]>
Commit | Line | Data |
---|---|---|
752c0c24 | 1 | #include "cache.h" |
69aba532 | 2 | #include "repository.h" |
b2141fc1 | 3 | #include "config.h" |
851e18c3 | 4 | #include "submodule-config.h" |
752c0c24 JS |
5 | #include "submodule.h" |
6 | #include "dir.h" | |
7 | #include "diff.h" | |
8 | #include "commit.h" | |
9 | #include "revision.h" | |
ee6fc514 | 10 | #include "run-command.h" |
c7e1a736 | 11 | #include "diffcore.h" |
68d03e4a | 12 | #include "refs.h" |
aee9c7d6 | 13 | #include "string-list.h" |
6859de45 | 14 | #include "sha1-array.h" |
c1189cae | 15 | #include "argv-array.h" |
5fee9952 | 16 | #include "blob.h" |
fe85ee6e | 17 | #include "thread-utils.h" |
4638728c | 18 | #include "quote.h" |
06bf4ad1 | 19 | #include "remote.h" |
f6f85861 | 20 | #include "worktree.h" |
046b4823 | 21 | #include "parse-options.h" |
aee9c7d6 | 22 | |
88a21979 | 23 | static int config_fetch_recurse_submodules = RECURSE_SUBMODULES_ON_DEMAND; |
d7a3803f | 24 | static int config_update_recurse_submodules = RECURSE_SUBMODULES_OFF; |
a028a193 | 25 | static int parallel_jobs = 1; |
a6bb78c3 | 26 | static struct string_list changed_submodule_paths = STRING_LIST_INIT_DUP; |
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 JL |
31 | /* |
32 | * The following flag is set if the .gitmodules file is unmerged. We then | |
33 | * disable recursion for all submodules where .git/config doesn't have a | |
34 | * matching config entry because we can't guess what might be configured in | |
35 | * .gitmodules unless the user resolves the conflict. When a command line | |
36 | * option is given (which always overrides configuration) this flag will be | |
37 | * ignored. | |
38 | */ | |
39 | static int gitmodules_is_unmerged; | |
752c0c24 | 40 | |
5fee9952 JL |
41 | /* |
42 | * This flag is set if the .gitmodules file had unstaged modifications on | |
43 | * startup. This must be checked before allowing modifications to the | |
44 | * .gitmodules file with the intention to stage them later, because when | |
45 | * continuing we would stage the modifications the user didn't stage herself | |
46 | * too. That might change in a future version when we learn to stage the | |
47 | * changes we do ourselves without staging any previous modifications. | |
48 | */ | |
49 | static int gitmodules_is_modified; | |
50 | ||
5fee9952 JL |
51 | int is_staging_gitmodules_ok(void) |
52 | { | |
53 | return !gitmodules_is_modified; | |
54 | } | |
55 | ||
0656781f JL |
56 | /* |
57 | * Try to update the "path" entry in the "submodule.<name>" section of the | |
58 | * .gitmodules file. Return 0 only if a .gitmodules file was found, a section | |
59 | * with the correct path=<oldpath> setting was found and we could update it. | |
60 | */ | |
61 | int update_path_in_gitmodules(const char *oldpath, const char *newpath) | |
62 | { | |
63 | struct strbuf entry = STRBUF_INIT; | |
851e18c3 | 64 | const struct submodule *submodule; |
0656781f JL |
65 | |
66 | if (!file_exists(".gitmodules")) /* Do nothing without .gitmodules */ | |
67 | return -1; | |
68 | ||
69 | if (gitmodules_is_unmerged) | |
70 | die(_("Cannot change unmerged .gitmodules, resolve merge conflicts first")); | |
71 | ||
851e18c3 HV |
72 | submodule = submodule_from_path(null_sha1, oldpath); |
73 | if (!submodule || !submodule->name) { | |
0656781f JL |
74 | warning(_("Could not find section in .gitmodules where path=%s"), oldpath); |
75 | return -1; | |
76 | } | |
77 | strbuf_addstr(&entry, "submodule."); | |
851e18c3 | 78 | strbuf_addstr(&entry, submodule->name); |
0656781f | 79 | strbuf_addstr(&entry, ".path"); |
30598ad0 | 80 | if (git_config_set_in_file_gently(".gitmodules", entry.buf, newpath) < 0) { |
0656781f JL |
81 | /* Maybe the user already did that, don't error out here */ |
82 | warning(_("Could not update .gitmodules entry %s"), entry.buf); | |
83 | strbuf_release(&entry); | |
84 | return -1; | |
85 | } | |
86 | strbuf_release(&entry); | |
87 | return 0; | |
88 | } | |
89 | ||
95c16418 JL |
