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Commit | Line | Data |
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74703a1e | 1 | #include "builtin.h" |
627d9342 | 2 | #include "repository.h" |
74703a1e | 3 | #include "cache.h" |
b2141fc1 | 4 | #include "config.h" |
74703a1e SB |
5 | #include "parse-options.h" |
6 | #include "quote.h" | |
7 | #include "pathspec.h" | |
8 | #include "dir.h" | |
0ea306ef SB |
9 | #include "submodule.h" |
10 | #include "submodule-config.h" | |
11 | #include "string-list.h" | |
ee8838d1 | 12 | #include "run-command.h" |
63e95beb SB |
13 | #include "remote.h" |
14 | #include "refs.h" | |
15 | #include "connect.h" | |
16 | ||
17 | static char *get_default_remote(void) | |
18 | { | |
19 | char *dest = NULL, *ret; | |
20 | unsigned char sha1[20]; | |
21 | struct strbuf sb = STRBUF_INIT; | |
22 | const char *refname = resolve_ref_unsafe("HEAD", 0, sha1, NULL); | |
23 | ||
24 | if (!refname) | |
25 | die(_("No such ref: %s"), "HEAD"); | |
26 | ||
27 | /* detached HEAD */ | |
28 | if (!strcmp(refname, "HEAD")) | |
29 | return xstrdup("origin"); | |
30 | ||
31 | if (!skip_prefix(refname, "refs/heads/", &refname)) | |
32 | die(_("Expecting a full ref name, got %s"), refname); | |
33 | ||
34 | strbuf_addf(&sb, "branch.%s.remote", refname); | |
35 | if (git_config_get_string(sb.buf, &dest)) | |
36 | ret = xstrdup("origin"); | |
37 | else | |
38 | ret = dest; | |
39 | ||
40 | strbuf_release(&sb); | |
41 | return ret; | |
42 | } | |
43 | ||
44 | static int starts_with_dot_slash(const char *str) | |
45 | { | |
46 | return str[0] == '.' && is_dir_sep(str[1]); | |
47 | } | |
48 | ||
49 | static int starts_with_dot_dot_slash(const char *str) | |
50 | { | |
51 | return str[0] == '.' && str[1] == '.' && is_dir_sep(str[2]); | |
52 | } | |
53 | ||
54 | /* | |
55 | * Returns 1 if it was the last chop before ':'. | |
56 | */ | |
57 | static int chop_last_dir(char **remoteurl, int is_relative) | |
58 | { | |
59 | char *rfind = find_last_dir_sep(*remoteurl); | |
60 | if (rfind) { | |
61 | *rfind = '\0'; | |
62 | return 0; | |
63 | } | |
64 | ||
65 | rfind = strrchr(*remoteurl, ':'); | |
66 | if (rfind) { | |
67 | *rfind = '\0'; | |
68 | return 1; | |
69 | } | |
70 | ||
71 | if (is_relative || !strcmp(".", *remoteurl)) | |
72 | die(_("cannot strip one component off url '%s'"), | |
73 | *remoteurl); | |
74 | ||
75 | free(*remoteurl); | |
76 | *remoteurl = xstrdup("."); | |
77 | return 0; | |
78 | } | |
79 | ||
80 | /* | |
81 | * The `url` argument is the URL that navigates to the submodule origin | |
82 | * repo. When relative, this URL is relative to the superproject origin | |
83 | * URL repo. The `up_path` argument, if specified, is the relative | |
84 | * path that navigates from the submodule working tree to the superproject | |
85 | * working tree. Returns the origin URL of the submodule. | |
86 | * | |
87 | * Return either an absolute URL or filesystem path (if the superproject | |
88 | * origin URL is an absolute URL or filesystem path, respectively) or a | |
89 | * relative file system path (if the superproject origin URL is a relative | |
90 | * file system path). | |
91 | * | |
92 | * When the output is a relative file system path, the path is either | |
93 | * relative to the submodule working tree, if up_path is specified, or to | |
94 | * the superproject working tree otherwise. | |
95 | * | |
96 | * NEEDSWORK: This works incorrectly on the domain and protocol part. | |
97 | * remote_url url outcome expectation | |
98 | * http://a.com/b ../c http://a.com/c as is | |
08788504 SB |
99 | * http://a.com/b/ ../c http://a.com/c same as previous line, but |
100 | * ignore trailing slash in url | |
63e95beb SB |
101 | * http://a.com/b ../../c http://c error out |
102 | * http://a.com/b ../../../c http:/c error out | |
103 | * http://a.com/b ../../../../c http:c error out | |
104 | * http://a.com/b ../../../../../c .:c error out | |
105 | * NEEDSWORK: Given how chop_last_dir() works, this function is broken | |
106 | * when a local part has a colon in its path component, too. | |
107 | */ | |
108 | static char *relative_url(const char *remote_url, | |
109 | const char *url, | |
110 | const char *up_path) | |
111 | { | |
112 | int is_relative = 0; | |
113 | int colonsep = 0; | |
114 | char *out; | |
115 | char *remoteurl = xstrdup(remote_url); | |
116 | struct strbuf sb = STRBUF_INIT; | |
117 | size_t len = strlen(remoteurl); | |
118 | ||
08788504 SB |
119 | if (is_dir_sep(remoteurl[len-1])) |
120 | remoteurl[len-1] = '\0'; | |
63e95beb SB |
121 | |
122 | if (!url_is_local_not_ssh(remoteurl) || is_absolute_path(remoteurl)) | |
123 | is_relative = 0; | |
124 | else { | |
125 | is_relative = 1; | |
126 | /* | |
127 | * Prepend a './' to ensure all relative | |
128 | * remoteurls start with './' or '../' | |
129 | */ | |
130 | if (!starts_with_dot_slash(remoteurl) && | |
131 | !starts_with_dot_dot_slash(remoteurl)) { | |
132 | strbuf_reset(&sb); | |
133 | strbuf_addf(&sb, "./%s", remoteurl); | |
134 | free(remoteurl); | |
135 | remoteurl = strbuf_detach(&sb, NULL); | |
136 | } | |
137 | } | |
138 | /* | |
139 | * When the url starts with '../', remove that and the | |
140 | * last directory in remoteurl. | |
141 | */ | |
142 | while (url) { | |
143 | if (starts_with_dot_dot_slash(url)) { | |
144 | url += 3; | |
145 | colonsep |= chop_last_dir(&remoteurl, is_relative); | |
146 | } else if (starts_with_dot_slash(url)) | |
147 | url += 2; | |
148 | else | |
149 | break; | |
150 | } | |
151 | strbuf_reset(&sb); | |
152 | strbuf_addf(&sb, "%s%s%s", remoteurl, colonsep ? ":" : "/", url); | |
3389e78e SB |
153 | if (ends_with(url, "/")) |
154 | strbuf_setlen(&sb, sb.len - 1); | |
63e95beb SB |
155 | free(remoteurl); |
156 | ||
157 | if (starts_with_dot_slash(sb.buf)) | |
158 | out = xstrdup(sb.buf + 2); | |
159 | else | |
160 | out = xstrdup(sb.buf); | |
161 | strbuf_reset(&sb); | |
162 | ||
163 | if (!up_path || !is_relative) | |
164 | return out; | |
165 | ||
166 | strbuf_addf(&sb, "%s%s", up_path, out); | |
167 | free(out); | |
168 | return strbuf_detach(&sb, NULL); | |
