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object: add object_array initializer helper function
[git/gitster.git] / builtin / submodule--helper.c
blob6bf8d666ce91203024b69192ab427df40912904c
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 "cache.h"
10 #include "config.h"
11 #include "parse-options.h"
12 #include "quote.h"
13 #include "pathspec.h"
14 #include "dir.h"
15 #include "setup.h"
16 #include "submodule.h"
17 #include "submodule-config.h"
18 #include "string-list.h"
19 #include "run-command.h"
20 #include "remote.h"
21 #include "refs.h"
22 #include "refspec.h"
23 #include "connect.h"
24 #include "revision.h"
25 #include "diffcore.h"
26 #include "diff.h"
27 #include "object-file.h"
28 #include "object-name.h"
29 #include "object-store.h"
30 #include "advice.h"
31 #include "branch.h"
32 #include "list-objects-filter-options.h"
33
34 #define OPT_QUIET (1 << 0)
35 #define OPT_CACHED (1 << 1)
36 #define OPT_RECURSIVE (1 << 2)
37 #define OPT_FORCE (1 << 3)
38
39 typedef void (*each_submodule_fn)(const struct cache_entry *list_item,
40 void *cb_data);
41
42 static int repo_get_default_remote(struct repository *repo, char **default_remote)
43 {
44 char *dest = NULL;
45 struct strbuf sb = STRBUF_INIT;
46 struct ref_store *store = get_main_ref_store(repo);
47 const char *refname = refs_resolve_ref_unsafe(store, "HEAD", 0, NULL,
48 NULL);
49
50 if (!refname)
51 return die_message(_("No such ref: %s"), "HEAD");
52
53 /* detached HEAD */
54 if (!strcmp(refname, "HEAD")) {
55 *default_remote = xstrdup("origin");
56 return 0;
57 }
58
59 if (!skip_prefix(refname, "refs/heads/", &refname))
60 return die_message(_("Expecting a full ref name, got %s"),
61 refname);
62
63 strbuf_addf(&sb, "branch.%s.remote", refname);
64 if (repo_config_get_string(repo, sb.buf, &dest))
65 *default_remote = xstrdup("origin");
66 else
67 *default_remote = dest;
68
69 strbuf_release(&sb);
70 return 0;
71 }
72
73 static int get_default_remote_submodule(const char *module_path, char **default_remote)
74 {
75 struct repository subrepo;
76 int ret;
77
78 if (repo_submodule_init(&subrepo, the_repository, module_path,
79 null_oid()) < 0)
80 return die_message(_("could not get a repository handle for submodule '%s'"),
81 module_path);
82 ret = repo_get_default_remote(&subrepo, default_remote);
83 repo_clear(&subrepo);
84
85 return ret;
86 }
87
88 static char *get_default_remote(void)
89 {
90 char *default_remote;
91 int code = repo_get_default_remote(the_repository, &default_remote);
92
93 if (code)
94 exit(code);
95
96 return default_remote;
97 }
98
99 static char *resolve_relative_url(const char *rel_url, const char *up_path, int quiet)
100 {
101 char *remoteurl, *resolved_url;
102 char *remote = get_default_remote();
103 struct strbuf remotesb = STRBUF_INIT;
104
105 strbuf_addf(&remotesb, "remote.%s.url", remote);
106 if (git_config_get_string(remotesb.buf, &remoteurl)) {
107 if (!quiet)
108 warning(_("could not look up configuration '%s'. "
109 "Assuming this repository is its own "
110 "authoritative upstream."),
111 remotesb.buf);
112 remoteurl = xgetcwd();
113 }
114 resolved_url = relative_url(remoteurl, rel_url, up_path);
115
116 free(remote);
117 free(remoteurl);
118 strbuf_release(&remotesb);
119
120 return resolved_url;
121 }
122
123 /* the result should be freed by the caller. */
124 static char *get_submodule_displaypath(const char *path, const char *prefix,
125 const char *super_prefix)
126 {
127 if (prefix && super_prefix) {
128 BUG("cannot have prefix '%s' and superprefix '%s'",
129 prefix, super_prefix);
130 } else if (prefix) {
131 struct strbuf sb = STRBUF_INIT;
132 char *displaypath = xstrdup(relative_path(path, prefix, &sb));
133 strbuf_release(&sb);
134 return displaypath;
135 } else if (super_prefix) {
136 return xstrfmt("%s%s", super_prefix, path);
137 } else {
138 return xstrdup(path);
139 }
140 }
141
142 static char *compute_rev_name(const char *sub_path, const char* object_id)
143 {
144 struct strbuf sb = STRBUF_INIT;
145 const char ***d;
146
147 static const char *describe_bare[] = { NULL };
148
149 static const char *describe_tags[] = { "--tags", NULL };
150
151 static const char *describe_contains[] = { "--contains", NULL };
152
153 static const char *describe_all_always[] = { "--all", "--always", NULL };
154
155 static const char **describe_argv[] = { describe_bare, describe_tags,
156 describe_contains,
157 describe_all_always, NULL };
158
159 for (d = describe_argv; *d; d++) {
160 struct child_process cp = CHILD_PROCESS_INIT;
161 prepare_submodule_repo_env(&cp.env);
162 cp.dir = sub_path;
163 cp.git_cmd = 1;
164 cp.no_stderr = 1;
165
166 strvec_push(&cp.args, "describe");
167 strvec_pushv(&cp.args, *d);
168 strvec_push(&cp.args, object_id);
169
170 if (!capture_command(&cp, &sb, 0)) {
171 strbuf_strip_suffix(&sb, "\n");
172 return strbuf_detach(&sb, NULL);
173 }
174 }
175
176 strbuf_release(&sb);
177 return NULL;
178 }
179
180 struct module_list {
181 const struct cache_entry **entries;
182 int alloc, nr;
183 };
184 #define MODULE_LIST_INIT { 0 }
185
186 static void module_list_release(struct module_list *ml)
187 {
188 free(ml->entries);
189 }
190
191 static int module_list_compute(const char **argv,
192 const char *prefix,
193 struct pathspec *pathspec,
194 struct module_list *list)
195 {
196 int i, result = 0;
197 char *ps_matched = NULL;
198
199 parse_pathspec(pathspec, 0,
200 PATHSPEC_PREFER_FULL,
201 prefix, argv);
202
203 if (pathspec->nr)
204 ps_matched = xcalloc(pathspec->nr, 1);
205
206 if (repo_read_index(the_repository) < 0)
207 die(_("index file corrupt"));
208
209 for (i = 0; i < the_index.cache_nr; i++) {
210 const struct cache_entry *ce = the_index.cache[i];
211
212 if (!match_pathspec(&the_index, pathspec, ce->name, ce_namelen(ce),
213 0, ps_matched, 1) ||
214 !S_ISGITLINK(ce->ce_mode))
215 continue;
216
217 ALLOC_GROW(list->entries, list->nr + 1, list->alloc);
218 list->entries[list->nr++] = ce;
219 while (i + 1 < the_index.cache_nr &&
220 !strcmp(ce->name, the_index.cache[i + 1]->name))
221 /*
222 * Skip entries with the same name in different stages
223 * to make sure an entry is returned only once.
224 */
225 i++;
226 }
227
228 if (ps_matched && report_path_error(ps_matched, pathspec))
229 result = -1;
230
231 free(ps_matched);
232
233 return result;
234 }
235
236 static void module_list_active(struct module_list *list)
237 {
238 int i;
239 struct module_list active_modules = MODULE_LIST_INIT;
240
241 for (i = 0; i < list->nr; i++) {
242 const struct cache_entry *ce = list->entries[i];
243
244 if (!is_submodule_active(the_repository, ce->name))
245 continue;
246
247 ALLOC_GROW(active_modules.entries,
248 active_modules.nr + 1,
249 active_modules.alloc);
250 active_modules.entries[active_modules.nr++] = ce;
251 }
252
253 module_list_release(list);
254 *list = active_modules;
255 }
256
257 static char *get_up_path(const char *path)
258 {
259 int i;
260 struct strbuf sb = STRBUF_INIT;
261
262 for (i = count_slashes(path); i; i--)
263 strbuf_addstr(&sb, "../");
264
265 /*
266 * Check if 'path' ends with slash or not
267 * for having the same output for dir/sub_dir
268 * and dir/sub_dir/
269 */
270 if (!is_dir_sep(path[strlen(path) - 1]))
271 strbuf_addstr(&sb, "../");
272
273 return strbuf_detach(&sb, NULL);
274 }
275
276 static void for_each_listed_submodule(const struct module_list *list,
277 each_submodule_fn fn, void *cb_data)
278 {
279 int i;
280
281 for (i = 0; i < list->nr; i++)
282 fn(list->entries[i], cb_data);
283 }
284
285 struct foreach_cb {
286 int argc;
287 const char **argv;
288 const char *prefix;
289 const char *super_prefix;
290 int quiet;
291 int recursive;
292 };
293 #define FOREACH_CB_INIT { 0 }
294
295 static void runcommand_in_submodule_cb(const struct cache_entry *list_item,
296 void *cb_data)
297 {
298 struct foreach_cb *info = cb_data;
299 const char *path = list_item->name;
300 const struct object_id *ce_oid = &list_item->oid;
301 const struct submodule *sub;
302 struct child_process cp = CHILD_PROCESS_INIT;
303 char *displaypath;
304
305 displaypath = get_submodule_displaypath(path, info->prefix,
306 info->super_prefix);
307
308 sub = submodule_from_path(the_repository, null_oid(), path);
309
310 if (!sub)
311 die(_("No url found for submodule path '%s' in .gitmodules"),
312 displaypath);
313
314 if (!is_submodule_populated_gently(path, NULL))
315 goto cleanup;
316
317 prepare_submodule_repo_env(&cp.env);
318
319 /*
320 * For the purpose of executing <command> in the submodule,
321 * separate shell is used for the purpose of running the
322 * child process.
323 */
324 cp.use_shell = 1;
325 cp.dir = path;
326
327 /*
328 * NEEDSWORK: the command currently has access to the variables $name,
329 * $sm_path, $displaypath, $sha1 and $toplevel only when the command
330 * contains a single argument. This is done for maintaining a faithful
331 * translation from shell script.
332 */
333 if (info->argc == 1) {
334 char *toplevel = xgetcwd();
335 struct strbuf sb = STRBUF_INIT;
336
337 strvec_pushf(&cp.env, "name=%s", sub->name);
338 strvec_pushf(&cp.env, "sm_path=%s", path);
339 strvec_pushf(&cp.env, "displaypath=%s", displaypath);
340 strvec_pushf(&cp.env, "sha1=%s",
341 oid_to_hex(ce_oid));
342 strvec_pushf(&cp.env, "toplevel=%s", toplevel);
343
344 /*
345 * Since the path variable was accessible from the script
346 * before porting, it is also made available after porting.
347 * The environment variable "PATH" has a very special purpose
348 * on windows. And since environment variables are
349 * case-insensitive in windows, it interferes with the
350 * existing PATH variable. Hence, to avoid that, we expose
351 * path via the args strvec and not via env.
352 */
353 sq_quote_buf(&sb, path);
354 strvec_pushf(&cp.args, "path=%s; %s",
355 sb.buf, info->argv[0]);
356 strbuf_release(&sb);
357 free(toplevel);
358 } else {
359 strvec_pushv(&cp.args, info->argv);
360 }
361
362 if (!info->quiet)
363 printf(_("Entering '%s'\n"), displaypath);
364
365 if (info->argv[0] && run_command(&cp))
366 die(_("run_command returned non-zero status for %s\n."),
367 displaypath);
368
369 if (info->recursive) {
370 struct child_process cpr = CHILD_PROCESS_INIT;
371
372 cpr.git_cmd = 1;
373 cpr.dir = path;
374 prepare_submodule_repo_env(&cpr.env);
375
376 strvec_pushl(&cpr.args, "submodule--helper", "foreach", "--recursive",
377 NULL);
378 strvec_pushl(&cpr.args, "--super-prefix", NULL);
379 strvec_pushf(&cpr.args, "%s/", displaypath);
380
381 if (info->quiet)
382 strvec_push(&cpr.args, "--quiet");
383
384 strvec_push(&cpr.args, "--");
385 strvec_pushv(&cpr.args, info->argv);
386
387 if (run_command(&cpr))
388 die(_("run_command returned non-zero status while "
389 "recursing in the nested submodules of %s\n."),
390 displaypath);
391 }
392
393 cleanup:
394 free(displaypath);
395 }
396
397 static int module_foreach(int argc, const char **argv, const char *prefix)
398 {
399 struct foreach_cb info = FOREACH_CB_INIT;
400 struct pathspec pathspec = { 0 };
401 struct module_list list = MODULE_LIST_INIT;
402 struct option module_foreach_options[] = {
403 OPT__SUPER_PREFIX(&info.super_prefix),
404 OPT__QUIET(&info.quiet, N_("suppress output of entering each submodule command")),
405 OPT_BOOL(0, "recursive", &info.recursive,
406 N_("recurse into nested submodules")),
407 OPT_END()
408 };
409 const char *const git_submodule_helper_usage[] = {
410 N_("git submodule foreach [--quiet] [--recursive] [--] <command>"),
411 NULL
412 };
413 int ret = 1;
414
415 argc = parse_options(argc, argv, prefix, module_foreach_options,
416 git_submodule_helper_usage, 0);
417
418 if (module_list_compute(NULL, prefix, &pathspec, &list) < 0)
419 goto cleanup;
420
421 info.argc = argc;
422 info.argv = argv;
423 info.prefix = prefix;
424
425 for_each_listed_submodule(&list, runcommand_in_submodule_cb, &info);
426
427 ret = 0;
428 cleanup:
429 module_list_release(&list);
430 clear_pathspec(&pathspec);
431 return ret;
432 }
433
434 static int starts_with_dot_slash(const char *const path)
435 {
436 return path_match_flags(path, PATH_MATCH_STARTS_WITH_DOT_SLASH |
437 PATH_MATCH_XPLATFORM);
438 }
439
440 static int starts_with_dot_dot_slash(const char *const path)
441 {
442 return path_match_flags(path, PATH_MATCH_STARTS_WITH_DOT_DOT_SLASH |
443 PATH_MATCH_XPLATFORM);
444 }
445
446 struct init_cb {
447 const char *prefix;
448 const char *super_prefix;
449 unsigned int flags;
450 };
451 #define INIT_CB_INIT { 0 }
452
453 static void init_submodule(const char *path, const char *prefix,
454 const char *super_prefix,
455 unsigned int flags)
456 {
457 const struct submodule *sub;
458 struct strbuf sb = STRBUF_INIT;
459 const char *upd;
460 char *url = NULL, *displaypath;
461
462 displaypath = get_submodule_displaypath(path, prefix, super_prefix);
463
464 sub = submodule_from_path(the_repository, null_oid(), path);
465
466 if (!sub)
467 die(_("No url found for submodule path '%s' in .gitmodules"),
468 displaypath);
469
470 /*
471 * NEEDSWORK: In a multi-working-tree world, this needs to be
472 * set in the per-worktree config.
473 *
474 * Set active flag for the submodule being initialized
475 */
476 if (!is_submodule_active(the_repository, path)) {
477 strbuf_addf(&sb, "submodule.%s.active", sub->name);
478 git_config_set_gently(sb.buf, "true");
479 strbuf_reset(&sb);
480 }
481
482 /*
483 * Copy url setting when it is not set yet.
484 * To look up the url in .git/config, we must not fall back to
485 * .gitmodules, so look it up directly.
