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Commit | Line | Data |
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e724197f | 1 | |
752c0c24 | 2 | #include "cache.h" |
69aba532 | 3 | #include "repository.h" |
b2141fc1 | 4 | #include "config.h" |
851e18c3 | 5 | #include "submodule-config.h" |
752c0c24 JS |
6 | #include "submodule.h" |
7 | #include "dir.h" | |
8 | #include "diff.h" | |
9 | #include "commit.h" | |
10 | #include "revision.h" | |
ee6fc514 | 11 | #include "run-command.h" |
c7e1a736 | 12 | #include "diffcore.h" |
68d03e4a | 13 | #include "refs.h" |
aee9c7d6 | 14 | #include "string-list.h" |
6859de45 | 15 | #include "sha1-array.h" |
c1189cae | 16 | #include "argv-array.h" |
5fee9952 | 17 | #include "blob.h" |
fe85ee6e | 18 | #include "thread-utils.h" |
4638728c | 19 | #include "quote.h" |
06bf4ad1 | 20 | #include "remote.h" |
f6f85861 | 21 | #include "worktree.h" |
046b4823 | 22 | #include "parse-options.h" |
0d4a1321 | 23 | #include "object-store.h" |
64043556 | 24 | #include "commit-reach.h" |
aee9c7d6 | 25 | |
d7a3803f | 26 | static int config_update_recurse_submodules = RECURSE_SUBMODULES_OFF; |
6859de45 | 27 | static int initialized_fetch_ref_tips; |
910650d2 | 28 | static struct oid_array ref_tips_before_fetch; |
29 | static struct oid_array ref_tips_after_fetch; | |
6859de45 | 30 | |
d4e98b58 | 31 | /* |
34e2ba04 BW |
32 | * Check if the .gitmodules file is unmerged. Parsing of the .gitmodules file |
33 | * will be disabled because we can't guess what might be configured in | |
34 | * .gitmodules unless the user resolves the conflict. | |
d4e98b58 | 35 | */ |
34e2ba04 BW |
36 | int is_gitmodules_unmerged(const struct index_state *istate) |
37 | { | |
38 | int pos = index_name_pos(istate, GITMODULES_FILE, strlen(GITMODULES_FILE)); | |
39 | if (pos < 0) { /* .gitmodules not found or isn't merged */ | |
40 | pos = -1 - pos; | |
41 | if (istate->cache_nr > pos) { /* there is a .gitmodules */ | |
42 | const struct cache_entry *ce = istate->cache[pos]; | |
43 | if (ce_namelen(ce) == strlen(GITMODULES_FILE) && | |
44 | !strcmp(ce->name, GITMODULES_FILE)) | |
45 | return 1; | |
46 | } | |
47 | } | |
48 | ||
49 | return 0; | |
50 | } | |
752c0c24 | 51 | |
b5c259f2 AO |
52 | /* |
53 | * Check if the .gitmodules file is safe to write. | |
54 | * | |
55 | * Writing to the .gitmodules file requires that the file exists in the | |
56 | * working tree or, if it doesn't, that a brand new .gitmodules file is going | |
57 | * to be created (i.e. it's neither in the index nor in the current branch). | |
58 | * | |
59 | * It is not safe to write to .gitmodules if it's not in the working tree but | |
60 | * it is in the index or in the current branch, because writing new values | |
61 | * (and staging them) would blindly overwrite ALL the old content. | |
62 | */ | |
63 | int is_writing_gitmodules_ok(void) | |
64 | { | |
65 | struct object_id oid; | |
66 | return file_exists(GITMODULES_FILE) || | |
67 | (get_oid(GITMODULES_INDEX, &oid) < 0 && get_oid(GITMODULES_HEAD, &oid) < 0); | |
68 | } | |
69 | ||
5fee9952 | 70 | /* |
91b83480 BW |
71 | * Check if the .gitmodules file has unstaged modifications. This must be |
72 | * checked before allowing modifications to the .gitmodules file with the | |
73 | * intention to stage them later, because when continuing we would stage the | |
74 | * modifications the user didn't stage herself too. That might change in a | |
75 | * future version when we learn to stage the changes we do ourselves without | |
76 | * staging any previous modifications. | |
5fee9952 | 77 | */ |
7da9aba4 | 78 | int is_staging_gitmodules_ok(struct index_state *istate) |
5fee9952 | 79 | { |
91b83480 BW |
80 | int pos = index_name_pos(istate, GITMODULES_FILE, strlen(GITMODULES_FILE)); |
81 | ||
82 | if ((pos >= 0) && (pos < istate->cache_nr)) { | |
83 | struct stat st; | |
84 | if (lstat(GITMODULES_FILE, &st) == 0 && | |
7edee329 | 85 | ie_modified(istate, istate->cache[pos], &st, 0) & DATA_CHANGED) |
91b83480 BW |
86 | return 0; |
87 | } | |
88 | ||
89 | return 1; | |
5fee9952 JL |
90 | } |
91 | ||
2e2d4040 NTND |
92 | static int for_each_remote_ref_submodule(const char *submodule, |
93 | each_ref_fn fn, void *cb_data) | |
94 | { | |
95 | return refs_for_each_remote_ref(get_submodule_ref_store(submodule), | |
96 | fn, cb_data); | |
97 | } | |
98 | ||
0656781f JL |
99 | /* |
100 | * Try to update the "path" entry in the "submodule.<name>" section of the | |
101 | * .gitmodules file. Return 0 only if a .gitmodules file was found, a section | |
102 | * with the correct path=<oldpath> setting was found and we could update it. | |
103 | */ | |
104 | int update_path_in_gitmodules(const char *oldpath, const char *newpath) | |
105 | { | |
106 | struct strbuf entry = STRBUF_INIT; | |
851e18c3 | 107 | const struct submodule *submodule; |
45f5ef3d | 108 | int ret; |
0656781f | 109 | |
4c0eeafe | 110 | if (!file_exists(GITMODULES_FILE)) /* Do nothing without .gitmodules */ |
0656781f JL |
111 | return -1; |
112 | ||
68f08b4b | 113 | if (is_gitmodules_unmerged(the_repository->index)) |
0656781f JL |
114 | die(_("Cannot change unmerged .gitmodules, resolve merge conflicts first")); |
115 | ||
3b8fb393 | 116 | submodule = submodule_from_path(the_repository, &null_oid, oldpath); |
851e18c3 | 117 | if (!submodule || !submodule->name) { |
0656781f JL |
118 | warning(_("Could not find section in .gitmodules where path=%s"), oldpath); |
119 | return -1; | |
120 | } | |
121 | strbuf_addstr(&entry, "submodule."); | |
851e18c3 | 122 | strbuf_addstr(&entry, submodule->name); |
0656781f | 123 | strbuf_addstr(&entry, ".path"); |
45f5ef3d | 124 | ret = config_set_in_gitmodules_file_gently(entry.buf, newpath); |
0656781f | 125 | strbuf_release(&entry); |
45f5ef3d | 126 | return ret; |
0656781f JL |
127 | } |
128 | ||
95c16418 JL |
129 | /* |
130 | * Try to remove the "submodule.<name>" section from .gitmodules where the given | |
131 | * path is configured. Return 0 only if a .gitmodules file was found, a section | |
132 | * with the correct path=<path> setting was found and we could remove it. | |
133 | */ | |
134 | int remove_path_from_gitmodules(const char *path) | |
135 | { | |
136 | struct strbuf sect = STRBUF_INIT; | |
851e18c3 | 137 | const struct submodule *submodule; |
95c16418 | 138 | |
4c0eeafe | 139 | if (!file_exists(GITMODULES_FILE)) /* Do nothing without .gitmodules */ |
95c16418 JL |
140 | return -1; |
141 | ||
68f08b4b | 142 | if (is_gitmodules_unmerged(the_repository->index)) |
95c16418 JL |
143 | die(_("Cannot change unmerged .gitmodules, resolve merge conflicts first")); |
144 | ||
3b8fb393 | 145 | submodule = submodule_from_path(the_repository, &null_oid, path); |
851e18c3 | 146 | if (!submodule || !submodule->name) { |
95c16418 JL |
147 | warning(_("Could not find section in .gitmodules where path=%s"), path); |
148 | return -1; | |
149 | } | |
150 | strbuf_addstr(§, "submodule."); | |
851e18c3 | 151 | strbuf_addstr(§, submodule->name); |
4c0eeafe | 152 | if (git_config_rename_section_in_file(GITMODULES_FILE, sect.buf, NULL) < 0) { |
95c16418 JL |
153 | /* Maybe the user already did that, don't error out here */ |
154 | warning(_("Could not remove .gitmodules entry for %s"), path); | |
155 | strbuf_release(§); | |
156 | return -1; | |
157 | } | |
158 | strbuf_release(§); | |
159 | return 0; | |
160 | } | |
161 | ||
3b8317a9 | 162 | void stage_updated_gitmodules(struct index_state *istate) |
5fee9952 | 163 | { |
3b8317a9 | 164 | if (add_file_to_index(istate, GITMODULES_FILE, 0)) |
5fee9952 JL |
165 | die(_("staging updated .gitmodules failed")); |
166 | } | |
167 | ||
18cfc088 SB |
168 | /* TODO: remove this function, use repo_submodule_init instead. */ |
169 | int add_submodule_odb(const char *path) | |
752c0c24 JS |
170 | { |
171 | struct strbuf objects_directory = STRBUF_INIT; | |
de7a7960 | 172 | int ret = 0; |
752c0c24 | 173 | |
99b43a61 JK |
174 | ret = strbuf_git_path_submodule(&objects_directory, path, "objects/"); |
175 | if (ret) | |
176 | goto done; | |
de7a7960 JL |
177 | if (!is_directory(objects_directory.buf)) { |
178 | ret = -1; | |
179 | goto done; | |
180 | } | |
a5b34d21 | 181 | add_to_alternates_memory(objects_directory.buf); |
de7a7960 JL |
182 | done: |
183 | strbuf_release(&objects_directory); | |
184 | return ret; | |
752c0c24 JS |
185 | } |
186 | ||
aee9c7d6 JL |
187 | void set_diffopt_flags_from_submodule_config(struct diff_options *diffopt, |
188 | const char *path) | |
189 | { | |
3b8fb393 SB |
190 | const struct submodule *submodule = submodule_from_path(the_repository, |
191 | &null_oid, path); | |
851e18c3 | 192 | if (submodule) { |
fdfa9e97 BW |
193 | const char *ignore; |
194 | char *key; | |
aee9c7d6 | 195 | |
fdfa9e97 BW |
196 | key = xstrfmt("submodule.%s.ignore", submodule->name); |
197 | if (repo_config_get_string_const(the_repository, key, &ignore)) | |
198 | ignore = submodule->ignore; | |
199 | free(key); | |
302ad7a9 | 200 | |
fdfa9e97 BW |
201 | if (ignore) |
202 | handle_ignore_submodules_arg(diffopt, ignore); | |
68f08b4b | 203 | else if (is_gitmodules_unmerged(the_repository->index)) |
0d1e0e78 | 204 | diffopt->flags.ignore_submodules = 1; |
046b4823 SB |
205 | } |
206 | } | |
207 | ||
208 | /* Cheap function that only determines if we're interested in submodules at all */ | |
209 | int git_default_submodule_config(const char *var, const char *value, void *cb) | |
210 | { | |
211 | if (!strcmp(var, "submodule.recurse")) { | |
212 | int v = git_config_bool(var, value) ? | |
213 | RECURSE_SUBMODULES_ON : RECURSE_SUBMODULES_OFF; | |
214 | config_update_recurse_submodules = v; | |
215 | } | |
216 | return 0; | |
1d789d08 SB |
217 | } |
218 | ||
d7a3803f SB |
219 | int option_parse_recurse_submodules_worktree_updater(const struct option *opt, |
220 | const char *arg, int unset) | |
221 | { | |
222 | if (unset) { | |
223 | config_update_recurse_submodules = RECURSE_SUBMODULES_OFF; | |
224 | return 0; | |
225 | } | |
226 | if (arg) | |
227 | config_update_recurse_submodules = | |
228 | parse_update_recurse_submodules_arg(opt->long_name, | |
229 | arg); | |
230 | else | |
231 | config_update_recurse_submodules = RECURSE_SUBMODULES_ON; | |
232 | ||
233 | return 0; | |
234 | } | |
235 | ||
f9f42560 BW |
236 | /* |
237 | * Determine if a submodule has been initialized at a given 'path' | |
238 | */ | |
627d9342 | 239 | int is_submodule_active(struct repository *repo, const char *path) |
f9f42560 BW |
240 | { |
241 | int ret = 0; | |
a086f921 BW |
242 | char *key = NULL; |
243 | char *value = NULL; | |
244 | const struct string_list *sl; | |
627d9342 BW |
245 | const struct submodule *module; |
246 | ||
0c89fdd7 | 247 | module = submodule_from_path(repo, &null_oid, path); |
f9f42560 | 248 | |
a086f921 BW |
249 | /* early return if there isn't a path->module mapping */ |
250 | if (!module) | |
251 | return 0; | |
f9f42560 | 252 | |
a086f921 BW |
253 | /* submodule.<name>.active is set */ |
254 | key = xstrfmt("submodule.%s.active", module->name); | |
627d9342 | 255 | if (!repo_config_get_bool(repo, key, &ret)) { |
a086f921 BW |
256 | free(key); |
257 | return ret; | |
258 | } | |
259 | free(key); | |