169 | } | |
170 | ||
171 | static int resolve_relative_url(int argc, const char **argv, const char *prefix) | |
172 | { | |
173 | char *remoteurl = NULL; | |
174 | char *remote = get_default_remote(); | |
175 | const char *up_path = NULL; | |
176 | char *res; | |
177 | const char *url; | |
178 | struct strbuf sb = STRBUF_INIT; | |
179 | ||
180 | if (argc != 2 && argc != 3) | |
181 | die("resolve-relative-url only accepts one or two arguments"); | |
182 | ||
183 | url = argv[1]; | |
184 | strbuf_addf(&sb, "remote.%s.url", remote); | |
185 | free(remote); | |
186 | ||
187 | if (git_config_get_string(sb.buf, &remoteurl)) | |
188 | /* the repository is its own authoritative upstream */ | |
189 | remoteurl = xgetcwd(); | |
190 | ||
191 | if (argc == 3) | |
192 | up_path = argv[2]; | |
193 | ||
194 | res = relative_url(remoteurl, url, up_path); | |
195 | puts(res); | |
196 | free(res); | |
197 | free(remoteurl); | |
198 | return 0; | |
199 | } | |
200 | ||
201 | static int resolve_relative_url_test(int argc, const char **argv, const char *prefix) | |
202 | { | |
203 | char *remoteurl, *res; | |
204 | const char *up_path, *url; | |
205 | ||
206 | if (argc != 4) | |
207 | die("resolve-relative-url-test only accepts three arguments: <up_path> <remoteurl> <url>"); | |
208 | ||
209 | up_path = argv[1]; | |
210 | remoteurl = xstrdup(argv[2]); | |
211 | url = argv[3]; | |
212 | ||
213 | if (!strcmp(up_path, "(null)")) | |
214 | up_path = NULL; | |
215 | ||
216 | res = relative_url(remoteurl, url, up_path); | |
217 | puts(res); | |
218 | free(res); | |
219 | free(remoteurl); | |
220 | return 0; | |
221 | } | |
74703a1e SB |
222 | |
223 | struct module_list { | |
224 | const struct cache_entry **entries; | |
225 | int alloc, nr; | |
226 | }; | |
227 | #define MODULE_LIST_INIT { NULL, 0, 0 } | |
228 | ||
229 | static int module_list_compute(int argc, const char **argv, | |
230 | const char *prefix, | |
231 | struct pathspec *pathspec, | |
232 | struct module_list *list) | |
233 | { | |
234 | int i, result = 0; | |
2b56bb7a | 235 | char *ps_matched = NULL; |
74703a1e | 236 | parse_pathspec(pathspec, 0, |
2249d4db | 237 | PATHSPEC_PREFER_FULL, |
74703a1e SB |
238 | prefix, argv); |
239 | ||
74703a1e SB |
240 | if (pathspec->nr) |
241 | ps_matched = xcalloc(pathspec->nr, 1); | |
242 | ||
243 | if (read_cache() < 0) | |
244 | die(_("index file corrupt")); | |
245 | ||
246 | for (i = 0; i < active_nr; i++) { | |
247 | const struct cache_entry *ce = active_cache[i]; | |
248 | ||
84ba959b SB |
249 | if (!match_pathspec(pathspec, ce->name, ce_namelen(ce), |
250 | 0, ps_matched, 1) || | |
251 | !S_ISGITLINK(ce->ce_mode)) | |
74703a1e SB |
252 | continue; |
253 | ||
254 | ALLOC_GROW(list->entries, list->nr + 1, list->alloc); | |
255 | list->entries[list->nr++] = ce; | |
256 | while (i + 1 < active_nr && | |
257 | !strcmp(ce->name, active_cache[i + 1]->name)) | |
258 | /* | |
259 | * Skip entries with the same name in different stages | |
260 | * to make sure an entry is returned only once. | |
261 | */ | |
262 | i++; | |
263 | } | |
74703a1e SB |
264 | |
265 | if (ps_matched && report_path_error(ps_matched, pathspec, prefix)) | |
266 | result = -1; | |
267 | ||
268 | free(ps_matched); | |
269 | ||
270 | return result; | |
271 | } | |
272 | ||
3e7eaed0 BW |
273 | static void module_list_active(struct module_list *list) |
274 | { | |
275 | int i; | |
276 | struct module_list active_modules = MODULE_LIST_INIT; | |
277 | ||
3e7eaed0 BW |
278 | for (i = 0; i < list->nr; i++) { |
279 | const struct cache_entry *ce = list->entries[i]; | |
280 | ||
627d9342 | 281 | if (!is_submodule_active(the_repository, ce->name)) |
3e7eaed0 BW |
282 | continue; |
283 | ||
284 | ALLOC_GROW(active_modules.entries, | |
285 | active_modules.nr + 1, | |
286 | active_modules.alloc); | |
287 | active_modules.entries[active_modules.nr++] = ce; | |
288 | } | |
289 | ||
290 | free(list->entries); | |
291 | *list = active_modules; | |
292 | } | |
293 | ||
74703a1e SB |
294 | static int module_list(int argc, const char **argv, const char *prefix) |
295 | { | |
296 | int i; | |
297 | struct pathspec pathspec; | |
298 | struct module_list list = MODULE_LIST_INIT; | |
299 | ||
300 | struct option module_list_options[] = { | |
301 | OPT_STRING(0, "prefix", &prefix, | |
302 | N_("path"), | |
303 | N_("alternative anchor for relative paths")), | |
304 | OPT_END() | |
305 | }; | |
306 | ||
307 | const char *const git_submodule_helper_usage[] = { | |
308 | N_("git submodule--helper list [--prefix=<path>] [<path>...]"), | |
309 | NULL | |
310 | }; | |
311 | ||
312 | argc = parse_options(argc, argv, prefix, module_list_options, | |
313 | git_submodule_helper_usage, 0); | |
314 | ||
b0f4b408 | 315 | if (module_list_compute(argc, argv, prefix, &pathspec, &list) < 0) |
74703a1e | 316 | return 1; |
74703a1e SB |
317 | |
318 | for (i = 0; i < list.nr; i++) { | |
319 | const struct cache_entry *ce = list.entries[i]; | |
320 | ||
321 | if (ce_stage(ce)) | |
322 | printf("%06o %s U\t", ce->ce_mode, sha1_to_hex(null_sha1)); | |
323 | else | |
99d1a986 | 324 | printf("%06o %s %d\t", ce->ce_mode, |
325 | oid_to_hex(&ce->oid), ce_stage(ce)); | |
74703a1e | 326 | |
dc4b4a61 | 327 | fprintf(stdout, "%s\n", ce->name); |
74703a1e SB |
328 | } |
329 | return 0; | |
330 | } | |
331 | ||
3604242f SB |
332 | static void init_submodule(const char *path, const char *prefix, int quiet) |
333 | { | |
334 | const struct submodule *sub; | |
335 | struct strbuf sb = STRBUF_INIT; | |
336 | char *upd = NULL, *url = NULL, *displaypath; | |
337 | ||
6e7c14e6 SB |
338 | if (prefix && get_super_prefix()) |
339 | die("BUG: cannot have prefix and superprefix"); | |
340 | else if (prefix) | |
341 | displaypath = xstrdup(relative_path(path, prefix, &sb)); | |
342 | else if (get_super_prefix()) { | |
343 | strbuf_addf(&sb, "%s%s", get_super_prefix(), path); | |
3604242f SB |
344 | displaypath = strbuf_detach(&sb, NULL); |
345 | } else | |
d92028a5 SB |
346 | displaypath = xstrdup(path); |
347 | ||
cd73de47 | 348 | sub = submodule_from_path(&null_oid, path); |
d92028a5 SB |