486 */
487 strbuf_addf(&sb, "submodule.%s.url", sub->name);
488 if (git_config_get_string(sb.buf, &url)) {
489 if (!sub->url)
490 die(_("No url found for submodule path '%s' in .gitmodules"),
491 displaypath);
492
493 url = xstrdup(sub->url);
494
495 /* Possibly a url relative to parent */
496 if (starts_with_dot_dot_slash(url) ||
497 starts_with_dot_slash(url)) {
498 char *oldurl = url;
499
500 url = resolve_relative_url(oldurl, NULL, 0);
501 free(oldurl);
502 }
503
504 if (git_config_set_gently(sb.buf, url))
505 die(_("Failed to register url for submodule path '%s'"),
506 displaypath);
507 if (!(flags & OPT_QUIET))
508 fprintf(stderr,
509 _("Submodule '%s' (%s) registered for path '%s'\n"),
510 sub->name, url, displaypath);
511 }
512 strbuf_reset(&sb);
513
514 /* Copy "update" setting when it is not set yet */
515 strbuf_addf(&sb, "submodule.%s.update", sub->name);
516 if (git_config_get_string_tmp(sb.buf, &upd) &&
517 sub->update_strategy.type != SM_UPDATE_UNSPECIFIED) {
518 if (sub->update_strategy.type == SM_UPDATE_COMMAND) {
519 fprintf(stderr, _("warning: command update mode suggested for submodule '%s'\n"),
520 sub->name);
521 upd = "none";
522 } else {
523 upd = submodule_update_type_to_string(sub->update_strategy.type);
524 }
525
526 if (git_config_set_gently(sb.buf, upd))
527 die(_("Failed to register update mode for submodule path '%s'"), displaypath);
528 }
529 strbuf_release(&sb);
530 free(displaypath);
531 free(url);
532 }
533
534 static void init_submodule_cb(const struct cache_entry *list_item, void *cb_data)
535 {
536 struct init_cb *info = cb_data;
537
538 init_submodule(list_item->name, info->prefix, info->super_prefix,
539 info->flags);
540 }
541
542 static int module_init(int argc, const char **argv, const char *prefix)
543 {
544 struct init_cb info = INIT_CB_INIT;
545 struct pathspec pathspec = { 0 };
546 struct module_list list = MODULE_LIST_INIT;
547 int quiet = 0;
548 struct option module_init_options[] = {
549 OPT__QUIET(&quiet, N_("suppress output for initializing a submodule")),
550 OPT_END()
551 };
552 const char *const git_submodule_helper_usage[] = {
553 N_("git submodule init [<options>] [<path>]"),
554 NULL
555 };
556 int ret = 1;
557
558 argc = parse_options(argc, argv, prefix, module_init_options,
559 git_submodule_helper_usage, 0);
560
561 if (module_list_compute(argv, prefix, &pathspec, &list) < 0)
562 goto cleanup;
563
564 /*
565 * If there are no path args and submodule.active is set then,
566 * by default, only initialize 'active' modules.
567 */
568 if (!argc && !git_config_get("submodule.active"))
569 module_list_active(&list);
570
571 info.prefix = prefix;
572 if (quiet)
573 info.flags |= OPT_QUIET;
574
575 for_each_listed_submodule(&list, init_submodule_cb, &info);
576
577 ret = 0;
578 cleanup:
579 module_list_release(&list);
580 clear_pathspec(&pathspec);
581 return ret;
582 }
583
584 struct status_cb {
585 const char *prefix;
586 const char *super_prefix;
587 unsigned int flags;
588 };
589 #define STATUS_CB_INIT { 0 }
590
591 static void print_status(unsigned int flags, char state, const char *path,
592 const struct object_id *oid, const char *displaypath)
593 {
594 if (flags & OPT_QUIET)
595 return;
596
597 printf("%c%s %s", state, oid_to_hex(oid), displaypath);
598
599 if (state == ' ' || state == '+') {
600 char *name = compute_rev_name(path, oid_to_hex(oid));
601
602 if (name)
603 printf(" (%s)", name);
604 free(name);
605 }
606
607 printf("\n");
608 }
609
610 static int handle_submodule_head_ref(const char *refname UNUSED,
611 const struct object_id *oid,
612 int flags UNUSED,
613 void *cb_data)
614 {
615 struct object_id *output = cb_data;
616
617 if (oid)
618 oidcpy(output, oid);
619
620 return 0;
621 }
622
623 static void status_submodule(const char *path, const struct object_id *ce_oid,
624 unsigned int ce_flags, const char *prefix,
625 const char *super_prefix, unsigned int flags)
626 {
627 char *displaypath;
628 struct strvec diff_files_args = STRVEC_INIT;
629 struct rev_info rev = REV_INFO_INIT;
630 int diff_files_result;
631 struct strbuf buf = STRBUF_INIT;
632 const char *git_dir;
633 struct setup_revision_opt opt = {
634 .free_removed_argv_elements = 1,
635 };
636
637 if (!submodule_from_path(the_repository, null_oid(), path))
638 die(_("no submodule mapping found in .gitmodules for path '%s'"),
639 path);
640
641 displaypath = get_submodule_displaypath(path, prefix, super_prefix);
642
643 if ((CE_STAGEMASK & ce_flags) >> CE_STAGESHIFT) {
644 print_status(flags, 'U', path, null_oid(), displaypath);
645 goto cleanup;
646 }
647
648 strbuf_addf(&buf, "%s/.git", path);
649 git_dir = read_gitfile(buf.buf);
650 if (!git_dir)
651 git_dir = buf.buf;
652
653 if (!is_submodule_active(the_repository, path) ||
654 !is_git_directory(git_dir)) {
655 print_status(flags, '-', path, ce_oid, displaypath);
656 strbuf_release(&buf);
657 goto cleanup;
658 }
659 strbuf_release(&buf);
660
661 strvec_pushl(&diff_files_args, "diff-files",
662 "--ignore-submodules=dirty", "--quiet", "--",
663 path, NULL);
664
665 git_config(git_diff_basic_config, NULL);
666
667 repo_init_revisions(the_repository, &rev, NULL);
668 rev.abbrev = 0;
669 setup_revisions(diff_files_args.nr, diff_files_args.v, &rev, &opt);
670 diff_files_result = run_diff_files(&rev, 0);
671
672 if (!diff_result_code(&rev.diffopt, diff_files_result)) {
673 print_status(flags, ' ', path, ce_oid,
674 displaypath);
675 } else if (!(flags & OPT_CACHED)) {
676 struct object_id oid;
677 struct ref_store *refs = get_submodule_ref_store(path);
678
679 if (!refs) {
680 print_status(flags, '-', path, ce_oid, displaypath);
681 goto cleanup;
682 }
683 if (refs_head_ref(refs, handle_submodule_head_ref, &oid))
684 die(_("could not resolve HEAD ref inside the "
685 "submodule '%s'"), path);
686
687 print_status(flags, '+', path, &oid, displaypath);
688 } else {
689 print_status(flags, '+', path, ce_oid, displaypath);
690 }
691
692 if (flags & OPT_RECURSIVE) {
693 struct child_process cpr = CHILD_PROCESS_INIT;
694
695 cpr.git_cmd = 1;
696 cpr.dir = path;
697 prepare_submodule_repo_env(&cpr.env);
698
699 strvec_pushl(&cpr.args, "submodule--helper", "status",
700 "--recursive", NULL);
701 strvec_push(&cpr.args, "--super-prefix");
702 strvec_pushf(&cpr.args, "%s/", displaypath);
703
704 if (flags & OPT_CACHED)
705 strvec_push(&cpr.args, "--cached");
706
707 if (flags & OPT_QUIET)
708 strvec_push(&cpr.args, "--quiet");
709
710 if (run_command(&cpr))
711 die(_("failed to recurse into submodule '%s'"), path);
712 }
713
714 cleanup:
715 strvec_clear(&diff_files_args);
716 free(displaypath);
717 release_revisions(&rev);
718 }
719
720 static void status_submodule_cb(const struct cache_entry *list_item,
721 void *cb_data)
722 {
723 struct status_cb *info = cb_data;
724
725 status_submodule(list_item->name, &list_item->oid, list_item->ce_flags,
726 info->prefix, info->super_prefix, info->flags);
727 }
728
729 static int module_status(int argc, const char **argv, const char *prefix)
730 {
731 struct status_cb info = STATUS_CB_INIT;
732 struct pathspec pathspec = { 0 };
733 struct module_list list = MODULE_LIST_INIT;
734 int quiet = 0;
735 struct option module_status_options[] = {
736 OPT__SUPER_PREFIX(&info.super_prefix),
737 OPT__QUIET(&quiet, N_("suppress submodule status output")),
738 OPT_BIT(0, "cached", &info.flags, N_("use commit stored in the index instead of the one stored in the submodule HEAD"), OPT_CACHED),
739 OPT_BIT(0, "recursive", &info.flags, N_("recurse into nested submodules"), OPT_RECURSIVE),
740 OPT_END()
741 };
742 const char *const git_submodule_helper_usage[] = {
743 N_("git submodule status [--quiet] [--cached] [--recursive] [<path>...]"),
744 NULL
745 };
746 int ret = 1;
747
748 argc = parse_options(argc, argv, prefix, module_status_options,
749 git_submodule_helper_usage, 0);
750
751 if (module_list_compute(argv, prefix, &pathspec, &list) < 0)
752 goto cleanup;
753
754 info.prefix = prefix;
755 if (quiet)
756 info.flags |= OPT_QUIET;
757
758 for_each_listed_submodule(&list, status_submodule_cb, &info);
759
760 ret = 0;
761 cleanup:
762 module_list_release(&list);
763 clear_pathspec(&pathspec);
764 return ret;
765 }
766
767 struct module_cb {
768 unsigned int mod_src;
769 unsigned int mod_dst;
770 struct object_id oid_src;
771 struct object_id oid_dst;
772 char status;
773 char *sm_path;
774 };
775 #define MODULE_CB_INIT { 0 }
776
777 static void module_cb_release(struct module_cb *mcb)
778 {
779 free(mcb->sm_path);
780 }
781
782 struct module_cb_list {
783 struct module_cb **entries;
784 int alloc, nr;
785 };
786 #define MODULE_CB_LIST_INIT { 0 }
787
788 static void module_cb_list_release(struct module_cb_list *mcbl)
789 {
790 int i;
791
792 for (i = 0; i < mcbl->nr; i++) {
793 struct module_cb *mcb = mcbl->entries[i];
794
795 module_cb_release(mcb);
796 free(mcb);
797 }
798 free(mcbl->entries);
799 }
800
801 struct summary_cb {
802 int argc;
803 const char **argv;
804 const char *prefix;
805 const char *super_prefix;
806 unsigned int cached: 1;
807 unsigned int for_status: 1;
808 unsigned int files: 1;
809 int summary_limit;
810 };
811 #define SUMMARY_CB_INIT { 0 }
812
813 enum diff_cmd {
814 DIFF_INDEX,
815 DIFF_FILES
816 };
817
818 static char *verify_submodule_committish(const char *sm_path,
819 const char *committish)
820 {
821 struct child_process cp_rev_parse = CHILD_PROCESS_INIT;
822 struct strbuf result = STRBUF_INIT;
823
824 cp_rev_parse.git_cmd = 1;
825 cp_rev_parse.dir = sm_path;
826 prepare_submodule_repo_env(&cp_rev_parse.env);
827 strvec_pushl(&cp_rev_parse.args, "rev-parse", "-q", "--short", NULL);
828 strvec_pushf(&cp_rev_parse.args, "%s^0", committish);
829 strvec_push(&cp_rev_parse.args, "--");
830
831 if (capture_command(&cp_rev_parse, &result, 0))
832 return NULL;
833
834 strbuf_trim_trailing_newline(&result);
835 return strbuf_detach(&result, NULL);
836 }
837
838 static void print_submodule_summary(struct summary_cb *info, const char *errmsg,
839 int total_commits, const char *displaypath,
840 const char *src_abbrev, const char *dst_abbrev,
841 struct module_cb *p)
842 {
843 if (p->status == 'T') {
844 if (S_ISGITLINK(p->mod_dst))
845 printf(_("* %s %s(blob)->%s(submodule)"),
846 displaypath, src_abbrev, dst_abbrev);
847 else
848 printf(_("* %s %s(submodule)->%s(blob)"),
849 displaypath, src_abbrev, dst_abbrev);
850 } else {
851 printf("* %s %s...%s",
852 displaypath, src_abbrev, dst_abbrev);
853 }
854
855 if (total_commits < 0)
856 printf(":\n");
857 else
858 printf(" (%d):\n", total_commits);
859
860 if (errmsg) {
861 printf(_("%s"), errmsg);
862 } else if (total_commits > 0) {
863 struct child_process cp_log = CHILD_PROCESS_INIT;
864
865 cp_log.git_cmd = 1;
866 cp_log.dir = p->sm_path;
867 prepare_submodule_repo_env(&cp_log.env);
868 strvec_pushl(&cp_log.args, "log", NULL);
869
870 if (S_ISGITLINK(p->mod_src) && S_ISGITLINK(p->mod_dst)) {
871 if (info->summary_limit > 0)
872 strvec_pushf(&cp_log.args, "-%d",
873 info->summary_limit);
874
875 strvec_pushl(&cp_log.args, "--pretty= %m %s",
876 "--first-parent", NULL);
877 strvec_pushf(&cp_log.args, "%s...%s",
878 src_abbrev, dst_abbrev);
879 } else if (S_ISGITLINK(p->mod_dst)) {
880 strvec_pushl(&cp_log.args, "--pretty= > %s",
881 "-1", dst_abbrev, NULL);
882 } else {
883 strvec_pushl(&cp_log.args, "--pretty= < %s",
884 "-1", src_abbrev, NULL);
885 }
886 run_command(&cp_log);
887 }
888 printf("\n");
889 }
890
891 static void generate_submodule_summary(struct summary_cb *info,
892 struct module_cb *p)
893 {
894 char *displaypath, *src_abbrev = NULL, *dst_abbrev;
895 int missing_src = 0, missing_dst = 0;
896 struct strbuf errmsg = STRBUF_INIT;
897 int total_commits = -1;
898
899 if (!info->cached && oideq(&p->oid_dst, null_oid())) {
900 if (S_ISGITLINK(p->mod_dst)) {
901 struct ref_store *refs = get_submodule_ref_store(p->sm_path);
902
903 if (refs)
904 refs_head_ref(refs, handle_submodule_head_ref, &p->oid_dst);
905 } else if (S_ISLNK(p->mod_dst) || S_ISREG(p->mod_dst)) {
906 struct stat st;
907 int fd = open(p->sm_path, O_RDONLY);
908
909 if (fd < 0 || fstat(fd, &st) < 0 ||
910 index_fd(&the_index, &p->oid_dst, fd, &st, OBJ_BLOB,
911 p->sm_path, 0))
912 error(_("couldn't hash object from '%s'"), p->sm_path);
913 } else {
914 /* for a submodule removal (mode:0000000), don't warn */
915 if (p->mod_dst)
916 warning(_("unexpected mode %o\n"), p->mod_dst);
917 }
918 }
919
920 if (S_ISGITLINK(p->mod_src)) {
921 if (p->status != 'D')
922 src_abbrev = verify_submodule_committish(p->sm_path,
923 oid_to_hex(&p->oid_src));
924 if (!src_abbrev) {
925 missing_src = 1;
926 /*
927 * As `rev-parse` failed, we fallback to getting
928 * the abbreviated hash using oid_src. We do
929 * this as we might still need the abbreviated
930 * hash in cases like a submodule type change, etc.
931 */
932 src_abbrev = xstrndup(oid_to_hex(&p->oid_src), 7);
933 }
934 } else {
935 /*
936 * The source does not point to a submodule.
937 * So, we fallback to getting the abbreviation using
938 * oid_src as we might still need the abbreviated
939 * hash in cases like submodule add, etc.
940 */
941 src_abbrev = xstrndup(oid_to_hex(&p->oid_src), 7);
942 }
943
944 if (S_ISGITLINK(p->mod_dst)) {
945 dst_abbrev = verify_submodule_committish(p->sm_path,
946 oid_to_hex(&p->oid_dst));
947 if (!dst_abbrev) {
948 missing_dst = 1;
949 /*
950 * As `rev-parse` failed, we fallback to getting
951 * the abbreviated hash using oid_dst. We do
952 * this as we might still need the abbreviated
953 * hash in cases like a submodule type change, etc.