f9f42560 | 260 | |
a086f921 | 261 | /* submodule.active is set */ |
627d9342 | 262 | sl = repo_config_get_value_multi(repo, "submodule.active"); |
a086f921 BW |
263 | if (sl) { |
264 | struct pathspec ps; | |
265 | struct argv_array args = ARGV_ARRAY_INIT; | |
266 | const struct string_list_item *item; | |
f9f42560 | 267 | |
a086f921 BW |
268 | for_each_string_list_item(item, sl) { |
269 | argv_array_push(&args, item->string); | |
270 | } | |
271 | ||
272 | parse_pathspec(&ps, 0, 0, NULL, args.argv); | |
68f08b4b | 273 | ret = match_pathspec(repo->index, &ps, path, strlen(path), 0, NULL, 1); |
a086f921 BW |
274 | |
275 | argv_array_clear(&args); | |
276 | clear_pathspec(&ps); | |
277 | return ret; | |
f9f42560 BW |
278 | } |
279 | ||
a086f921 BW |
280 | /* fallback to checking if the URL is set */ |
281 | key = xstrfmt("submodule.%s.url", module->name); | |
627d9342 | 282 | ret = !repo_config_get_string(repo, key, &value); |
a086f921 BW |
283 | |
284 | free(value); | |
285 | free(key); | |
f9f42560 BW |
286 | return ret; |
287 | } | |
288 | ||
15cdc647 | 289 | int is_submodule_populated_gently(const char *path, int *return_error_code) |
5688c28d BW |
290 | { |
291 | int ret = 0; | |
292 | char *gitdir = xstrfmt("%s/.git", path); | |
293 | ||
15cdc647 | 294 | if (resolve_gitdir_gently(gitdir, return_error_code)) |
5688c28d BW |
295 | ret = 1; |
296 | ||
297 | free(gitdir); | |
298 | return ret; | |
299 | } | |
300 | ||
bdab9721 BW |
301 | /* |
302 | * Dies if the provided 'prefix' corresponds to an unpopulated submodule | |
303 | */ | |
304 | void die_in_unpopulated_submodule(const struct index_state *istate, | |
305 | const char *prefix) | |
306 | { | |
307 | int i, prefixlen; | |
308 | ||
309 | if (!prefix) | |
310 | return; | |
311 | ||
312 | prefixlen = strlen(prefix); | |
313 | ||
314 | for (i = 0; i < istate->cache_nr; i++) { | |
315 | struct cache_entry *ce = istate->cache[i]; | |
316 | int ce_len = ce_namelen(ce); | |
317 | ||
318 | if (!S_ISGITLINK(ce->ce_mode)) | |
319 | continue; | |
320 | if (prefixlen <= ce_len) | |
321 | continue; | |
322 | if (strncmp(ce->name, prefix, ce_len)) | |
323 | continue; | |
324 | if (prefix[ce_len] != '/') | |
325 | continue; | |
326 | ||
327 | die(_("in unpopulated submodule '%s'"), ce->name); | |
328 | } | |
329 | } | |
330 | ||
c08397e3 BW |
331 | /* |
332 | * Dies if any paths in the provided pathspec descends into a submodule | |
333 | */ | |
334 | void die_path_inside_submodule(const struct index_state *istate, | |
335 | const struct pathspec *ps) | |
336 | { | |
337 | int i, j; | |
338 | ||
339 | for (i = 0; i < istate->cache_nr; i++) { | |
340 | struct cache_entry *ce = istate->cache[i]; | |
341 | int ce_len = ce_namelen(ce); | |
342 | ||
343 | if (!S_ISGITLINK(ce->ce_mode)) | |
344 | continue; | |
345 | ||
346 | for (j = 0; j < ps->nr ; j++) { | |
347 | const struct pathspec_item *item = &ps->items[j]; | |
348 | ||
349 | if (item->len <= ce_len) | |
350 | continue; | |
351 | if (item->match[ce_len] != '/') | |
352 | continue; | |
353 | if (strncmp(ce->name, item->match, ce_len)) | |
354 | continue; | |
355 | if (item->len == ce_len + 1) | |
356 | continue; | |
357 | ||
358 | die(_("Pathspec '%s' is in submodule '%.*s'"), | |
359 | item->original, ce_len, ce->name); | |
360 | } | |
361 | } | |
362 | } | |
363 | ||
ec6141a0 | 364 | enum submodule_update_type parse_submodule_update_type(const char *value) |
ea2fa5a3 | 365 | { |
ea2fa5a3 | 366 | if (!strcmp(value, "none")) |
ec6141a0 | 367 | return SM_UPDATE_NONE; |
ea2fa5a3 | 368 | else if (!strcmp(value, "checkout")) |
ec6141a0 | 369 | return SM_UPDATE_CHECKOUT; |
ea2fa5a3 | 370 | else if (!strcmp(value, "rebase")) |
ec6141a0 | 371 | return SM_UPDATE_REBASE; |
ea2fa5a3 | 372 | else if (!strcmp(value, "merge")) |
ec6141a0 BW |
373 | return SM_UPDATE_MERGE; |
374 | else if (*value == '!') | |
375 | return SM_UPDATE_COMMAND; | |
376 | else | |
377 | return SM_UPDATE_UNSPECIFIED; | |
378 | } | |
379 | ||
380 | int parse_submodule_update_strategy(const char *value, | |
381 | struct submodule_update_strategy *dst) | |
382 | { | |
383 | enum submodule_update_type type; | |
384 | ||
385 | free((void*)dst->command); | |
386 | dst->command = NULL; | |
387 | ||
388 | type = parse_submodule_update_type(value); | |
389 | if (type == SM_UPDATE_UNSPECIFIED) | |
ea2fa5a3 | 390 | return -1; |
ec6141a0 BW |
391 | |
392 | dst->type = type; | |
393 | if (type == SM_UPDATE_COMMAND) | |
394 | dst->command = xstrdup(value + 1); | |
395 | ||
ea2fa5a3 SB |
396 | return 0; |
397 | } | |
398 | ||
3604242f SB |
399 | const char *submodule_strategy_to_string(const struct submodule_update_strategy *s) |
400 | { | |
401 | struct strbuf sb = STRBUF_INIT; | |
402 | switch (s->type) { | |
403 | case SM_UPDATE_CHECKOUT: | |
404 | return "checkout"; | |
405 | case SM_UPDATE_MERGE: | |
406 | return "merge"; | |
407 | case SM_UPDATE_REBASE: | |
408 | return "rebase"; | |
409 | case SM_UPDATE_NONE: | |
410 | return "none"; | |
411 | case SM_UPDATE_UNSPECIFIED: | |
412 | return NULL; | |
413 | case SM_UPDATE_COMMAND: | |
414 | strbuf_addf(&sb, "!%s", s->command); | |
415 | return strbuf_detach(&sb, NULL); | |
416 | } | |
417 | return NULL; | |
418 | } | |
419 | ||
46a958b3 JL |
420 | void handle_ignore_submodules_arg(struct diff_options *diffopt, |
421 | const char *arg) | |
422 | { | |
0d1e0e78 BW |
423 | diffopt->flags.ignore_submodules = 0; |
424 | diffopt->flags.ignore_untracked_in_submodules = 0; | |
425 | diffopt->flags.ignore_dirty_submodules = 0; | |
be4f2b40 | 426 | |
46a958b3 | 427 | if (!strcmp(arg, "all")) |
0d1e0e78 | 428 | diffopt->flags.ignore_submodules = 1; |
46a958b3 | 429 | else if (!strcmp(arg, "untracked")) |
0d1e0e78 | 430 | diffopt->flags.ignore_untracked_in_submodules = 1; |
46a958b3 | 431 | else if (!strcmp(arg, "dirty")) |
0d1e0e78 | 432 | diffopt->flags.ignore_dirty_submodules = 1; |
aee9c7d6 | 433 | else if (strcmp(arg, "none")) |
a4ffbbbb | 434 | die(_("bad --ignore-submodules argument: %s"), arg); |
5a59a230 NTND |
435 | /* |
436 | * Please update _git_status() in git-completion.bash when you | |
437 | * add new options | |
438 | */ | |
46a958b3 JL |
439 | } |
440 | ||
808a95dc JN |
441 | static int prepare_submodule_summary(struct rev_info *rev, const char *path, |
442 | struct commit *left, struct commit *right, | |
8e6df650 | 443 | struct commit_list *merge_bases) |
808a95dc | 444 | { |
8e6df650 | 445 | struct commit_list *list; |
808a95dc | 446 | |
2abf3503 | 447 | repo_init_revisions(the_repository, rev, NULL); |
808a95dc JN |
448 | setup_revisions(0, NULL, rev, NULL); |
449 | rev->left_right = 1; | |
450 | rev->first_parent_only = 1; | |
451 | left->object.flags |= SYMMETRIC_LEFT; | |
452 | add_pending_object(rev, &left->object, path); | |
453 | add_pending_object(rev, &right->object, path); | |
808a95dc JN |
454 | for (list = merge_bases; list; list = list->next) { |
455 | list->item->object.flags |= UNINTERESTING; | |
456 | add_pending_object(rev, &list->item->object, | |
f2fd0760 | 457 | oid_to_hex(&list->item->object.oid)); |
808a95dc JN |
458 | } |
459 | return prepare_revision_walk(rev); | |
460 | } | |
461 | ||
605f0ec1 | 462 | static void print_submodule_summary(struct repository *r, struct rev_info *rev, struct diff_options *o) |
808a95dc JN |
463 | { |
464 | static const char format[] = " %m %s"; | |
465 | struct strbuf sb = STRBUF_INIT; | |
466 | struct commit *commit; | |
467 | ||
468 | while ((commit = get_revision(rev))) { | |
469 | struct pretty_print_context ctx = {0}; | |
470 | ctx.date_mode = rev->date_mode; | |
ecaee805 | 471 | ctx.output_encoding = get_log_output_encoding(); |
808a95dc | 472 | strbuf_setlen(&sb, 0); |
605f0ec1 SB |
473 | repo_format_commit_message(r, commit, format, &sb, |
474 | &ctx); | |
808a95dc | 475 | strbuf_addch(&sb, '\n'); |
f3597138 SB |
476 | if (commit->object.flags & SYMMETRIC_LEFT) |
477 | diff_emit_submodule_del(o, sb.buf); | |
478 | else | |
479 | diff_emit_submodule_add(o, sb.buf); | |
808a95dc JN |
480 | } |
481 | strbuf_release(&sb); | |
482 | } | |
483 | ||
6cd5757c SB |
484 | static void prepare_submodule_repo_env_no_git_dir(struct argv_array *out) |
485 | { | |
486 | const char * const *var; | |
487 | ||
488 | for (var = local_repo_env; *var; var++) { | |
489 | if (strcmp(*var, CONFIG_DATA_ENVIRONMENT)) | |
490 | argv_array_push(out, *var); | |
491 | } | |
492 | } | |
493 | ||
494 | void prepare_submodule_repo_env(struct argv_array *out) | |
495 | { | |
496 | prepare_submodule_repo_env_no_git_dir(out); | |
497 | argv_array_pushf(out, "%s=%s", GIT_DIR_ENVIRONMENT, | |
498 | DEFAULT_GIT_DIR_ENVIRONMENT); | |
499 | } | |
500 | ||
a62387b3 SB |
501 | static void prepare_submodule_repo_env_in_gitdir(struct argv_array *out) |
502 | { | |
503 | prepare_submodule_repo_env_no_git_dir(out); | |
504 | argv_array_pushf(out, "%s=.", GIT_DIR_ENVIRONMENT); | |
505 | } | |
506 | ||
605f0ec1 SB |
507 | /* |
508 | * Initialize a repository struct for a submodule based on the provided 'path'. | |
509 | * | |
510 | * Unlike repo_submodule_init, this tolerates submodules not present | |
511 | * in .gitmodules. This function exists only to preserve historical behavior, | |
512 | * | |
513 | * Returns the repository struct on success, | |
514 | * NULL when the submodule is not present. | |
8e6df650 | 515 | */ |
605f0ec1 SB |
516 | static struct repository *open_submodule(const char *path) |
517 | { | |
518 | struct strbuf sb = STRBUF_INIT; | |
519 | struct repository *out = xmalloc(sizeof(*out)); | |
520 | ||
521 | if (submodule_to_gitdir(&sb, path) || repo_init(out, sb.buf, NULL)) { | |
522 | strbuf_release(&sb); | |
523 | free(out); | |
524 | return NULL; | |
525 | } | |
526 | ||
527 | /* Mark it as a submodule */ | |
528 | out->submodule_prefix = xstrdup(path); | |
529 | ||
530 | strbuf_release(&sb); | |
531 | return out; | |
532 | } | |
533 | ||
534 | /* | |
535 | * Helper function to display the submodule header line prior to the full | |
536 | * summary output. | |
537 | * | |
538 | * If it can locate the submodule git directory it will create a repository | |
539 | * handle for the submodule and lookup both the left and right commits and | |
540 | * put them into the left and right pointers. | |
8e6df650 | 541 | */ |
605f0ec1 SB |
542 | static void show_submodule_header(struct diff_options *o, |
543 | const char *path, | |
602a283a | 544 | struct object_id *one, struct object_id *two, |
f3597138 | 545 | unsigned dirty_submodule, |
605f0ec1 | 546 | struct repository *sub, |
8e6df650 JK |
547 | struct commit **left, struct commit **right, |
548 | struct commit_list **merge_bases) | |
752c0c24 | 549 | { |
752c0c24 JS |
550 | const char *message = NULL; |
551 | struct strbuf sb = STRBUF_INIT; | |
752c0c24 JS |
552 | int fast_forward = 0, fast_backward = 0; |
553 | ||
c7e1a736 | 554 | if (dirty_submodule & DIRTY_SUBMODULE_UNTRACKED) |
f3597138 SB |
555 | diff_emit_submodule_untracked(o, path); |
556 | ||
c7e1a736 | 557 | if (dirty_submodule & DIRTY_SUBMODULE_MODIFIED) |
f3597138 | 558 | diff_emit_submodule_modified(o, path); |
c7e1a736 | 559 | |
8e6df650 JK |
560 | if (is_null_oid(one)) |