349 | |
350 | if (!sub) | |
351 | die(_("No url found for submodule path '%s' in .gitmodules"), | |
352 | displaypath); | |
3604242f | 353 | |
1f8d7115 BW |
354 | /* |
355 | * NEEDSWORK: In a multi-working-tree world, this needs to be | |
356 | * set in the per-worktree config. | |
357 | * | |
358 | * Set active flag for the submodule being initialized | |
359 | */ | |
627d9342 | 360 | if (!is_submodule_active(the_repository, path)) { |
1f8d7115 BW |
361 | strbuf_reset(&sb); |
362 | strbuf_addf(&sb, "submodule.%s.active", sub->name); | |
363 | git_config_set_gently(sb.buf, "true"); | |
364 | } | |
365 | ||
3604242f SB |
366 | /* |
367 | * Copy url setting when it is not set yet. | |
368 | * To look up the url in .git/config, we must not fall back to | |
369 | * .gitmodules, so look it up directly. | |
370 | */ | |
371 | strbuf_reset(&sb); | |
372 | strbuf_addf(&sb, "submodule.%s.url", sub->name); | |
373 | if (git_config_get_string(sb.buf, &url)) { | |
627fde10 | 374 | if (!sub->url) |
3604242f SB |
375 | die(_("No url found for submodule path '%s' in .gitmodules"), |
376 | displaypath); | |
377 | ||
627fde10 JK |
378 | url = xstrdup(sub->url); |
379 | ||
3604242f SB |
380 | /* Possibly a url relative to parent */ |
381 | if (starts_with_dot_dot_slash(url) || | |
382 | starts_with_dot_slash(url)) { | |
383 | char *remoteurl, *relurl; | |
384 | char *remote = get_default_remote(); | |
385 | struct strbuf remotesb = STRBUF_INIT; | |
386 | strbuf_addf(&remotesb, "remote.%s.url", remote); | |
387 | free(remote); | |
388 | ||
d1b3b81a SB |
389 | if (git_config_get_string(remotesb.buf, &remoteurl)) { |
390 | warning(_("could not lookup configuration '%s'. Assuming this repository is its own authoritative upstream."), remotesb.buf); | |
3604242f | 391 | remoteurl = xgetcwd(); |
d1b3b81a | 392 | } |
3604242f SB |
393 | relurl = relative_url(remoteurl, url, NULL); |
394 | strbuf_release(&remotesb); | |
395 | free(remoteurl); | |
396 | free(url); | |
397 | url = relurl; | |
398 | } | |
399 | ||
400 | if (git_config_set_gently(sb.buf, url)) | |
401 | die(_("Failed to register url for submodule path '%s'"), | |
402 | displaypath); | |
403 | if (!quiet) | |
c66410ed SB |
404 | fprintf(stderr, |
405 | _("Submodule '%s' (%s) registered for path '%s'\n"), | |
3604242f SB |
406 | sub->name, url, displaypath); |
407 | } | |
408 | ||
409 | /* Copy "update" setting when it is not set yet */ | |
410 | strbuf_reset(&sb); | |
411 | strbuf_addf(&sb, "submodule.%s.update", sub->name); | |
412 | if (git_config_get_string(sb.buf, &upd) && | |
413 | sub->update_strategy.type != SM_UPDATE_UNSPECIFIED) { | |
414 | if (sub->update_strategy.type == SM_UPDATE_COMMAND) { | |
415 | fprintf(stderr, _("warning: command update mode suggested for submodule '%s'\n"), | |
416 | sub->name); | |
417 | upd = xstrdup("none"); | |
418 | } else | |
419 | upd = xstrdup(submodule_strategy_to_string(&sub->update_strategy)); | |
420 | ||
421 | if (git_config_set_gently(sb.buf, upd)) | |
422 | die(_("Failed to register update mode for submodule path '%s'"), displaypath); | |
423 | } | |
424 | strbuf_release(&sb); | |
425 | free(displaypath); | |
426 | free(url); | |
427 | free(upd); | |
428 | } | |
429 | ||
430 | static int module_init(int argc, const char **argv, const char *prefix) | |
431 | { | |
432 | struct pathspec pathspec; | |
433 | struct module_list list = MODULE_LIST_INIT; | |
434 | int quiet = 0; | |
435 | int i; | |
436 | ||
437 | struct option module_init_options[] = { | |
3604242f SB |
438 | OPT__QUIET(&quiet, N_("Suppress output for initializing a submodule")), |
439 | OPT_END() | |
440 | }; | |
441 | ||
442 | const char *const git_submodule_helper_usage[] = { | |
443 | N_("git submodule--helper init [<path>]"), | |
444 | NULL | |
445 | }; | |
446 | ||
447 | argc = parse_options(argc, argv, prefix, module_init_options, | |
448 | git_submodule_helper_usage, 0); | |
449 | ||
450 | if (module_list_compute(argc, argv, prefix, &pathspec, &list) < 0) | |
451 | return 1; | |
452 | ||
3e7eaed0 BW |
453 | /* |
454 | * If there are no path args and submodule.active is set then, | |
455 | * by default, only initialize 'active' modules. | |
456 | */ | |
457 | if (!argc && git_config_get_value_multi("submodule.active")) | |
458 | module_list_active(&list); | |
459 | ||
3604242f SB |
460 | for (i = 0; i < list.nr; i++) |
461 | init_submodule(list.entries[i]->name, prefix, quiet); | |
462 | ||
463 | return 0; | |
464 | } | |
465 | ||
0ea306ef SB |
466 | static int module_name(int argc, const char **argv, const char *prefix) |
467 | { | |
468 | const struct submodule *sub; | |
469 | ||
470 | if (argc != 2) | |
471 | usage(_("git submodule--helper name <path>")); | |
472 | ||
cd73de47 | 473 | sub = submodule_from_path(&null_oid, argv[1]); |
0ea306ef SB |
474 | |
475 | if (!sub) | |
476 | die(_("no submodule mapping found in .gitmodules for path '%s'"), | |
477 | argv[1]); | |
478 | ||
479 | printf("%s\n", sub->name); | |
480 | ||
481 | return 0; | |
482 | } | |
14111fc4 | 483 | |
ee8838d1 | 484 | static int clone_submodule(const char *path, const char *gitdir, const char *url, |
72c5f883 JK |
485 | const char *depth, struct string_list *reference, |
486 | int quiet, int progress) | |
ee8838d1 | 487 | { |
542aa25d | 488 | struct child_process cp = CHILD_PROCESS_INIT; |
ee8838d1 SB |
489 | |
490 | argv_array_push(&cp.args, "clone"); | |
491 | argv_array_push(&cp.args, "--no-checkout"); | |
492 | if (quiet) | |
493 | argv_array_push(&cp.args, "--quiet"); | |
72c5f883 JK |
494 | if (progress) |
495 | argv_array_push(&cp.args, "--progress"); | |
ee8838d1 SB |
496 | if (depth && *depth) |
497 | argv_array_pushl(&cp.args, "--depth", depth, NULL); | |
965dbea0 SB |
498 | if (reference->nr) { |
499 | struct string_list_item *item; | |
500 | for_each_string_list_item(item, reference) | |
501 | argv_array_pushl(&cp.args, "--reference", | |
502 | item->string, NULL); | |
503 | } | |
ee8838d1 SB |
504 | if (gitdir && *gitdir) |
505 | argv_array_pushl(&cp.args, "--separate-git-dir", gitdir, NULL); | |
506 | ||
507 | argv_array_push(&cp.args, url); | |