954 */
955 dst_abbrev = xstrndup(oid_to_hex(&p->oid_dst), 7);
956 }
957 } else {
958 /*
959 * The destination does not point to a submodule.
960 * So, we fallback to getting the abbreviation using
961 * oid_dst as we might still need the abbreviated
962 * hash in cases like a submodule removal, etc.
963 */
964 dst_abbrev = xstrndup(oid_to_hex(&p->oid_dst), 7);
965 }
966
967 displaypath = get_submodule_displaypath(p->sm_path, info->prefix,
968 info->super_prefix);
969
970 if (!missing_src && !missing_dst) {
971 struct child_process cp_rev_list = CHILD_PROCESS_INIT;
972 struct strbuf sb_rev_list = STRBUF_INIT;
973
974 strvec_pushl(&cp_rev_list.args, "rev-list",
975 "--first-parent", "--count", NULL);
976 if (S_ISGITLINK(p->mod_src) && S_ISGITLINK(p->mod_dst))
977 strvec_pushf(&cp_rev_list.args, "%s...%s",
978 src_abbrev, dst_abbrev);
979 else
980 strvec_push(&cp_rev_list.args, S_ISGITLINK(p->mod_src) ?
981 src_abbrev : dst_abbrev);
982 strvec_push(&cp_rev_list.args, "--");
983
984 cp_rev_list.git_cmd = 1;
985 cp_rev_list.dir = p->sm_path;
986 prepare_submodule_repo_env(&cp_rev_list.env);
987
988 if (!capture_command(&cp_rev_list, &sb_rev_list, 0))
989 total_commits = atoi(sb_rev_list.buf);
990
991 strbuf_release(&sb_rev_list);
992 } else {
993 /*
994 * Don't give error msg for modification whose dst is not
995 * submodule, i.e., deleted or changed to blob
996 */
997 if (S_ISGITLINK(p->mod_dst)) {
998 if (missing_src && missing_dst) {
999 strbuf_addf(&errmsg, " Warn: %s doesn't contain commits %s and %s\n",
1000 displaypath, oid_to_hex(&p->oid_src),
1001 oid_to_hex(&p->oid_dst));
1002 } else {
1003 strbuf_addf(&errmsg, " Warn: %s doesn't contain commit %s\n",
1004 displaypath, missing_src ?
1005 oid_to_hex(&p->oid_src) :
1006 oid_to_hex(&p->oid_dst));
1007 }
1008 }
1009 }
1010
1011 print_submodule_summary(info, errmsg.len ? errmsg.buf : NULL,
1012 total_commits, displaypath, src_abbrev,
1013 dst_abbrev, p);
1014
1015 free(displaypath);
1016 free(src_abbrev);
1017 free(dst_abbrev);
1018 strbuf_release(&errmsg);
1019 }
1020
1021 static void prepare_submodule_summary(struct summary_cb *info,
1022 struct module_cb_list *list)
1023 {
1024 int i;
1025 for (i = 0; i < list->nr; i++) {
1026 const struct submodule *sub;
1027 struct module_cb *p = list->entries[i];
1028 struct strbuf sm_gitdir = STRBUF_INIT;
1029
1030 if (p->status == 'D' || p->status == 'T') {
1031 generate_submodule_summary(info, p);
1032 continue;
1033 }
1034
1035 if (info->for_status && p->status != 'A' &&
1036 (sub = submodule_from_path(the_repository,
1037 null_oid(), p->sm_path))) {
1038 char *config_key = NULL;
1039 const char *value;
1040 int ignore_all = 0;
1041
1042 config_key = xstrfmt("submodule.%s.ignore",
1043 sub->name);
1044 if (!git_config_get_string_tmp(config_key, &value))
1045 ignore_all = !strcmp(value, "all");
1046 else if (sub->ignore)
1047 ignore_all = !strcmp(sub->ignore, "all");
1048
1049 free(config_key);
1050 if (ignore_all)
1051 continue;
1052 }
1053
1054 /* Also show added or modified modules which are checked out */
1055 strbuf_addstr(&sm_gitdir, p->sm_path);
1056 if (is_nonbare_repository_dir(&sm_gitdir))
1057 generate_submodule_summary(info, p);
1058 strbuf_release(&sm_gitdir);
1059 }
1060 }
1061
1062 static void submodule_summary_callback(struct diff_queue_struct *q,
1063 struct diff_options *options UNUSED,
1064 void *data)
1065 {
1066 int i;
1067 struct module_cb_list *list = data;
1068 for (i = 0; i < q->nr; i++) {
1069 struct diff_filepair *p = q->queue[i];
1070 struct module_cb *temp;
1071
1072 if (!S_ISGITLINK(p->one->mode) && !S_ISGITLINK(p->two->mode))
1073 continue;
1074 temp = (struct module_cb*)malloc(sizeof(struct module_cb));
1075 temp->mod_src = p->one->mode;
1076 temp->mod_dst = p->two->mode;
1077 temp->oid_src = p->one->oid;
1078 temp->oid_dst = p->two->oid;
1079 temp->status = p->status;
1080 temp->sm_path = xstrdup(p->one->path);
1081
1082 ALLOC_GROW(list->entries, list->nr + 1, list->alloc);
1083 list->entries[list->nr++] = temp;
1084 }
1085 }
1086
1087 static const char *get_diff_cmd(enum diff_cmd diff_cmd)
1088 {
1089 switch (diff_cmd) {
1090 case DIFF_INDEX: return "diff-index";
1091 case DIFF_FILES: return "diff-files";
1092 default: BUG("bad diff_cmd value %d", diff_cmd);
1093 }
1094 }
1095
1096 static int compute_summary_module_list(struct object_id *head_oid,
1097 struct summary_cb *info,
1098 enum diff_cmd diff_cmd)
1099 {
1100 struct strvec diff_args = STRVEC_INIT;
1101 struct rev_info rev;
1102 struct setup_revision_opt opt = {
1103 .free_removed_argv_elements = 1,
1104 };
1105 struct module_cb_list list = MODULE_CB_LIST_INIT;
1106 int ret = 0;
1107
1108 strvec_push(&diff_args, get_diff_cmd(diff_cmd));
1109 if (info->cached)
1110 strvec_push(&diff_args, "--cached");
1111 strvec_pushl(&diff_args, "--ignore-submodules=dirty", "--raw", NULL);
1112 if (head_oid)
1113 strvec_push(&diff_args, oid_to_hex(head_oid));
1114 strvec_push(&diff_args, "--");
1115 if (info->argc)
1116 strvec_pushv(&diff_args, info->argv);
1117
1118 git_config(git_diff_basic_config, NULL);
1119 repo_init_revisions(the_repository, &rev, info->prefix);
1120 rev.abbrev = 0;
1121 precompose_argv_prefix(diff_args.nr, diff_args.v, NULL);
1122 setup_revisions(diff_args.nr, diff_args.v, &rev, &opt);
1123 rev.diffopt.output_format = DIFF_FORMAT_NO_OUTPUT | DIFF_FORMAT_CALLBACK;
1124 rev.diffopt.format_callback = submodule_summary_callback;
1125 rev.diffopt.format_callback_data = &list;
1126
1127 if (!info->cached) {
1128 if (diff_cmd == DIFF_INDEX)
1129 setup_work_tree();
1130 if (repo_read_index_preload(the_repository, &rev.diffopt.pathspec, 0) < 0) {
1131 perror("repo_read_index_preload");
1132 ret = -1;
1133 goto cleanup;
1134 }
1135 } else if (repo_read_index(the_repository) < 0) {
1136 perror("repo_read_cache");
1137 ret = -1;
1138 goto cleanup;
1139 }
1140
1141 if (diff_cmd == DIFF_INDEX)
1142 run_diff_index(&rev, info->cached);
1143 else
1144 run_diff_files(&rev, 0);
1145 prepare_submodule_summary(info, &list);
1146 cleanup:
1147 strvec_clear(&diff_args);
1148 release_revisions(&rev);
1149 module_cb_list_release(&list);
1150 return ret;
1151 }
1152
1153 static int module_summary(int argc, const char **argv, const char *prefix)
1154 {
1155 struct summary_cb info = SUMMARY_CB_INIT;
1156 int cached = 0;
1157 int for_status = 0;
1158 int files = 0;
1159 int summary_limit = -1;
1160 enum diff_cmd diff_cmd = DIFF_INDEX;
1161 struct object_id head_oid;
1162 int ret;
1163 struct option module_summary_options[] = {
1164 OPT_BOOL(0, "cached", &cached,
1165 N_("use the commit stored in the index instead of the submodule HEAD")),
1166 OPT_BOOL(0, "files", &files,
1167 N_("compare the commit in the index with that in the submodule HEAD")),
1168 OPT_BOOL(0, "for-status", &for_status,
1169 N_("skip submodules with 'ignore_config' value set to 'all'")),
1170 OPT_INTEGER('n', "summary-limit", &summary_limit,
1171 N_("limit the summary size")),
1172 OPT_END()
1173 };
1174 const char *const git_submodule_helper_usage[] = {
1175 N_("git submodule summary [<options>] [<commit>] [--] [<path>]"),
1176 NULL
1177 };
1178
1179 argc = parse_options(argc, argv, prefix, module_summary_options,
1180 git_submodule_helper_usage, 0);
1181
1182 if (!summary_limit)
1183 return 0;
1184
1185 if (!repo_get_oid(the_repository, argc ? argv[0] : "HEAD", &head_oid)) {
1186 if (argc) {
1187 argv++;
1188 argc--;
1189 }
1190 } else if (!argc || !strcmp(argv[0], "HEAD")) {
1191 /* before the first commit: compare with an empty tree */
1192 oidcpy(&head_oid, the_hash_algo->empty_tree);
1193 if (argc) {
1194 argv++;
1195 argc--;
1196 }
1197 } else {
1198 if (repo_get_oid(the_repository, "HEAD", &head_oid))
1199 die(_("could not fetch a revision for HEAD"));
1200 }
1201
1202 if (files) {
1203 if (cached)
1204 die(_("options '%s' and '%s' cannot be used together"), "--cached", "--files");
1205 diff_cmd = DIFF_FILES;
1206 }
1207
1208 info.argc = argc;
1209 info.argv = argv;
1210 info.prefix = prefix;
1211 info.cached = !!cached;
1212 info.files = !!files;
1213 info.for_status = !!for_status;
1214 info.summary_limit = summary_limit;
1215
1216 ret = compute_summary_module_list((diff_cmd == DIFF_INDEX) ? &head_oid : NULL,
1217 &info, diff_cmd);
1218 return ret;
1219 }
1220
1221 struct sync_cb {
1222 const char *prefix;
1223 const char *super_prefix;
1224 unsigned int flags;
1225 };
1226 #define SYNC_CB_INIT { 0 }
1227
1228 static void sync_submodule(const char *path, const char *prefix,
1229 const char *super_prefix, unsigned int flags)
1230 {
1231 const struct submodule *sub;
1232 char *remote_key = NULL;
1233 char *sub_origin_url, *super_config_url, *displaypath, *default_remote;
1234 struct strbuf sb = STRBUF_INIT;
1235 char *sub_config_path = NULL;
1236 int code;
1237
1238 if (!is_submodule_active(the_repository, path))
1239 return;
1240
1241 sub = submodule_from_path(the_repository, null_oid(), path);
1242
1243 if (sub && sub->url) {
1244 if (starts_with_dot_dot_slash(sub->url) ||
1245 starts_with_dot_slash(sub->url)) {
1246 char *up_path = get_up_path(path);
1247
1248 sub_origin_url = resolve_relative_url(sub->url, up_path, 1);
1249 super_config_url = resolve_relative_url(sub->url, NULL, 1);
1250 free(up_path);
1251 } else {
1252 sub_origin_url = xstrdup(sub->url);
1253 super_config_url = xstrdup(sub->url);
1254 }
1255 } else {
1256 sub_origin_url = xstrdup("");
1257 super_config_url = xstrdup("");
1258 }
1259
1260 displaypath = get_submodule_displaypath(path, prefix, super_prefix);
1261
1262 if (!(flags & OPT_QUIET))
1263 printf(_("Synchronizing submodule url for '%s'\n"),
1264 displaypath);
1265
1266 strbuf_reset(&sb);
1267 strbuf_addf(&sb, "submodule.%s.url", sub->name);
1268 if (git_config_set_gently(sb.buf, super_config_url))
1269 die(_("failed to register url for submodule path '%s'"),
1270 displaypath);
1271
1272 if (!is_submodule_populated_gently(path, NULL))
1273 goto cleanup;
1274
1275 strbuf_reset(&sb);
1276 code = get_default_remote_submodule(path, &default_remote);
1277 if (code)
1278 exit(code);
1279
1280 remote_key = xstrfmt("remote.%s.url", default_remote);
1281 free(default_remote);
1282
1283 submodule_to_gitdir(&sb, path);
1284 strbuf_addstr(&sb, "/config");
1285
1286 if (git_config_set_in_file_gently(sb.buf, remote_key, sub_origin_url))
1287 die(_("failed to update remote for submodule '%s'"),
1288 path);
1289
1290 if (flags & OPT_RECURSIVE) {
1291 struct child_process cpr = CHILD_PROCESS_INIT;
1292
1293 cpr.git_cmd = 1;
1294 cpr.dir = path;
1295 prepare_submodule_repo_env(&cpr.env);
1296
1297 strvec_pushl(&cpr.args, "submodule--helper", "sync",
1298 "--recursive", NULL);
1299 strvec_push(&cpr.args, "--super-prefix");
1300 strvec_pushf(&cpr.args, "%s/", displaypath);
1301
1302
1303 if (flags & OPT_QUIET)
1304 strvec_push(&cpr.args, "--quiet");
1305
1306 if (run_command(&cpr))
1307 die(_("failed to recurse into submodule '%s'"),
1308 path);
1309 }
1310
1311 cleanup:
1312 free(super_config_url);
1313 free(sub_origin_url);
1314 strbuf_release(&sb);
1315 free(remote_key);
1316 free(displaypath);
1317 free(sub_config_path);
1318 }
1319
1320 static void sync_submodule_cb(const struct cache_entry *list_item, void *cb_data)
1321 {
1322 struct sync_cb *info = cb_data;
1323
1324 sync_submodule(list_item->name, info->prefix, info->super_prefix,
1325 info->flags);
1326 }
1327
1328 static int module_sync(int argc, const char **argv, const char *prefix)
1329 {
1330 struct sync_cb info = SYNC_CB_INIT;
1331 struct pathspec pathspec = { 0 };
1332 struct module_list list = MODULE_LIST_INIT;
1333 int quiet = 0;
1334 int recursive = 0;
1335 struct option module_sync_options[] = {
1336 OPT__SUPER_PREFIX(&info.super_prefix),
1337 OPT__QUIET(&quiet, N_("suppress output of synchronizing submodule url")),
1338 OPT_BOOL(0, "recursive", &recursive,
1339 N_("recurse into nested submodules")),
1340 OPT_END()
1341 };
1342 const char *const git_submodule_helper_usage[] = {