90 | /* |
91 | * Try to remove the "submodule.<name>" section from .gitmodules where the given | |
92 | * path is configured. Return 0 only if a .gitmodules file was found, a section | |
93 | * with the correct path=<path> setting was found and we could remove it. | |
94 | */ | |
95 | int remove_path_from_gitmodules(const char *path) | |
96 | { | |
97 | struct strbuf sect = STRBUF_INIT; | |
851e18c3 | 98 | const struct submodule *submodule; |
95c16418 JL |
99 | |
100 | if (!file_exists(".gitmodules")) /* Do nothing without .gitmodules */ | |
101 | return -1; | |
102 | ||
103 | if (gitmodules_is_unmerged) | |
104 | die(_("Cannot change unmerged .gitmodules, resolve merge conflicts first")); | |
105 | ||
851e18c3 HV |
106 | submodule = submodule_from_path(null_sha1, path); |
107 | if (!submodule || !submodule->name) { | |
95c16418 JL |
108 | warning(_("Could not find section in .gitmodules where path=%s"), path); |
109 | return -1; | |
110 | } | |
111 | strbuf_addstr(§, "submodule."); | |
851e18c3 | 112 | strbuf_addstr(§, submodule->name); |
95c16418 JL |
113 | if (git_config_rename_section_in_file(".gitmodules", sect.buf, NULL) < 0) { |
114 | /* Maybe the user already did that, don't error out here */ | |
115 | warning(_("Could not remove .gitmodules entry for %s"), path); | |
116 | strbuf_release(§); | |
117 | return -1; | |
118 | } | |
119 | strbuf_release(§); | |
120 | return 0; | |
121 | } | |
122 | ||
5fee9952 JL |
123 | void stage_updated_gitmodules(void) |
124 | { | |
bc8d6b9b | 125 | if (add_file_to_cache(".gitmodules", 0)) |
5fee9952 JL |
126 | die(_("staging updated .gitmodules failed")); |
127 | } | |
128 | ||
cb58c932 | 129 | static int add_submodule_odb(const char *path) |
752c0c24 JS |
130 | { |
131 | struct strbuf objects_directory = STRBUF_INIT; | |
de7a7960 | 132 | int ret = 0; |
752c0c24 | 133 | |
99b43a61 JK |
134 | ret = strbuf_git_path_submodule(&objects_directory, path, "objects/"); |
135 | if (ret) | |
136 | goto done; | |
de7a7960 JL |
137 | if (!is_directory(objects_directory.buf)) { |
138 | ret = -1; | |
139 | goto done; | |
140 | } | |
a5b34d21 | 141 | add_to_alternates_memory(objects_directory.buf); |
de7a7960 JL |
142 | done: |
143 | strbuf_release(&objects_directory); | |
144 | return ret; | |
752c0c24 JS |
145 | } |
146 | ||
aee9c7d6 JL |
147 | void set_diffopt_flags_from_submodule_config(struct diff_options *diffopt, |
148 | const char *path) | |
149 | { | |
851e18c3 HV |
150 | const struct submodule *submodule = submodule_from_path(null_sha1, path); |
151 | if (submodule) { | |
152 | if (submodule->ignore) | |
153 | handle_ignore_submodules_arg(diffopt, submodule->ignore); | |
d4e98b58 JL |
154 | else if (gitmodules_is_unmerged) |
155 | DIFF_OPT_SET(diffopt, IGNORE_SUBMODULES); | |
aee9c7d6 JL |
156 | } |
157 | } | |
158 | ||
1d789d08 SB |
159 | /* For loading from the .gitmodules file. */ |
160 | static int git_modules_config(const char *var, const char *value, void *cb) | |
302ad7a9 | 161 | { |
a028a193 SB |
162 | if (!strcmp(var, "submodule.fetchjobs")) { |
163 | parallel_jobs = git_config_int(var, value); | |
164 | if (parallel_jobs < 0) | |
165 | die(_("negative values not allowed for submodule.fetchJobs")); | |
166 | return 0; | |
167 | } else if (starts_with(var, "submodule.")) | |
302ad7a9 | 168 | return parse_submodule_config_option(var, value); |
be254a0e | 169 | else if (!strcmp(var, "fetch.recursesubmodules")) { |
1fb25502 | 170 | config_fetch_recurse_submodules = parse_fetch_recurse_submodules_arg(var, value); |
be254a0e JL |
171 | return 0; |
172 | } | |
302ad7a9 JL |
173 | return 0; |
174 | } | |
175 | ||
046b4823 | 176 | /* Loads all submodule settings from the config. */ |
1d789d08 SB |
177 | int submodule_config(const char *var, const char *value, void *cb) |
178 | { | |
046b4823 SB |
179 | if (!strcmp(var, "submodule.recurse")) { |
180 | int v = git_config_bool(var, value) ? | |
181 | RECURSE_SUBMODULES_ON : RECURSE_SUBMODULES_OFF; | |
182 | config_update_recurse_submodules = v; | |