508 | argv_array_push(&cp.args, path); | |
509 | ||
510 | cp.git_cmd = 1; | |
14111fc4 | 511 | prepare_submodule_repo_env(&cp.env_array); |
ee8838d1 SB |
512 | cp.no_stdin = 1; |
513 | ||
514 | return run_command(&cp); | |
515 | } | |
516 | ||
31224cbd SB |
517 | struct submodule_alternate_setup { |
518 | const char *submodule_name; | |
519 | enum SUBMODULE_ALTERNATE_ERROR_MODE { | |
520 | SUBMODULE_ALTERNATE_ERROR_DIE, | |
521 | SUBMODULE_ALTERNATE_ERROR_INFO, | |
522 | SUBMODULE_ALTERNATE_ERROR_IGNORE | |
523 | } error_mode; | |
524 | struct string_list *reference; | |
525 | }; | |
526 | #define SUBMODULE_ALTERNATE_SETUP_INIT { NULL, \ | |
527 | SUBMODULE_ALTERNATE_ERROR_IGNORE, NULL } | |
528 | ||
529 | static int add_possible_reference_from_superproject( | |
530 | struct alternate_object_database *alt, void *sas_cb) | |
531 | { | |
532 | struct submodule_alternate_setup *sas = sas_cb; | |
533 | ||
31224cbd SB |
534 | /* |
535 | * If the alternate object store is another repository, try the | |
bf03b790 | 536 | * standard layout with .git/(modules/<name>)+/objects |
31224cbd | 537 | */ |
bf03b790 | 538 | if (ends_with(alt->path, "/objects")) { |
31224cbd SB |
539 | char *sm_alternate; |
540 | struct strbuf sb = STRBUF_INIT; | |
541 | struct strbuf err = STRBUF_INIT; | |
597f9134 JK |
542 | strbuf_add(&sb, alt->path, strlen(alt->path) - strlen("objects")); |
543 | ||
31224cbd SB |
544 | /* |
545 | * We need to end the new path with '/' to mark it as a dir, | |
546 | * otherwise a submodule name containing '/' will be broken | |
547 | * as the last part of a missing submodule reference would | |
548 | * be taken as a file name. | |
549 | */ | |
550 | strbuf_addf(&sb, "modules/%s/", sas->submodule_name); | |
551 | ||
552 | sm_alternate = compute_alternate_path(sb.buf, &err); | |
553 | if (sm_alternate) { | |
554 | string_list_append(sas->reference, xstrdup(sb.buf)); | |
555 | free(sm_alternate); | |
556 | } else { | |
557 | switch (sas->error_mode) { | |
558 | case SUBMODULE_ALTERNATE_ERROR_DIE: | |
559 | die(_("submodule '%s' cannot add alternate: %s"), | |
560 | sas->submodule_name, err.buf); | |
561 | case SUBMODULE_ALTERNATE_ERROR_INFO: | |
562 | fprintf(stderr, _("submodule '%s' cannot add alternate: %s"), | |
563 | sas->submodule_name, err.buf); | |
564 | case SUBMODULE_ALTERNATE_ERROR_IGNORE: | |
565 | ; /* nothing */ | |
566 | } | |
567 | } | |
568 | strbuf_release(&sb); | |
569 | } | |
570 | ||
31224cbd SB |
571 | return 0; |
572 | } | |
573 | ||
574 | static void prepare_possible_alternates(const char *sm_name, | |
575 | struct string_list *reference) | |
576 | { | |
577 | char *sm_alternate = NULL, *error_strategy = NULL; | |
578 | struct submodule_alternate_setup sas = SUBMODULE_ALTERNATE_SETUP_INIT; | |
579 | ||
580 | git_config_get_string("submodule.alternateLocation", &sm_alternate); | |
581 | if (!sm_alternate) | |
582 | return; | |
583 | ||
584 | git_config_get_string("submodule.alternateErrorStrategy", &error_strategy); | |
585 | ||
586 | if (!error_strategy) | |
587 | error_strategy = xstrdup("die"); | |
588 | ||
589 | sas.submodule_name = sm_name; | |
590 | sas.reference = reference; | |
591 | if (!strcmp(error_strategy, "die")) | |
592 | sas.error_mode = SUBMODULE_ALTERNATE_ERROR_DIE; | |
593 | else if (!strcmp(error_strategy, "info")) | |
594 | sas.error_mode = SUBMODULE_ALTERNATE_ERROR_INFO; | |
595 | else if (!strcmp(error_strategy, "ignore")) | |
596 | sas.error_mode = SUBMODULE_ALTERNATE_ERROR_IGNORE; | |
597 | else | |
598 | die(_("Value '%s' for submodule.alternateErrorStrategy is not recognized"), error_strategy); | |
599 | ||
600 | if (!strcmp(sm_alternate, "superproject")) | |
601 | foreach_alt_odb(add_possible_reference_from_superproject, &sas); | |
602 | else if (!strcmp(sm_alternate, "no")) | |
603 | ; /* do nothing */ | |
604 | else | |
605 | die(_("Value '%s' for submodule.alternateLocation is not recognized"), sm_alternate); | |
606 | ||
607 | free(sm_alternate); | |
608 | free(error_strategy); | |
609 | } | |
610 | ||
ee8838d1 SB |
611 | static int module_clone(int argc, const char **argv, const char *prefix) |
612 | { | |
965dbea0 | 613 | const char *name = NULL, *url = NULL, *depth = NULL; |
ee8838d1 | 614 | int quiet = 0; |
72c5f883 | 615 | int progress = 0; |
1ea4d9b7 | 616 | char *p, *path = NULL, *sm_gitdir; |
ee8838d1 | 617 | struct strbuf sb = STRBUF_INIT; |
965dbea0 | 618 | struct string_list reference = STRING_LIST_INIT_NODUP; |
bf03b790 | 619 | char *sm_alternate = NULL, *error_strategy = NULL; |
ee8838d1 SB |
620 | |
621 | struct option module_clone_options[] = { | |
622 | OPT_STRING(0, "prefix", &prefix, | |
623 | N_("path"), | |
624 | N_("alternative anchor for relative paths")), | |
625 | OPT_STRING(0, "path", &path, | |
626 | N_("path"), | |
627 | N_("where the new submodule will be cloned to")), | |
628 | OPT_STRING(0, "name", &name, | |
629 | N_("string"), | |
630 | N_("name of the new submodule")), | |
631 | OPT_STRING(0, "url", &url, | |
632 | N_("string"), | |
633 | N_("url where to clone the submodule from")), | |
965dbea0 SB |
634 | OPT_STRING_LIST(0, "reference", &reference, |
635 | N_("repo"), | |
ee8838d1 SB |
636 | N_("reference repository")), |
637 | OPT_STRING(0, "depth", &depth, | |
638 | N_("string"), | |
639 | N_("depth for shallow clones")), | |
640 | OPT__QUIET(&quiet, "Suppress output for cloning a submodule"), | |
72c5f883 JK |
641 | OPT_BOOL(0, "progress", &progress, |
642 | N_("force cloning progress")), | |
ee8838d1 SB |
643 | OPT_END() |
644 | }; | |
645 | ||
646 | const char *const git_submodule_helper_usage[] = { | |
647 | N_("git submodule--helper clone [--prefix=<path>] [--quiet] " | |
7dad2633 JK |
648 | "[--reference <repository>] [--name <name>] [--depth <depth>] " |
649 | "--url <url> --path <path>"), | |
ee8838d1 SB |
650 | NULL |
651 | }; | |
652 | ||
653 | argc = parse_options(argc, argv, prefix, module_clone_options, | |
654 | git_submodule_helper_usage, 0); | |
655 | ||
deef3cdc | 656 | if (argc || !url || !path || !*path) |
08e0970a JK |
657 | usage_with_options(git_submodule_helper_usage, |