561 | message = "(new submodule)"; | |
562 | else if (is_null_oid(two)) | |
563 | message = "(submodule deleted)"; | |
564 | ||
605f0ec1 | 565 | if (!sub) { |
8e6df650 | 566 | if (!message) |
2d94dd2f | 567 | message = "(commits not present)"; |
8e6df650 JK |
568 | goto output_header; |
569 | } | |
570 | ||
571 | /* | |
572 | * Attempt to lookup the commit references, and determine if this is | |
573 | * a fast forward or fast backwards update. | |
574 | */ | |
605f0ec1 SB |
575 | *left = lookup_commit_reference(sub, one); |
576 | *right = lookup_commit_reference(sub, two); | |
8e6df650 JK |
577 | |
578 | /* | |
579 | * Warn about missing commits in the submodule project, but only if | |
580 | * they aren't null. | |
581 | */ | |
582 | if ((!is_null_oid(one) && !*left) || | |
583 | (!is_null_oid(two) && !*right)) | |
584 | message = "(commits not present)"; | |
585 | ||
605f0ec1 | 586 | *merge_bases = repo_get_merge_bases(sub, *left, *right); |
8e6df650 JK |
587 | if (*merge_bases) { |
588 | if ((*merge_bases)->item == *left) | |
589 | fast_forward = 1; | |
590 | else if ((*merge_bases)->item == *right) | |
591 | fast_backward = 1; | |
592 | } | |
593 | ||
4a7e27e9 | 594 | if (oideq(one, two)) { |
c7e1a736 JL |
595 | strbuf_release(&sb); |
596 | return; | |
597 | } | |
598 | ||
8e6df650 | 599 | output_header: |
f3597138 | 600 | strbuf_addf(&sb, "Submodule %s ", path); |
30e677e0 | 601 | strbuf_add_unique_abbrev(&sb, one, DEFAULT_ABBREV); |
a94bb683 | 602 | strbuf_addstr(&sb, (fast_backward || fast_forward) ? ".." : "..."); |
30e677e0 | 603 | strbuf_add_unique_abbrev(&sb, two, DEFAULT_ABBREV); |
752c0c24 | 604 | if (message) |
f3597138 | 605 | strbuf_addf(&sb, " %s\n", message); |
752c0c24 | 606 | else |
f3597138 SB |
607 | strbuf_addf(&sb, "%s:\n", fast_backward ? " (rewind)" : ""); |
608 | diff_emit_submodule_header(o, sb.buf); | |
752c0c24 | 609 | |
752c0c24 JS |
610 | strbuf_release(&sb); |
611 | } | |
ee6fc514 | 612 | |
f3597138 | 613 | void show_submodule_summary(struct diff_options *o, const char *path, |
8e6df650 | 614 | struct object_id *one, struct object_id *two, |
f3597138 | 615 | unsigned dirty_submodule) |
8e6df650 JK |
616 | { |
617 | struct rev_info rev; | |
618 | struct commit *left = NULL, *right = NULL; | |
619 | struct commit_list *merge_bases = NULL; | |
605f0ec1 | 620 | struct repository *sub; |
8e6df650 | 621 | |
605f0ec1 | 622 | sub = open_submodule(path); |
f3597138 | 623 | show_submodule_header(o, path, one, two, dirty_submodule, |
605f0ec1 | 624 | sub, &left, &right, &merge_bases); |
8e6df650 JK |
625 | |
626 | /* | |
627 | * If we don't have both a left and a right pointer, there is no | |
628 | * reason to try and display a summary. The header line should contain | |
629 | * all the information the user needs. | |
630 | */ | |
605f0ec1 | 631 | if (!left || !right || !sub) |
8e6df650 JK |
632 | goto out; |
633 | ||
634 | /* Treat revision walker failure the same as missing commits */ | |
635 | if (prepare_submodule_summary(&rev, path, left, right, merge_bases)) { | |
f3597138 | 636 | diff_emit_submodule_error(o, "(revision walker failed)\n"); |
8e6df650 JK |
637 | goto out; |
638 | } | |
639 | ||
605f0ec1 | 640 | print_submodule_summary(sub, &rev, o); |
8e6df650 JK |
641 | |
642 | out: | |
643 | if (merge_bases) | |
644 | free_commit_list(merge_bases); | |
645 | clear_commit_marks(left, ~0); | |
646 | clear_commit_marks(right, ~0); | |
605f0ec1 SB |
647 | if (sub) { |
648 | repo_clear(sub); | |
649 | free(sub); | |
650 | } | |
8e6df650 JK |
651 | } |
652 | ||
f3597138 | 653 | void show_submodule_inline_diff(struct diff_options *o, const char *path, |
fd47ae6a | 654 | struct object_id *one, struct object_id *two, |
f3597138 | 655 | unsigned dirty_submodule) |
fd47ae6a | 656 | { |
bc099914 | 657 | const struct object_id *old_oid = the_hash_algo->empty_tree, *new_oid = the_hash_algo->empty_tree; |
fd47ae6a JK |
658 | struct commit *left = NULL, *right = NULL; |
659 | struct commit_list *merge_bases = NULL; | |
fd47ae6a | 660 | struct child_process cp = CHILD_PROCESS_INIT; |
f3597138 | 661 | struct strbuf sb = STRBUF_INIT; |
605f0ec1 | 662 | struct repository *sub; |
fd47ae6a | 663 | |
605f0ec1 | 664 | sub = open_submodule(path); |
f3597138 | 665 | show_submodule_header(o, path, one, two, dirty_submodule, |
605f0ec1 | 666 | sub, &left, &right, &merge_bases); |
fd47ae6a JK |
667 | |
668 | /* We need a valid left and right commit to display a difference */ | |
669 | if (!(left || is_null_oid(one)) || | |
670 | !(right || is_null_oid(two))) | |
671 | goto done; | |
672 | ||
673 | if (left) | |
bc099914 | 674 | old_oid = one; |
fd47ae6a | 675 | if (right) |
bc099914 | 676 | new_oid = two; |
fd47ae6a | 677 | |
fd47ae6a JK |
678 | cp.git_cmd = 1; |
679 | cp.dir = path; | |
f3597138 | 680 | cp.out = -1; |
fd47ae6a JK |
681 | cp.no_stdin = 1; |
682 | ||
683 | /* TODO: other options may need to be passed here. */ | |
5a522142 | 684 | argv_array_pushl(&cp.args, "diff", "--submodule=diff", NULL); |
f3597138 SB |
685 | argv_array_pushf(&cp.args, "--color=%s", want_color(o->use_color) ? |
686 | "always" : "never"); | |
5a522142 | 687 | |
0d1e0e78 | 688 | if (o->flags.reverse_diff) { |
fd47ae6a JK |
689 | argv_array_pushf(&cp.args, "--src-prefix=%s%s/", |
690 | o->b_prefix, path); | |
691 | argv_array_pushf(&cp.args, "--dst-prefix=%s%s/", | |
692 | o->a_prefix, path); | |
693 | } else { | |
694 | argv_array_pushf(&cp.args, "--src-prefix=%s%s/", | |
695 | o->a_prefix, path); | |
696 | argv_array_pushf(&cp.args, "--dst-prefix=%s%s/", | |
697 | o->b_prefix, path); | |
698 | } | |
bc099914 | 699 | argv_array_push(&cp.args, oid_to_hex(old_oid)); |
fd47ae6a JK |
700 | /* |
701 | * If the submodule has modified content, we will diff against the | |
702 | * work tree, under the assumption that the user has asked for the | |
703 | * diff format and wishes to actually see all differences even if they | |
704 | * haven't yet been committed to the submodule yet. | |
705 | */ | |
706 | if (!(dirty_submodule & DIRTY_SUBMODULE_MODIFIED)) | |
bc099914 | 707 | argv_array_push(&cp.args, oid_to_hex(new_oid)); |
fd47ae6a | 708 | |
17b254cd | 709 | prepare_submodule_repo_env(&cp.env_array); |
f3597138 SB |
710 | if (start_command(&cp)) |
711 | diff_emit_submodule_error(o, "(diff failed)\n"); | |
712 | ||
713 | while (strbuf_getwholeline_fd(&sb, cp.out, '\n') != EOF) | |
714 | diff_emit_submodule_pipethrough(o, sb.buf, sb.len); | |
715 | ||
716 | if (finish_command(&cp)) | |
717 | diff_emit_submodule_error(o, "(diff failed)\n"); | |
fd47ae6a JK |
718 | |
719 | done: | |
f3597138 | 720 | strbuf_release(&sb); |
fd47ae6a JK |
721 | if (merge_bases) |
722 | free_commit_list(merge_bases); | |
723 | if (left) | |
724 | clear_commit_marks(left, ~0); | |
725 | if (right) | |
726 | clear_commit_marks(right, ~0); | |
605f0ec1 SB |
727 | if (sub) { |
728 | repo_clear(sub); | |
729 | free(sub); | |
730 | } | |
fd47ae6a JK |
731 | } |
732 | ||
84f8925e SB |
733 | int should_update_submodules(void) |
734 | { | |
735 | return config_update_recurse_submodules == RECURSE_SUBMODULES_ON; | |
736 | } | |
737 | ||
738 | const struct submodule *submodule_from_ce(const struct cache_entry *ce) | |
739 | { | |
740 | if (!S_ISGITLINK(ce->ce_mode)) | |
741 | return NULL; | |
742 | ||
743 | if (!should_update_submodules()) | |
744 | return NULL; | |
745 | ||
3b8fb393 | 746 | return submodule_from_path(the_repository, &null_oid, ce->name); |
84f8925e SB |
747 | } |
748 | ||
aacc5c1a | 749 | static struct oid_array *submodule_commits(struct string_list *submodules, |
c68f8375 | 750 | const char *name) |
aacc5c1a BW |
751 | { |
752 | struct string_list_item *item; | |
753 | ||
c68f8375 | 754 | item = string_list_insert(submodules, name); |
aacc5c1a BW |
755 | if (item->util) |
756 | return (struct oid_array *) item->util; | |
757 | ||
758 | /* NEEDSWORK: should we have oid_array_init()? */ | |
759 | item->util = xcalloc(1, sizeof(struct oid_array)); | |
760 | return (struct oid_array *) item->util; | |
761 | } | |
762 | ||
c68f8375 | 763 | struct collect_changed_submodules_cb_data { |
6245b98b | 764 | struct repository *repo; |
c68f8375 HV |
765 | struct string_list *changed; |
766 | const struct object_id *commit_oid; | |
767 | }; | |
768 | ||
769 | /* | |
770 | * this would normally be two functions: default_name_from_path() and | |
771 | * path_from_default_name(). Since the default name is the same as | |
772 | * the submodule path we can get away with just one function which only | |
773 | * checks whether there is a submodule in the working directory at that | |
774 | * location. | |
775 | */ | |
776 | static const char *default_name_or_path(const char *path_or_name) | |
777 | { | |
778 | int error_code; | |
779 | ||
780 | if (!is_submodule_populated_gently(path_or_name, &error_code)) | |
781 | return NULL; | |
782 | ||
783 | return path_or_name; | |
784 | } | |
785 | ||
aacc5c1a BW |
786 | static void collect_changed_submodules_cb(struct diff_queue_struct *q, |
787 | struct diff_options *options, | |
788 | void *data) | |
789 | { | |
c68f8375 HV |
790 | struct collect_changed_submodules_cb_data *me = data; |
791 | struct string_list *changed = me->changed; | |
792 | const struct object_id *commit_oid = me->commit_oid; | |
aacc5c1a | 793 | int i; |
aacc5c1a BW |
794 | |
795 | for (i = 0; i < q->nr; i++) { | |
796 | struct diff_filepair *p = q->queue[i]; | |
797 | struct oid_array *commits; | |
c68f8375 HV |
798 | const struct submodule *submodule; |
799 | const char *name; | |
800 | ||
aacc5c1a BW |
801 | if (!S_ISGITLINK(p->two->mode)) |
802 | continue; | |
803 | ||
6245b98b | 804 | submodule = submodule_from_path(me->repo, |
3b8fb393 | 805 | commit_oid, p->two->path); |
c68f8375 HV |
806 | if (submodule) |
807 | name = submodule->name; | |
808 | else { | |
809 | name = default_name_or_path(p->two->path); | |
810 | /* make sure name does not collide with existing one */ | |
5fc84755 | 811 | if (name) |
6245b98b | 812 | submodule = submodule_from_name(me->repo, |
5fc84755 | 813 | commit_oid, name); |
c68f8375 | 814 | if (submodule) { |
a4ffbbbb | 815 | warning(_("Submodule in commit %s at path: " |
c68f8375 | 816 | "'%s' collides with a submodule named " |
a4ffbbbb | 817 | "the same. Skipping it."), |
5fc84755 | 818 | oid_to_hex(commit_oid), p->two->path); |
c68f8375 HV |
819 | name = NULL; |
820 | } | |
aacc5c1a | 821 | } |
c68f8375 HV |
822 | |
823 | if (!name) | |
824 | continue; | |
825 | ||
826 | commits = submodule_commits(changed, name); | |
827 | oid_array_append(commits, &p->two->oid); | |
aacc5c1a BW |
828 | } |
829 | } | |
830 | ||
831 | /* | |
832 | * Collect the paths of submodules in 'changed' which have changed based on | |
833 | * the revisions as specified in 'argv'. Each entry in 'changed' will also | |
834 | * have a corresponding 'struct oid_array' (in the 'util' field) which lists | |
835 | * what the submodule pointers were updated to during the change. | |
836 | */ | |
6245b98b | 837 | static void collect_changed_submodules(struct repository *r, |
174d131f | 838 | struct string_list *changed, |
aacc5c1a BW |
839 | struct argv_array *argv) |
840 | { | |
841 | struct rev_info rev; | |