183 | return 0; | |
184 | } else { | |
185 | return git_modules_config(var, value, cb); | |
186 | } | |
187 | } | |
188 | ||
189 | /* Cheap function that only determines if we're interested in submodules at all */ | |
190 | int git_default_submodule_config(const char *var, const char *value, void *cb) | |
191 | { | |
192 | if (!strcmp(var, "submodule.recurse")) { | |
193 | int v = git_config_bool(var, value) ? | |
194 | RECURSE_SUBMODULES_ON : RECURSE_SUBMODULES_OFF; | |
195 | config_update_recurse_submodules = v; | |
196 | } | |
197 | return 0; | |
1d789d08 SB |
198 | } |
199 | ||
d7a3803f SB |
200 | int option_parse_recurse_submodules_worktree_updater(const struct option *opt, |
201 | const char *arg, int unset) | |
202 | { | |
203 | if (unset) { | |
204 | config_update_recurse_submodules = RECURSE_SUBMODULES_OFF; | |
205 | return 0; | |
206 | } | |
207 | if (arg) | |
208 | config_update_recurse_submodules = | |
209 | parse_update_recurse_submodules_arg(opt->long_name, | |
210 | arg); | |
211 | else | |
212 | config_update_recurse_submodules = RECURSE_SUBMODULES_ON; | |
213 | ||
214 | return 0; | |
215 | } | |
216 | ||
217 | void load_submodule_cache(void) | |
218 | { | |
219 | if (config_update_recurse_submodules == RECURSE_SUBMODULES_OFF) | |
220 | return; | |
221 | ||
222 | gitmodules_config(); | |
223 | git_config(submodule_config, NULL); | |
224 | } | |
225 | ||
302ad7a9 JL |
226 | void gitmodules_config(void) |
227 | { | |
228 | const char *work_tree = get_git_work_tree(); | |
229 | if (work_tree) { | |
230 | struct strbuf gitmodules_path = STRBUF_INIT; | |
d4e98b58 | 231 | int pos; |
302ad7a9 JL |
232 | strbuf_addstr(&gitmodules_path, work_tree); |
233 | strbuf_addstr(&gitmodules_path, "/.gitmodules"); | |
d4e98b58 JL |
234 | if (read_cache() < 0) |
235 | die("index file corrupt"); | |
236 | pos = cache_name_pos(".gitmodules", 11); | |
237 | if (pos < 0) { /* .gitmodules not found or isn't merged */ | |
238 | pos = -1 - pos; | |
239 | if (active_nr > pos) { /* there is a .gitmodules */ | |
240 | const struct cache_entry *ce = active_cache[pos]; | |
241 | if (ce_namelen(ce) == 11 && | |
242 | !memcmp(ce->name, ".gitmodules", 11)) | |
243 | gitmodules_is_unmerged = 1; | |
244 | } | |
5fee9952 JL |
245 | } else if (pos < active_nr) { |
246 | struct stat st; | |
247 | if (lstat(".gitmodules", &st) == 0 && | |
248 | ce_match_stat(active_cache[pos], &st, 0) & DATA_CHANGED) | |
249 | gitmodules_is_modified = 1; | |
d4e98b58 JL |
250 | } |
251 | ||
252 | if (!gitmodules_is_unmerged) | |
1d789d08 SB |
253 | git_config_from_file(git_modules_config, |
254 | gitmodules_path.buf, NULL); | |
302ad7a9 JL |
255 | strbuf_release(&gitmodules_path); |
256 | } | |
257 | } | |
258 | ||
69aba532 BW |
259 | static int gitmodules_cb(const char *var, const char *value, void *data) |
260 | { | |
261 | struct repository *repo = data; | |
262 | return submodule_config_option(repo, var, value); | |
263 | } | |
264 | ||
265 | void repo_read_gitmodules(struct repository *repo) | |
266 | { | |
267 | char *gitmodules_path = repo_worktree_path(repo, ".gitmodules"); | |
268 | ||
269 | git_config_from_file(gitmodules_cb, gitmodules_path, repo); | |
270 | free(gitmodules_path); | |
271 | } | |
272 | ||
9ebf689a BW |
273 | void gitmodules_config_sha1(const unsigned char *commit_sha1) |
274 | { | |
275 | struct strbuf rev = STRBUF_INIT; | |
276 | unsigned char sha1[20]; | |
277 | ||
278 | if (gitmodule_sha1_from_commit(commit_sha1, sha1, &rev)) { | |
1d789d08 | 279 | git_config_from_blob_sha1(git_modules_config, rev.buf, |
9ebf689a BW |
280 | sha1, NULL); |
281 | } | |
282 | strbuf_release(&rev); | |
283 | } | |
284 | ||
f9f42560 BW |
285 | /* |
286 | * Determine if a submodule has been initialized at a given 'path' | |
287 | */ | |
627d9342 | 288 | int is_submodule_active(struct repository *repo, const char *path) |
f9f42560 BW |
289 | { |
290 | int ret = 0; | |
a086f921 BW |
291 | char *key = NULL; |
292 | char *value = NULL; | |