658 | module_clone_options); | |
659 | ||
ee8838d1 | 660 | strbuf_addf(&sb, "%s/modules/%s", get_git_dir(), name); |
0aaad415 | 661 | sm_gitdir = absolute_pathdup(sb.buf); |
1ea4d9b7 | 662 | strbuf_reset(&sb); |
f8eaa0ba SB |
663 | |
664 | if (!is_absolute_path(path)) { | |
665 | strbuf_addf(&sb, "%s/%s", get_git_work_tree(), path); | |
666 | path = strbuf_detach(&sb, NULL); | |
667 | } else | |
668 | path = xstrdup(path); | |
ee8838d1 SB |
669 | |
670 | if (!file_exists(sm_gitdir)) { | |
671 | if (safe_create_leading_directories_const(sm_gitdir) < 0) | |
672 | die(_("could not create directory '%s'"), sm_gitdir); | |
31224cbd SB |
673 | |
674 | prepare_possible_alternates(name, &reference); | |
675 | ||
72c5f883 JK |
676 | if (clone_submodule(path, sm_gitdir, url, depth, &reference, |
677 | quiet, progress)) | |
ee8838d1 SB |
678 | die(_("clone of '%s' into submodule path '%s' failed"), |
679 | url, path); | |
680 | } else { | |
681 | if (safe_create_leading_directories_const(path) < 0) | |
682 | die(_("could not create directory '%s'"), path); | |
683 | strbuf_addf(&sb, "%s/index", sm_gitdir); | |
684 | unlink_or_warn(sb.buf); | |
685 | strbuf_reset(&sb); | |
686 | } | |
687 | ||
4682085c VT |
688 | /* Connect module worktree and git dir */ |
689 | connect_work_tree_and_git_dir(path, sm_gitdir); | |
ee8838d1 | 690 | |
ee8838d1 SB |
691 | p = git_pathdup_submodule(path, "config"); |
692 | if (!p) | |
693 | die(_("could not get submodule directory for '%s'"), path); | |
bf03b790 VS |
694 | |
695 | /* setup alternateLocation and alternateErrorStrategy in the cloned submodule if needed */ | |
696 | git_config_get_string("submodule.alternateLocation", &sm_alternate); | |
697 | if (sm_alternate) | |
698 | git_config_set_in_file(p, "submodule.alternateLocation", | |
699 | sm_alternate); | |
700 | git_config_get_string("submodule.alternateErrorStrategy", &error_strategy); | |
701 | if (error_strategy) | |
702 | git_config_set_in_file(p, "submodule.alternateErrorStrategy", | |
703 | error_strategy); | |
704 | ||
705 | free(sm_alternate); | |
706 | free(error_strategy); | |
707 | ||
ee8838d1 | 708 | strbuf_release(&sb); |
ee8838d1 | 709 | free(sm_gitdir); |
f8eaa0ba | 710 | free(path); |
ee8838d1 SB |
711 | free(p); |
712 | return 0; | |
713 | } | |
74703a1e | 714 | |
48308681 SB |
715 | struct submodule_update_clone { |
716 | /* index into 'list', the list of submodules to look into for cloning */ | |
717 | int current; | |
718 | struct module_list list; | |
719 | unsigned warn_if_uninitialized : 1; | |
720 | ||
721 | /* update parameter passed via commandline */ | |
722 | struct submodule_update_strategy update; | |
723 | ||
724 | /* configuration parameters which are passed on to the children */ | |
72c5f883 | 725 | int progress; |
48308681 | 726 | int quiet; |
abed000a | 727 | int recommend_shallow; |
5f50f33e | 728 | struct string_list references; |
48308681 SB |
729 | const char *depth; |
730 | const char *recursive_prefix; | |
731 | const char *prefix; | |
732 | ||
733 | /* Machine-readable status lines to be consumed by git-submodule.sh */ | |
734 | struct string_list projectlines; | |
735 | ||
736 | /* If we want to stop as fast as possible and return an error */ | |
737 | unsigned quickstop : 1; | |
665b35ec SB |
738 | |
739 | /* failed clones to be retried again */ | |
740 | const struct cache_entry **failed_clones; | |
741 | int failed_clones_nr, failed_clones_alloc; | |
48308681 SB |
742 | }; |
743 | #define SUBMODULE_UPDATE_CLONE_INIT {0, MODULE_LIST_INIT, 0, \ | |
72c5f883 | 744 | SUBMODULE_UPDATE_STRATEGY_INIT, 0, 0, -1, STRING_LIST_INIT_DUP, \ |
5f50f33e | 745 | NULL, NULL, NULL, \ |
665b35ec | 746 | STRING_LIST_INIT_DUP, 0, NULL, 0, 0} |
48308681 | 747 | |
08fdbdb1 SB |
748 | |
749 | static void next_submodule_warn_missing(struct submodule_update_clone *suc, | |
750 | struct strbuf *out, const char *displaypath) | |
751 | { | |
752 | /* | |
753 | * Only mention uninitialized submodules when their | |
754 | * paths have been specified. | |
755 | */ | |
756 | if (suc->warn_if_uninitialized) { | |
757 | strbuf_addf(out, | |
758 | _("Submodule path '%s' not initialized"), | |
759 | displaypath); | |
760 | strbuf_addch(out, '\n'); | |
761 | strbuf_addstr(out, | |
762 | _("Maybe you want to use 'update --init'?")); | |
763 | strbuf_addch(out, '\n'); | |
764 | } | |
765 | } | |
766 | ||
48308681 SB |
767 | /** |
768 | * Determine whether 'ce' needs to be cloned. If so, prepare the 'child' to | |
769 | * run the clone. Returns 1 if 'ce' needs to be cloned, 0 otherwise. | |
770 | */ | |
771 | static int prepare_to_clone_next_submodule(const struct cache_entry *ce, | |
772 | struct child_process *child, | |
773 | struct submodule_update_clone *suc, | |
774 | struct strbuf *out) | |
775 | { | |
776 | const struct submodule *sub = NULL; | |
ec6141a0 BW |
777 | const char *url = NULL; |
778 | const char *update_string; | |
779 | enum submodule_update_type update_type; | |
780 | char *key; | |
48308681 SB |
781 | struct strbuf displaypath_sb = STRBUF_INIT; |
782 | struct strbuf sb = STRBUF_INIT; | |
783 | const char *displaypath = NULL; | |
48308681 SB |
784 | int needs_cloning = 0; |
785 | ||
786 | if (ce_stage(ce)) { | |
787 | if (suc->recursive_prefix) | |
788 | strbuf_addf(&sb, "%s/%s", suc->recursive_prefix, ce->name); | |
789 | else | |
92d52fab | 790 | strbuf_addstr(&sb, ce->name); |
48308681 SB |
791 | strbuf_addf(out, _("Skipping unmerged submodule %s"), sb.buf); |
792 | strbuf_addch(out, '\n'); | |
793 | goto cleanup; | |
794 | } | |
795 | ||
cd73de47 | 796 | sub = submodule_from_path(&null_oid, ce->name); |
48308681 SB |
797 | |
798 | if (suc->recursive_prefix) | |
799 | displaypath = relative_path(suc->recursive_prefix, | |
800 | ce->name, &displaypath_sb); | |
801 | else | |
802 | displaypath = ce->name; | |
803 | ||
08fdbdb1 SB |
804 | if (!sub) { |
805 | next_submodule_warn_missing(suc, out, displaypath); | |
806 | goto cleanup; | |
807 | } | |
808 | ||
ec6141a0 BW |
809 | key = xstrfmt("submodule.%s.update", sub->name); |
