("A git directory for '%s' is found "
3073 "locally with remote(s):\n"),
3074 add_data->sm_name);
3075
3076 append_fetch_remotes(&msg, submod_gitdir_path);
3077 free(submod_gitdir_path);
3078
3079 strbuf_addf(&msg, _("If you want to reuse this local git "
3080 "directory instead of cloning again from\n"
3081 " %s\n"
3082 "use the '--force' option. If the local git "
3083 "directory is not the correct repo\n"
3084 "or you are unsure what this means choose "
3085 "another name with the '--name' option."),
3086 add_data->realrepo);
3087
3088 die_msg = strbuf_detach(&msg, NULL);
3089 die("%s", die_msg);
3090 } else {
3091 printf(_("Reactivating local git directory for "
3092 "submodule '%s'\n"), add_data->sm_name);
3093 }
3094 }
3095 free(submod_gitdir_path);
3096
3097 clone_data.prefix = add_data->prefix;
3098 clone_data.path = add_data->sm_path;
3099 clone_data.name = add_data->sm_name;
3100 clone_data.url = add_data->realrepo;
3101 clone_data.quiet = add_data->quiet;
3102 clone_data.progress = add_data->progress;
3103 if (add_data->reference_path) {
3104 char *p = xstrdup(add_data->reference_path);
3105
3106 string_list_append(&reference, p)->util = p;
3107 }
3108 clone_data.dissociate = add_data->dissociate;
3109 if (add_data->depth >= 0)
3110 clone_data.depth = xstrfmt("%d", add_data->depth);
3111
3112 if (clone_submodule(&clone_data, &reference))
3113 goto cleanup;
3114
3115 prepare_submodule_repo_env(&cp.env);
3116 cp.git_cmd = 1;
3117 cp.dir = add_data->sm_path;
3118 /*
3119 * NOTE: we only get here if add_data->force is true, so
3120 * passing --force to checkout is reasonable.
3121 */
3122 strvec_pushl(&cp.args, "checkout", "-f", "-q", NULL);
3123
3124 if (add_data->branch) {
3125 strvec_pushl(&cp.args, "-B", add_data->branch, NULL);
3126 strvec_pushf(&cp.args, "origin/%s", add_data->branch);
3127 }
3128
3129 if (run_command(&cp))
3130 die(_("unable to checkout submodule '%s'"), add_data->sm_path);
3131 }
3132 ret = 0;
3133 cleanup:
3134 string_list_clear(&reference, 1);
3135 return ret;
3136 }
3137
3138 static int config_submodule_in_gitmodules(const char *name, const char *var, const char *value)
3139 {
3140 char *key;
3141 int ret;
3142
3143 if (!is_writing_gitmodules_ok())
3144 die(_("please make sure that the .gitmodules file is in the working tree"));
3145
3146 key = xstrfmt("submodule.%s.%s", name, var);
3147 ret = config_set_in_gitmodules_file_gently(key, value);
3148 free(key);
3149
3150 return ret;
3151 }
3152
3153 static void configure_added_submodule(struct add_data *add_data)
3154 {
3155 char *key;
3156 struct child_process add_submod = CHILD_PROCESS_INIT;
3157 struct child_process add_gitmodules = CHILD_PROCESS_INIT;
3158
3159 key = xstrfmt("submodule.%s.url", add_data->sm_name);
3160 git_config_set_gently(key, add_data->realrepo);
3161 free(key);
3162
3163 add_submod.git_cmd = 1;
3164 strvec_pushl(&add_submod.args, "add",
3165 "--no-warn-embedded-repo", NULL);
3166 if (add_data->force)
3167 strvec_push(&add_submod.args, "--force");
3168 strvec_pushl(&add_submod.args, "--", add_data->sm_path, NULL);
3169
3170 if (run_command(&add_submod))
3171 die(_("Failed to add submodule '%s'"), add_data->sm_path);
3172
3173 if (config_submodule_in_gitmodules(add_data->sm_name, "path", add_data->sm_path) ||
3174 config_submodule_in_gitmodules(add_data->sm_name, "url", add_data->repo))
3175 die(_("Failed to register submodule '%s'"), add_data->sm_path);
3176
3177 if (add_data->branch) {
3178 if (config_submodule_in_gitmodules(add_data->sm_name,
3179 "branch", add_data->branch))
3180 die(_("Failed to register submodule '%s'"), add_data->sm_path);
3181 }
3182
3183 add_gitmodules.git_cmd = 1;
3184 strvec_pushl(&add_gitmodules.args,
3185 "add", "--force", "--", ".gitmodules", NULL);
3186
3187 if (run_command(&add_gitmodules))
3188 die(_("Failed to register submodule '%s'"), add_data->sm_path);
3189
3190 /*
3191 * NEEDSWORK: In a multi-working-tree world this needs to be
3192 * set in the per-worktree config.