1343 N_("git submodule sync [--quiet] [--recursive] [<path>]"),
1344 NULL
1345 };
1346 int ret = 1;
1347
1348 argc = parse_options(argc, argv, prefix, module_sync_options,
1349 git_submodule_helper_usage, 0);
1350
1351 if (module_list_compute(argv, prefix, &pathspec, &list) < 0)
1352 goto cleanup;
1353
1354 info.prefix = prefix;
1355 if (quiet)
1356 info.flags |= OPT_QUIET;
1357 if (recursive)
1358 info.flags |= OPT_RECURSIVE;
1359
1360 for_each_listed_submodule(&list, sync_submodule_cb, &info);
1361
1362 ret = 0;
1363 cleanup:
1364 module_list_release(&list);
1365 clear_pathspec(&pathspec);
1366 return ret;
1367 }
1368
1369 struct deinit_cb {
1370 const char *prefix;
1371 unsigned int flags;
1372 };
1373 #define DEINIT_CB_INIT { 0 }
1374
1375 static void deinit_submodule(const char *path, const char *prefix,
1376 unsigned int flags)
1377 {
1378 const struct submodule *sub;
1379 char *displaypath = NULL;
1380 struct child_process cp_config = CHILD_PROCESS_INIT;
1381 struct strbuf sb_config = STRBUF_INIT;
1382 char *sub_git_dir = xstrfmt("%s/.git", path);
1383
1384 sub = submodule_from_path(the_repository, null_oid(), path);
1385
1386 if (!sub || !sub->name)
1387 goto cleanup;
1388
1389 displaypath = get_submodule_displaypath(path, prefix, NULL);
1390
1391 /* remove the submodule work tree (unless the user already did it) */
1392 if (is_directory(path)) {
1393 struct strbuf sb_rm = STRBUF_INIT;
1394 const char *format;
1395
1396 if (is_directory(sub_git_dir)) {
1397 if (!(flags & OPT_QUIET))
1398 warning(_("Submodule work tree '%s' contains a .git "
1399 "directory. This will be replaced with a "
1400 ".git file by using absorbgitdirs."),
1401 displaypath);
1402
1403 absorb_git_dir_into_superproject(path, NULL);
1404
1405 }
1406
1407 if (!(flags & OPT_FORCE)) {
1408 struct child_process cp_rm = CHILD_PROCESS_INIT;
1409
1410 cp_rm.git_cmd = 1;
1411 strvec_pushl(&cp_rm.args, "rm", "-qn",
1412 path, NULL);
1413
1414 if (run_command(&cp_rm))
1415 die(_("Submodule work tree '%s' contains local "
1416 "modifications; use '-f' to discard them"),
1417 displaypath);
1418 }
1419
1420 strbuf_addstr(&sb_rm, path);
1421
1422 if (!remove_dir_recursively(&sb_rm, 0))
1423 format = _("Cleared directory '%s'\n");
1424 else
1425 format = _("Could not remove submodule work tree '%s'\n");
1426
1427 if (!(flags & OPT_QUIET))
1428 printf(format, displaypath);
1429
1430 submodule_unset_core_worktree(sub);
1431
1432 strbuf_release(&sb_rm);
1433 }
1434
1435 if (mkdir(path, 0777))
1436 printf(_("could not create empty submodule directory %s"),
1437 displaypath);
1438
1439 cp_config.git_cmd = 1;
1440 strvec_pushl(&cp_config.args, "config", "--get-regexp", NULL);
1441 strvec_pushf(&cp_config.args, "submodule.%s\\.", sub->name);
1442
1443 /* remove the .git/config entries (unless the user already did it) */
1444 if (!capture_command(&cp_config, &sb_config, 0) && sb_config.len) {
1445 char *sub_key = xstrfmt("submodule.%s", sub->name);
1446
1447 /*
1448 * remove the whole section so we have a clean state when
1449 * the user later decides to init this submodule again
1450 */
1451 git_config_rename_section_in_file(NULL, sub_key, NULL);
1452 if (!(flags & OPT_QUIET))
1453 printf(_("Submodule '%s' (%s) unregistered for path '%s'\n"),
1454 sub->name, sub->url, displaypath);
1455 free(sub_key);
1456 }
1457
1458 cleanup:
1459 free(displaypath);
1460 free(sub_git_dir);
1461 strbuf_release(&sb_config);
1462 }
1463
1464 static void deinit_submodule_cb(const struct cache_entry *list_item,
1465 void *cb_data)
1466 {
1467 struct deinit_cb *info = cb_data;
1468 deinit_submodule(list_item->name, info->prefix, info->flags);
1469 }
1470
1471 static int module_deinit(int argc, const char **argv, const char *prefix)
1472 {
1473 struct deinit_cb info = DEINIT_CB_INIT;
1474 struct pathspec pathspec = { 0 };
1475 struct module_list list = MODULE_LIST_INIT;
1476 int quiet = 0;
1477 int force = 0;
1478 int all = 0;
1479 struct option module_deinit_options[] = {
1480 OPT__QUIET(&quiet, N_("suppress submodule status output")),
1481 OPT__FORCE(&force, N_("remove submodule working trees even if they contain local changes"), 0),
1482 OPT_BOOL(0, "all", &all, N_("unregister all submodules")),
1483 OPT_END()
1484 };
1485 const char *const git_submodule_helper_usage[] = {
1486 N_("git submodule deinit [--quiet] [-f | --force] [--all | [--] [<path>...]]"),
1487 NULL
1488 };
1489 int ret = 1;
1490
1491 argc = parse_options(argc, argv, prefix, module_deinit_options,
1492 git_submodule_helper_usage, 0);
1493
1494 if (all && argc) {
1495 error("pathspec and --all are incompatible");
1496 usage_with_options(git_submodule_helper_usage,
1497 module_deinit_options);
1498 }
1499
1500 if (!argc && !all)
1501 die(_("Use '--all' if you really want to deinitialize all submodules"));
1502
1503 if (module_list_compute(argv, prefix, &pathspec, &list) < 0)
1504 goto cleanup;
1505
1506 info.prefix = prefix;
1507 if (quiet)
1508 info.flags |= OPT_QUIET;
1509 if (force)
1510 info.flags |= OPT_FORCE;
1511
1512 for_each_listed_submodule(&list, deinit_submodule_cb, &info);
1513
1514 ret = 0;
1515 cleanup:
1516 module_list_release(&list);
1517 clear_pathspec(&pathspec);
1518 return ret;
1519 }
1520
1521 struct module_clone_data {
1522 const char *prefix;
1523 const char *path;
1524 const char *name;
1525 const char *url;
1526 const char *depth;
1527 struct list_objects_filter_options *filter_options;
1528 unsigned int quiet: 1;
1529 unsigned int progress: 1;
1530 unsigned int dissociate: 1;
1531 unsigned int require_init: 1;
1532 int single_branch;
1533 };
1534 #define MODULE_CLONE_DATA_INIT { \
1535 .single_branch = -1, \
1536 }
1537
1538 struct submodule_alternate_setup {
1539 const char *submodule_name;
1540 enum SUBMODULE_ALTERNATE_ERROR_MODE {
1541 SUBMODULE_ALTERNATE_ERROR_DIE,
1542 SUBMODULE_ALTERNATE_ERROR_INFO,
1543 SUBMODULE_ALTERNATE_ERROR_IGNORE
1544 } error_mode;
1545 struct string_list *reference;
1546 };
1547 #define SUBMODULE_ALTERNATE_SETUP_INIT { \
1548 .error_mode = SUBMODULE_ALTERNATE_ERROR_IGNORE, \
1549 }
1550
1551 static const char alternate_error_advice[] = N_(
1552 "An alternate computed from a superproject's alternate is invalid.\n"
1553 "To allow Git to clone without an alternate in such a case, set\n"
1554 "submodule.alternateErrorStrategy to 'info' or, equivalently, clone with\n"
1555 "'--reference-if-able' instead of '--reference'."
1556 );
1557
1558 static int add_possible_reference_from_superproject(
1559 struct object_directory *odb, void *sas_cb)
1560 {
1561 struct submodule_alternate_setup *sas = sas_cb;
1562 size_t len;
1563
1564 /*
1565 * If the alternate object store is another repository, try the
1566 * standard layout with .git/(modules/<name>)+/objects
1567 */
1568 if (strip_suffix(odb->path, "/objects", &len)) {
1569 struct repository alternate;
1570 char *sm_alternate;
1571 struct strbuf sb = STRBUF_INIT;
1572 struct strbuf err = STRBUF_INIT;
1573 strbuf_add(&sb, odb->path, len);
1574
1575 if (repo_init(&alternate, sb.buf, NULL) < 0)
1576 die(_("could not get a repository handle for gitdir '%s'"),
1577 sb.buf);
1578
1579 /*
1580 * We need to end the new path with '/' to mark it as a dir,
1581 * otherwise a submodule name containing '/' will be broken
1582 * as the last part of a missing submodule reference would
1583 * be taken as a file name.
1584 */
1585 strbuf_reset(&sb);
1586 submodule_name_to_gitdir(&sb, &alternate, sas->submodule_name);
1587 strbuf_addch(&sb, '/');
1588 repo_clear(&alternate);
1589
1590 sm_alternate = compute_alternate_path(sb.buf, &err);
1591 if (sm_alternate) {
1592 char *p = strbuf_detach(&sb, NULL);
1593
1594 string_list_append(sas->reference, p)->util = p;
1595 free(sm_alternate);
1596 } else {
1597 switch (sas->error_mode) {
1598 case SUBMODULE_ALTERNATE_ERROR_DIE:
1599 if (advice_enabled(ADVICE_SUBMODULE_ALTERNATE_ERROR_STRATEGY_DIE))
1600 advise(_(alternate_error_advice));
1601 die(_("submodule '%s' cannot add alternate: %s"),
1602 sas->submodule_name, err.buf);
1603 case SUBMODULE_ALTERNATE_ERROR_INFO:
1604 fprintf_ln(stderr, _("submodule '%s' cannot add alternate: %s"),
1605 sas->submodule_name, err.buf);
1606 case SUBMODULE_ALTERNATE_ERROR_IGNORE:
1607 ; /* nothing */
1608 }
1609 }
1610 strbuf_release(&sb);
1611 }
1612
1613 return 0;
1614 }
1615
1616 static void prepare_possible_alternates(const char *sm_name,
1617 struct string_list *reference)
1618 {
1619 char *sm_alternate = NULL, *error_strategy = NULL;
1620 struct submodule_alternate_setup sas = SUBMODULE_ALTERNATE_SETUP_INIT;
1621
1622 git_config_get_string("submodule.alternateLocation", &sm_alternate);
1623 if (!sm_alternate)
1624 return;
1625
1626 git_config_get_string("submodule.alternateErrorStrategy", &error_strategy);
1627
1628 if (!error_strategy)
1629 error_strategy = xstrdup("die");
1630
1631 sas.submodule_name = sm_name;
1632 sas.reference = reference;
1633 if (!strcmp(error_strategy, "die"))
1634 sas.error_mode = SUBMODULE_ALTERNATE_ERROR_DIE;
1635 else if (!strcmp(error_strategy, "info"))
1636 sas.error_mode = SUBMODULE_ALTERNATE_ERROR_INFO;
1637 else if (!strcmp(error_strategy, "ignore"))
1638 sas.error_mode = SUBMODULE_ALTERNATE_ERROR_IGNORE;
1639 else
1640 die(_("Value '%s' for submodule.alternateErrorStrategy is not recognized"), error_strategy);
1641
1642 if (!strcmp(sm_alternate, "superproject"))
1643 foreach_alt_odb(add_possible_reference_from_superproject, &sas);
1644 else if (!strcmp(sm_alternate, "no"))
1645 ; /* do nothing */
1646 else
1647 die(_("Value '%s' for submodule.alternateLocation is not recognized"), sm_alternate);
1648
1649 free(sm_alternate);
1650 free(error_strategy);
1651 }
1652
1653 static char *clone_submodule_sm_gitdir(const char *name)
1654 {
1655 struct strbuf sb = STRBUF_INIT;
1656 char *sm_gitdir;
1657
1658 submodule_name_to_gitdir(&sb, the_repository, name);
1659 sm_gitdir = absolute_pathdup(sb.buf);
1660 strbuf_release(&sb);
1661
1662 return sm_gitdir;
1663 }
1664
1665 static int clone_submodule(const struct module_clone_data *clone_data,
1666 struct string_list *reference)
1667 {
1668 char *p;
1669 char *sm_gitdir = clone_submodule_sm_gitdir(clone_data->name);
1670 char *sm_alternate = NULL, *error_strategy = NULL;
1671 struct child_process cp = CHILD_PROCESS_INIT;
1672 const char *clone_data_path = clone_data->path;
1673 char *to_free = NULL;
1674
1675 if (!is_absolute_path(clone_data->path))
1676 clone_data_path = to_free = xstrfmt("%s/%s", get_git_work_tree(),
1677 clone_data->path);
1678
1679 if (validate_submodule_git_dir(sm_gitdir, clone_data->name) < 0)
1680 die(_("refusing to create/use '%s' in another submodule's "
1681 "git dir"), sm_gitdir);
1682
1683 if (!file_exists(sm_gitdir)) {
1684 if (safe_create_leading_directories_const(sm_gitdir) < 0)
1685 die(_("could not create directory '%s'"), sm_gitdir);
1686
1687 prepare_possible_alternates(clone_data->name, reference);
1688
1689 strvec_push(&cp.args, "clone");
1690 strvec_push(&cp.args, "--no-checkout");
1691 if (clone_data->quiet)
1692 strvec_push(&cp.args, "--quiet");
1693 if (clone_data->progress)
1694 strvec_push(&cp.args, "--progress");
1695 if (clone_data->depth && *(clone_data->depth))
1696 strvec_pushl(&cp.args, "--depth", clone_data->depth, NULL);
1697 if (reference->nr) {
1698 struct string_list_item *item;
1699
1700 for_each_string_list_item(item, reference)
1701 strvec_pushl(&cp.args, "--reference",
1702 item->string, NULL);
1703 }
1704 if (clone_data->dissociate)
1705 strvec_push(&cp.args, "--dissociate");
1706 if (sm_gitdir && *sm_gitdir)
1707 strvec_pushl(&cp.args, "--separate-git-dir", sm_gitdir, NULL);
1708 if (clone_data->filter_options && clone_data->filter_options->choice)
1709 strvec_pushf(&cp.args, "--filter=%s",
1710 expand_list_objects_filter_spec(
1711 clone_data->filter_options));
1712 if (clone_data->single_branch >= 0)
1713 strvec_push(&cp.args, clone_data->single_branch ?