810 | if (!repo_config_get_string_const(the_repository, key, &update_string)) { | |
811 | update_type = parse_submodule_update_type(update_string); | |
812 | } else { | |
813 | update_type = sub->update_strategy.type; | |
814 | } | |
815 | free(key); | |
816 | ||
48308681 SB |
817 | if (suc->update.type == SM_UPDATE_NONE |
818 | || (suc->update.type == SM_UPDATE_UNSPECIFIED | |
ec6141a0 | 819 | && update_type == SM_UPDATE_NONE)) { |
48308681 SB |
820 | strbuf_addf(out, _("Skipping submodule '%s'"), displaypath); |
821 | strbuf_addch(out, '\n'); | |
822 | goto cleanup; | |
823 | } | |
824 | ||
ee92ab99 | 825 | /* Check if the submodule has been initialized. */ |
627d9342 | 826 | if (!is_submodule_active(the_repository, ce->name)) { |
08fdbdb1 | 827 | next_submodule_warn_missing(suc, out, displaypath); |
48308681 SB |
828 | goto cleanup; |
829 | } | |
830 | ||
ec6141a0 BW |
831 | strbuf_reset(&sb); |
832 | strbuf_addf(&sb, "submodule.%s.url", sub->name); | |
833 | if (repo_config_get_string_const(the_repository, sb.buf, &url)) | |
834 | url = sub->url; | |
835 | ||
48308681 SB |
836 | strbuf_reset(&sb); |
837 | strbuf_addf(&sb, "%s/.git", ce->name); | |
838 | needs_cloning = !file_exists(sb.buf); | |
839 | ||
840 | strbuf_reset(&sb); | |
841 | strbuf_addf(&sb, "%06o %s %d %d\t%s\n", ce->ce_mode, | |
99d1a986 | 842 | oid_to_hex(&ce->oid), ce_stage(ce), |
48308681 SB |
843 | needs_cloning, ce->name); |
844 | string_list_append(&suc->projectlines, sb.buf); | |
845 | ||
846 | if (!needs_cloning) | |
847 | goto cleanup; | |
848 | ||
849 | child->git_cmd = 1; | |
850 | child->no_stdin = 1; | |
851 | child->stdout_to_stderr = 1; | |
852 | child->err = -1; | |
853 | argv_array_push(&child->args, "submodule--helper"); | |
854 | argv_array_push(&child->args, "clone"); | |
72c5f883 JK |
855 | if (suc->progress) |
856 | argv_array_push(&child->args, "--progress"); | |
48308681 SB |
857 | if (suc->quiet) |
858 | argv_array_push(&child->args, "--quiet"); | |
859 | if (suc->prefix) | |
860 | argv_array_pushl(&child->args, "--prefix", suc->prefix, NULL); | |
abed000a SB |
861 | if (suc->recommend_shallow && sub->recommend_shallow == 1) |
862 | argv_array_push(&child->args, "--depth=1"); | |
48308681 SB |
863 | argv_array_pushl(&child->args, "--path", sub->path, NULL); |
864 | argv_array_pushl(&child->args, "--name", sub->name, NULL); | |
ec6141a0 | 865 | argv_array_pushl(&child->args, "--url", url, NULL); |
5f50f33e SB |
866 | if (suc->references.nr) { |
867 | struct string_list_item *item; | |
868 | for_each_string_list_item(item, &suc->references) | |
869 | argv_array_pushl(&child->args, "--reference", item->string, NULL); | |
870 | } | |
48308681 SB |
871 | if (suc->depth) |
872 | argv_array_push(&child->args, suc->depth); | |
873 | ||
874 | cleanup: | |
48308681 SB |
875 | strbuf_reset(&displaypath_sb); |
876 | strbuf_reset(&sb); | |
877 | ||
878 | return needs_cloning; | |
879 | } | |
880 | ||
881 | static int update_clone_get_next_task(struct child_process *child, | |
882 | struct strbuf *err, | |
883 | void *suc_cb, | |
665b35ec | 884 | void **idx_task_cb) |
48308681 SB |
885 | { |
886 | struct submodule_update_clone *suc = suc_cb; | |
665b35ec SB |
887 | const struct cache_entry *ce; |
888 | int index; | |
48308681 SB |
889 | |
890 | for (; suc->current < suc->list.nr; suc->current++) { | |
665b35ec | 891 | ce = suc->list.entries[suc->current]; |
48308681 | 892 | if (prepare_to_clone_next_submodule(ce, child, suc, err)) { |
665b35ec SB |
893 | int *p = xmalloc(sizeof(*p)); |
894 | *p = suc->current; | |
895 | *idx_task_cb = p; | |
48308681 SB |
896 | suc->current++; |
897 | return 1; | |
898 | } | |
899 | } | |
665b35ec SB |
900 | |
901 | /* | |
902 | * The loop above tried cloning each submodule once, now try the | |
903 | * stragglers again, which we can imagine as an extension of the | |
904 | * entry list. | |
905 | */ | |
906 | index = suc->current - suc->list.nr; | |
907 | if (index < suc->failed_clones_nr) { | |
908 | int *p; | |
909 | ce = suc->failed_clones[index]; | |
2201ee09 SB |
910 | if (!prepare_to_clone_next_submodule(ce, child, suc, err)) { |
911 | suc->current ++; | |
a22ae753 RS |
912 | strbuf_addstr(err, "BUG: submodule considered for " |
913 | "cloning, doesn't need cloning " | |
914 | "any more?\n"); | |
2201ee09 SB |
915 | return 0; |
916 | } | |
665b35ec SB |
917 | p = xmalloc(sizeof(*p)); |
918 | *p = suc->current; | |
919 | *idx_task_cb = p; | |
920 | suc->current ++; | |
921 | return 1; | |
922 | } | |
923 | ||
48308681 SB |
924 | return 0; |
925 | } | |
926 | ||
927 | static int update_clone_start_failure(struct strbuf *err, | |
928 | void *suc_cb, | |
665b35ec | 929 | void *idx_task_cb) |
48308681 SB |
930 | { |
931 | struct submodule_update_clone *suc = suc_cb; | |
932 | suc->quickstop = 1; | |
933 | return 1; | |
934 | } | |
935 | ||
936 | static int update_clone_task_finished(int result, | |
937 | struct strbuf *err, | |
938 | void *suc_cb, | |
665b35ec | 939 | void *idx_task_cb) |
48308681 | 940 | { |
665b35ec | 941 | const struct cache_entry *ce; |
48308681 SB |
942 | struct submodule_update_clone *suc = suc_cb; |
943 | ||
c1e860f1 | 944 | int *idxP = idx_task_cb; |
665b35ec SB |
945 | int idx = *idxP; |
946 | free(idxP); | |
947 | ||
48308681 SB |
948 | if (!result) |
949 | return 0; | |
950 | ||
665b35ec SB |
951 | if (idx < suc->list.nr) { |
952 | ce = suc->list.entries[idx]; | |
953 | strbuf_addf(err, _("Failed to clone '%s'. Retry scheduled"), | |
954 | ce->name); | |
955 | strbuf_addch(err, '\n'); | |
956 | ALLOC_GROW(suc->failed_clones, | |
957 | suc->failed_clones_nr + 1, | |
958 | suc->failed_clones_alloc); | |
959 | suc->failed_clones[suc->failed_clones_nr++] = ce; | |
960 | return 0; | |
961 | } else { | |
eb09121b | 962 | idx -= suc->list.nr; |
665b35ec SB |
963 | ce = suc->failed_clones[idx]; |
964 | strbuf_addf(err, _("Failed to clone '%s' a second time, aborting"), | |
965 | ce->name); | |
966 | strbuf_addch(err, '\n'); | |
967 | suc->quickstop = 1; | |
968 | return 1; | |
969 | } | |
970 | ||
971 | return 0; | |
48308681 SB |
972 | } |
973 | ||
f20e7c1e BW |