293 | const struct string_list *sl; | |
627d9342 BW |
294 | const struct submodule *module; |
295 | ||
296 | module = submodule_from_cache(repo, null_sha1, path); | |
f9f42560 | 297 | |
a086f921 BW |
298 | /* early return if there isn't a path->module mapping */ |
299 | if (!module) | |
300 | return 0; | |
f9f42560 | 301 | |
a086f921 BW |
302 | /* submodule.<name>.active is set */ |
303 | key = xstrfmt("submodule.%s.active", module->name); | |
627d9342 | 304 | if (!repo_config_get_bool(repo, key, &ret)) { |
a086f921 BW |
305 | free(key); |
306 | return ret; | |
307 | } | |
308 | free(key); | |
f9f42560 | 309 | |
a086f921 | 310 | /* submodule.active is set */ |
627d9342 | 311 | sl = repo_config_get_value_multi(repo, "submodule.active"); |
a086f921 BW |
312 | if (sl) { |
313 | struct pathspec ps; | |
314 | struct argv_array args = ARGV_ARRAY_INIT; | |
315 | const struct string_list_item *item; | |
f9f42560 | 316 | |
a086f921 BW |
317 | for_each_string_list_item(item, sl) { |
318 | argv_array_push(&args, item->string); | |
319 | } | |
320 | ||
321 | parse_pathspec(&ps, 0, 0, NULL, args.argv); | |
322 | ret = match_pathspec(&ps, path, strlen(path), 0, NULL, 1); | |
323 | ||
324 | argv_array_clear(&args); | |
325 | clear_pathspec(&ps); | |
326 | return ret; | |
f9f42560 BW |
327 | } |
328 | ||
a086f921 BW |
329 | /* fallback to checking if the URL is set */ |
330 | key = xstrfmt("submodule.%s.url", module->name); | |
627d9342 | 331 | ret = !repo_config_get_string(repo, key, &value); |
a086f921 BW |
332 | |
333 | free(value); | |
334 | free(key); | |
f9f42560 BW |
335 | return ret; |
336 | } | |
337 | ||
15cdc647 | 338 | int is_submodule_populated_gently(const char *path, int *return_error_code) |
5688c28d BW |
339 | { |
340 | int ret = 0; | |
341 | char *gitdir = xstrfmt("%s/.git", path); | |
342 | ||
15cdc647 | 343 | if (resolve_gitdir_gently(gitdir, return_error_code)) |
5688c28d BW |
344 | ret = 1; |
345 | ||
346 | free(gitdir); | |
347 | return ret; | |
348 | } | |
349 | ||
bdab9721 BW |
350 | /* |
351 | * Dies if the provided 'prefix' corresponds to an unpopulated submodule | |
352 | */ | |
353 | void die_in_unpopulated_submodule(const struct index_state *istate, | |
354 | const char *prefix) | |
355 | { | |
356 | int i, prefixlen; | |
357 | ||
358 | if (!prefix) | |
359 | return; | |
360 | ||
361 | prefixlen = strlen(prefix); | |
362 | ||
363 | for (i = 0; i < istate->cache_nr; i++) { | |
364 | struct cache_entry *ce = istate->cache[i]; | |
365 | int ce_len = ce_namelen(ce); | |
366 | ||
367 | if (!S_ISGITLINK(ce->ce_mode)) | |
368 | continue; | |
369 | if (prefixlen <= ce_len) | |
370 | continue; | |
371 | if (strncmp(ce->name, prefix, ce_len)) | |
372 | continue; | |
373 | if (prefix[ce_len] != '/') | |
374 | continue; | |
375 | ||
376 | die(_("in unpopulated submodule '%s'"), ce->name); | |
377 | } | |
378 | } | |
379 | ||
c08397e3 BW |
380 | /* |
381 | * Dies if any paths in the provided pathspec descends into a submodule | |
382 | */ | |
383 | void die_path_inside_submodule(const struct index_state *istate, | |
384 | const struct pathspec *ps) | |
385 | { | |
386 | int i, j; | |
387 | ||
388 | for (i = 0; i < istate->cache_nr; i++) { | |
389 | struct cache_entry *ce = istate->cache[i]; | |
390 | int ce_len = ce_namelen(ce); | |
391 | ||
392 | if (!S_ISGITLINK(ce->ce_mode)) | |
393 | continue; | |
394 | ||
395 | for (j = 0; j < ps->nr ; j++) { | |
396 | const struct pathspec_item *item = &ps->items[j]; | |
397 | ||
398 | if (item->len <= ce_len) | |
399 | continue; | |
400 | if (item->match[ce_len] != '/') | |
401 | continue; | |
402 | if (strncmp(ce->name, item->match, ce_len)) | |
403 | continue; | |
404 | if (item->len == ce_len + 1) | |
405 | continue; | |
406 | ||
407 | die(_("Pathspec '%s' is in submodule '%.*s'"), | |
408 | item->original, ce_len, ce->name); | |
409 | } | |
410 | } | |
411 | } | |
412 | ||
ea2fa5a3 SB |
413 | int parse_submodule_update_strategy(const char *value, |
414 | struct submodule_update_strategy *dst) | |