1714 "--single-branch" :
1715 "--no-single-branch");
1716
1717 strvec_push(&cp.args, "--");
1718 strvec_push(&cp.args, clone_data->url);
1719 strvec_push(&cp.args, clone_data_path);
1720
1721 cp.git_cmd = 1;
1722 prepare_submodule_repo_env(&cp.env);
1723 cp.no_stdin = 1;
1724
1725 if(run_command(&cp))
1726 die(_("clone of '%s' into submodule path '%s' failed"),
1727 clone_data->url, clone_data_path);
1728 } else {
1729 char *path;
1730
1731 if (clone_data->require_init && !access(clone_data_path, X_OK) &&
1732 !is_empty_dir(clone_data_path))
1733 die(_("directory not empty: '%s'"), clone_data_path);
1734 if (safe_create_leading_directories_const(clone_data_path) < 0)
1735 die(_("could not create directory '%s'"), clone_data_path);
1736 path = xstrfmt("%s/index", sm_gitdir);
1737 unlink_or_warn(path);
1738 free(path);
1739 }
1740
1741 connect_work_tree_and_git_dir(clone_data_path, sm_gitdir, 0);
1742
1743 p = git_pathdup_submodule(clone_data_path, "config");
1744 if (!p)
1745 die(_("could not get submodule directory for '%s'"), clone_data_path);
1746
1747 /* setup alternateLocation and alternateErrorStrategy in the cloned submodule if needed */
1748 git_config_get_string("submodule.alternateLocation", &sm_alternate);
1749 if (sm_alternate)
1750 git_config_set_in_file(p, "submodule.alternateLocation",
1751 sm_alternate);
1752 git_config_get_string("submodule.alternateErrorStrategy", &error_strategy);
1753 if (error_strategy)
1754 git_config_set_in_file(p, "submodule.alternateErrorStrategy",
1755 error_strategy);
1756
1757 free(sm_alternate);
1758 free(error_strategy);
1759
1760 free(sm_gitdir);
1761 free(p);
1762 free(to_free);
1763 return 0;
1764 }
1765
1766 static int module_clone(int argc, const char **argv, const char *prefix)
1767 {
1768 int dissociate = 0, quiet = 0, progress = 0, require_init = 0;
1769 struct module_clone_data clone_data = MODULE_CLONE_DATA_INIT;
1770 struct string_list reference = STRING_LIST_INIT_NODUP;
1771 struct list_objects_filter_options filter_options =
1772 LIST_OBJECTS_FILTER_INIT;
1773
1774 struct option module_clone_options[] = {
1775 OPT_STRING(0, "prefix", &clone_data.prefix,
1776 N_("path"),
1777 N_("alternative anchor for relative paths")),
1778 OPT_STRING(0, "path", &clone_data.path,
1779 N_("path"),
1780 N_("where the new submodule will be cloned to")),
1781 OPT_STRING(0, "name", &clone_data.name,
1782 N_("string"),
1783 N_("name of the new submodule")),
1784 OPT_STRING(0, "url", &clone_data.url,
1785 N_("string"),
1786 N_("url where to clone the submodule from")),
1787 OPT_STRING_LIST(0, "reference", &reference,
1788 N_("repo"),
1789 N_("reference repository")),
1790 OPT_BOOL(0, "dissociate", &dissociate,
1791 N_("use --reference only while cloning")),
1792 OPT_STRING(0, "depth", &clone_data.depth,
1793 N_("string"),
1794 N_("depth for shallow clones")),
1795 OPT__QUIET(&quiet, "suppress output for cloning a submodule"),
1796 OPT_BOOL(0, "progress", &progress,
1797 N_("force cloning progress")),
1798 OPT_BOOL(0, "require-init", &require_init,
1799 N_("disallow cloning into non-empty directory")),
1800 OPT_BOOL(0, "single-branch", &clone_data.single_branch,
1801 N_("clone only one branch, HEAD or --branch")),
1802 OPT_PARSE_LIST_OBJECTS_FILTER(&filter_options),
1803 OPT_END()
1804 };
1805 const char *const git_submodule_helper_usage[] = {
1806 N_("git submodule--helper clone [--prefix=<path>] [--quiet] "
1807 "[--reference <repository>] [--name <name>] [--depth <depth>] "
1808 "[--single-branch] [--filter <filter-spec>] "
1809 "--url <url> --path <path>"),
1810 NULL
1811 };
1812
1813 argc = parse_options(argc, argv, prefix, module_clone_options,
1814 git_submodule_helper_usage, 0);
1815
1816 clone_data.dissociate = !!dissociate;
1817 clone_data.quiet = !!quiet;
1818 clone_data.progress = !!progress;
1819 clone_data.require_init = !!require_init;
1820 clone_data.filter_options = &filter_options;
1821
1822 if (argc || !clone_data.url || !clone_data.path || !*(clone_data.path))
1823 usage_with_options(git_submodule_helper_usage,
1824 module_clone_options);
1825
1826 clone_submodule(&clone_data, &reference);
1827 list_objects_filter_release(&filter_options);
1828 string_list_clear(&reference, 1);
1829 return 0;
1830 }
1831
1832 static int determine_submodule_update_strategy(struct repository *r,
1833 int just_cloned,
1834 const char *path,
1835 enum submodule_update_type update,
1836 struct submodule_update_strategy *out)
1837 {
1838 const struct submodule *sub = submodule_from_path(r, null_oid(), path);
1839 char *key;
1840 const char *val;
1841 int ret;
1842
1843 key = xstrfmt("submodule.%s.update", sub->name);
1844
1845 if (update) {
1846 out->type = update;
1847 } else if (!repo_config_get_string_tmp(r, key, &val)) {
1848 if (parse_submodule_update_strategy(val, out) < 0) {
1849 ret = die_message(_("Invalid update mode '%s' configured for submodule path '%s'"),
1850 val, path);
1851 goto cleanup;
1852 }
1853 } else if (sub->update_strategy.type != SM_UPDATE_UNSPECIFIED) {
1854 if (sub->update_strategy.type == SM_UPDATE_COMMAND)
1855 BUG("how did we read update = !command from .gitmodules?");
1856 out->type = sub->update_strategy.type;
1857 out->command = sub->update_strategy.command;
1858 } else
1859 out->type = SM_UPDATE_CHECKOUT;
1860
1861 if (just_cloned &&
1862 (out->type == SM_UPDATE_MERGE ||
1863 out->type == SM_UPDATE_REBASE ||
1864 out->type == SM_UPDATE_NONE))
1865 out->type = SM_UPDATE_CHECKOUT;
1866
1867 ret = 0;
1868 cleanup:
1869 free(key);
1870 return ret;
1871 }
1872
1873 struct update_clone_data {
1874 const struct submodule *sub;
1875 struct object_id oid;
1876 unsigned just_cloned;
1877 };
1878
1879 struct submodule_update_clone {
1880 /* index into 'update_data.list', the list of submodules to look into for cloning */
1881 int current;
1882
1883 /* configuration parameters which are passed on to the children */
1884 const struct update_data *update_data;
1885
1886 /* to be consumed by update_submodule() */
1887 struct update_clone_data *update_clone;
1888 int update_clone_nr; int update_clone_alloc;
1889
1890 /* If we want to stop as fast as possible and return an error */
1891 unsigned quickstop : 1;
1892
1893 /* failed clones to be retried again */
1894 const struct cache_entry **failed_clones;
1895 int failed_clones_nr, failed_clones_alloc;
1896 };
1897 #define SUBMODULE_UPDATE_CLONE_INIT { 0 }
1898
1899 static void submodule_update_clone_release(struct submodule_update_clone *suc)
1900 {
1901 free(suc->update_clone);
1902 free(suc->failed_clones);
1903 }
1904
1905 struct update_data {
1906 const char *prefix;
1907 const char *super_prefix;
1908 char *displaypath;
1909 enum submodule_update_type update_default;
1910 struct object_id suboid;
1911 struct string_list references;
1912 struct submodule_update_strategy update_strategy;
1913 struct list_objects_filter_options *filter_options;
1914 struct module_list list;
1915 int depth;
1916 int max_jobs;
1917 int single_branch;
1918 int recommend_shallow;
1919 unsigned int require_init;
1920 unsigned int force;
1921 unsigned int quiet;
1922 unsigned int nofetch;
1923 unsigned int remote;
1924 unsigned int progress;
1925 unsigned int dissociate;
1926 unsigned int init;
1927 unsigned int warn_if_uninitialized;
1928 unsigned int recursive;
1929
1930 /* copied over from update_clone_data */
1931 struct object_id oid;
1932 unsigned int just_cloned;
1933 const char *sm_path;
1934 };
1935 #define UPDATE_DATA_INIT { \
1936 .update_strategy = SUBMODULE_UPDATE_STRATEGY_INIT, \
1937 .list = MODULE_LIST_INIT, \
1938 .recommend_shallow = -1, \
1939 .references = STRING_LIST_INIT_DUP, \
1940 .single_branch = -1, \
1941 .max_jobs = 1, \
1942 }
1943
1944 static void update_data_release(struct update_data *ud)
1945 {
1946 free(ud->displaypath);
1947 module_list_release(&ud->list);
1948 }
1949
1950 static void next_submodule_warn_missing(struct submodule_update_clone *suc,
1951 struct strbuf *out, const char *displaypath)
1952 {
1953 /*
1954 * Only mention uninitialized submodules when their
1955 * paths have been specified.
1956 */
1957 if (suc->update_data->warn_if_uninitialized) {
1958 strbuf_addf(out,
1959 _("Submodule path '%s' not initialized"),
1960 displaypath);
1961 strbuf_addch(out, '\n');
1962 strbuf_addstr(out,
1963 _("Maybe you want to use 'update --init'?"));
1964 strbuf_addch(out, '\n');
1965 }
1966 }
1967
1968 /**
1969 * Determine whether 'ce' needs to be cloned. If so, prepare the 'child' to
1970 * run the clone. Returns 1 if 'ce' needs to be cloned, 0 otherwise.
1971 */
1972 static int prepare_to_clone_next_submodule(const struct cache_entry *ce,
1973 struct child_process *child,
1974 struct submodule_update_clone *suc,
1975 struct strbuf *out)
1976 {
1977 const struct submodule *sub = NULL;
1978 const char *url = NULL;
1979 const char *update_string;
1980 enum submodule_update_type update_type;
1981 char *key;
1982 const struct update_data *ud = suc->update_data;
1983 char *displaypath = get_submodule_displaypath(ce->name, ud->prefix,
1984 ud->super_prefix);
1985 struct strbuf sb = STRBUF_INIT;
1986 int needs_cloning = 0;
1987 int need_free_url = 0;
1988
1989 if (ce_stage(ce)) {
1990 strbuf_addf(out, _("Skipping unmerged submodule %s"), displaypath);
1991 strbuf_addch(out, '\n');
1992 goto cleanup;
1993 }
1994
1995 sub = submodule_from_path(the_repository, null_oid(), ce->name);
1996
1997 if (!sub) {
1998 next_submodule_warn_missing(suc, out, displaypath);
1999 goto cleanup;
2000 }
2001
2002 key = xstrfmt("submodule.%s.update", sub->name);
2003 if (!repo_config_get_string_tmp(the_repository, key, &update_string)) {
2004 update_type = parse_submodule_update_type(update_string);
2005 } else {
2006 update_type = sub->update_strategy.type;
2007 }
2008 free(key);
2009
2010 if (suc->update_data->update_strategy.type == SM_UPDATE_NONE
2011 || (suc->update_data->update_strategy.type == SM_UPDATE_UNSPECIFIED
2012 && update_type == SM_UPDATE_NONE)) {
2013 strbuf_addf(out, _("Skipping submodule '%s'"), displaypath);
2014 strbuf_addch(out, '\n');
2015 goto cleanup;
2016 }
2017
2018 /* Check if the submodule has been initialized. */
2019 if (!is_submodule_active(the_repository, ce->name)) {
2020 next_submodule_warn_missing(suc, out, displaypath);
2021 goto cleanup;
2022 }
2023
2024 strbuf_reset(&sb);
2025 strbuf_addf(&sb, "submodule.%s.url", sub->name);
2026 if (repo_config_get_string_tmp(the_repository, sb.buf, &url)) {
2027 if (starts_with_dot_slash(sub->url) ||
2028 starts_with_dot_dot_slash(sub->url)) {
2029 url = resolve_relative_url(sub->url, NULL, 0);
2030 need_free_url = 1;
2031 } else
2032 url = sub->url;
2033 }
2034
2035 strbuf_reset(&sb);
2036 strbuf_addf(&sb, "%s/.git", ce->name);
2037 needs_cloning = !file_exists(sb.buf);
2038
2039 ALLOC_GROW(suc->update_clone, suc->update_clone_nr + 1,
2040 suc->update_clone_alloc);
2041 oidcpy(&suc->update_clone[suc->update_clone_nr].oid, &ce->oid);
2042 suc->update_clone[suc->update_clone_nr].just_cloned = needs_cloning;
2043 suc->update_clone[suc->update_clone_nr].sub = sub;
2044 suc->update_clone_nr++;
2045
2046 if (!needs_cloning)
2047 goto cleanup;
2048
2049 child->git_cmd = 1;
2050 child->no_stdin = 1;
2051 child->stdout_to_stderr = 1;
2052 child->err = -1;
2053 strvec_push(&child->args, "submodule--helper");
2054 strvec_push(&child->args, "clone");
2055 if (suc->update_data->progress)
2056 strvec_push(&child->args, "--progress");
2057 if (suc->update_data->quiet)
2058 strvec_push(&child->args, "--quiet");
2059 if (suc->update_data->prefix)
2060 strvec_pushl(&child->args, "--prefix", suc->update_data->prefix, NULL);
2061 if (suc->update_data->recommend_shallow && sub->recommend_shallow == 1)
2062 strvec_push(&child->args, "--depth=1");
2063 else if (suc->update_data->depth)
2064 strvec_pushf(&child->args, "--depth=%d", suc->update_data->depth);
2065 if (suc->update_data->filter_options && suc->update_data->filter_options->choice)
2066 strvec_pushf(&child->args, "--filter=%s",
2067 expand_list_objects_filter_spec(suc->update_data->filter_options));
2068 if (suc->update_data->require_init)
2069 strvec_push(&child->args, "--require-init");
2070 strvec_pushl(&child->args, "--path", sub->path, NULL);
2071 strvec_pushl(&child->args, "--name", sub->name, NULL);
2072 strvec_pushl(&child->args, "--url", url, NULL);
2073 if (suc->update_data->references.nr) {
2074 struct string_list_item *item;
2075
2076 for_each_string_list_item(item, &suc->update_data->references)
2077 strvec_pushl(&child->args, "--reference", item->string, NULL);
2078 }
2079 if (suc->update_data->dissociate)
2080 strvec_push(&child->args, "--dissociate");
2081 if (suc->update_data->single_branch >= 0)
2082 strvec_push(&child->args, suc->update_data->single_branch ?
2083 "--single-branch" :
2084 "--no-single-branch");
2085
2086 cleanup:
2087 free(displaypath);
2088 strbuf_release(&sb);
2089 if (need_free_url)
2090 free((void*)url);
2091
2092 return needs_cloning;
2093 }
2094
2095 static int update_clone_get_next_task(struct child_process *child,
2096 struct strbuf *err,
2097 void *suc_cb,
2098 void **idx_task_cb)
2099 {
2100 struct submodule_update_clone *suc = suc_cb;
2101 const struct cache_entry *ce;
2102 int index;
2103
2104 for (; suc->current < suc->update_data->list.nr; suc->current++) {
2105 ce = suc->update_data->list.entries[suc->current];
2106 if (prepare_to_clone_next_submodule(ce, child, suc, err)) {
2107 int *p = xmalloc(sizeof(*p));
2108
2109 *p = suc->current;
2110 *idx_task_cb = p;
2111 suc->current++;
2112 return 1;
2113 }
2114 }
2115
2116 /*
2117 * The loop above tried cloning each submodule once, now try the
2118 * stragglers again, which we can imagine as an extension of the
2119 * entry list.