842 | const struct commit *commit; | |
843 | ||
6245b98b | 844 | repo_init_revisions(r, &rev, NULL); |
aacc5c1a BW |
845 | setup_revisions(argv->argc, argv->argv, &rev, NULL); |
846 | if (prepare_revision_walk(&rev)) | |
a4ffbbbb | 847 | die(_("revision walk setup failed")); |
aacc5c1a BW |
848 | |
849 | while ((commit = get_revision(&rev))) { | |
850 | struct rev_info diff_rev; | |
c68f8375 | 851 | struct collect_changed_submodules_cb_data data; |
6245b98b | 852 | data.repo = r; |
c68f8375 HV |
853 | data.changed = changed; |
854 | data.commit_oid = &commit->object.oid; | |
aacc5c1a | 855 | |
6245b98b | 856 | repo_init_revisions(r, &diff_rev, NULL); |
aacc5c1a BW |
857 | diff_rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK; |
858 | diff_rev.diffopt.format_callback = collect_changed_submodules_cb; | |
c68f8375 | 859 | diff_rev.diffopt.format_callback_data = &data; |
aacc5c1a BW |
860 | diff_tree_combined_merge(commit, 1, &diff_rev); |
861 | } | |
862 | ||
863 | reset_revision_walk(); | |
864 | } | |
865 | ||
866 | static void free_submodules_oids(struct string_list *submodules) | |
867 | { | |
868 | struct string_list_item *item; | |
869 | for_each_string_list_item(item, submodules) | |
870 | oid_array_clear((struct oid_array *) item->util); | |
871 | string_list_clear(submodules, 1); | |
872 | } | |
873 | ||
7290ef58 MH |
874 | static int has_remote(const char *refname, const struct object_id *oid, |
875 | int flags, void *cb_data) | |
d2b17b32 FG |
876 | { |
877 | return 1; | |
878 | } | |
879 | ||
1b7ba794 | 880 | static int append_oid_to_argv(const struct object_id *oid, void *data) |
d2b17b32 | 881 | { |
9cfa1c26 | 882 | struct argv_array *argv = data; |
1b7ba794 | 883 | argv_array_push(argv, oid_to_hex(oid)); |
9cfa1c26 HV |
884 | return 0; |
885 | } | |
886 | ||
3c96aa97 | 887 | struct has_commit_data { |
6245b98b | 888 | struct repository *repo; |
3c96aa97 SB |
889 | int result; |
890 | const char *path; | |
891 | }; | |
892 | ||
1b7ba794 | 893 | static int check_has_commit(const struct object_id *oid, void *data) |
d2b17b32 | 894 | { |
3c96aa97 | 895 | struct has_commit_data *cb = data; |
5b6607d2 | 896 | |
6245b98b | 897 | enum object_type type = oid_object_info(cb->repo, oid, NULL); |
5b6607d2 | 898 | |
3c96aa97 SB |
899 | switch (type) { |
900 | case OBJ_COMMIT: | |
901 | return 0; | |
902 | case OBJ_BAD: | |
903 | /* | |
904 | * Object is missing or invalid. If invalid, an error message | |
905 | * has already been printed. | |
906 | */ | |
907 | cb->result = 0; | |
908 | return 0; | |
909 | default: | |
910 | die(_("submodule entry '%s' (%s) is a %s, not a commit"), | |
debca9d2 | 911 | cb->path, oid_to_hex(oid), type_name(type)); |
3c96aa97 | 912 | } |
5b6607d2 HV |
913 | } |
914 | ||
6245b98b NTND |
915 | static int submodule_has_commits(struct repository *r, |
916 | const char *path, | |
917 | struct oid_array *commits) | |
5b6607d2 | 918 | { |
6245b98b | 919 | struct has_commit_data has_commit = { r, 1, path }; |
5b6607d2 | 920 | |
7c8d2b00 | 921 | /* |
64127575 | 922 | * Perform a cheap, but incorrect check for the existence of 'commits'. |
7c8d2b00 | 923 | * This is done by adding the submodule's object store to the in-core |
64127575 | 924 | * object store, and then querying for each commit's existence. If we |
7c8d2b00 BW |
925 | * do not have the commit object anywhere, there is no chance we have |
926 | * it in the object store of the correct submodule and have it | |
927 | * reachable from a ref, so we can fail early without spawning rev-list | |
928 | * which is expensive. | |
929 | */ | |
5b6607d2 HV |
930 | if (add_submodule_odb(path)) |
931 | return 0; | |
932 | ||
910650d2 | 933 | oid_array_for_each_unique(commits, check_has_commit, &has_commit); |
7c8d2b00 | 934 | |
3c96aa97 | 935 | if (has_commit.result) { |
7c8d2b00 BW |
936 | /* |
937 | * Even if the submodule is checked out and the commit is | |
938 | * present, make sure it exists in the submodule's object store | |
939 | * and that it is reachable from a ref. | |
940 | */ | |
941 | struct child_process cp = CHILD_PROCESS_INIT; | |
942 | struct strbuf out = STRBUF_INIT; | |
943 | ||
944 | argv_array_pushl(&cp.args, "rev-list", "-n", "1", NULL); | |
945 | oid_array_for_each_unique(commits, append_oid_to_argv, &cp.args); | |
946 | argv_array_pushl(&cp.args, "--not", "--all", NULL); | |
947 | ||
948 | prepare_submodule_repo_env(&cp.env_array); | |
949 | cp.git_cmd = 1; | |
950 | cp.no_stdin = 1; | |
951 | cp.dir = path; | |
952 | ||
953 | if (capture_command(&cp, &out, GIT_MAX_HEXSZ + 1) || out.len) | |
3c96aa97 | 954 | has_commit.result = 0; |
7c8d2b00 BW |
955 | |
956 | strbuf_release(&out); | |
957 | } | |
958 | ||
3c96aa97 | 959 | return has_commit.result; |
5b6607d2 HV |
960 | } |
961 | ||
6245b98b NTND |
962 | static int submodule_needs_pushing(struct repository *r, |
963 | const char *path, | |
964 | struct oid_array *commits) | |
5b6607d2 | 965 | { |
6245b98b | 966 | if (!submodule_has_commits(r, path, commits)) |
250ab24a HV |
967 | /* |
968 | * NOTE: We do consider it safe to return "no" here. The | |
969 | * correct answer would be "We do not know" instead of | |
970 | * "No push needed", but it is quite hard to change | |
971 | * the submodule pointer without having the submodule | |
972 | * around. If a user did however change the submodules | |
973 | * without having the submodule around, this indicates | |
974 | * an expert who knows what they are doing or a | |
975 | * maintainer integrating work from other people. In | |
976 | * both cases it should be safe to skip this check. | |
977 | */ | |
d2b17b32 FG |
978 | return 0; |
979 | ||
980 | if (for_each_remote_ref_submodule(path, has_remote, NULL) > 0) { | |
d3180279 | 981 | struct child_process cp = CHILD_PROCESS_INIT; |
d2b17b32 FG |
982 | struct strbuf buf = STRBUF_INIT; |
983 | int needs_pushing = 0; | |
984 | ||
5b6607d2 | 985 | argv_array_push(&cp.args, "rev-list"); |
910650d2 | 986 | oid_array_for_each_unique(commits, append_oid_to_argv, &cp.args); |
5b6607d2 HV |
987 | argv_array_pushl(&cp.args, "--not", "--remotes", "-n", "1" , NULL); |
988 | ||
c12e8656 | 989 | prepare_submodule_repo_env(&cp.env_array); |
d2b17b32 FG |
990 | cp.git_cmd = 1; |
991 | cp.no_stdin = 1; | |
992 | cp.out = -1; | |
993 | cp.dir = path; | |
994 | if (start_command(&cp)) | |
a4ffbbbb | 995 | die(_("Could not run 'git rev-list <commits> --not --remotes -n 1' command in submodule %s"), |
5b6607d2 | 996 | path); |
db1ba2a2 | 997 | if (strbuf_read(&buf, cp.out, the_hash_algo->hexsz + 1)) |
d2b17b32 FG |
998 | needs_pushing = 1; |
999 | finish_command(&cp); | |
1000 | close(cp.out); | |
1001 | strbuf_release(&buf); | |
1002 | return needs_pushing; | |
1003 | } | |
1004 | ||
1005 | return 0; | |
1006 | } | |
1007 | ||
6245b98b | 1008 | int find_unpushed_submodules(struct repository *r, |
174d131f NTND |
1009 | struct oid_array *commits, |
1010 | const char *remotes_name, | |
1011 | struct string_list *needs_pushing) | |
d2b17b32 | 1012 | { |
14739447 | 1013 | struct string_list submodules = STRING_LIST_INIT_DUP; |
c68f8375 | 1014 | struct string_list_item *name; |
9cfa1c26 | 1015 | struct argv_array argv = ARGV_ARRAY_INIT; |
a762e51e | 1016 | |
9cfa1c26 HV |
1017 | /* argv.argv[0] will be ignored by setup_revisions */ |
1018 | argv_array_push(&argv, "find_unpushed_submodules"); | |
910650d2 | 1019 | oid_array_for_each_unique(commits, append_oid_to_argv, &argv); |
9cfa1c26 HV |
1020 | argv_array_push(&argv, "--not"); |
1021 | argv_array_pushf(&argv, "--remotes=%s", remotes_name); | |
1022 | ||
6245b98b | 1023 | collect_changed_submodules(r, &submodules, &argv); |
d2b17b32 | 1024 | |
c68f8375 HV |
1025 | for_each_string_list_item(name, &submodules) { |
1026 | struct oid_array *commits = name->util; | |
1027 | const struct submodule *submodule; | |
1028 | const char *path = NULL; | |
1029 | ||
6245b98b | 1030 | submodule = submodule_from_name(r, &null_oid, name->string); |
c68f8375 HV |
1031 | if (submodule) |
1032 | path = submodule->path; | |
1033 | else | |
1034 | path = default_name_or_path(name->string); | |
1035 | ||
1036 | if (!path) | |
1037 | continue; | |
5b6607d2 | 1038 | |
6245b98b | 1039 | if (submodule_needs_pushing(r, path, commits)) |
aacc5c1a | 1040 | string_list_insert(needs_pushing, path); |
14739447 | 1041 | } |
610b2337 BW |
1042 | |
1043 | free_submodules_oids(&submodules); | |
aacc5c1a | 1044 | argv_array_clear(&argv); |
d2b17b32 | 1045 | |
a762e51e | 1046 | return needs_pushing->nr; |
d2b17b32 FG |
1047 | } |
1048 | ||
2a90556d | 1049 | static int push_submodule(const char *path, |
06bf4ad1 | 1050 | const struct remote *remote, |
60fba4bf | 1051 | const struct refspec *rs, |
2a90556d BW |
1052 | const struct string_list *push_options, |
1053 | int dry_run) | |
eb21c732 | 1054 | { |
eb21c732 | 1055 | if (for_each_remote_ref_submodule(path, has_remote, NULL) > 0) { |
d3180279 | 1056 | struct child_process cp = CHILD_PROCESS_INIT; |
0301c821 BW |
1057 | argv_array_push(&cp.args, "push"); |
1058 | if (dry_run) | |
1059 | argv_array_push(&cp.args, "--dry-run"); | |
eb21c732 | 1060 | |
2a90556d BW |
1061 | if (push_options && push_options->nr) { |
1062 | const struct string_list_item *item; | |
1063 | for_each_string_list_item(item, push_options) | |
1064 | argv_array_pushf(&cp.args, "--push-option=%s", | |
1065 | item->string); | |
1066 | } | |
06bf4ad1 BW |
1067 | |
1068 | if (remote->origin != REMOTE_UNCONFIGURED) { | |
1069 | int i; | |
1070 | argv_array_push(&cp.args, remote->name); | |
60fba4bf BW |
1071 | for (i = 0; i < rs->raw_nr; i++) |
1072 | argv_array_push(&cp.args, rs->raw[i]); | |
06bf4ad1 BW |
1073 | } |
1074 | ||
c12e8656 | 1075 | prepare_submodule_repo_env(&cp.env_array); |
eb21c732 HV |
1076 | cp.git_cmd = 1; |
1077 | cp.no_stdin = 1; | |
1078 | cp.dir = path; | |
1079 | if (run_command(&cp)) | |
1080 | return 0; | |
1081 | close(cp.out); | |
1082 | } | |
1083 | ||
1084 | return 1; | |
1085 | } | |
1086 | ||
06bf4ad1 BW |
1087 | /* |
1088 | * Perform a check in the submodule to see if the remote and refspec work. | |
1089 | * Die if the submodule can't be pushed. | |
1090 | */ | |
c7be7201 BW |
1091 | static void submodule_push_check(const char *path, const char *head, |
1092 | const struct remote *remote, | |
60fba4bf | 1093 | const struct refspec *rs) |
06bf4ad1 BW |
1094 | { |
1095 | struct child_process cp = CHILD_PROCESS_INIT; | |
1096 | int i; | |
1097 | ||
1098 | argv_array_push(&cp.args, "submodule--helper"); | |
1099 | argv_array_push(&cp.args, "push-check"); | |
c7be7201 | 1100 | argv_array_push(&cp.args, head); |
06bf4ad1 BW |
1101 | argv_array_push(&cp.args, remote->name); |
1102 | ||
60fba4bf BW |
1103 | for (i = 0; i < rs->raw_nr; i++) |
1104 | argv_array_push(&cp.args, rs->raw[i]); | |
06bf4ad1 BW |
1105 | |
1106 | prepare_submodule_repo_env(&cp.env_array); | |
1107 | cp.git_cmd = 1; | |
1108 | cp.no_stdin = 1; | |
1109 | cp.no_stdout = 1; | |
1110 | cp.dir = path; | |
1111 | ||
1112 | /* | |
1113 | * Simply indicate if 'submodule--helper push-check' failed. | |
1114 | * More detailed error information will be provided by the | |
1115 | * child process. | |