415 | { | |
416 | free((void*)dst->command); | |
417 | dst->command = NULL; | |
418 | if (!strcmp(value, "none")) | |
419 | dst->type = SM_UPDATE_NONE; | |
420 | else if (!strcmp(value, "checkout")) | |
421 | dst->type = SM_UPDATE_CHECKOUT; | |
422 | else if (!strcmp(value, "rebase")) | |
423 | dst->type = SM_UPDATE_REBASE; | |
424 | else if (!strcmp(value, "merge")) | |
425 | dst->type = SM_UPDATE_MERGE; | |
426 | else if (skip_prefix(value, "!", &value)) { | |
427 | dst->type = SM_UPDATE_COMMAND; | |
428 | dst->command = xstrdup(value); | |
429 | } else | |
430 | return -1; | |
431 | return 0; | |
432 | } | |
433 | ||
3604242f SB |
434 | const char *submodule_strategy_to_string(const struct submodule_update_strategy *s) |
435 | { | |
436 | struct strbuf sb = STRBUF_INIT; | |
437 | switch (s->type) { | |
438 | case SM_UPDATE_CHECKOUT: | |
439 | return "checkout"; | |
440 | case SM_UPDATE_MERGE: | |
441 | return "merge"; | |
442 | case SM_UPDATE_REBASE: | |
443 | return "rebase"; | |
444 | case SM_UPDATE_NONE: | |
445 | return "none"; | |
446 | case SM_UPDATE_UNSPECIFIED: | |
447 | return NULL; | |
448 | case SM_UPDATE_COMMAND: | |
449 | strbuf_addf(&sb, "!%s", s->command); | |
450 | return strbuf_detach(&sb, NULL); | |
451 | } | |
452 | return NULL; | |
453 | } | |
454 | ||
46a958b3 JL |
455 | void handle_ignore_submodules_arg(struct diff_options *diffopt, |
456 | const char *arg) | |
457 | { | |
be4f2b40 JS |
458 | DIFF_OPT_CLR(diffopt, IGNORE_SUBMODULES); |
459 | DIFF_OPT_CLR(diffopt, IGNORE_UNTRACKED_IN_SUBMODULES); | |
460 | DIFF_OPT_CLR(diffopt, IGNORE_DIRTY_SUBMODULES); | |
461 | ||
46a958b3 JL |
462 | if (!strcmp(arg, "all")) |
463 | DIFF_OPT_SET(diffopt, IGNORE_SUBMODULES); | |
464 | else if (!strcmp(arg, "untracked")) | |
465 | DIFF_OPT_SET(diffopt, IGNORE_UNTRACKED_IN_SUBMODULES); | |
466 | else if (!strcmp(arg, "dirty")) | |
467 | DIFF_OPT_SET(diffopt, IGNORE_DIRTY_SUBMODULES); | |
aee9c7d6 | 468 | else if (strcmp(arg, "none")) |
46a958b3 JL |
469 | die("bad --ignore-submodules argument: %s", arg); |
470 | } | |
471 | ||
808a95dc JN |
472 | static int prepare_submodule_summary(struct rev_info *rev, const char *path, |
473 | struct commit *left, struct commit *right, | |
8e6df650 | 474 | struct commit_list *merge_bases) |
808a95dc | 475 | { |
8e6df650 | 476 | struct commit_list *list; |
808a95dc JN |
477 | |
478 | init_revisions(rev, NULL); | |
479 | setup_revisions(0, NULL, rev, NULL); | |
480 | rev->left_right = 1; | |
481 | rev->first_parent_only = 1; | |
482 | left->object.flags |= SYMMETRIC_LEFT; | |
483 | add_pending_object(rev, &left->object, path); | |
484 | add_pending_object(rev, &right->object, path); | |
808a95dc JN |
485 | for (list = merge_bases; list; list = list->next) { |
486 | list->item->object.flags |= UNINTERESTING; | |
487 | add_pending_object(rev, &list->item->object, | |
f2fd0760 | 488 | oid_to_hex(&list->item->object.oid)); |
808a95dc JN |
489 | } |
490 | return prepare_revision_walk(rev); | |
491 | } | |
492 | ||
493 | static void print_submodule_summary(struct rev_info *rev, FILE *f, | |
0f33a067 | 494 | const char *line_prefix, |
808a95dc JN |
495 | const char *del, const char *add, const char *reset) |
496 | { | |
497 | static const char format[] = " %m %s"; | |
498 | struct strbuf sb = STRBUF_INIT; | |
499 | struct commit *commit; | |
500 | ||
501 | while ((commit = get_revision(rev))) { | |
502 | struct pretty_print_context ctx = {0}; | |
503 | ctx.date_mode = rev->date_mode; | |
ecaee805 | 504 | ctx.output_encoding = get_log_output_encoding(); |
808a95dc | 505 | strbuf_setlen(&sb, 0); |
0f33a067 | 506 | strbuf_addstr(&sb, line_prefix); |
808a95dc JN |
507 | if (commit->object.flags & SYMMETRIC_LEFT) { |
508 | if (del) | |
509 | strbuf_addstr(&sb, del); | |
510 | } | |
511 | else if (add) | |
512 | strbuf_addstr(&sb, add); | |
513 | format_commit_message(commit, format, &sb, &ctx); | |
514 | if (reset) | |
515 | strbuf_addstr(&sb, reset); | |
516 | strbuf_addch(&sb, '\n'); | |