2120 */
2121 index = suc->current - suc->update_data->list.nr;
2122 if (index < suc->failed_clones_nr) {
2123 int *p;
2124
2125 ce = suc->failed_clones[index];
2126 if (!prepare_to_clone_next_submodule(ce, child, suc, err)) {
2127 suc->current ++;
2128 strbuf_addstr(err, "BUG: submodule considered for "
2129 "cloning, doesn't need cloning "
2130 "any more?\n");
2131 return 0;
2132 }
2133 p = xmalloc(sizeof(*p));
2134 *p = suc->current;
2135 *idx_task_cb = p;
2136 suc->current ++;
2137 return 1;
2138 }
2139
2140 return 0;
2141 }
2142
2143 static int update_clone_start_failure(struct strbuf *err UNUSED,
2144 void *suc_cb,
2145 void *idx_task_cb UNUSED)
2146 {
2147 struct submodule_update_clone *suc = suc_cb;
2148
2149 suc->quickstop = 1;
2150 return 1;
2151 }
2152
2153 static int update_clone_task_finished(int result,
2154 struct strbuf *err,
2155 void *suc_cb,
2156 void *idx_task_cb)
2157 {
2158 const struct cache_entry *ce;
2159 struct submodule_update_clone *suc = suc_cb;
2160 int *idxP = idx_task_cb;
2161 int idx = *idxP;
2162
2163 free(idxP);
2164
2165 if (!result)
2166 return 0;
2167
2168 if (idx < suc->update_data->list.nr) {
2169 ce = suc->update_data->list.entries[idx];
2170 strbuf_addf(err, _("Failed to clone '%s'. Retry scheduled"),
2171 ce->name);
2172 strbuf_addch(err, '\n');
2173 ALLOC_GROW(suc->failed_clones,
2174 suc->failed_clones_nr + 1,
2175 suc->failed_clones_alloc);
2176 suc->failed_clones[suc->failed_clones_nr++] = ce;
2177 return 0;
2178 } else {
2179 idx -= suc->update_data->list.nr;
2180 ce = suc->failed_clones[idx];
2181 strbuf_addf(err, _("Failed to clone '%s' a second time, aborting"),
2182 ce->name);
2183 strbuf_addch(err, '\n');
2184 suc->quickstop = 1;
2185 return 1;
2186 }
2187
2188 return 0;
2189 }
2190
2191 static int git_update_clone_config(const char *var, const char *value,
2192 void *cb)
2193 {
2194 int *max_jobs = cb;
2195
2196 if (!strcmp(var, "submodule.fetchjobs"))
2197 *max_jobs = parse_submodule_fetchjobs(var, value);
2198 return 0;
2199 }
2200
2201 static int is_tip_reachable(const char *path, const struct object_id *oid)
2202 {
2203 struct child_process cp = CHILD_PROCESS_INIT;
2204 struct strbuf rev = STRBUF_INIT;
2205 char *hex = oid_to_hex(oid);
2206
2207 cp.git_cmd = 1;
2208 cp.dir = path;
2209 cp.no_stderr = 1;
2210 strvec_pushl(&cp.args, "rev-list", "-n", "1", hex, "--not", "--all", NULL);
2211
2212 prepare_submodule_repo_env(&cp.env);
2213
2214 if (capture_command(&cp, &rev, GIT_MAX_HEXSZ + 1) || rev.len)
2215 return 0;
2216
2217 return 1;
2218 }
2219
2220 static int fetch_in_submodule(const char *module_path, int depth, int quiet,
2221 const struct object_id *oid)
2222 {
2223 struct child_process cp = CHILD_PROCESS_INIT;
2224
2225 prepare_submodule_repo_env(&cp.env);
2226 cp.git_cmd = 1;
2227 cp.dir = module_path;
2228
2229 strvec_push(&cp.args, "fetch");
2230 if (quiet)
2231 strvec_push(&cp.args, "--quiet");
2232 if (depth)
2233 strvec_pushf(&cp.args, "--depth=%d", depth);
2234 if (oid) {
2235 char *hex = oid_to_hex(oid);
2236 char *remote = get_default_remote();
2237
2238 strvec_pushl(&cp.args, remote, hex, NULL);
2239 free(remote);
2240 }
2241
2242 return run_command(&cp);
2243 }
2244
2245 static int run_update_command(const struct update_data *ud, int subforce)
2246 {
2247 struct child_process cp = CHILD_PROCESS_INIT;
2248 char *oid = oid_to_hex(&ud->oid);
2249 int ret;
2250
2251 switch (ud->update_strategy.type) {
2252 case SM_UPDATE_CHECKOUT:
2253 cp.git_cmd = 1;
2254 strvec_pushl(&cp.args, "checkout", "-q", NULL);
2255 if (subforce)
2256 strvec_push(&cp.args, "-f");
2257 break;
2258 case SM_UPDATE_REBASE:
2259 cp.git_cmd = 1;
2260 strvec_push(&cp.args, "rebase");
2261 if (ud->quiet)
2262 strvec_push(&cp.args, "--quiet");
2263 break;
2264 case SM_UPDATE_MERGE:
2265 cp.git_cmd = 1;
2266 strvec_push(&cp.args, "merge");
2267 if (ud->quiet)
2268 strvec_push(&cp.args, "--quiet");
2269 break;
2270 case SM_UPDATE_COMMAND:
2271 cp.use_shell = 1;
2272 strvec_push(&cp.args, ud->update_strategy.command);
2273 break;
2274 default:
2275 BUG("unexpected update strategy type: %d",
2276 ud->update_strategy.type);
2277 }
2278 strvec_push(&cp.args, oid);
2279
2280 cp.dir = ud->sm_path;
2281 prepare_submodule_repo_env(&cp.env);
2282 if ((ret = run_command(&cp))) {
2283 switch (ud->update_strategy.type) {
2284 case SM_UPDATE_CHECKOUT:
2285 die_message(_("Unable to checkout '%s' in submodule path '%s'"),
2286 oid, ud->displaypath);
2287 /* No "ret" assignment, use "git checkout"'s */
2288 break;
2289 case SM_UPDATE_REBASE:
2290 ret = die_message(_("Unable to rebase '%s' in submodule path '%s'"),
2291 oid, ud->displaypath);
2292 break;
2293 case SM_UPDATE_MERGE:
2294 ret = die_message(_("Unable to merge '%s' in submodule path '%s'"),
2295 oid, ud->displaypath);
2296 break;
2297 case SM_UPDATE_COMMAND:
2298 ret = die_message(_("Execution of '%s %s' failed in submodule path '%s'"),
2299 ud->update_strategy.command, oid, ud->displaypath);
2300 break;
2301 default:
2302 BUG("unexpected update strategy type: %d",
2303 ud->update_strategy.type);
2304 }
2305
2306 return ret;
2307 }
2308
2309 if (ud->quiet)
2310 return 0;
2311
2312 switch (ud->update_strategy.type) {
2313 case SM_UPDATE_CHECKOUT:
2314 printf(_("Submodule path '%s': checked out '%s'\n"),
2315 ud->displaypath, oid);
2316 break;
2317 case SM_UPDATE_REBASE:
2318 printf(_("Submodule path '%s': rebased into '%s'\n"),
2319 ud->displaypath, oid);
2320 break;
2321 case SM_UPDATE_MERGE:
2322 printf(_("Submodule path '%s': merged in '%s'\n"),
2323 ud->displaypath, oid);
2324 break;
2325 case SM_UPDATE_COMMAND:
2326 printf(_("Submodule path '%s': '%s %s'\n"),
2327 ud->displaypath, ud->update_strategy.command, oid);
2328 break;
2329 default:
2330 BUG("unexpected update strategy type: %d",
2331 ud->update_strategy.type);
2332 }
2333
2334 return 0;
2335 }
2336
2337 static int run_update_procedure(const struct update_data *ud)
2338 {
2339 int subforce = is_null_oid(&ud->suboid) || ud->force;
2340
2341 if (!ud->nofetch) {
2342 /*
2343 * Run fetch only if `oid` isn't present or it
2344 * is not reachable from a ref.
2345 */
2346 if (!is_tip_reachable(ud->sm_path, &ud->oid) &&
2347 fetch_in_submodule(ud->sm_path, ud->depth, ud->quiet, NULL) &&
2348 !ud->quiet)
2349 fprintf_ln(stderr,
2350 _("Unable to fetch in submodule path '%s'; "
2351 "trying to directly fetch %s:"),
2352 ud->displaypath, oid_to_hex(&ud->oid));
2353 /*
2354 * Now we tried the usual fetch, but `oid` may
2355 * not be reachable from any of the refs.
2356 */
2357 if (!is_tip_reachable(ud->sm_path, &ud->oid) &&
2358 fetch_in_submodule(ud->sm_path, ud->depth, ud->quiet, &ud->oid))
2359 return die_message(_("Fetched in submodule path '%s', but it did not "
2360 "contain %s. Direct fetching of that commit failed."),
2361 ud->displaypath, oid_to_hex(&ud->oid));
2362 }
2363
2364 return run_update_command(ud, subforce);
2365 }
2366
2367 static int remote_submodule_branch(const char *path, const char **branch)
2368 {
2369 const struct submodule *sub;
2370 char *key;
2371 *branch = NULL;
2372
2373 sub = submodule_from_path(the_repository, null_oid(), path);
2374 if (!sub)
2375 return die_message(_("could not initialize submodule at path '%s'"),
2376 path);
2377
2378 key = xstrfmt("submodule.%s.branch", sub->name);
2379 if (repo_config_get_string_tmp(the_repository, key, branch))
2380 *branch = sub->branch;
2381 free(key);
2382
2383 if (!*branch) {
2384 *branch = "HEAD";
2385 return 0;
2386 }
2387
2388 if (!strcmp(*branch, ".")) {
2389 const char *refname = resolve_ref_unsafe("HEAD", 0, NULL, NULL);
2390
2391 if (!refname)
2392 return die_message(_("No such ref: %s"), "HEAD");
2393
2394 /* detached HEAD */
2395 if (!strcmp(refname, "HEAD"))
2396 return die_message(_("Submodule (%s) branch configured to inherit "
2397 "branch from superproject, but the superproject "
2398 "is not on any branch"), sub->name);
2399
2400 if (!skip_prefix(refname, "refs/heads/", &refname))
2401 return die_message(_("Expecting a full ref name, got %s"),
2402 refname);
2403
2404 *branch = refname;
2405 return 0;
2406 }
2407
2408 /* Our "branch" is coming from repo_config_get_string_tmp() */
2409 return 0;
2410 }
2411
2412 static int ensure_core_worktree(const char *path)
2413 {
2414 const char *cw;
2415 struct repository subrepo;
2416
2417 if (repo_submodule_init(&subrepo, the_repository, path, null_oid()))
2418 return die_message(_("could not get a repository handle for submodule '%s'"),
2419 path);
2420
2421 if (!repo_config_get_string_tmp(&subrepo, "core.worktree", &cw)) {
2422 char *cfg_file, *abs_path;
2423 const char *rel_path;
2424 struct strbuf sb = STRBUF_INIT;
2425
2426 cfg_file = repo_git_path(&subrepo, "config");
2427
2428 abs_path = absolute_pathdup(path);
2429 rel_path = relative_path(abs_path, subrepo.gitdir, &sb);
2430
2431 git_config_set_in_file(cfg_file, "core.worktree", rel_path);
2432
2433 free(cfg_file);
2434 free(abs_path);
2435 strbuf_release(&sb);
2436 }
2437
2438 repo_clear(&subrepo);
2439 return 0;
2440 }
2441
2442 static const char *submodule_update_type_to_label(enum submodule_update_type type)
2443 {
2444 switch (type) {
2445 case SM_UPDATE_CHECKOUT:
2446 return "checkout";
2447 case SM_UPDATE_MERGE:
2448 return "merge";
2449 case SM_UPDATE_REBASE:
2450 return "rebase";
2451 case SM_UPDATE_UNSPECIFIED:
2452 case SM_UPDATE_NONE:
2453 case SM_UPDATE_COMMAND:
2454 break;
2455 }
2456 BUG("unreachable with type %d", type);
2457 }
2458
2459 static void update_data_to_args(const struct update_data *update_data,
2460 struct strvec *args)
2461 {
2462 enum submodule_update_type update_type = update_data->update_default;
2463
2464 strvec_pushl(args, "submodule--helper", "update", "--recursive", NULL);
2465 if (update_data->displaypath) {
2466 strvec_push(args, "--super-prefix");
2467 strvec_pushf(args, "%s/", update_data->displaypath);
2468 }
2469 strvec_pushf(args, "--jobs=%d", update_data->max_jobs);
2470 if (update_data->quiet)
2471 strvec_push(args, "--quiet");
2472 if (update_data->force)
2473 strvec_push(args, "--force");
2474 if (update_data->init)
2475 strvec_push(args, "--init");
2476 if (update_data->remote)
2477 strvec_push(args, "--remote");
2478 if (update_data->nofetch)
2479 strvec_push(args, "--no-fetch");
2480 if (update_data->dissociate)
2481 strvec_push(args, "--dissociate");
2482 if (update_data->progress)
2483 strvec_push(args, "--progress");
2484 if (update_data->require_init)
2485 strvec_push(args, "--require-init");
2486 if (update_data->depth)
2487 strvec_pushf(args, "--depth=%d", update_data->depth);
2488 if (update_type != SM_UPDATE_UNSPECIFIED)
2489 strvec_pushf(args, "--%s",
2490 submodule_update_type_to_label(update_type));
2491
2492 if (update_data->references.nr) {
2493 struct string_list_item *item;
2494
2495 for_each_string_list_item(item, &update_data->references)
2496 strvec_pushl(args, "--reference", item->string, NULL);
2497 }
2498 if (update_data->filter_options && update_data->filter_options->choice)
2499 strvec_pushf(args, "--filter=%s",
2500 expand_list_objects_filter_spec(
2501 update_data->filter_options));
2502 if (update_data->recommend_shallow == 0)
2503 strvec_push(args, "--no-recommend-shallow");
2504 else if (update_data->recommend_shallow == 1)
2505 strvec_push(args, "--recommend-shallow");
2506 if (update_data->single_branch >= 0)
2507 strvec_push(args, update_data->single_branch ?
2508 "--single-branch" :
2509 "--no-single-branch");
2510 }
2511
2512 static int update_submodule(struct update_data *update_data)
2513 {
2514 int ret;
2515
2516 ret = determine_submodule_update_strategy(the_repository,
2517 update_data->just_cloned,
2518 update_data->sm_path,
2519 update_data->update_default,
2520 &update_data->update_strategy);
2521 if (ret)
2522 return ret;
2523
2524 if (update_data->just_cloned)
2525 oidcpy(&update_data->suboid, null_oid());
2526 else if (resolve_gitlink_ref(update_data->sm_path, "HEAD", &update_data->suboid))
2527 return die_message(_("Unable to find current revision in submodule path '%s'"),
2528 update_data->displaypath);
2529
2530 if (update_data->remote) {
2531 char *remote_name;
2532 const char *branch;
2533 char *remote_ref;
2534 int code;
2535
2536 code = get_default_remote_submodule(update_data->sm_path, &remote_name);
2537 if (code)
2538 return code;
2539 code = remote_submodule_branch(update_data->sm_path, &branch);
2540 if (code)
2541 return code;
2542 remote_ref = xstrfmt("refs/remotes/%s/%s", remote_name, branch);
2543
2544 free(remote_name);
2545
2546 if (!update_data->nofetch) {
2547 if (fetch_in_submodule(update_data->sm_path, update_data->depth,
2548 0, NULL))
2549 return die_message(_("Unable to fetch in submodule path '%s'"),
2550 update_data->sm_path);
2551 }
2552
2553 if (resolve_gitlink_ref(update_data->sm_path, remote_ref, &update_data->oid))
2554 return die_message(_("Unable to find %s revision in submodule path '%s'"),
2555 remote_ref, update_data->sm_path);
2556
2557 free(remote_ref);
2558 }
2559
2560 if (!oideq(&update_data->oid, &update_data->suboid) || update_data->force) {
2561 ret = run_update_procedure(update_data);
2562 if (ret)
2563 return ret;
2564 }
2565
2566 if (update_data->recursive) {
2567 struct child_process cp = CHILD_PROCESS_INIT;
2568 struct update_data next = *update_data;
2569
2570 next.prefix = NULL;
2571 oidcpy(&next.oid, null_oid());
2572 oidcpy(&next.suboid, null_oid());
2573
2574 cp.dir = update_data->sm_path;
2575 cp.git_cmd = 1;
2576 prepare_submodule_repo_env(&cp.env);
2577 update_data_to_args(&next, &cp.args);
2578
2579 ret = run_command(&cp);
2580 if (ret)
2581 die_message(_("Failed to recurse into submodule path '%s'"),
2582 update_data->displaypath);
2583 return ret;
2584 }
2585
2586 return 0;
2587 }
2588
2589 static int update_submodules(struct update_data *update_data)
2590 {
2591 int i, ret = 0;
2592 struct submodule_update_clone suc = SUBMODULE_UPDATE_CLONE_INIT;
2593 const struct run_process_parallel_opts opts = {
2594 .tr2_category = "submodule",
2595 .tr2_label = "parallel/update",
2596
2597 .processes = update_data->max_jobs,
2598
2599 .get_next_task = update_clone_get_next_task,
2600 .start_failure = update_clone_start_failure,
2601 .task_finished = update_clone_task_finished,
2602 .data = &suc,
2603 };
2604
2605 suc.update_data = update_data;
2606 run_processes_parallel(&opts);
2607
2608 /*
2609 * We saved the output and put it out all at once now.