974 | static int gitmodules_update_clone_config(const char *var, const char *value, |
975 | void *cb) | |
976 | { | |
977 | int *max_jobs = cb; | |
978 | if (!strcmp(var, "submodule.fetchjobs")) | |
979 | *max_jobs = parse_submodule_fetchjobs(var, value); | |
980 | return 0; | |
981 | } | |
982 | ||
48308681 SB |
983 | static int update_clone(int argc, const char **argv, const char *prefix) |
984 | { | |
985 | const char *update = NULL; | |
f20e7c1e | 986 | int max_jobs = 1; |
48308681 SB |
987 | struct string_list_item *item; |
988 | struct pathspec pathspec; | |
989 | struct submodule_update_clone suc = SUBMODULE_UPDATE_CLONE_INIT; | |
990 | ||
991 | struct option module_update_clone_options[] = { | |
992 | OPT_STRING(0, "prefix", &prefix, | |
993 | N_("path"), | |
994 | N_("path into the working tree")), | |
995 | OPT_STRING(0, "recursive-prefix", &suc.recursive_prefix, | |
996 | N_("path"), | |
997 | N_("path into the working tree, across nested " | |
998 | "submodule boundaries")), | |
999 | OPT_STRING(0, "update", &update, | |
1000 | N_("string"), | |
1001 | N_("rebase, merge, checkout or none")), | |
5f50f33e | 1002 | OPT_STRING_LIST(0, "reference", &suc.references, N_("repo"), |
48308681 SB |
1003 | N_("reference repository")), |
1004 | OPT_STRING(0, "depth", &suc.depth, "<depth>", | |
1005 | N_("Create a shallow clone truncated to the " | |
1006 | "specified number of revisions")), | |
2335b870 SB |
1007 | OPT_INTEGER('j', "jobs", &max_jobs, |
1008 | N_("parallel jobs")), | |
abed000a SB |
1009 | OPT_BOOL(0, "recommend-shallow", &suc.recommend_shallow, |
1010 | N_("whether the initial clone should follow the shallow recommendation")), | |
48308681 | 1011 | OPT__QUIET(&suc.quiet, N_("don't print cloning progress")), |
72c5f883 JK |
1012 | OPT_BOOL(0, "progress", &suc.progress, |
1013 | N_("force cloning progress")), | |
48308681 SB |
1014 | OPT_END() |
1015 | }; | |
1016 | ||
1017 | const char *const git_submodule_helper_usage[] = { | |
1018 | N_("git submodule--helper update_clone [--prefix=<path>] [<path>...]"), | |
1019 | NULL | |
1020 | }; | |
1021 | suc.prefix = prefix; | |
1022 | ||
f20e7c1e BW |
1023 | config_from_gitmodules(gitmodules_update_clone_config, &max_jobs); |
1024 | git_config(gitmodules_update_clone_config, &max_jobs); | |
1025 | ||
48308681 SB |
1026 | argc = parse_options(argc, argv, prefix, module_update_clone_options, |
1027 | git_submodule_helper_usage, 0); | |
1028 | ||
1029 | if (update) | |
1030 | if (parse_submodule_update_strategy(update, &suc.update) < 0) | |
1031 | die(_("bad value for update parameter")); | |
1032 | ||
1033 | if (module_list_compute(argc, argv, prefix, &pathspec, &suc.list) < 0) | |
1034 | return 1; | |
1035 | ||
1036 | if (pathspec.nr) | |
1037 | suc.warn_if_uninitialized = 1; | |
1038 | ||
2335b870 | 1039 | run_processes_parallel(max_jobs, |
48308681 SB |
1040 | update_clone_get_next_task, |
1041 | update_clone_start_failure, | |
1042 | update_clone_task_finished, | |
1043 | &suc); | |
1044 | ||
1045 | /* | |
1046 | * We saved the output and put it out all at once now. | |
1047 | * That means: | |
1048 | * - the listener does not have to interleave their (checkout) | |
1049 | * work with our fetching. The writes involved in a | |
1050 | * checkout involve more straightforward sequential I/O. | |
1051 | * - the listener can avoid doing any work if fetching failed. | |
1052 | */ | |
1053 | if (suc.quickstop) | |
1054 | return 1; | |
1055 | ||
1056 | for_each_string_list_item(item, &suc.projectlines) | |
dc4b4a61 | 1057 | fprintf(stdout, "%s", item->string); |
48308681 SB |
1058 | |
1059 | return 0; | |
1060 | } | |
1061 | ||
44431df0 SB |
1062 | static int resolve_relative_path(int argc, const char **argv, const char *prefix) |
1063 | { | |
1064 | struct strbuf sb = STRBUF_INIT; | |
1065 | if (argc != 3) | |
2de26ae1 | 1066 | die("submodule--helper relative-path takes exactly 2 arguments, got %d", argc); |
44431df0 SB |
1067 | |
1068 | printf("%s", relative_path(argv[1], argv[2], &sb)); | |
1069 | strbuf_release(&sb); | |
1070 | return 0; | |
1071 | } | |
1072 | ||
92bbe7cc SB |
1073 | static const char *remote_submodule_branch(const char *path) |
1074 | { | |
1075 | const struct submodule *sub; | |
177257cc BW |
1076 | const char *branch = NULL; |
1077 | char *key; | |
92bbe7cc | 1078 | |
cd73de47 | 1079 | sub = submodule_from_path(&null_oid, path); |
92bbe7cc SB |
1080 | if (!sub) |
1081 | return NULL; | |
1082 | ||
177257cc BW |
1083 | key = xstrfmt("submodule.%s.branch", sub->name); |
1084 | if (repo_config_get_string_const(the_repository, key, &branch)) | |
1085 | branch = sub->branch; | |
1086 | free(key); | |
1087 | ||
1088 | if (!branch) | |
92bbe7cc SB |
1089 | return "master"; |
1090 | ||
177257cc | 1091 | if (!strcmp(branch, ".")) { |
4d7bc52b SB |
1092 | unsigned char sha1[20]; |
1093 | const char *refname = resolve_ref_unsafe("HEAD", 0, sha1, NULL); | |
1094 | ||
1095 | if (!refname) | |
1096 | die(_("No such ref: %s"), "HEAD"); | |
1097 | ||
1098 | /* detached HEAD */ | |
1099 | if (!strcmp(refname, "HEAD")) | |
1100 | die(_("Submodule (%s) branch configured to inherit " | |
1101 | "branch from superproject, but the superproject " | |
1102 | "is not on any branch"), sub->name); | |
1103 | ||
1104 | if (!skip_prefix(refname, "refs/heads/", &refname)) | |
1105 | die(_("Expecting a full ref name, got %s"), refname); | |
1106 | return refname; | |
1107 | } | |
1108 | ||
177257cc | 1109 | return branch; |
92bbe7cc SB |
1110 | } |
1111 | ||
1112 | static int resolve_remote_submodule_branch(int argc, const char **argv, | |
1113 | const char *prefix) | |
1114 | { | |
1115 | const char *ret; | |
1116 | struct strbuf sb = STRBUF_INIT; | |
1117 | if (argc != 2) | |
1118 | die("submodule--helper remote-branch takes exactly one arguments, got %d", argc); | |
1119 | ||
1120 | ret = remote_submodule_branch(argv[1]); | |
1121 | if (!ret) | |
1122 | die("submodule %s doesn't exist", argv[1]); | |
1123 | ||
1124 | printf("%s", ret); | |
1125 | strbuf_release(&sb); | |
1126 | return 0; | |
1127 | } | |
1128 | ||
93481a6b BW |