517 | fprintf(f, "%s", sb.buf); | |
518 | } | |
519 | strbuf_release(&sb); | |
520 | } | |
521 | ||
6cd5757c SB |
522 | static void prepare_submodule_repo_env_no_git_dir(struct argv_array *out) |
523 | { | |
524 | const char * const *var; | |
525 | ||
526 | for (var = local_repo_env; *var; var++) { | |
527 | if (strcmp(*var, CONFIG_DATA_ENVIRONMENT)) | |
528 | argv_array_push(out, *var); | |
529 | } | |
530 | } | |
531 | ||
532 | void prepare_submodule_repo_env(struct argv_array *out) | |
533 | { | |
534 | prepare_submodule_repo_env_no_git_dir(out); | |
535 | argv_array_pushf(out, "%s=%s", GIT_DIR_ENVIRONMENT, | |
536 | DEFAULT_GIT_DIR_ENVIRONMENT); | |
537 | } | |
538 | ||
8e6df650 JK |
539 | /* Helper function to display the submodule header line prior to the full |
540 | * summary output. If it can locate the submodule objects directory it will | |
541 | * attempt to lookup both the left and right commits and put them into the | |
542 | * left and right pointers. | |
543 | */ | |
544 | static void show_submodule_header(FILE *f, const char *path, | |
0f33a067 | 545 | const char *line_prefix, |
602a283a | 546 | struct object_id *one, struct object_id *two, |
4e215131 | 547 | unsigned dirty_submodule, const char *meta, |
8e6df650 JK |
548 | const char *reset, |
549 | struct commit **left, struct commit **right, | |
550 | struct commit_list **merge_bases) | |
752c0c24 | 551 | { |
752c0c24 JS |
552 | const char *message = NULL; |
553 | struct strbuf sb = STRBUF_INIT; | |
752c0c24 JS |
554 | int fast_forward = 0, fast_backward = 0; |
555 | ||
c7e1a736 | 556 | if (dirty_submodule & DIRTY_SUBMODULE_UNTRACKED) |
0f33a067 JK |
557 | fprintf(f, "%sSubmodule %s contains untracked content\n", |
558 | line_prefix, path); | |
c7e1a736 | 559 | if (dirty_submodule & DIRTY_SUBMODULE_MODIFIED) |
0f33a067 JK |
560 | fprintf(f, "%sSubmodule %s contains modified content\n", |
561 | line_prefix, path); | |
c7e1a736 | 562 | |
8e6df650 JK |
563 | if (is_null_oid(one)) |
564 | message = "(new submodule)"; | |
565 | else if (is_null_oid(two)) | |
566 | message = "(submodule deleted)"; | |
567 | ||
568 | if (add_submodule_odb(path)) { | |
569 | if (!message) | |
570 | message = "(not initialized)"; | |
571 | goto output_header; | |
572 | } | |
573 | ||
574 | /* | |
575 | * Attempt to lookup the commit references, and determine if this is | |
576 | * a fast forward or fast backwards update. | |
577 | */ | |
bc83266a | 578 | *left = lookup_commit_reference(one); |
579 | *right = lookup_commit_reference(two); | |
8e6df650 JK |
580 | |
581 | /* | |
582 | * Warn about missing commits in the submodule project, but only if | |
583 | * they aren't null. | |
584 | */ | |
585 | if ((!is_null_oid(one) && !*left) || | |
586 | (!is_null_oid(two) && !*right)) | |
587 | message = "(commits not present)"; | |
588 | ||
589 | *merge_bases = get_merge_bases(*left, *right); | |
590 | if (*merge_bases) { | |
591 | if ((*merge_bases)->item == *left) | |
592 | fast_forward = 1; | |
593 | else if ((*merge_bases)->item == *right) | |
594 | fast_backward = 1; | |
595 | } | |
596 | ||
602a283a | 597 | if (!oidcmp(one, two)) { |
c7e1a736 JL |
598 | strbuf_release(&sb); |
599 | return; | |
600 | } | |
601 | ||
8e6df650 | 602 | output_header: |
a94bb683 | 603 | strbuf_addf(&sb, "%s%sSubmodule %s ", line_prefix, meta, path); |
69e65449 | 604 | strbuf_add_unique_abbrev(&sb, one->hash, DEFAULT_ABBREV); |
a94bb683 | 605 | strbuf_addstr(&sb, (fast_backward || fast_forward) ? ".." : "..."); |
f0798e6c | 606 | strbuf_add_unique_abbrev(&sb, two->hash, DEFAULT_ABBREV); |
752c0c24 | 607 | if (message) |
4e215131 | 608 | strbuf_addf(&sb, " %s%s\n", message, reset); |
752c0c24 | 609 | else |
4e215131 | 610 | strbuf_addf(&sb, "%s:%s\n", fast_backward ? " (rewind)" : "", reset); |
752c0c24 JS |
611 | fwrite(sb.buf, sb.len, 1, f); |
612 | ||
752c0c24 JS |
613 | strbuf_release(&sb); |
614 | } | |
ee6fc514 | 615 | |
8e6df650 JK |
616 | void show_submodule_summary(FILE *f, const char *path, |