2610 * That means:
2611 * - the listener does not have to interleave their (checkout)
2612 * work with our fetching. The writes involved in a
2613 * checkout involve more straightforward sequential I/O.
2614 * - the listener can avoid doing any work if fetching failed.
2615 */
2616 if (suc.quickstop) {
2617 ret = 1;
2618 goto cleanup;
2619 }
2620
2621 for (i = 0; i < suc.update_clone_nr; i++) {
2622 struct update_clone_data ucd = suc.update_clone[i];
2623 int code;
2624
2625 oidcpy(&update_data->oid, &ucd.oid);
2626 update_data->just_cloned = ucd.just_cloned;
2627 update_data->sm_path = ucd.sub->path;
2628
2629 code = ensure_core_worktree(update_data->sm_path);
2630 if (code)
2631 goto fail;
2632
2633 update_data->displaypath = get_submodule_displaypath(
2634 update_data->sm_path, update_data->prefix,
2635 update_data->super_prefix);
2636 code = update_submodule(update_data);
2637 FREE_AND_NULL(update_data->displaypath);
2638 fail:
2639 if (!code)
2640 continue;
2641 ret = code;
2642 if (ret == 128)
2643 goto cleanup;
2644 }
2645
2646 cleanup:
2647 submodule_update_clone_release(&suc);
2648 string_list_clear(&update_data->references, 0);
2649 return ret;
2650 }
2651
2652 static int module_update(int argc, const char **argv, const char *prefix)
2653 {
2654 struct pathspec pathspec = { 0 };
2655 struct pathspec pathspec2 = { 0 };
2656 struct update_data opt = UPDATE_DATA_INIT;
2657 struct list_objects_filter_options filter_options =
2658 LIST_OBJECTS_FILTER_INIT;
2659 int ret;
2660 struct option module_update_options[] = {
2661 OPT__SUPER_PREFIX(&opt.super_prefix),
2662 OPT__FORCE(&opt.force, N_("force checkout updates"), 0),
2663 OPT_BOOL(0, "init", &opt.init,
2664 N_("initialize uninitialized submodules before update")),
2665 OPT_BOOL(0, "remote", &opt.remote,
2666 N_("use SHA-1 of submodule's remote tracking branch")),
2667 OPT_BOOL(0, "recursive", &opt.recursive,
2668 N_("traverse submodules recursively")),
2669 OPT_BOOL('N', "no-fetch", &opt.nofetch,
2670 N_("don't fetch new objects from the remote site")),
2671 OPT_SET_INT(0, "checkout", &opt.update_default,
2672 N_("use the 'checkout' update strategy (default)"),
2673 SM_UPDATE_CHECKOUT),
2674 OPT_SET_INT('m', "merge", &opt.update_default,
2675 N_("use the 'merge' update strategy"),
2676 SM_UPDATE_MERGE),
2677 OPT_SET_INT('r', "rebase", &opt.update_default,
2678 N_("use the 'rebase' update strategy"),
2679 SM_UPDATE_REBASE),
2680 OPT_STRING_LIST(0, "reference", &opt.references, N_("repo"),
2681 N_("reference repository")),
2682 OPT_BOOL(0, "dissociate", &opt.dissociate,
2683 N_("use --reference only while cloning")),
2684 OPT_INTEGER(0, "depth", &opt.depth,
2685 N_("create a shallow clone truncated to the "
2686 "specified number of revisions")),
2687 OPT_INTEGER('j', "jobs", &opt.max_jobs,
2688 N_("parallel jobs")),
2689 OPT_BOOL(0, "recommend-shallow", &opt.recommend_shallow,
2690 N_("whether the initial clone should follow the shallow recommendation")),
2691 OPT__QUIET(&opt.quiet, N_("don't print cloning progress")),
2692 OPT_BOOL(0, "progress", &opt.progress,
2693 N_("force cloning progress")),
2694 OPT_BOOL(0, "require-init", &opt.require_init,
2695 N_("disallow cloning into non-empty directory, implies --init")),
2696 OPT_BOOL(0, "single-branch", &opt.single_branch,
2697 N_("clone only one branch, HEAD or --branch")),
2698 OPT_PARSE_LIST_OBJECTS_FILTER(&filter_options),
2699 OPT_END()
2700 };
2701 const char *const git_submodule_helper_usage[] = {
2702 N_("git submodule [--quiet] update"
2703 " [--init [--filter=<filter-spec>]] [--remote]"
2704 " [-N|--no-fetch] [-f|--force]"
2705 " [--checkout|--merge|--rebase]"
2706 " [--[no-]recommend-shallow] [--reference <repository>]"
2707 " [--recursive] [--[no-]single-branch] [--] [<path>...]"),
2708 NULL
2709 };
2710
2711 update_clone_config_from_gitmodules(&opt.max_jobs);
2712 git_config(git_update_clone_config, &opt.max_jobs);
2713
2714 argc = parse_options(argc, argv, prefix, module_update_options,
2715 git_submodule_helper_usage, 0);
2716
2717 if (opt.require_init)
2718 opt.init = 1;
2719
2720 if (filter_options.choice && !opt.init) {
2721 usage_with_options(git_submodule_helper_usage,
2722 module_update_options);
2723 }
2724
2725 opt.filter_options = &filter_options;
2726 opt.prefix = prefix;
2727
2728 if (opt.update_default)
2729 opt.update_strategy.type = opt.update_default;
2730
2731 if (module_list_compute(argv, prefix, &pathspec, &opt.list) < 0) {
2732 ret = 1;
2733 goto cleanup;
2734 }
2735
2736 if (pathspec.nr)
2737 opt.warn_if_uninitialized = 1;
2738
2739 if (opt.init) {
2740 struct module_list list = MODULE_LIST_INIT;
2741 struct init_cb info = INIT_CB_INIT;
2742
2743 if (module_list_compute(argv, opt.prefix,
2744 &pathspec2, &list) < 0) {
2745 module_list_release(&list);
2746 ret = 1;
2747 goto cleanup;
2748 }
2749
2750 /*
2751 * If there are no path args and submodule.active is set then,
2752 * by default, only initialize 'active' modules.
2753 */
2754 if (!argc && !git_config_get("submodule.active"))
2755 module_list_active(&list);
2756
2757 info.prefix = opt.prefix;
2758 info.super_prefix = opt.super_prefix;
2759 if (opt.quiet)
2760 info.flags |= OPT_QUIET;
2761
2762 for_each_listed_submodule(&list, init_submodule_cb, &info);
2763 module_list_release(&list);
2764 }
2765
2766 ret = update_submodules(&opt);
2767 cleanup:
2768 update_data_release(&opt);
2769 list_objects_filter_release(&filter_options);
2770 clear_pathspec(&pathspec);
2771 clear_pathspec(&pathspec2);
2772 return ret;
2773 }
2774
2775 static int push_check(int argc, const char **argv, const char *prefix UNUSED)
2776 {
2777 struct remote *remote;
2778 const char *superproject_head;
2779 char *head;
2780 int detached_head = 0;
2781 struct object_id head_oid;
2782
2783 if (argc < 3)
2784 die("submodule--helper push-check requires at least 2 arguments");
2785
2786 /*
2787 * superproject's resolved head ref.
2788 * if HEAD then the superproject is in a detached head state, otherwise
2789 * it will be the resolved head ref.
2790 */
2791 superproject_head = argv[1];
2792 argv++;
2793 argc--;
2794 /* Get the submodule's head ref and determine if it is detached */
2795 head = resolve_refdup("HEAD", 0, &head_oid, NULL);
2796 if (!head)
2797 die(_("Failed to resolve HEAD as a valid ref."));
2798 if (!strcmp(head, "HEAD"))
2799 detached_head = 1;
2800
2801 /*
2802 * The remote must be configured.
2803 * This is to avoid pushing to the exact same URL as the parent.
2804 */
2805 remote = pushremote_get(argv[1]);
2806 if (!remote || remote->origin == REMOTE_UNCONFIGURED)
2807 die("remote '%s' not configured", argv[1]);
2808
2809 /* Check the refspec */
2810 if (argc > 2) {
2811 int i;
2812 struct ref *local_refs = get_local_heads();
2813 struct refspec refspec = REFSPEC_INIT_PUSH;
2814
2815 refspec_appendn(&refspec, argv + 2, argc - 2);
2816
2817 for (i = 0; i < refspec.nr; i++) {
2818 const struct refspec_item *rs = &refspec.items[i];
2819
2820 if (rs->pattern || rs->matching)
2821 continue;
2822
2823 /* LHS must match a single ref */
2824 switch (count_refspec_match(rs->src, local_refs, NULL)) {
2825 case 1:
2826 break;
2827 case 0:
2828 /*
2829 * If LHS matches 'HEAD' then we need to ensure
2830 * that it matches the same named branch
2831 * checked out in the superproject.
2832 */
2833 if (!strcmp(rs->src, "HEAD")) {
2834 if (!detached_head &&
2835 !strcmp(head, superproject_head))
2836 break;
2837 die("HEAD does not match the named branch in the superproject");
2838 }
2839 /* fallthrough */
2840 default:
2841 die("src refspec '%s' must name a ref",
2842 rs->src);
2843 }
2844 }
2845 refspec_clear(&refspec);
2846 }
2847 free(head);
2848
2849 return 0;
2850 }
2851
2852 static int absorb_git_dirs(int argc, const char **argv, const char *prefix)
2853 {
2854 int i;
2855 struct pathspec pathspec = { 0 };
2856 struct module_list list = MODULE_LIST_INIT;
2857 const char *super_prefix = NULL;
2858 struct option embed_gitdir_options[] = {
2859 OPT__SUPER_PREFIX(&super_prefix),
2860 OPT_END()
2861 };
2862 const char *const git_submodule_helper_usage[] = {
2863 N_("git submodule absorbgitdirs [<options>] [<path>...]"),
2864 NULL
2865 };
2866 int ret = 1;
2867
2868 argc = parse_options(argc, argv, prefix, embed_gitdir_options,
2869 git_submodule_helper_usage, 0);
2870
2871 if (module_list_compute(argv, prefix, &pathspec, &list) < 0)
2872 goto cleanup;
2873
2874 for (i = 0; i < list.nr; i++)
2875 absorb_git_dir_into_superproject(list.entries[i]->name,
2876 super_prefix);
2877
2878 ret = 0;
2879 cleanup:
2880 clear_pathspec(&pathspec);
2881 module_list_release(&list);
2882 return ret;
2883 }
2884
2885 static int module_set_url(int argc, const char **argv, const char *prefix)
2886 {
2887 int quiet = 0;
2888 const char *newurl;
2889 const char *path;
2890 char *config_name;
2891 struct option options[] = {
2892 OPT__QUIET(&quiet, N_("suppress output for setting url of a submodule")),
2893 OPT_END()
2894 };
2895 const char *const usage[] = {
2896 N_("git submodule set-url [--quiet] <path> <newurl>"),
2897 NULL
2898 };
2899
2900 argc = parse_options(argc, argv, prefix, options, usage, 0);
2901
2902 if (argc != 2 || !(path = argv[0]) || !(newurl = argv[1]))
2903 usage_with_options(usage, options);
2904
2905 config_name = xstrfmt("submodule.%s.url", path);
2906
2907 config_set_in_gitmodules_file_gently(config_name, newurl);
2908 sync_submodule(path, prefix, NULL, quiet ? OPT_QUIET : 0);
2909
2910 free(config_name);
2911
2912 return 0;
2913 }
2914
2915 static int module_set_branch(int argc, const char **argv, const char *prefix)
2916 {
2917 int opt_default = 0, ret;
2918 const char *opt_branch = NULL;
2919 const char *path;
2920 char *config_name;
2921 struct option options[] = {
2922 /*
2923 * We accept the `quiet` option for uniformity across subcommands,
2924 * though there is nothing to make less verbose in this subcommand.
2925 */
2926 OPT_NOOP_NOARG('q', "quiet"),
2927
2928 OPT_BOOL('d', "default", &opt_default,
2929 N_("set the default tracking branch to master")),
2930 OPT_STRING('b', "branch", &opt_branch, N_("branch"),
2931 N_("set the default tracking branch")),
2932 OPT_END()
2933 };
2934 const char *const usage[] = {
2935 N_("git submodule set-branch [-q|--quiet] (-d|--default) <path>"),
2936 N_("git submodule set-branch [-q|--quiet] (-b|--branch) <branch> <path>"),
2937 NULL
2938 };
2939
2940 argc = parse_options(argc, argv, prefix, options, usage, 0);
2941
2942 if (!opt_branch && !opt_default)
2943 die(_("--branch or --default required"));
2944
2945 if (opt_branch && opt_default)
2946 die(_("options '%s' and '%s' cannot be used together"), "--branch", "--default");
2947
2948 if (argc != 1 || !(path = argv[0]))
2949 usage_with_options(usage, options);
2950
2951 config_name = xstrfmt("submodule.%s.branch", path);
2952 ret = config_set_in_gitmodules_file_gently(config_name, opt_branch);
2953
2954 free(config_name);
2955 return !!ret;
2956 }
2957
2958 static int module_create_branch(int argc, const char **argv, const char *prefix)
2959 {
2960 enum branch_track track;
2961 int quiet = 0, force = 0, reflog = 0, dry_run = 0;
2962 struct option options[] = {
2963 OPT__QUIET(&quiet, N_("print only error messages")),
2964 OPT__FORCE(&force, N_("force creation"), 0),
2965 OPT_BOOL(0, "create-reflog", &reflog,
2966 N_("create the branch's reflog")),
2967 OPT_CALLBACK_F('t', "track", &track, "(direct|inherit)",
2968 N_("set branch tracking configuration"),
2969 PARSE_OPT_OPTARG,
2970 parse_opt_tracking_mode),
2971 OPT__DRY_RUN(&dry_run,
2972 N_("show whether the branch would be created")),
2973 OPT_END()
2974 };
2975 const char *const usage[] = {
2976 N_("git submodule--helper create-branch [-f|--force] [--create-reflog] [-q|--quiet] [-t|--track] [-n|--dry-run] <name> <start-oid> <start-name>"),
2977 NULL
2978 };
2979
2980 git_config(git_default_config, NULL);
2981 track = git_branch_track;
2982 argc = parse_options(argc, argv, prefix, options, usage, 0);
2983
2984 if (argc != 3)
2985 usage_with_options(usage, options);
2986
2987 if (!quiet && !dry_run)
2988 printf_ln(_("creating branch '%s'"), argv[0]);
2989
2990 create_branches_recursively(the_repository, argv[0], argv[1], argv[2],
2991 force, reflog, quiet, track, dry_run);
2992 return 0;
2993 }
2994
2995 struct add_data {
2996 const char *prefix;
2997 const char *branch;
2998 const char *reference_path;
2999 char *sm_path;
3000 const char *sm_name;
3001 const char *repo;
3002 const char *realrepo;
3003 int depth;
3004 unsigned int force: 1;
3005 unsigned int quiet: 1;
3006 unsigned int progress: 1;
3007 unsigned int dissociate: 1;
3008 };
3009 #define ADD_DATA_INIT { .depth = -1 }
3010
3011 static void append_fetch_remotes(struct strbuf *msg, const char *git_dir_path)
3012 {
3013 struct child_process cp_remote = CHILD_PROCESS_INIT;
3014 struct strbuf sb_remote_out = STRBUF_INIT;
3015
3016 cp_remote.git_cmd = 1;
3017 strvec_pushf(&cp_remote.env,
3018 "GIT_DIR=%s", git_dir_path);
3019 strvec_push(&cp_remote.env, "GIT_WORK_TREE=.");
3020 strvec_pushl(&cp_remote.args, "remote", "-v", NULL);
3021 if (!capture_command(&cp_remote, &sb_remote_out, 0)) {
3022 char *next_line;
3023 char *line = sb_remote_out.buf;
3024
3025 while ((next_line = strchr(line, '\n')) != NULL) {
3026 size_t len = next_line - line;
3027
3028 if (strip_suffix_mem(line, &len, " (fetch)"))
3029 strbuf_addf(msg, " %.*s\n", (int)len, line);
3030 line = next_line + 1;
3031 }
3032 }
3033
3034 strbuf_release(&sb_remote_out);
3035 }
3036
3037 static int add_submodule(const struct add_data *add_data)
3038 {
3039 char *submod_gitdir_path;
3040 struct module_clone_data clone_data = MODULE_CLONE_DATA_INIT;
3041 struct string_list reference = STRING_LIST_INIT_NODUP;
3042 int ret = -1;
3043
3044 /* perhaps the path already exists and is already a git repo, else clone it */
3045 if (is_directory(add_data->sm_path)) {
3046 struct strbuf sm_path = STRBUF_INIT;
3047 strbuf_addstr(&sm_path, add_data->sm_path);
3048 submod_gitdir_path = xstrfmt("%s/.git", add_data->sm_path);
3049 if (is_nonbare_repository_dir(&sm_path))
3050 printf(_("Adding existing repo at '%s' to the index\n"),
3051 add_data->sm_path);
3052 else
3053 die(_("'%s' already exists and is not a valid git repo"),
3054 add_data->sm_path);
3055 strbuf_release(&sm_path);
3056 free(submod_gitdir_path);
3057 } else {
3058 struct child_process cp = CHILD_PROCESS_INIT;
3059
3060 submod_gitdir_path = xstrfmt(".git/modules/%s", add_data->sm_name);
3061
3062 if (is_directory(submod_gitdir_path)) {
3063 if (!add_data->force) {
3064 struct strbuf msg = STRBUF_INIT;
3065 char *die_msg;
3066
3067 strbuf_addf(&msg, _("A git directory for '%s' is found "
3068 "locally with remote(s):\n"),
3069 add_data->sm_name);
3070
3071 append_fetch_remotes(&msg, submod_gitdir_path);
3072 free(submod_gitdir_path);
3073
3074 strbuf_addf(&msg, _("If you want to reuse this local git "
3075 "directory instead of cloning again from\n"
3076 " %s\n"
3077 "use the '--force' option. If the local git "
3078 "directory is not the correct repo\n"
3079 "or you are unsure what this means choose "
3080 "another name with the '--name' option."),
3081 add_data->realrepo);
3082
3083 die_msg = strbuf_detach(&msg, NULL);
3084 die("%s", die_msg);
3085 } else {
3086 printf(_("Reactivating local git directory for "
3087 "submodule '%s'\n"), add_data->sm_name);
3088 }
3089 }
3090 free(submod_gitdir_path);
3091
3092 clone_data.prefix = add_data->prefix;
3093 clone_data.path = add_data->sm_path;
3094 clone_data.name = add_data->sm_name;
3095 clone_data.url = add_data->realrepo;
3096 clone_data.quiet = add_data->quiet;
3097 clone_data.progress = add_data->progress;
3098 if (add_data->reference_path) {
3099 char *p = xstrdup(add_data->reference_path);
3100
3101 string_list_append(&reference, p)->util = p;
3102 }
3103 clone_data.dissociate = add_data->dissociate;
3104 if (add_data->depth >= 0)
3105 clone_data.depth = xstrfmt("%d", add_data->depth);
3106
3107 if (clone_submodule(&clone_data, &reference))
3108 goto cleanup;
3109
3110 prepare_submodule_repo_env(&cp.env);
3111 cp.git_cmd = 1;
3112 cp.dir = add_data->sm_path;
3113 /*
3114 * NOTE: we only get here if add_data->force is true, so
3115 * passing --force to checkout is reasonable.