1116 | */ | |
1117 | if (run_command(&cp)) | |
a4ffbbbb | 1118 | die(_("process for submodule '%s' failed"), path); |
06bf4ad1 BW |
1119 | } |
1120 | ||
6245b98b | 1121 | int push_unpushed_submodules(struct repository *r, |
174d131f | 1122 | struct oid_array *commits, |
06bf4ad1 | 1123 | const struct remote *remote, |
60fba4bf | 1124 | const struct refspec *rs, |
2a90556d | 1125 | const struct string_list *push_options, |
0301c821 | 1126 | int dry_run) |
eb21c732 HV |
1127 | { |
1128 | int i, ret = 1; | |
f93d7c6f | 1129 | struct string_list needs_pushing = STRING_LIST_INIT_DUP; |
eb21c732 | 1130 | |
6245b98b | 1131 | if (!find_unpushed_submodules(r, commits, |
174d131f | 1132 | remote->name, &needs_pushing)) |
eb21c732 HV |
1133 | return 1; |
1134 | ||
06bf4ad1 BW |
1135 | /* |
1136 | * Verify that the remote and refspec can be propagated to all | |
1137 | * submodules. This check can be skipped if the remote and refspec | |
1138 | * won't be propagated due to the remote being unconfigured (e.g. a URL | |
1139 | * instead of a remote name). | |
1140 | */ | |
c7be7201 BW |
1141 | if (remote->origin != REMOTE_UNCONFIGURED) { |
1142 | char *head; | |
1143 | struct object_id head_oid; | |
1144 | ||
0f2dc722 | 1145 | head = resolve_refdup("HEAD", 0, &head_oid, NULL); |
c7be7201 BW |
1146 | if (!head) |
1147 | die(_("Failed to resolve HEAD as a valid ref.")); | |
1148 | ||
06bf4ad1 BW |
1149 | for (i = 0; i < needs_pushing.nr; i++) |
1150 | submodule_push_check(needs_pushing.items[i].string, | |
60fba4bf | 1151 | head, remote, rs); |
c7be7201 BW |
1152 | free(head); |
1153 | } | |
06bf4ad1 BW |
1154 | |
1155 | /* Actually push the submodules */ | |
eb21c732 HV |
1156 | for (i = 0; i < needs_pushing.nr; i++) { |
1157 | const char *path = needs_pushing.items[i].string; | |
a4ffbbbb | 1158 | fprintf(stderr, _("Pushing submodule '%s'\n"), path); |
60fba4bf | 1159 | if (!push_submodule(path, remote, rs, |
06bf4ad1 | 1160 | push_options, dry_run)) { |
a4ffbbbb | 1161 | fprintf(stderr, _("Unable to push submodule '%s'\n"), path); |
eb21c732 HV |
1162 | ret = 0; |
1163 | } | |
1164 | } | |
1165 | ||
1166 | string_list_clear(&needs_pushing, 0); | |
1167 | ||
1168 | return ret; | |
1169 | } | |
1170 | ||
419fd786 BW |
1171 | static int append_oid_to_array(const char *ref, const struct object_id *oid, |
1172 | int flags, void *data) | |
6859de45 | 1173 | { |
419fd786 BW |
1174 | struct oid_array *array = data; |
1175 | oid_array_append(array, oid); | |
6859de45 JK |
1176 | return 0; |
1177 | } | |
1178 | ||
2eb80bcd | 1179 | void check_for_new_submodule_commits(struct object_id *oid) |
6859de45 JK |
1180 | { |
1181 | if (!initialized_fetch_ref_tips) { | |
419fd786 | 1182 | for_each_ref(append_oid_to_array, &ref_tips_before_fetch); |
6859de45 JK |
1183 | initialized_fetch_ref_tips = 1; |
1184 | } | |
1185 | ||
910650d2 | 1186 | oid_array_append(&ref_tips_after_fetch, oid); |
6859de45 JK |
1187 | } |
1188 | ||
16dd6fe1 SB |
1189 | static void calculate_changed_submodule_paths(struct repository *r, |
1190 | struct string_list *changed_submodule_names) | |
88a21979 | 1191 | { |
c1189cae | 1192 | struct argv_array argv = ARGV_ARRAY_INIT; |
bcd73372 | 1193 | struct string_list_item *name; |
88a21979 | 1194 | |
18322bad | 1195 | /* No need to check if there are no submodules configured */ |
6245b98b | 1196 | if (!submodule_from_path(r, NULL, NULL)) |
18322bad JL |
1197 | return; |
1198 | ||
c1189cae | 1199 | argv_array_push(&argv, "--"); /* argv[0] program name */ |
910650d2 | 1200 | oid_array_for_each_unique(&ref_tips_after_fetch, |
d1a8460c | 1201 | append_oid_to_argv, &argv); |
c1189cae | 1202 | argv_array_push(&argv, "--not"); |
910650d2 | 1203 | oid_array_for_each_unique(&ref_tips_before_fetch, |
d1a8460c | 1204 | append_oid_to_argv, &argv); |
88a21979 JL |
1205 | |
1206 | /* | |
1207 | * Collect all submodules (whether checked out or not) for which new | |
c68f8375 | 1208 | * commits have been recorded upstream in "changed_submodule_names". |
88a21979 | 1209 | */ |
bcd73372 | 1210 | collect_changed_submodules(r, changed_submodule_names, &argv); |
aacc5c1a | 1211 | |
bcd73372 | 1212 | for_each_string_list_item(name, changed_submodule_names) { |
c68f8375 HV |
1213 | struct oid_array *commits = name->util; |
1214 | const struct submodule *submodule; | |
1215 | const char *path = NULL; | |
1216 | ||
6245b98b | 1217 | submodule = submodule_from_name(r, &null_oid, name->string); |
c68f8375 HV |
1218 | if (submodule) |
1219 | path = submodule->path; | |
1220 | else | |
1221 | path = default_name_or_path(name->string); | |
1222 | ||
1223 | if (!path) | |
1224 | continue; | |
aacc5c1a | 1225 | |
bcd73372 SB |
1226 | if (submodule_has_commits(r, path, commits)) { |
1227 | oid_array_clear(commits); | |
1228 | *name->string = '\0'; | |
1229 | } | |
88a21979 | 1230 | } |
6859de45 | 1231 | |
bcd73372 SB |
1232 | string_list_remove_empty_items(changed_submodule_names, 1); |
1233 | ||
c1189cae | 1234 | argv_array_clear(&argv); |
910650d2 | 1235 | oid_array_clear(&ref_tips_before_fetch); |
1236 | oid_array_clear(&ref_tips_after_fetch); | |
6859de45 | 1237 | initialized_fetch_ref_tips = 0; |
88a21979 JL |
1238 | } |
1239 | ||
6245b98b | 1240 | int submodule_touches_in_range(struct repository *r, |
174d131f | 1241 | struct object_id *excl_oid, |
a6d7eb2c SB |
1242 | struct object_id *incl_oid) |
1243 | { | |
1244 | struct string_list subs = STRING_LIST_INIT_DUP; | |
1245 | struct argv_array args = ARGV_ARRAY_INIT; | |
1246 | int ret; | |
1247 | ||
a6d7eb2c | 1248 | /* No need to check if there are no submodules configured */ |
6245b98b | 1249 | if (!submodule_from_path(r, NULL, NULL)) |
a6d7eb2c SB |
1250 | return 0; |
1251 | ||
1252 | argv_array_push(&args, "--"); /* args[0] program name */ | |
1253 | argv_array_push(&args, oid_to_hex(incl_oid)); | |
4d36f88b JT |
1254 | if (!is_null_oid(excl_oid)) { |
1255 | argv_array_push(&args, "--not"); | |
1256 | argv_array_push(&args, oid_to_hex(excl_oid)); | |
1257 | } | |
a6d7eb2c | 1258 | |
6245b98b | 1259 | collect_changed_submodules(r, &subs, &args); |
a6d7eb2c SB |
1260 | ret = subs.nr; |
1261 | ||
1262 | argv_array_clear(&args); | |
1263 | ||
1264 | free_submodules_oids(&subs); | |
1265 | return ret; | |
1266 | } | |
1267 | ||
fe85ee6e SB |
1268 | struct submodule_parallel_fetch { |
1269 | int count; | |
1270 | struct argv_array args; | |
e724197f | 1271 | struct repository *r; |
fe85ee6e SB |
1272 | const char *prefix; |
1273 | int command_line_option; | |
8fa29159 | 1274 | int default_option; |
fe85ee6e SB |
1275 | int quiet; |
1276 | int result; | |
16dd6fe1 SB |
1277 | |
1278 | struct string_list changed_submodule_names; | |
be76c212 SB |
1279 | |
1280 | /* Pending fetches by OIDs */ | |
1281 | struct fetch_task **oid_fetch_tasks; | |
1282 | int oid_fetch_tasks_nr, oid_fetch_tasks_alloc; | |
02225408 ES |
1283 | |
1284 | struct strbuf submodules_with_errors; | |
fe85ee6e | 1285 | }; |
be76c212 SB |
1286 | #define SPF_INIT {0, ARGV_ARRAY_INIT, NULL, NULL, 0, 0, 0, 0, \ |
1287 | STRING_LIST_INIT_DUP, \ | |
02225408 | 1288 | NULL, 0, 0, STRBUF_INIT} |
fe85ee6e | 1289 | |
4b4acedd HV |
1290 | static int get_fetch_recurse_config(const struct submodule *submodule, |
1291 | struct submodule_parallel_fetch *spf) | |
1292 | { | |
1293 | if (spf->command_line_option != RECURSE_SUBMODULES_DEFAULT) | |
1294 | return spf->command_line_option; | |
1295 | ||
1296 | if (submodule) { | |
1297 | char *key; | |
1298 | const char *value; | |
1299 | ||
1300 | int fetch_recurse = submodule->fetch_recurse; | |
1301 | key = xstrfmt("submodule.%s.fetchRecurseSubmodules", submodule->name); | |
e724197f | 1302 | if (!repo_config_get_string_const(spf->r, key, &value)) { |
4b4acedd HV |
1303 | fetch_recurse = parse_fetch_recurse_submodules_arg(key, value); |
1304 | } | |
1305 | free(key); | |
1306 | ||
1307 | if (fetch_recurse != RECURSE_SUBMODULES_NONE) | |
1308 | /* local config overrules everything except commandline */ | |
1309 | return fetch_recurse; | |
1310 | } | |
1311 | ||
1312 | return spf->default_option; | |
1313 | } | |
1314 | ||
be76c212 SB |
1315 | /* |
1316 | * Fetch in progress (if callback data) or | |
1317 | * pending (if in oid_fetch_tasks in struct submodule_parallel_fetch) | |
1318 | */ | |
1319 | struct fetch_task { | |
1320 | struct repository *repo; | |
1321 | const struct submodule *sub; | |
1322 | unsigned free_sub : 1; /* Do we need to free the submodule? */ | |
1323 | ||
1324 | struct oid_array *commits; /* Ensure these commits are fetched */ | |
1325 | }; | |
1326 | ||
1327 | /** | |
1328 | * When a submodule is not defined in .gitmodules, we cannot access it | |
1329 | * via the regular submodule-config. Create a fake submodule, which we can | |
1330 | * work on. | |
1331 | */ | |
1332 | static const struct submodule *get_non_gitmodules_submodule(const char *path) | |
1333 | { | |
1334 | struct submodule *ret = NULL; | |
1335 | const char *name = default_name_or_path(path); | |
1336 | ||
1337 | if (!name) | |
1338 | return NULL; | |
1339 | ||
1340 | ret = xmalloc(sizeof(*ret)); | |
1341 | memset(ret, 0, sizeof(*ret)); | |
1342 | ret->path = name; | |
1343 | ret->name = name; | |
1344 | ||
1345 | return (const struct submodule *) ret; | |
1346 | } | |
1347 | ||
1348 | static struct fetch_task *fetch_task_create(struct repository *r, | |
1349 | const char *path) | |
1350 | { | |
1351 | struct fetch_task *task = xmalloc(sizeof(*task)); | |
1352 | memset(task, 0, sizeof(*task)); | |
1353 | ||
1354 | task->sub = submodule_from_path(r, &null_oid, path); | |
1355 | if (!task->sub) { | |
1356 | /* | |
1357 | * No entry in .gitmodules? Technically not a submodule, | |
1358 | * but historically we supported repositories that happen to be | |
1359 | * in-place where a gitlink is. Keep supporting them. | |
1360 | */ | |
1361 | task->sub = get_non_gitmodules_submodule(path); | |
1362 | if (!task->sub) { | |
1363 | free(task); | |
1364 | return NULL; | |
1365 | } | |
1366 | ||
1367 | task->free_sub = 1; | |
1368 | } | |
1369 | ||
1370 | return task; | |
1371 | } | |
1372 | ||
1373 | static void fetch_task_release(struct fetch_task *p) | |
1374 | { | |
1375 | if (p->free_sub) | |
1376 | free((void*)p->sub); | |
1377 | p->free_sub = 0; | |
1378 | p->sub = NULL; | |
1379 | ||
1380 | if (p->repo) | |
1381 | repo_clear(p->repo); | |
1382 | FREE_AND_NULL(p->repo); | |
1383 | } | |
1384 | ||
26f80ccf SB |
1385 | static struct repository *get_submodule_repo_for(struct repository *r, |
1386 | const struct submodule *sub) | |
1387 | { | |
1388 | struct repository *ret = xmalloc(sizeof(*ret)); | |
1389 | ||
1390 | if (repo_submodule_init(ret, r, sub)) { | |
1391 | /* | |
1392 | * No entry in .gitmodules? Technically not a submodule, | |
1393 | * but historically we supported repositories that happen to be | |
1394 | * in-place where a gitlink is. Keep supporting them. | |
1395 | */ | |
1396 | struct strbuf gitdir = STRBUF_INIT; | |
1397 | strbuf_repo_worktree_path(&gitdir, r, "%s/.git", sub->path); | |
1398 | if (repo_init(ret, gitdir.buf, NULL)) { | |
1399 | strbuf_release(&gitdir); | |
1400 | free(ret); | |
1401 | return NULL; | |
1402 | } | |