1129 | static int push_check(int argc, const char **argv, const char *prefix) |
1130 | { | |
1131 | struct remote *remote; | |
c7be7201 BW |
1132 | const char *superproject_head; |
1133 | char *head; | |
1134 | int detached_head = 0; | |
1135 | struct object_id head_oid; | |
93481a6b | 1136 | |
c7be7201 BW |
1137 | if (argc < 3) |
1138 | die("submodule--helper push-check requires at least 2 arguments"); | |
1139 | ||
1140 | /* | |
1141 | * superproject's resolved head ref. | |
1142 | * if HEAD then the superproject is in a detached head state, otherwise | |
1143 | * it will be the resolved head ref. | |
1144 | */ | |
1145 | superproject_head = argv[1]; | |
1146 | argv++; | |
1147 | argc--; | |
1148 | /* Get the submodule's head ref and determine if it is detached */ | |
1149 | head = resolve_refdup("HEAD", 0, head_oid.hash, NULL); | |
1150 | if (!head) | |
1151 | die(_("Failed to resolve HEAD as a valid ref.")); | |
1152 | if (!strcmp(head, "HEAD")) | |
1153 | detached_head = 1; | |
93481a6b BW |
1154 | |
1155 | /* | |
1156 | * The remote must be configured. | |
1157 | * This is to avoid pushing to the exact same URL as the parent. | |
1158 | */ | |
1159 | remote = pushremote_get(argv[1]); | |
1160 | if (!remote || remote->origin == REMOTE_UNCONFIGURED) | |
1161 | die("remote '%s' not configured", argv[1]); | |
1162 | ||
1163 | /* Check the refspec */ | |
1164 | if (argc > 2) { | |
1165 | int i, refspec_nr = argc - 2; | |
1166 | struct ref *local_refs = get_local_heads(); | |
1167 | struct refspec *refspec = parse_push_refspec(refspec_nr, | |
1168 | argv + 2); | |
1169 | ||
1170 | for (i = 0; i < refspec_nr; i++) { | |
1171 | struct refspec *rs = refspec + i; | |
1172 | ||
1173 | if (rs->pattern || rs->matching) | |
1174 | continue; | |
1175 | ||
c7be7201 BW |
1176 | /* LHS must match a single ref */ |
1177 | switch (count_refspec_match(rs->src, local_refs, NULL)) { | |
1178 | case 1: | |
1179 | break; | |
1180 | case 0: | |
1181 | /* | |
1182 | * If LHS matches 'HEAD' then we need to ensure | |
1183 | * that it matches the same named branch | |
1184 | * checked out in the superproject. | |
1185 | */ | |
1186 | if (!strcmp(rs->src, "HEAD")) { | |
1187 | if (!detached_head && | |
1188 | !strcmp(head, superproject_head)) | |
1189 | break; | |
1190 | die("HEAD does not match the named branch in the superproject"); | |
1191 | } | |
1192 | default: | |
93481a6b BW |
1193 | die("src refspec '%s' must name a ref", |
1194 | rs->src); | |
c7be7201 | 1195 | } |
93481a6b BW |
1196 | } |
1197 | free_refspec(refspec_nr, refspec); | |
1198 | } | |
c7be7201 | 1199 | free(head); |
93481a6b BW |
1200 | |
1201 | return 0; | |
1202 | } | |
1203 | ||
f6f85861 SB |
1204 | static int absorb_git_dirs(int argc, const char **argv, const char *prefix) |
1205 | { | |
1206 | int i; | |
1207 | struct pathspec pathspec; | |
1208 | struct module_list list = MODULE_LIST_INIT; | |
1209 | unsigned flags = ABSORB_GITDIR_RECURSE_SUBMODULES; | |
1210 | ||
1211 | struct option embed_gitdir_options[] = { | |
1212 | OPT_STRING(0, "prefix", &prefix, | |
1213 | N_("path"), | |
1214 | N_("path into the working tree")), | |
1215 | OPT_BIT(0, "--recursive", &flags, N_("recurse into submodules"), | |
1216 | ABSORB_GITDIR_RECURSE_SUBMODULES), | |
1217 | OPT_END() | |
1218 | }; | |
1219 | ||
1220 | const char *const git_submodule_helper_usage[] = { | |
1221 | N_("git submodule--helper embed-git-dir [<path>...]"), | |
1222 | NULL | |
1223 | }; | |
1224 | ||
1225 | argc = parse_options(argc, argv, prefix, embed_gitdir_options, | |
1226 | git_submodule_helper_usage, 0); | |
1227 | ||
f6f85861 SB |
1228 | if (module_list_compute(argc, argv, prefix, &pathspec, &list) < 0) |
1229 | return 1; | |
1230 | ||
1231 | for (i = 0; i < list.nr; i++) | |
1232 | absorb_git_dir_into_superproject(prefix, | |
1233 | list.entries[i]->name, flags); | |
1234 | ||
1235 | return 0; | |
1236 | } | |
1237 | ||
5c2bd8b7 BW |
1238 | static int is_active(int argc, const char **argv, const char *prefix) |
1239 | { | |
1240 | if (argc != 2) | |
9af7ec30 | 1241 | die("submodule--helper is-active takes exactly 1 argument"); |
5c2bd8b7 | 1242 | |
627d9342 | 1243 | return !is_submodule_active(the_repository, argv[1]); |
5c2bd8b7 BW |
1244 | } |
1245 | ||
89c86265 SB |
1246 | #define SUPPORT_SUPER_PREFIX (1<<0) |
1247 | ||
74703a1e SB |
1248 | struct cmd_struct { |
1249 | const char *cmd; | |
1250 | int (*fn)(int, const char **, const char *); | |
89c86265 | 1251 | unsigned option; |
74703a1e SB |
1252 | }; |
1253 | ||
1254 | static struct cmd_struct commands[] = { | |
89c86265 SB |
1255 | {"list", module_list, 0}, |
1256 | {"name", module_name, 0}, | |
1257 | {"clone", module_clone, 0}, | |
1258 | {"update-clone", update_clone, 0}, | |
1259 | {"relative-path", resolve_relative_path, 0}, | |
1260 | {"resolve-relative-url", resolve_relative_url, 0}, | |
1261 | {"resolve-relative-url-test", resolve_relative_url_test, 0}, | |
6e7c14e6 | 1262 | {"init", module_init, SUPPORT_SUPER_PREFIX}, |
89c86265 | 1263 | {"remote-branch", resolve_remote_submodule_branch, 0}, |
93481a6b | 1264 | {"push-check", push_check, 0}, |
f6f85861 | 1265 | {"absorb-git-dirs", absorb_git_dirs, SUPPORT_SUPER_PREFIX}, |
5c2bd8b7 | 1266 | {"is-active", is_active, 0}, |
74703a1e SB |
1267 | }; |
1268 | ||
1269 | int cmd_submodule__helper(int argc, const char **argv, const char *prefix) | |
1270 | { | |
1271 | int i; | |
f0994fa8 JK |
1272 | if (argc < 2 || !strcmp(argv[1], "-h")) |
1273 | usage("git submodule--helper <command>"); | |
74703a1e | 1274 | |
89c86265 SB |
1275 | for (i = 0; i < ARRAY_SIZE(commands); i++) { |
1276 | if (!strcmp(argv[1], commands[i].cmd)) { | |
1277 | if (get_super_prefix() && | |
1278 | !(commands[i].option & SUPPORT_SUPER_PREFIX)) | |
1279 | die(_("%s doesn't support --super-prefix"), | |
1280 | commands[i].cmd); | |
74703a1e | 1281 | return commands[i].fn(argc - 1, argv + 1, prefix); |
89c86265 SB |
1282 | } |
1283 | } | |
74703a1e | 1284 | |
cdc04b65 | 1285 | die(_("'%s' is not a valid submodule--helper " |
74703a1e SB |
1286 | "subcommand"), argv[1]); |
1287 | } |