3193 */
3194 /*
3195 * NEEDSWORK: In the longer run, we need to get rid of this
3196 * pattern of querying "submodule.active" before calling
3197 * is_submodule_active(), since that function needs to find
3198 * out the value of "submodule.active" again anyway.
3199 */
3200 if (!git_config_get("submodule.active")) {
3201 /*
3202 * If the submodule being added isn't already covered by the
3203 * current configured pathspec, set the submodule's active flag
3204 */
3205 if (!is_submodule_active(the_repository, add_data->sm_path)) {
3206 key = xstrfmt("submodule.%s.active", add_data->sm_name);
3207 git_config_set_gently(key, "true");
3208 free(key);
3209 }
3210 } else {
3211 key = xstrfmt("submodule.%s.active", add_data->sm_name);
3212 git_config_set_gently(key, "true");
3213 free(key);
3214 }
3215 }
3216
3217 static void die_on_index_match(const char *path, int force)
3218 {
3219 struct pathspec ps;
3220 const char *args[] = { path, NULL };
3221 parse_pathspec(&ps, 0, PATHSPEC_PREFER_CWD, NULL, args);
3222
3223 if (repo_read_index_preload(the_repository, NULL, 0) < 0)
3224 die(_("index file corrupt"));
3225
3226 if (ps.nr) {
3227 int i;
3228 char *ps_matched = xcalloc(ps.nr, 1);
3229
3230 /* TODO: audit for interaction with sparse-index. */
3231 ensure_full_index(&the_index);
3232
3233 /*
3234 * Since there is only one pathspec, we just need to
3235 * check ps_matched[0] to know if a cache entry matched.
3236 */
3237 for (i = 0; i < the_index.cache_nr; i++) {
3238 ce_path_match(&the_index, the_index.cache[i], &ps,
3239 ps_matched);
3240
3241 if (ps_matched[0]) {
3242 if (!force)
3243 die(_("'%s' already exists in the index"),
3244 path);
3245 if (!S_ISGITLINK(the_index.cache[i]->ce_mode))
3246 die(_("'%s' already exists in the index "
3247 "and is not a submodule"), path);
3248 break;
3249 }
3250 }
3251 free(ps_matched);
3252 }
3253 clear_pathspec(&ps);
3254 }
3255
3256 static void die_on_repo_without_commits(const char *path)
3257 {
3258 struct strbuf sb = STRBUF_INIT;
3259 strbuf_addstr(&sb, path);
3260 if (is_nonbare_repository_dir(&sb)) {
3261 struct object_id oid;
3262 if (resolve_gitlink_ref(path, "HEAD", &oid) < 0)
3263 die(_("'%s' does not have a commit checked out"), path);
3264 }
3265 strbuf_release(&sb);
3266 }
3267
3268 static int module_add(int argc, const char **argv, const char *prefix)
3269 {
3270 int force = 0, quiet = 0, progress = 0, dissociate = 0;
3271 struct add_data add_data = ADD_DATA_INIT;
3272 char *to_free = NULL;
3273 struct option options[] = {
3274 OPT_STRING('b', "branch", &add_data.branch, N_("branch"),
3275 N_("branch of repository to add as submodule")),
3276 OPT__FORCE(&force, N_("allow adding an otherwise ignored submodule path"),
3277 PARSE_OPT_NOCOMPLETE),
3278 OPT__QUIET(&quiet, N_("print only error messages")),
3279 OPT_BOOL(0, "progress", &progress, N_("force cloning progress")),
3280 OPT_STRING(0, "reference", &add_data.reference_path, N_("repository"),
3281 N_("reference repository")),
3282 OPT_BOOL(0, "dissociate", &dissociate, N_("borrow the objects from reference repositories")),
3283 OPT_STRING(0, "name", &add_data.sm_name, N_("name"),
3284 N_("sets the submodule's name to the given string "
3285 "instead of defaulting to its path")),
3286 OPT_INTEGER(0, "depth", &add_data.depth, N_("depth for shallow clones")),
3287 OPT_END()
3288 };
3289 const char *const usage[] = {
3290 N_("git submodule add [<options>] [--] <repository> [<path>]"),
3291 NULL
3292 };
3293 struct strbuf sb = STRBUF_INIT;
3294 int ret = 1;
3295
3296 argc = parse_options(argc, argv, prefix, options, usage, 0);
3297
3298 if (!is_writing_gitmodules_ok())
3299 die(_("please make sure that the .gitmodules file is in the working tree"));
3300
3301 if (prefix && *prefix &&