1403 | strbuf_release(&gitdir); | |
1404 | } | |
1405 | ||
1406 | return ret; | |
1407 | } | |
1408 | ||
fe85ee6e SB |
1409 | static int get_next_submodule(struct child_process *cp, |
1410 | struct strbuf *err, void *data, void **task_cb) | |
7dce19d3 | 1411 | { |
fe85ee6e | 1412 | struct submodule_parallel_fetch *spf = data; |
6859de45 | 1413 | |
e724197f | 1414 | for (; spf->count < spf->r->index->cache_nr; spf->count++) { |
e724197f | 1415 | const struct cache_entry *ce = spf->r->index->cache[spf->count]; |
26f80ccf | 1416 | const char *default_argv; |
be76c212 | 1417 | struct fetch_task *task; |
7dce19d3 JL |
1418 | |
1419 | if (!S_ISGITLINK(ce->ce_mode)) | |
1420 | continue; | |
1421 | ||
be76c212 SB |
1422 | task = fetch_task_create(spf->r, ce->name); |
1423 | if (!task) | |
1424 | continue; | |
492c6c46 | 1425 | |
be76c212 | 1426 | switch (get_fetch_recurse_config(task->sub, spf)) |
4b4acedd HV |
1427 | { |
1428 | default: | |
1429 | case RECURSE_SUBMODULES_DEFAULT: | |
1430 | case RECURSE_SUBMODULES_ON_DEMAND: | |
be76c212 | 1431 | if (!task->sub || |
08a297bd | 1432 | !string_list_lookup( |
16dd6fe1 | 1433 | &spf->changed_submodule_names, |
be76c212 | 1434 | task->sub->name)) |
8f0700dd JL |
1435 | continue; |
1436 | default_argv = "on-demand"; | |
4b4acedd HV |
1437 | break; |
1438 | case RECURSE_SUBMODULES_ON: | |
1439 | default_argv = "yes"; | |
1440 | break; | |
1441 | case RECURSE_SUBMODULES_OFF: | |
1442 | continue; | |
be254a0e JL |
1443 | } |
1444 | ||
be76c212 SB |
1445 | task->repo = get_submodule_repo_for(spf->r, task->sub); |
1446 | if (task->repo) { | |
1447 | struct strbuf submodule_prefix = STRBUF_INIT; | |
fe85ee6e | 1448 | child_process_init(cp); |
be76c212 | 1449 | cp->dir = task->repo->gitdir; |
a62387b3 | 1450 | prepare_submodule_repo_env_in_gitdir(&cp->env_array); |
fe85ee6e SB |
1451 | cp->git_cmd = 1; |
1452 | if (!spf->quiet) | |
a4ffbbbb | 1453 | strbuf_addf(err, _("Fetching submodule %s%s\n"), |
fe85ee6e SB |
1454 | spf->prefix, ce->name); |
1455 | argv_array_init(&cp->args); | |
1456 | argv_array_pushv(&cp->args, spf->args.argv); | |
1457 | argv_array_push(&cp->args, default_argv); | |
1458 | argv_array_push(&cp->args, "--submodule-prefix"); | |
be76c212 SB |
1459 | |
1460 | strbuf_addf(&submodule_prefix, "%s%s/", | |
1461 | spf->prefix, | |
1462 | task->sub->path); | |
fe85ee6e | 1463 | argv_array_push(&cp->args, submodule_prefix.buf); |
26f80ccf | 1464 | |
fe85ee6e | 1465 | spf->count++; |
be76c212 SB |
1466 | *task_cb = task; |
1467 | ||
1468 | strbuf_release(&submodule_prefix); | |
fe85ee6e | 1469 | return 1; |
26f80ccf | 1470 | } else { |
be76c212 SB |
1471 | |
1472 | fetch_task_release(task); | |
1473 | free(task); | |
1474 | ||
26f80ccf SB |
1475 | /* |
1476 | * An empty directory is normal, | |
1477 | * the submodule is not initialized | |
1478 | */ | |
1479 | if (S_ISGITLINK(ce->ce_mode) && | |
1480 | !is_empty_dir(ce->name)) { | |
1481 | spf->result = 1; | |
1482 | strbuf_addf(err, | |
303b3c1c | 1483 | _("Could not access submodule '%s'\n"), |
26f80ccf SB |
1484 | ce->name); |
1485 | } | |
fe85ee6e | 1486 | } |
7dce19d3 | 1487 | } |
be76c212 SB |
1488 | |
1489 | if (spf->oid_fetch_tasks_nr) { | |
1490 | struct fetch_task *task = | |
1491 | spf->oid_fetch_tasks[spf->oid_fetch_tasks_nr - 1]; | |
1492 | struct strbuf submodule_prefix = STRBUF_INIT; | |
1493 | spf->oid_fetch_tasks_nr--; | |
1494 | ||
1495 | strbuf_addf(&submodule_prefix, "%s%s/", | |
1496 | spf->prefix, task->sub->path); | |
1497 | ||
1498 | child_process_init(cp); | |
1499 | prepare_submodule_repo_env_in_gitdir(&cp->env_array); | |
1500 | cp->git_cmd = 1; | |
1501 | cp->dir = task->repo->gitdir; | |
1502 | ||
1503 | argv_array_init(&cp->args); | |
1504 | argv_array_pushv(&cp->args, spf->args.argv); | |
1505 | argv_array_push(&cp->args, "on-demand"); | |
1506 | argv_array_push(&cp->args, "--submodule-prefix"); | |
1507 | argv_array_push(&cp->args, submodule_prefix.buf); | |
1508 | ||
1509 | /* NEEDSWORK: have get_default_remote from submodule--helper */ | |
1510 | argv_array_push(&cp->args, "origin"); | |
1511 | oid_array_for_each_unique(task->commits, | |
1512 | append_oid_to_argv, &cp->args); | |
1513 | ||
1514 | *task_cb = task; | |
7dce19d3 | 1515 | strbuf_release(&submodule_prefix); |
be76c212 | 1516 | return 1; |
7dce19d3 | 1517 | } |
be76c212 | 1518 | |
fe85ee6e SB |
1519 | return 0; |
1520 | } | |
1521 | ||
2a73b3da | 1522 | static int fetch_start_failure(struct strbuf *err, |
fe85ee6e SB |
1523 | void *cb, void *task_cb) |
1524 | { | |
1525 | struct submodule_parallel_fetch *spf = cb; | |
be76c212 | 1526 | struct fetch_task *task = task_cb; |
fe85ee6e SB |
1527 | |
1528 | spf->result = 1; | |
1529 | ||
be76c212 | 1530 | fetch_task_release(task); |
fe85ee6e SB |
1531 | return 0; |
1532 | } | |
1533 | ||
be76c212 SB |
1534 | static int commit_missing_in_sub(const struct object_id *oid, void *data) |
1535 | { | |
1536 | struct repository *subrepo = data; | |
1537 | ||
1538 | enum object_type type = oid_object_info(subrepo, oid, NULL); | |
1539 | ||
1540 | return type != OBJ_COMMIT; | |
1541 | } | |
1542 | ||
2a73b3da SB |
1543 | static int fetch_finish(int retvalue, struct strbuf *err, |
1544 | void *cb, void *task_cb) | |
fe85ee6e SB |
1545 | { |
1546 | struct submodule_parallel_fetch *spf = cb; | |
be76c212 SB |
1547 | struct fetch_task *task = task_cb; |
1548 | ||
1549 | struct string_list_item *it; | |
1550 | struct oid_array *commits; | |
fe85ee6e | 1551 | |
02225408 ES |
1552 | if (!task || !task->sub) |
1553 | BUG("callback cookie bogus"); | |
1554 | ||
1555 | if (retvalue) { | |
bd5e567d JT |
1556 | /* |
1557 | * NEEDSWORK: This indicates that the overall fetch | |
1558 | * failed, even though there may be a subsequent fetch | |
1559 | * by commit hash that might work. It may be a good | |
1560 | * idea to not indicate failure in this case, and only | |
1561 | * indicate failure if the subsequent fetch fails. | |
1562 | */ | |
fe85ee6e SB |
1563 | spf->result = 1; |
1564 | ||
02225408 ES |
1565 | strbuf_addf(&spf->submodules_with_errors, "\t%s\n", |
1566 | task->sub->name); | |
1567 | } | |
be76c212 SB |
1568 | |
1569 | /* Is this the second time we process this submodule? */ | |
1570 | if (task->commits) | |
1571 | goto out; | |
1572 | ||
1573 | it = string_list_lookup(&spf->changed_submodule_names, task->sub->name); | |
1574 | if (!it) | |
1575 | /* Could be an unchanged submodule, not contained in the list */ | |
1576 | goto out; | |
1577 | ||
1578 | commits = it->util; | |
1579 | oid_array_filter(commits, | |
1580 | commit_missing_in_sub, | |
1581 | task->repo); | |
1582 | ||
1583 | /* Are there commits we want, but do not exist? */ | |
1584 | if (commits->nr) { | |
1585 | task->commits = commits; | |
1586 | ALLOC_GROW(spf->oid_fetch_tasks, | |
1587 | spf->oid_fetch_tasks_nr + 1, | |
1588 | spf->oid_fetch_tasks_alloc); | |
1589 | spf->oid_fetch_tasks[spf->oid_fetch_tasks_nr] = task; | |
1590 | spf->oid_fetch_tasks_nr++; | |
1591 | return 0; | |
1592 | } | |
1593 | ||
1594 | out: | |
1595 | fetch_task_release(task); | |
1596 | ||
fe85ee6e SB |
1597 | return 0; |
1598 | } | |
1599 | ||
e724197f BW |
1600 | int fetch_populated_submodules(struct repository *r, |
1601 | const struct argv_array *options, | |
fe85ee6e | 1602 | const char *prefix, int command_line_option, |
8fa29159 | 1603 | int default_option, |
62104ba1 | 1604 | int quiet, int max_parallel_jobs) |
fe85ee6e SB |
1605 | { |
1606 | int i; | |
fe85ee6e SB |
1607 | struct submodule_parallel_fetch spf = SPF_INIT; |
1608 | ||
e724197f | 1609 | spf.r = r; |
fe85ee6e | 1610 | spf.command_line_option = command_line_option; |
8fa29159 | 1611 | spf.default_option = default_option; |
fe85ee6e SB |
1612 | spf.quiet = quiet; |
1613 | spf.prefix = prefix; | |
1614 | ||
e724197f | 1615 | if (!r->worktree) |
fe85ee6e SB |
1616 | goto out; |
1617 | ||
e724197f | 1618 | if (repo_read_index(r) < 0) |
a4ffbbbb | 1619 | die(_("index file corrupt")); |
fe85ee6e SB |
1620 | |
1621 | argv_array_push(&spf.args, "fetch"); | |
1622 | for (i = 0; i < options->argc; i++) | |
1623 | argv_array_push(&spf.args, options->argv[i]); | |
1624 | argv_array_push(&spf.args, "--recurse-submodules-default"); | |
1625 | /* default value, "--submodule-prefix" and its value are added later */ | |
1626 | ||
16dd6fe1 SB |
1627 | calculate_changed_submodule_paths(r, &spf.changed_submodule_names); |
1628 | string_list_sort(&spf.changed_submodule_names); | |
ee4512ed JH |
1629 | run_processes_parallel_tr2(max_parallel_jobs, |
1630 | get_next_submodule, | |
1631 | fetch_start_failure, | |
1632 | fetch_finish, | |
1633 | &spf, | |
1634 | "submodule", "parallel/fetch"); | |
fe85ee6e | 1635 | |
02225408 ES |
1636 | if (spf.submodules_with_errors.len > 0) |
1637 | fprintf(stderr, _("Errors during submodule fetch:\n%s"), | |
1638 | spf.submodules_with_errors.buf); | |
1639 | ||
1640 | ||
fe85ee6e | 1641 | argv_array_clear(&spf.args); |
88a21979 | 1642 | out: |
bcd73372 | 1643 | free_submodules_oids(&spf.changed_submodule_names); |
fe85ee6e | 1644 | return spf.result; |
7dce19d3 JL |
1645 | } |
1646 | ||
3bfc4504 | 1647 | unsigned is_submodule_modified(const char *path, int ignore_untracked) |
ee6fc514 | 1648 | { |
d3180279 | 1649 | struct child_process cp = CHILD_PROCESS_INIT; |
ee6fc514 | 1650 | struct strbuf buf = STRBUF_INIT; |
af6865a7 | 1651 | FILE *fp; |
c7e1a736 | 1652 | unsigned dirty_submodule = 0; |
eee49b6c | 1653 | const char *git_dir; |
af6865a7 | 1654 | int ignore_cp_exit_code = 0; |
ee6fc514 | 1655 | |
eee49b6c | 1656 | strbuf_addf(&buf, "%s/.git", path); |
13d6ec91 | 1657 | git_dir = read_gitfile(buf.buf); |
eee49b6c JL |
1658 | if (!git_dir) |
1659 | git_dir = buf.buf; | |
5c896f7c SB |
1660 | if (!is_git_directory(git_dir)) { |
1661 | if (is_directory(git_dir)) | |
1662 | die(_("'%s' not recognized as a git repository"), git_dir); | |
ee6fc514 JL |
1663 | strbuf_release(&buf); |
1664 | /* The submodule is not checked out, so it is not modified */ | |
1665 | return 0; | |
ee6fc514 JL |
1666 | } |
1667 | strbuf_reset(&buf); | |
1668 | ||
fcecf0b9 | 1669 | argv_array_pushl(&cp.args, "status", "--porcelain=2", NULL); |
3bfc4504 | 1670 | if (ignore_untracked) |
d0d7fed1 | 1671 | argv_array_push(&cp.args, "-uno"); |
3bfc4504 | 1672 | |
c12e8656 | 1673 | prepare_submodule_repo_env(&cp.env_array); |
ee6fc514 JL |
1674 | cp.git_cmd = 1; |
1675 | cp.no_stdin = 1; | |
1676 | cp.out = -1; | |
eee49b6c | 1677 | cp.dir = path; |
ee6fc514 | 1678 | if (start_command(&cp)) |
a4ffbbbb | 1679 | die(_("Could not run 'git status --porcelain=2' in submodule %s"), path); |
ee6fc514 | 1680 | |
af6865a7 SB |
1681 | fp = xfdopen(cp.out, "r"); |
1682 | while (strbuf_getwholeline(&buf, fp, '\n') != EOF) { | |
fcecf0b9 SB |
1683 | /* regular untracked files */ |
1684 | if (buf.buf[0] == '?') | |
c7e1a736 | 1685 | dirty_submodule |= DIRTY_SUBMODULE_UNTRACKED; |
40069d6e SB |
1686 | |
1687 | if (buf.buf[0] == 'u' || | |
1688 | buf.buf[0] == '1' || | |
1689 | buf.buf[0] == '2') { | |
1690 | /* T = line type, XY = status, SSSS = submodule state */ | |
1691 | if (buf.len < strlen("T XY SSSS")) | |