3116 */
3117 strvec_pushl(&cp.args, "checkout", "-f", "-q", NULL);
3118
3119 if (add_data->branch) {
3120 strvec_pushl(&cp.args, "-B", add_data->branch, NULL);
3121 strvec_pushf(&cp.args, "origin/%s", add_data->branch);
3122 }
3123
3124 if (run_command(&cp))
3125 die(_("unable to checkout submodule '%s'"), add_data->sm_path);
3126 }
3127 ret = 0;
3128 cleanup:
3129 string_list_clear(&reference, 1);
3130 return ret;
3131 }
3132
3133 static int config_submodule_in_gitmodules(const char *name, const char *var, const char *value)
3134 {
3135 char *key;
3136 int ret;
3137
3138 if (!is_writing_gitmodules_ok())
3139 die(_("please make sure that the .gitmodules file is in the working tree"));
3140
3141 key = xstrfmt("submodule.%s.%s", name, var);
3142 ret = config_set_in_gitmodules_file_gently(key, value);
3143 free(key);
3144
3145 return ret;
3146 }
3147
3148 static void configure_added_submodule(struct add_data *add_data)
3149 {
3150 char *key;
3151 struct child_process add_submod = CHILD_PROCESS_INIT;
3152 struct child_process add_gitmodules = CHILD_PROCESS_INIT;
3153
3154 key = xstrfmt("submodule.%s.url", add_data->sm_name);
3155 git_config_set_gently(key, add_data->realrepo);
3156 free(key);
3157
3158 add_submod.git_cmd = 1;
3159 strvec_pushl(&add_submod.args, "add",
3160 "--no-warn-embedded-repo", NULL);
3161 if (add_data->force)
3162 strvec_push(&add_submod.args, "--force");
3163 strvec_pushl(&add_submod.args, "--", add_data->sm_path, NULL);
3164
3165 if (run_command(&add_submod))
3166 die(_("Failed to add submodule '%s'"), add_data->sm_path);
3167
3168 if (config_submodule_in_gitmodules(add_data->sm_name, "path", add_data->sm_path) ||
3169 config_submodule_in_gitmodules(add_data->sm_name, "url", add_data->repo))
3170 die(_("Failed to register submodule '%s'"), add_data->sm_path);
3171
3172 if (add_data->branch) {
3173 if (config_submodule_in_gitmodules(add_data->sm_name,
3174 "branch", add_data->branch))
3175 die(_("Failed to register submodule '%s'"), add_data->sm_path);
3176 }
3177
3178 add_gitmodules.git_cmd = 1;
3179 strvec_pushl(&add_gitmodules.args,
3180 "add", "--force", "--", ".gitmodules", NULL);
3181
3182 if (run_command(&add_gitmodules))
3183 die(_("Failed to register submodule '%s'"), add_data->sm_path);
3184
3185 /*
3186 * NEEDSWORK: In a multi-working-tree world this needs to be
3187 * set in the per-worktree config.
3188 */
3189 /*
3190 * NEEDSWORK: In the longer run, we need to get rid of this
3191 * pattern of querying "submodule.active" before calling
3192 * is_submodule_active(), since that function needs to find
3193 * out the value of "submodule.active" again anyway.
3194 */
3195 if (!git_config_get("submodule.active")) {
3196 /*
3197 * If the submodule being added isn't already covered by the
3198 * current configured pathspec, set the submodule's active flag
3199 */
3200 if (!is_submodule_active(the_repository, add_data->sm_path)) {
3201 key = xstrfmt("submodule.%s.active", add_data->sm_name);
3202 git_config_set_gently(key, "true");
3203 free(key);
3204 }
3205 } else {
3206 key = xstrfmt("submodule.%s.active", add_data->sm_name);
3207 git_config_set_gently(key, "true");
3208 free(key);
3209 }
3210 }
3211
3212 static void die_on_index_match(const char *path, int force)
3213 {
3214 struct pathspec ps;
3215 const char *args[] = { path, NULL };
3216 parse_pathspec(&ps, 0, PATHSPEC_PREFER_CWD, NULL, args);
3217
3218 if (repo_read_index_preload(the_repository, NULL, 0) < 0)
3219 die(_("index file corrupt"));
3220
3221 if (ps.nr) {
3222 int i;
3223 char *ps_matched = xcalloc(ps.nr, 1);
3224
3225 /* TODO: audit for interaction with sparse-index. */
3226 ensure_full_index(&the_index);
3227
3228 /*
3229 * Since there is only one pathspec, we just need to
3230 * check ps_matched[0] to know if a cache entry matched.
3231 */
3232 for (i = 0; i < the_index.cache_nr; i++) {
3233 ce_path_match(&the_index, the_index.cache[i], &ps,
3234 ps_matched);
3235
3236 if (ps_matched[0]) {
3237 if (!force)
3238 die(_("'%s' already exists in the index"),
3239 path);
3240 if (!S_ISGITLINK(the_index.cache[i]->ce_mode))
3241 die(_("'%s' already exists in the index "
3242 "and is not a submodule"), path);
3243 break;
3244 }
3245 }
3246 free(ps_matched);
3247 }
3248 clear_pathspec(&ps);
3249 }
3250
3251 static void die_on_repo_without_commits(const char *path)
3252 {
3253 struct strbuf sb = STRBUF_INIT;
3254 strbuf_addstr(&sb, path);
3255 if (is_nonbare_repository_dir(&sb)) {
3256 struct object_id oid;
3257 if (resolve_gitlink_ref(path, "HEAD", &oid) < 0)
3258 die(_("'%s' does not have a commit checked out"), path);
3259 }
3260 strbuf_release(&sb);
3261 }
3262
3263 static int module_add(int argc, const char **argv, const char *prefix)
3264 {
3265 int force = 0, quiet = 0, progress = 0, dissociate = 0;
3266 struct add_data add_data = ADD_DATA_INIT;
3267 char *to_free = NULL;
3268 struct option options[] = {
3269 OPT_STRING('b', "branch", &add_data.branch, N_("branch"),
3270 N_("branch of repository to add as submodule")),
3271 OPT__FORCE(&force, N_("allow adding an otherwise ignored submodule path"),
3272 PARSE_OPT_NOCOMPLETE),
3273 OPT__QUIET(&quiet, N_("print only error messages")),
3274 OPT_BOOL(0, "progress", &progress, N_("force cloning progress")),
3275 OPT_STRING(0, "reference", &add_data.reference_path, N_("repository"),
3276 N_("reference repository")),
3277 OPT_BOOL(0, "dissociate", &dissociate, N_("borrow the objects from reference repositories")),
3278 OPT_STRING(0, "name", &add_data.sm_name, N_("name"),
3279 N_("sets the submodule's name to the given string "
3280 "instead of defaulting to its path")),
3281 OPT_INTEGER(0, "depth", &add_data.depth, N_("depth for shallow clones")),
3282 OPT_END()
3283 };
3284 const char *const usage[] = {
3285 N_("git submodule add [<options>] [--] <repository> [<path>]"),
3286 NULL
3287 };
3288 struct strbuf sb = STRBUF_INIT;
3289 int ret = 1;
3290
3291 argc = parse_options(argc, argv, prefix, options, usage, 0);
3292
3293 if (!is_writing_gitmodules_ok())
3294 die(_("please make sure that the .gitmodules file is in the working tree"));
3295
3296 if (prefix && *prefix &&
3297 add_data.reference_path && !is_absolute_path(add_data.reference_path))
3298 add_data.reference_path = xstrfmt("%s%s", prefix, add_data.reference_path);
3299
3300 if (argc == 0 || argc > 2)
3301 usage_with_options(usage, options);
3302
3303 add_data.repo = argv[0];
3304 if (argc == 1)
3305 add_data.sm_path = git_url_basename(add_data.repo, 0, 0);
3306 else
3307 add_data.sm_path = xstrdup(argv[1]);
3308
3309 if (prefix && *prefix && !is_absolute_path(add_data.sm_path)) {
3310 char *sm_path = add_data.sm_path;
3311
3312 add_data.sm_path = xstrfmt("%s%s", prefix, sm_path);
3313 free(sm_path);
3314 }
3315
3316 if (starts_with_dot_dot_slash(add_data.repo) ||
3317 starts_with_dot_slash(add_data.repo)) {
3318 if (prefix)
3319 die(_("Relative path can only be used from the toplevel "
3320 "of the working tree"));
3321
3322 /* dereference source url relative to parent's url */
3323 to_free = resolve_relative_url(add_data.repo, NULL, 1);
3324 add_data.realrepo = to_free;
3325 } else if (is_dir_sep(add_data.repo[0]) || strchr(add_data.repo, ':')) {
3326 add_data.realrepo = add_data.repo;
3327 } else {
3328 die(_("repo URL: '%s' must be absolute or begin with ./|../"),
3329 add_data.repo);
3330 }
3331
3332 /*
3333 * normalize path:
3334 * multiple //; leading ./; /./; /../;
3335 */
3336 normalize_path_copy(add_data.sm_path, add_data.sm_path);
3337 strip_dir_trailing_slashes(add_data.sm_path);
3338
3339 die_on_index_match(add_data.sm_path, force);
3340 die_on_repo_without_commits(add_data.sm_path);
3341
3342 if (!force) {
3343 struct child_process cp = CHILD_PROCESS_INIT;
3344
3345 cp.git_cmd = 1;
3346 cp.no_stdout = 1;
3347 strvec_pushl(&cp.args, "add", "--dry-run", "--ignore-missing",
3348 "--no-warn-embedded-repo", add_data.sm_path, NULL);
3349 if ((ret = pipe_command(&cp, NULL, 0, NULL, 0, &sb, 0))) {
3350 strbuf_complete_line(&sb);
3351 fputs(sb.buf, stderr);
3352 goto cleanup;
3353 }
3354 }
3355
3356 if(!add_data.sm_name)
3357 add_data.sm_name = add_data.sm_path;
3358
3359 if (check_submodule_name(add_data.sm_name))
3360 die(_("'%s' is not a valid submodule name"), add_data.sm_name);
3361
3362 add_data.prefix = prefix;
3363 add_data.force = !!force;
3364 add_data.quiet = !!quiet;
3365 add_data.progress = !!progress;
3366 add_data.dissociate = !!dissociate;
3367
3368 if (add_submodule(&add_data))
3369 goto cleanup;
3370 configure_added_submodule(&add_data);
3371
3372 ret = 0;
3373 cleanup:
3374 free(add_data.sm_path);
3375 free(to_free);
3376 strbuf_release(&sb);
3377
3378 return ret;
3379 }
3380
3381 int cmd_submodule__helper(int argc, const char **argv, const char *prefix)
3382 {
3383 parse_opt_subcommand_fn *fn = NULL;
3384 const char *const usage[] = {
3385 N_("git submodule--helper <command>"),
3386 NULL
3387 };
3388 struct option options[] = {
3389 OPT_SUBCOMMAND("clone", &fn, module_clone),
3390 OPT_SUBCOMMAND("add", &fn, module_add),
3391 OPT_SUBCOMMAND("update", &fn, module_update),
3392 OPT_SUBCOMMAND("foreach", &fn, module_foreach),
3393 OPT_SUBCOMMAND("init", &fn, module_init),
3394 OPT_SUBCOMMAND("status", &fn, module_status),
3395 OPT_SUBCOMMAND("sync", &fn, module_sync),
3396 OPT_SUBCOMMAND("deinit", &fn, module_deinit),
3397 OPT_SUBCOMMAND("summary", &fn, module_summary),
3398 OPT_SUBCOMMAND("push-check", &fn, push_check),
3399 OPT_SUBCOMMAND("absorbgitdirs", &fn, absorb_git_dirs),
3400 OPT_SUBCOMMAND("set-url", &fn, module_set_url),
3401 OPT_SUBCOMMAND("set-branch", &fn, module_set_branch),
3402 OPT_SUBCOMMAND("create-branch", &fn, module_create_branch),
3403 OPT_END()
3404 };
3405 argc = parse_options(argc, argv, prefix, options, usage, 0);
3406
3407 return fn(argc, argv, prefix);
3408 }
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