3302 add_data.reference_path && !is_absolute_path(add_data.reference_path))
3303 add_data.reference_path = xstrfmt("%s%s", prefix, add_data.reference_path);
3304
3305 if (argc == 0 || argc > 2)
3306 usage_with_options(usage, options);
3307
3308 add_data.repo = argv[0];
3309 if (argc == 1)
3310 add_data.sm_path = git_url_basename(add_data.repo, 0, 0);
3311 else
3312 add_data.sm_path = xstrdup(argv[1]);
3313
3314 if (prefix && *prefix && !is_absolute_path(add_data.sm_path)) {
3315 char *sm_path = add_data.sm_path;
3316
3317 add_data.sm_path = xstrfmt("%s%s", prefix, sm_path);
3318 free(sm_path);
3319 }
3320
3321 if (starts_with_dot_dot_slash(add_data.repo) ||
3322 starts_with_dot_slash(add_data.repo)) {
3323 if (prefix)
3324 die(_("Relative path can only be used from the toplevel "
3325 "of the working tree"));
3326
3327 /* dereference source url relative to parent's url */
3328 to_free = resolve_relative_url(add_data.repo, NULL, 1);
3329 add_data.realrepo = to_free;
3330 } else if (is_dir_sep(add_data.repo[0]) || strchr(add_data.repo, ':')) {
3331 add_data.realrepo = add_data.repo;
3332 } else {
3333 die(_("repo URL: '%s' must be absolute or begin with ./|../"),
3334 add_data.repo);
3335 }
3336
3337 /*
3338 * normalize path:
3339 * multiple //; leading ./; /./; /../;
3340 */
3341 normalize_path_copy(add_data.sm_path, add_data.sm_path);
3342 strip_dir_trailing_slashes(add_data.sm_path);
3343
3344 die_on_index_match(add_data.sm_path, force);
3345 die_on_repo_without_commits(add_data.sm_path);
3346
3347 if (!force) {
3348 struct child_process cp = CHILD_PROCESS_INIT;
3349
3350 cp.git_cmd = 1;
3351 cp.no_stdout = 1;
3352 strvec_pushl(&cp.args, "add", "--dry-run", "--ignore-missing",
3353 "--no-warn-embedded-repo", add_data.sm_path, NULL);
3354 if ((ret = pipe_command(&cp, NULL, 0, NULL, 0, &sb, 0))) {
3355 strbuf_complete_line(&sb);
3356 fputs(sb.buf, stderr);
3357 goto cleanup;
3358 }
3359 }
3360
3361 if(!add_data.sm_name)
3362 add_data.sm_name = add_data.sm_path;
3363
3364 if (check_submodule_name(add_data.sm_name))
3365 die(_("'%s' is not a valid submodule name"), add_data.sm_name);
3366
3367 add_data.prefix = prefix;
3368 add_data.force = !!force;
3369 add_data.quiet = !!quiet;
3370 add_data.progress = !!progress;
3371 add_data.dissociate = !!dissociate;
3372
3373 if (add_submodule(&add_data))
3374 goto cleanup;
3375 configure_added_submodule(&add_data);
3376
3377 ret = 0;
3378 cleanup:
3379 free(add_data.sm_path);
3380 free(to_free);
3381 strbuf_release(&sb);
3382
3383 return ret;
3384 }
3385
3386 int cmd_submodule__helper(int argc, const char **argv, const char *prefix)
3387 {
3388 parse_opt_subcommand_fn *fn = NULL;
3389 const char *const usage[] = {
3390 N_("git submodule--helper <command>"),
3391 NULL
3392 };
3393 struct option options[] = {
3394 OPT_SUBCOMMAND("clone", &fn, module_clone),
3395 OPT_SUBCOMMAND("add", &fn, module_add),
3396 OPT_SUBCOMMAND("update", &fn, module_update),
3397 OPT_SUBCOMMAND("foreach", &fn, module_foreach),
3398 OPT_SUBCOMMAND("init", &fn, module_init),
3399 OPT_SUBCOMMAND("status", &fn, module_status),
3400 OPT_SUBCOMMAND("sync", &fn, module_sync),
3401 OPT_SUBCOMMAND("deinit", &fn, module_deinit),
3402 OPT_SUBCOMMAND("summary", &fn, module_summary),
3403 OPT_SUBCOMMAND("push-check", &fn, push_check),
3404 OPT_SUBCOMMAND("absorbgitdirs", &fn, absorb_git_dirs),
3405 OPT_SUBCOMMAND("set-url", &fn, module_set_url),
3406 OPT_SUBCOMMAND("set-branch", &fn, module_set_branch),
3407 OPT_SUBCOMMAND("create-branch", &fn, module_create_branch),
3408 OPT_END()
3409 };
3410 argc = parse_options(argc, argv, prefix, options, usage, 0);
3411
3412 return fn(argc, argv, prefix);
3413 }
Unnamed repository; edit this file 'description' to name the repository.