033abf97 | 1692 | BUG("invalid status --porcelain=2 line %s", |
40069d6e SB |
1693 | buf.buf); |
1694 | ||
1695 | if (buf.buf[5] == 'S' && buf.buf[8] == 'U') | |
1696 | /* nested untracked file */ | |
1697 | dirty_submodule |= DIRTY_SUBMODULE_UNTRACKED; | |
1698 | ||
1699 | if (buf.buf[0] == 'u' || | |
1700 | buf.buf[0] == '2' || | |
1701 | memcmp(buf.buf + 5, "S..U", 4)) | |
1702 | /* other change */ | |
1703 | dirty_submodule |= DIRTY_SUBMODULE_MODIFIED; | |
c7e1a736 | 1704 | } |
64f9a946 SB |
1705 | |
1706 | if ((dirty_submodule & DIRTY_SUBMODULE_MODIFIED) && | |
1707 | ((dirty_submodule & DIRTY_SUBMODULE_UNTRACKED) || | |
af6865a7 SB |
1708 | ignore_untracked)) { |
1709 | /* | |
1710 | * We're not interested in any further information from | |
1711 | * the child any more, neither output nor its exit code. | |
1712 | */ | |
1713 | ignore_cp_exit_code = 1; | |
c7e1a736 | 1714 | break; |
af6865a7 | 1715 | } |
c7e1a736 | 1716 | } |
af6865a7 | 1717 | fclose(fp); |
ee6fc514 | 1718 | |
af6865a7 | 1719 | if (finish_command(&cp) && !ignore_cp_exit_code) |
a4ffbbbb | 1720 | die(_("'git status --porcelain=2' failed in submodule %s"), path); |
ee6fc514 | 1721 | |
ee6fc514 | 1722 | strbuf_release(&buf); |
c7e1a736 | 1723 | return dirty_submodule; |
ee6fc514 | 1724 | } |
68d03e4a | 1725 | |
293ab15e JL |
1726 | int submodule_uses_gitfile(const char *path) |
1727 | { | |
d3180279 | 1728 | struct child_process cp = CHILD_PROCESS_INIT; |
293ab15e JL |
1729 | const char *argv[] = { |
1730 | "submodule", | |
1731 | "foreach", | |
1732 | "--quiet", | |
1733 | "--recursive", | |
1734 | "test -f .git", | |
1735 | NULL, | |
1736 | }; | |
1737 | struct strbuf buf = STRBUF_INIT; | |
1738 | const char *git_dir; | |
1739 | ||
1740 | strbuf_addf(&buf, "%s/.git", path); | |
1741 | git_dir = read_gitfile(buf.buf); | |
1742 | if (!git_dir) { | |
1743 | strbuf_release(&buf); | |
1744 | return 0; | |
1745 | } | |
1746 | strbuf_release(&buf); | |
1747 | ||
1748 | /* Now test that all nested submodules use a gitfile too */ | |
293ab15e | 1749 | cp.argv = argv; |
c12e8656 | 1750 | prepare_submodule_repo_env(&cp.env_array); |
293ab15e JL |
1751 | cp.git_cmd = 1; |
1752 | cp.no_stdin = 1; | |
1753 | cp.no_stderr = 1; | |
1754 | cp.no_stdout = 1; | |
1755 | cp.dir = path; | |
1756 | if (run_command(&cp)) | |
1757 | return 0; | |
1758 | ||
1759 | return 1; | |
1760 | } | |
1761 | ||
83b76966 SB |
1762 | /* |
1763 | * Check if it is a bad idea to remove a submodule, i.e. if we'd lose data | |
1764 | * when doing so. | |
1765 | * | |
1766 | * Return 1 if we'd lose data, return 0 if the removal is fine, | |
1767 | * and negative values for errors. | |
1768 | */ | |
1769 | int bad_to_remove_submodule(const char *path, unsigned flags) | |
293ab15e | 1770 | { |
293ab15e | 1771 | ssize_t len; |
d3180279 | 1772 | struct child_process cp = CHILD_PROCESS_INIT; |
293ab15e | 1773 | struct strbuf buf = STRBUF_INIT; |
83b76966 | 1774 | int ret = 0; |
293ab15e | 1775 | |
dbe44faa | 1776 | if (!file_exists(path) || is_empty_dir(path)) |
83b76966 | 1777 | return 0; |
293ab15e JL |
1778 | |
1779 | if (!submodule_uses_gitfile(path)) | |
83b76966 | 1780 | return 1; |
293ab15e | 1781 | |
83b76966 | 1782 | argv_array_pushl(&cp.args, "status", "--porcelain", |
5a1c824f | 1783 | "--ignore-submodules=none", NULL); |
83b76966 SB |
1784 | |
1785 | if (flags & SUBMODULE_REMOVAL_IGNORE_UNTRACKED) | |
1786 | argv_array_push(&cp.args, "-uno"); | |
1787 | else | |
1788 | argv_array_push(&cp.args, "-uall"); | |
1789 | ||
1790 | if (!(flags & SUBMODULE_REMOVAL_IGNORE_IGNORED_UNTRACKED)) | |
1791 | argv_array_push(&cp.args, "--ignored"); | |
293ab15e | 1792 | |
c12e8656 | 1793 | prepare_submodule_repo_env(&cp.env_array); |
293ab15e JL |
1794 | cp.git_cmd = 1; |
1795 | cp.no_stdin = 1; | |
1796 | cp.out = -1; | |
1797 | cp.dir = path; | |
83b76966 SB |
1798 | if (start_command(&cp)) { |
1799 | if (flags & SUBMODULE_REMOVAL_DIE_ON_ERROR) | |
35ad44cb | 1800 | die(_("could not start 'git status' in submodule '%s'"), |
83b76966 SB |
1801 | path); |
1802 | ret = -1; | |
1803 | goto out; | |
1804 | } | |
293ab15e JL |
1805 | |
1806 | len = strbuf_read(&buf, cp.out, 1024); | |
1807 | if (len > 2) | |
83b76966 | 1808 | ret = 1; |
293ab15e JL |
1809 | close(cp.out); |
1810 | ||
83b76966 SB |
1811 | if (finish_command(&cp)) { |
1812 | if (flags & SUBMODULE_REMOVAL_DIE_ON_ERROR) | |
35ad44cb | 1813 | die(_("could not run 'git status' in submodule '%s'"), |
83b76966 SB |
1814 | path); |
1815 | ret = -1; | |
1816 | } | |
1817 | out: | |
293ab15e | 1818 | strbuf_release(&buf); |
83b76966 | 1819 | return ret; |
293ab15e JL |
1820 | } |
1821 | ||
898c2e65 SB |
1822 | void submodule_unset_core_worktree(const struct submodule *sub) |
1823 | { | |
1824 | char *config_path = xstrfmt("%s/modules/%s/config", | |
a9472afb | 1825 | get_git_dir(), sub->name); |
898c2e65 SB |
1826 | |
1827 | if (git_config_set_in_file_gently(config_path, "core.worktree", NULL)) | |
1828 | warning(_("Could not unset core.worktree setting in submodule '%s'"), | |
1829 | sub->path); | |
1830 | ||
1831 | free(config_path); | |
1832 | } | |
1833 | ||
202275b9 SB |
1834 | static const char *get_super_prefix_or_empty(void) |
1835 | { | |
1836 | const char *s = get_super_prefix(); | |
1837 | if (!s) | |
1838 | s = ""; | |
1839 | return s; | |
1840 | } | |
1841 | ||
6e3c1595 SB |
1842 | static int submodule_has_dirty_index(const struct submodule *sub) |
1843 | { | |
1844 | struct child_process cp = CHILD_PROCESS_INIT; | |
1845 | ||
da27bc81 | 1846 | prepare_submodule_repo_env(&cp.env_array); |
6e3c1595 SB |
1847 | |
1848 | cp.git_cmd = 1; | |
1849 | argv_array_pushl(&cp.args, "diff-index", "--quiet", | |
1850 | "--cached", "HEAD", NULL); | |
1851 | cp.no_stdin = 1; | |
1852 | cp.no_stdout = 1; | |
1853 | cp.dir = sub->path; | |
1854 | if (start_command(&cp)) | |
a4ffbbbb | 1855 | die(_("could not recurse into submodule '%s'"), sub->path); |
6e3c1595 SB |
1856 | |
1857 | return finish_command(&cp); | |
1858 | } | |
1859 | ||
1860 | static void submodule_reset_index(const char *path) | |
1861 | { | |
1862 | struct child_process cp = CHILD_PROCESS_INIT; | |
da27bc81 | 1863 | prepare_submodule_repo_env(&cp.env_array); |
6e3c1595 SB |
1864 | |
1865 | cp.git_cmd = 1; | |
1866 | cp.no_stdin = 1; | |
1867 | cp.dir = path; | |
1868 | ||
1869 | argv_array_pushf(&cp.args, "--super-prefix=%s%s/", | |
1870 | get_super_prefix_or_empty(), path); | |
1871 | argv_array_pushl(&cp.args, "read-tree", "-u", "--reset", NULL); | |
1872 | ||
939b89a0 | 1873 | argv_array_push(&cp.args, empty_tree_oid_hex()); |
6e3c1595 SB |
1874 | |
1875 | if (run_command(&cp)) | |
a4ffbbbb | 1876 | die(_("could not reset submodule index")); |
6e3c1595 SB |
1877 | } |
1878 | ||
1879 | /** | |
1880 | * Moves a submodule at a given path from a given head to another new head. | |
1881 | * For edge cases (a submodule coming into existence or removing a submodule) | |
1882 | * pass NULL for old or new respectively. | |
1883 | */ | |
1884 | int submodule_move_head(const char *path, | |
bc099914 BW |
1885 | const char *old_head, |
1886 | const char *new_head, | |
6e3c1595 SB |
1887 | unsigned flags) |
1888 | { | |
1889 | int ret = 0; | |
1890 | struct child_process cp = CHILD_PROCESS_INIT; | |
1891 | const struct submodule *sub; | |
f2d48994 | 1892 | int *error_code_ptr, error_code; |
6e3c1595 | 1893 | |
627d9342 | 1894 | if (!is_submodule_active(the_repository, path)) |
823bab09 SB |
1895 | return 0; |
1896 | ||
f2d48994 SB |
1897 | if (flags & SUBMODULE_MOVE_HEAD_FORCE) |
1898 | /* | |
1899 | * Pass non NULL pointer to is_submodule_populated_gently | |
1900 | * to prevent die()-ing. We'll use connect_work_tree_and_git_dir | |
1901 | * to fixup the submodule in the force case later. | |
1902 | */ | |
1903 | error_code_ptr = &error_code; | |
1904 | else | |
1905 | error_code_ptr = NULL; | |
1906 | ||
bc099914 | 1907 | if (old_head && !is_submodule_populated_gently(path, error_code_ptr)) |
f2d48994 | 1908 | return 0; |
6e3c1595 | 1909 | |
3b8fb393 | 1910 | sub = submodule_from_path(the_repository, &null_oid, path); |
6e3c1595 SB |
1911 | |
1912 | if (!sub) | |
033abf97 | 1913 | BUG("could not get submodule information for '%s'", path); |
6e3c1595 | 1914 | |
bc099914 | 1915 | if (old_head && !(flags & SUBMODULE_MOVE_HEAD_FORCE)) { |
6e3c1595 SB |
1916 | /* Check if the submodule has a dirty index. */ |
1917 | if (submodule_has_dirty_index(sub)) | |
1918 | return error(_("submodule '%s' has dirty index"), path); | |
1919 | } | |
1920 | ||
1921 | if (!(flags & SUBMODULE_MOVE_HEAD_DRY_RUN)) { | |
bc099914 | 1922 | if (old_head) { |
6e3c1595 | 1923 | if (!submodule_uses_gitfile(path)) |
cf7a901a | 1924 | absorb_git_dir_into_superproject(path, |
6e3c1595 SB |
1925 | ABSORB_GITDIR_RECURSE_SUBMODULES); |
1926 | } else { | |
f2d48994 | 1927 | char *gitdir = xstrfmt("%s/modules/%s", |
a9472afb | 1928 | get_git_dir(), sub->name); |
da62f786 | 1929 | connect_work_tree_and_git_dir(path, gitdir, 0); |
f2d48994 | 1930 | free(gitdir); |
6e3c1595 SB |
1931 | |
1932 | /* make sure the index is clean as well */ | |
1933 | submodule_reset_index(path); | |
1934 | } | |
f2d48994 | 1935 | |
bc099914 | 1936 | if (old_head && (flags & SUBMODULE_MOVE_HEAD_FORCE)) { |
f2d48994 | 1937 | char *gitdir = xstrfmt("%s/modules/%s", |
a9472afb | 1938 | get_git_dir(), sub->name); |
da62f786 | 1939 | connect_work_tree_and_git_dir(path, gitdir, 1); |
f2d48994 SB |
1940 | free(gitdir); |
1941 | } | |
6e3c1595 SB |
1942 | } |
1943 | ||
da27bc81 | 1944 | prepare_submodule_repo_env(&cp.env_array); |
6e3c1595 SB |
1945 | |
1946 | cp.git_cmd = 1; | |
1947 | cp.no_stdin = 1; | |
1948 | cp.dir = path; | |
1949 | ||
1950 | argv_array_pushf(&cp.args, "--super-prefix=%s%s/", | |
1951 | get_super_prefix_or_empty(), path); | |
218c8837 | 1952 | argv_array_pushl(&cp.args, "read-tree", "--recurse-submodules", NULL); |
6e3c1595 SB |
1953 | |
1954 | if (flags & SUBMODULE_MOVE_HEAD_DRY_RUN) | |
1955 | argv_array_push(&cp.args, "-n"); | |
1956 | else | |
1957 | argv_array_push(&cp.args, "-u"); | |
1958 | ||
1959 | if (flags & SUBMODULE_MOVE_HEAD_FORCE) | |
1960 | argv_array_push(&cp.args, "--reset"); | |
1961 | else | |
1962 | argv_array_push(&cp.args, "-m"); | |
1963 | ||
7dcc1f4d | 1964 | if (!(flags & SUBMODULE_MOVE_HEAD_FORCE)) |
939b89a0 | 1965 | argv_array_push(&cp.args, old_head ? old_head : empty_tree_oid_hex()); |
7dcc1f4d | 1966 | |
939b89a0 | 1967 | argv_array_push(&cp.args, new_head ? new_head : empty_tree_oid_hex()); |
6e3c1595 SB |
1968 | |
1969 | if (run_command(&cp)) { | |
ba95d4e4 | 1970 | ret = error(_("Submodule '%s' could not be updated."), path); |
6e3c1595 SB |
1971 | goto out; |
1972 | } | |
1973 | ||
1974 | if (!(flags & SUBMODULE_MOVE_HEAD_DRY_RUN)) { | |
bc099914 | 1975 | if (new_head) { |
a17062cf | 1976 | child_process_init(&cp); |
6e3c1595 | 1977 | /* also set the HEAD accordingly */ |
a17062cf SB |
1978 | cp.git_cmd = 1; |
1979 | cp.no_stdin = 1; | |
1980 | cp.dir = path; | |
6e3c1595 | 1981 | |
218c8837 | 1982 | prepare_submodule_repo_env(&cp.env_array); |
3ef25380 | 1983 | argv_array_pushl(&cp.args, "update-ref", "HEAD", |
bc099914 | 1984 | "--no-deref", new_head, NULL); |