617 | const char *line_prefix, | |
618 | struct object_id *one, struct object_id *two, | |
619 | unsigned dirty_submodule, const char *meta, | |
620 | const char *del, const char *add, const char *reset) | |
621 | { | |
622 | struct rev_info rev; | |
623 | struct commit *left = NULL, *right = NULL; | |
624 | struct commit_list *merge_bases = NULL; | |
625 | ||
626 | show_submodule_header(f, path, line_prefix, one, two, dirty_submodule, | |
627 | meta, reset, &left, &right, &merge_bases); | |
628 | ||
629 | /* | |
630 | * If we don't have both a left and a right pointer, there is no | |
631 | * reason to try and display a summary. The header line should contain | |
632 | * all the information the user needs. | |
633 | */ | |
634 | if (!left || !right) | |
635 | goto out; | |
636 | ||
637 | /* Treat revision walker failure the same as missing commits */ | |
638 | if (prepare_submodule_summary(&rev, path, left, right, merge_bases)) { | |
639 | fprintf(f, "%s(revision walker failed)\n", line_prefix); | |
640 | goto out; | |
641 | } | |
642 | ||
643 | print_submodule_summary(&rev, f, line_prefix, del, add, reset); | |
644 | ||
645 | out: | |
646 | if (merge_bases) | |
647 | free_commit_list(merge_bases); | |
648 | clear_commit_marks(left, ~0); | |
649 | clear_commit_marks(right, ~0); | |
650 | } | |
651 | ||
fd47ae6a JK |
652 | void show_submodule_inline_diff(FILE *f, const char *path, |
653 | const char *line_prefix, | |
654 | struct object_id *one, struct object_id *two, | |
655 | unsigned dirty_submodule, const char *meta, | |
656 | const char *del, const char *add, const char *reset, | |
657 | const struct diff_options *o) | |
658 | { | |
659 | const struct object_id *old = &empty_tree_oid, *new = &empty_tree_oid; | |
660 | struct commit *left = NULL, *right = NULL; | |
661 | struct commit_list *merge_bases = NULL; | |
662 | struct strbuf submodule_dir = STRBUF_INIT; | |
663 | struct child_process cp = CHILD_PROCESS_INIT; | |
664 | ||
665 | show_submodule_header(f, path, line_prefix, one, two, dirty_submodule, | |
666 | meta, reset, &left, &right, &merge_bases); | |
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) | |
674 | old = one; | |
675 | if (right) | |
676 | new = two; | |
677 | ||
678 | fflush(f); | |
679 | cp.git_cmd = 1; | |
680 | cp.dir = path; | |
681 | cp.out = dup(fileno(f)); | |
682 | cp.no_stdin = 1; | |
683 | ||
684 | /* TODO: other options may need to be passed here. */ | |
5a522142 SB |
685 | argv_array_pushl(&cp.args, "diff", "--submodule=diff", NULL); |
686 | ||
fd47ae6a JK |
687 | argv_array_pushf(&cp.args, "--line-prefix=%s", line_prefix); |
688 | if (DIFF_OPT_TST(o, REVERSE_DIFF)) { | |
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 | } | |
699 | argv_array_push(&cp.args, oid_to_hex(old)); | |
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)) | |
707 | argv_array_push(&cp.args, oid_to_hex(new)); | |
708 | ||
17b254cd | 709 | prepare_submodule_repo_env(&cp.env_array); |
fd47ae6a JK |
710 | if (run_command(&cp)) |
711 | fprintf(f, "(diff failed)\n"); | |
712 | ||
713 | done: | |
714 | strbuf_release(&submodule_dir); | |
715 | if (merge_bases) | |
716 | free_commit_list(merge_bases); | |
717 | if (left) | |
718 | clear_commit_marks(left, ~0); | |
719 | if (right) | |
720 | clear_commit_marks(right, ~0); | |
721 | } | |
722 | ||
be254a0e JL |
723 | void set_config_fetch_recurse_submodules(int value) |
724 | { | |
725 | config_fetch_recurse_submodules = value; | |
726 | } | |
727 | ||
84f8925e SB |
728 | int should_update_submodules(void) |
729 | { | |
730 | return config_update_recurse_submodules == RECURSE_SUBMODULES_ON; | |
731 | } | |
732 | ||
733 | const struct submodule *submodule_from_ce(const struct cache_entry *ce) | |
734 | { | |
735 | if (!S_ISGITLINK(ce->ce_mode)) | |
736 | return NULL; | |
737 | ||
738 | if (!should_update_submodules()) | |
739 | return NULL; | |
740 | ||
741 | return submodule_from_path(null_sha1, ce->name); | |
742 | } | |
743 | ||
aacc5c1a BW |