6e3c1595 | 1985 | |
a17062cf | 1986 | if (run_command(&cp)) { |
6e3c1595 SB |
1987 | ret = -1; |
1988 | goto out; | |
1989 | } | |
1990 | } else { | |
1991 | struct strbuf sb = STRBUF_INIT; | |
1992 | ||
1993 | strbuf_addf(&sb, "%s/.git", path); | |
1994 | unlink_or_warn(sb.buf); | |
1995 | strbuf_release(&sb); | |
1996 | ||
1997 | if (is_empty_dir(path)) | |
1998 | rmdir_or_warn(path); | |
898c2e65 SB |
1999 | |
2000 | submodule_unset_core_worktree(sub); | |
6e3c1595 SB |
2001 | } |
2002 | } | |
2003 | out: | |
2004 | return ret; | |
2005 | } | |
2006 | ||
a8dee3ca JS |
2007 | int validate_submodule_git_dir(char *git_dir, const char *submodule_name) |
2008 | { | |
2009 | size_t len = strlen(git_dir), suffix_len = strlen(submodule_name); | |
2010 | char *p; | |
2011 | int ret = 0; | |
2012 | ||
2013 | if (len <= suffix_len || (p = git_dir + len - suffix_len)[-1] != '/' || | |
2014 | strcmp(p, submodule_name)) | |
2015 | BUG("submodule name '%s' not a suffix of git dir '%s'", | |
2016 | submodule_name, git_dir); | |
2017 | ||
2018 | /* | |
2019 | * We prevent the contents of sibling submodules' git directories to | |
2020 | * clash. | |
2021 | * | |
2022 | * Example: having a submodule named `hippo` and another one named | |
2023 | * `hippo/hooks` would result in the git directories | |
2024 | * `.git/modules/hippo/` and `.git/modules/hippo/hooks/`, respectively, | |
2025 | * but the latter directory is already designated to contain the hooks | |
2026 | * of the former. | |
2027 | */ | |
2028 | for (; *p; p++) { | |
2029 | if (is_dir_sep(*p)) { | |
2030 | char c = *p; | |
2031 | ||
2032 | *p = '\0'; | |
2033 | if (is_git_directory(git_dir)) | |
2034 | ret = -1; | |
2035 | *p = c; | |
2036 | ||
2037 | if (ret < 0) | |
2038 | return error(_("submodule git dir '%s' is " | |
2039 | "inside git dir '%.*s'"), | |
2040 | git_dir, | |
2041 | (int)(p - git_dir), git_dir); | |
2042 | } | |
2043 | } | |
2044 | ||
2045 | return 0; | |
2046 | } | |
2047 | ||
f6f85861 SB |
2048 | /* |
2049 | * Embeds a single submodules git directory into the superprojects git dir, | |
2050 | * non recursively. | |
2051 | */ | |
cf7a901a | 2052 | static void relocate_single_git_dir_into_superproject(const char *path) |
f6f85861 SB |
2053 | { |
2054 | char *old_git_dir = NULL, *real_old_git_dir = NULL, *real_new_git_dir = NULL; | |
a8dee3ca | 2055 | char *new_git_dir; |
f6f85861 SB |
2056 | const struct submodule *sub; |
2057 | ||
2058 | if (submodule_uses_worktrees(path)) | |
2059 | die(_("relocate_gitdir for submodule '%s' with " | |
2060 | "more than one worktree not supported"), path); | |
2061 | ||
2062 | old_git_dir = xstrfmt("%s/.git", path); | |
2063 | if (read_gitfile(old_git_dir)) | |
2064 | /* If it is an actual gitfile, it doesn't need migration. */ | |
2065 | return; | |
2066 | ||
ce83eadd | 2067 | real_old_git_dir = real_pathdup(old_git_dir, 1); |
f6f85861 | 2068 | |
3b8fb393 | 2069 | sub = submodule_from_path(the_repository, &null_oid, path); |
f6f85861 SB |
2070 | if (!sub) |
2071 | die(_("could not lookup name for submodule '%s'"), path); | |
2072 | ||
a8dee3ca JS |
2073 | new_git_dir = git_pathdup("modules/%s", sub->name); |
2074 | if (validate_submodule_git_dir(new_git_dir, sub->name) < 0) | |
2075 | die(_("refusing to move '%s' into an existing git dir"), | |
2076 | real_old_git_dir); | |
f6f85861 SB |
2077 | if (safe_create_leading_directories_const(new_git_dir) < 0) |
2078 | die(_("could not create directory '%s'"), new_git_dir); | |
ce83eadd | 2079 | real_new_git_dir = real_pathdup(new_git_dir, 1); |
a8dee3ca | 2080 | free(new_git_dir); |
f6f85861 | 2081 | |
f6f85861 | 2082 | fprintf(stderr, _("Migrating git directory of '%s%s' from\n'%s' to\n'%s'\n"), |
202275b9 | 2083 | get_super_prefix_or_empty(), path, |
f6f85861 SB |
2084 | real_old_git_dir, real_new_git_dir); |
2085 | ||
2086 | relocate_gitdir(path, real_old_git_dir, real_new_git_dir); | |
2087 | ||
2088 | free(old_git_dir); | |
2089 | free(real_old_git_dir); | |
2090 | free(real_new_git_dir); | |
2091 | } | |
2092 | ||
2093 | /* | |
2094 | * Migrate the git directory of the submodule given by path from | |
2095 | * having its git directory within the working tree to the git dir nested | |
2096 | * in its superprojects git dir under modules/. | |
2097 | */ | |
cf7a901a | 2098 | void absorb_git_dir_into_superproject(const char *path, |
f6f85861 SB |
2099 | unsigned flags) |
2100 | { | |
ec9629b3 SB |
2101 | int err_code; |
2102 | const char *sub_git_dir; | |
f6f85861 | 2103 | struct strbuf gitdir = STRBUF_INIT; |
f6f85861 | 2104 | strbuf_addf(&gitdir, "%s/.git", path); |
ec9629b3 | 2105 | sub_git_dir = resolve_gitdir_gently(gitdir.buf, &err_code); |
f6f85861 SB |
2106 | |
2107 | /* Not populated? */ | |
ec9629b3 | 2108 | if (!sub_git_dir) { |
ec9629b3 SB |
2109 | const struct submodule *sub; |
2110 | ||
2111 | if (err_code == READ_GITFILE_ERR_STAT_FAILED) { | |
2112 | /* unpopulated as expected */ | |
2113 | strbuf_release(&gitdir); | |
2114 | return; | |
2115 | } | |
2116 | ||
2117 | if (err_code != READ_GITFILE_ERR_NOT_A_REPO) | |
2118 | /* We don't know what broke here. */ | |
2119 | read_gitfile_error_die(err_code, path, NULL); | |
2120 | ||
2121 | /* | |
2122 | * Maybe populated, but no git directory was found? | |
2123 | * This can happen if the superproject is a submodule | |
2124 | * itself and was just absorbed. The absorption of the | |
2125 | * superproject did not rewrite the git file links yet, | |
2126 | * fix it now. | |
2127 | */ | |
3b8fb393 | 2128 | sub = submodule_from_path(the_repository, &null_oid, path); |
ec9629b3 SB |
2129 | if (!sub) |
2130 | die(_("could not lookup name for submodule '%s'"), path); | |
365444a6 | 2131 | connect_work_tree_and_git_dir(path, |
da62f786 | 2132 | git_path("modules/%s", sub->name), 0); |
ec9629b3 SB |
2133 | } else { |
2134 | /* Is it already absorbed into the superprojects git dir? */ | |
ce83eadd JS |
2135 | char *real_sub_git_dir = real_pathdup(sub_git_dir, 1); |
2136 | char *real_common_git_dir = real_pathdup(get_git_common_dir(), 1); | |
f6f85861 | 2137 | |
ec9629b3 | 2138 | if (!starts_with(real_sub_git_dir, real_common_git_dir)) |
cf7a901a | 2139 | relocate_single_git_dir_into_superproject(path); |
ec9629b3 SB |
2140 | |
2141 | free(real_sub_git_dir); | |
2142 | free(real_common_git_dir); | |
2143 | } | |
2144 | strbuf_release(&gitdir); | |
f6f85861 SB |
2145 | |
2146 | if (flags & ABSORB_GITDIR_RECURSE_SUBMODULES) { | |
2147 | struct child_process cp = CHILD_PROCESS_INIT; | |
2148 | struct strbuf sb = STRBUF_INIT; | |
2149 | ||
2150 | if (flags & ~ABSORB_GITDIR_RECURSE_SUBMODULES) | |
033abf97 | 2151 | BUG("we don't know how to pass the flags down?"); |
f6f85861 | 2152 | |
202275b9 | 2153 | strbuf_addstr(&sb, get_super_prefix_or_empty()); |
f6f85861 SB |
2154 | strbuf_addstr(&sb, path); |
2155 | strbuf_addch(&sb, '/'); | |
2156 | ||
2157 | cp.dir = path; | |
2158 | cp.git_cmd = 1; | |
2159 | cp.no_stdin = 1; | |
2160 | argv_array_pushl(&cp.args, "--super-prefix", sb.buf, | |
2161 | "submodule--helper", | |
2162 | "absorb-git-dirs", NULL); | |
2163 | prepare_submodule_repo_env(&cp.env_array); | |
2164 | if (run_command(&cp)) | |
2165 | die(_("could not recurse into submodule '%s'"), path); | |
2166 | ||
2167 | strbuf_release(&sb); | |
2168 | } | |
f6f85861 | 2169 | } |
bf0231c6 SB |
2170 | |
2171 | const char *get_superproject_working_tree(void) | |
2172 | { | |
2173 | struct child_process cp = CHILD_PROCESS_INIT; | |
2174 | struct strbuf sb = STRBUF_INIT; | |
2175 | const char *one_up = real_path_if_valid("../"); | |
2176 | const char *cwd = xgetcwd(); | |
2177 | const char *ret = NULL; | |
2178 | const char *subpath; | |
2179 | int code; | |
2180 | ssize_t len; | |
2181 | ||
2182 | if (!is_inside_work_tree()) | |
2183 | /* | |
2184 | * FIXME: | |
2185 | * We might have a superproject, but it is harder | |
2186 | * to determine. | |
2187 | */ | |
2188 | return NULL; | |
2189 | ||
2190 | if (!one_up) | |
2191 | return NULL; | |
2192 | ||
2193 | subpath = relative_path(cwd, one_up, &sb); | |
2194 | ||
2195 | prepare_submodule_repo_env(&cp.env_array); | |
2196 | argv_array_pop(&cp.env_array); | |
2197 | ||
2198 | argv_array_pushl(&cp.args, "--literal-pathspecs", "-C", "..", | |
2199 | "ls-files", "-z", "--stage", "--full-name", "--", | |
2200 | subpath, NULL); | |
2201 | strbuf_reset(&sb); | |
2202 | ||
2203 | cp.no_stdin = 1; | |
2204 | cp.no_stderr = 1; | |
2205 | cp.out = -1; | |
2206 | cp.git_cmd = 1; | |
2207 | ||
2208 | if (start_command(&cp)) | |
2209 | die(_("could not start ls-files in ..")); | |
2210 | ||
2211 | len = strbuf_read(&sb, cp.out, PATH_MAX); | |
2212 | close(cp.out); | |
2213 | ||
2214 | if (starts_with(sb.buf, "160000")) { | |
2215 | int super_sub_len; | |
2216 | int cwd_len = strlen(cwd); | |
2217 | char *super_sub, *super_wt; | |
2218 | ||
2219 | /* | |
2220 | * There is a superproject having this repo as a submodule. | |
2221 | * The format is <mode> SP <hash> SP <stage> TAB <full name> \0, | |
2222 | * We're only interested in the name after the tab. | |
2223 | */ | |
2224 | super_sub = strchr(sb.buf, '\t') + 1; | |
c5cbb27c | 2225 | super_sub_len = strlen(super_sub); |
bf0231c6 SB |
2226 | |
2227 | if (super_sub_len > cwd_len || | |
2228 | strcmp(&cwd[cwd_len - super_sub_len], super_sub)) | |
c3c3486b | 2229 | BUG("returned path string doesn't match cwd?"); |
bf0231c6 SB |
2230 | |
2231 | super_wt = xstrdup(cwd); | |
2232 | super_wt[cwd_len - super_sub_len] = '\0'; | |
2233 | ||
2234 | ret = real_path(super_wt); | |
2235 | free(super_wt); | |
2236 | } | |
2237 | strbuf_release(&sb); | |
2238 | ||
2239 | code = finish_command(&cp); | |
2240 | ||
2241 | if (code == 128) | |
2242 | /* '../' is not a git repository */ | |
2243 | return NULL; | |
2244 | if (code == 0 && len == 0) | |
2245 | /* There is an unrelated git repository at '../' */ | |
2246 | return NULL; | |
2247 | if (code) | |
2248 | die(_("ls-tree returned unexpected return code %d"), code); | |
2249 | ||
2250 | return ret; | |
2251 | } | |
bbbb7de7 | 2252 | |
3ce08548 HWN |
2253 | /* |
2254 | * Put the gitdir for a submodule (given relative to the main | |
2255 | * repository worktree) into `buf`, or return -1 on error. | |
2256 | */ | |
bbbb7de7 NTND |
2257 | int submodule_to_gitdir(struct strbuf *buf, const char *submodule) |
2258 | { | |
2259 | const struct submodule *sub; | |
2260 | const char *git_dir; | |
2261 | int ret = 0; | |
2262 | ||
2263 | strbuf_reset(buf); | |
2264 | strbuf_addstr(buf, submodule); | |
2265 | strbuf_complete(buf, '/'); | |
2266 | strbuf_addstr(buf, ".git"); | |
2267 | ||
2268 | git_dir = read_gitfile(buf->buf); | |
2269 | if (git_dir) { | |
2270 | strbuf_reset(buf); | |
2271 | strbuf_addstr(buf, git_dir); | |
2272 | } | |
2273 | if (!is_git_directory(buf->buf)) { | |
3b8fb393 | 2274 | sub = submodule_from_path(the_repository, &null_oid, submodule); |
bbbb7de7 NTND |
2275 | if (!sub) { |
2276 | ret = -1; | |
2277 | goto cleanup; | |
2278 | } | |
2279 | strbuf_reset(buf); | |
2280 | strbuf_git_path(buf, "%s/%s", "modules", sub->name); | |
2281 | } | |
2282 | ||
2283 | cleanup: | |
2284 | return ret; | |
2285 | } |