744 | static struct oid_array *submodule_commits(struct string_list *submodules, |
745 | const char *path) | |
746 | { | |
747 | struct string_list_item *item; | |
748 | ||
749 | item = string_list_insert(submodules, path); | |
750 | if (item->util) | |
751 | return (struct oid_array *) item->util; | |
752 | ||
753 | /* NEEDSWORK: should we have oid_array_init()? */ | |
754 | item->util = xcalloc(1, sizeof(struct oid_array)); | |
755 | return (struct oid_array *) item->util; | |
756 | } | |
757 | ||
758 | static void collect_changed_submodules_cb(struct diff_queue_struct *q, | |
759 | struct diff_options *options, | |
760 | void *data) | |
761 | { | |
762 | int i; | |
763 | struct string_list *changed = data; | |
764 | ||
765 | for (i = 0; i < q->nr; i++) { | |
766 | struct diff_filepair *p = q->queue[i]; | |
767 | struct oid_array *commits; | |
768 | if (!S_ISGITLINK(p->two->mode)) | |
769 | continue; | |
770 | ||
771 | if (S_ISGITLINK(p->one->mode)) { | |
772 | /* | |
773 | * NEEDSWORK: We should honor the name configured in | |
774 | * the .gitmodules file of the commit we are examining | |
775 | * here to be able to correctly follow submodules | |
776 | * being moved around. | |
777 | */ | |
778 | commits = submodule_commits(changed, p->two->path); | |
779 | oid_array_append(commits, &p->two->oid); | |
780 | } else { | |
781 | /* Submodule is new or was moved here */ | |
782 | /* | |
783 | * NEEDSWORK: When the .git directories of submodules | |
784 | * live inside the superprojects .git directory some | |
785 | * day we should fetch new submodules directly into | |
786 | * that location too when config or options request | |
787 | * that so they can be checked out from there. | |
788 | */ | |
789 | continue; | |
790 | } | |
791 | } | |
792 | } | |
793 | ||
794 | /* | |
795 | * Collect the paths of submodules in 'changed' which have changed based on | |
796 | * the revisions as specified in 'argv'. Each entry in 'changed' will also | |
797 | * have a corresponding 'struct oid_array' (in the 'util' field) which lists | |
798 | * what the submodule pointers were updated to during the change. | |
799 | */ | |
800 | static void collect_changed_submodules(struct string_list *changed, | |
801 | struct argv_array *argv) | |
802 | { | |
803 | struct rev_info rev; | |
804 | const struct commit *commit; | |
805 | ||
806 | init_revisions(&rev, NULL); | |
807 | setup_revisions(argv->argc, argv->argv, &rev, NULL); | |
808 | if (prepare_revision_walk(&rev)) | |
809 | die("revision walk setup failed"); | |
810 | ||
811 | while ((commit = get_revision(&rev))) { | |
812 | struct rev_info diff_rev; | |
813 | ||
814 | init_revisions(&diff_rev, NULL); | |
815 | diff_rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK; | |
816 | diff_rev.diffopt.format_callback = collect_changed_submodules_cb; | |
817 | diff_rev.diffopt.format_callback_data = changed; | |
818 | diff_tree_combined_merge(commit, 1, &diff_rev); | |
819 | } | |
820 | ||
821 | reset_revision_walk(); | |
822 | } | |
823 | ||
824 | static void free_submodules_oids(struct string_list *submodules) | |
825 | { | |
826 | struct string_list_item *item; | |
827 | for_each_string_list_item(item, submodules) | |
828 | oid_array_clear((struct oid_array *) item->util); | |
829 | string_list_clear(submodules, 1); | |
830 | } | |
831 | ||
7290ef58 MH |
832 | static int has_remote(const char *refname, const struct object_id *oid, |
833 | int flags, void *cb_data) | |
d2b17b32 FG |
834 | { |
835 | return 1; | |
836 | } | |
837 | ||
1b7ba794 | 838 | static int append_oid_to_argv(const struct object_id *oid, void *data) |
d2b17b32 | 839 | { |
9cfa1c26 | 840 | struct argv_array *argv = data; |
1b7ba794 | 841 | argv_array_push(argv, oid_to_hex(oid)); |
9cfa1c26 HV |
842 | return 0; |
843 | } | |
844 | ||
1b7ba794 | 845 | static int check_has_commit(const struct object_id *oid, void *data) |
d2b17b32 | 846 | { |
5b6607d2 HV |
847 | int *has_commit = data; |
848 | ||
bc83266a | 849 | if (!lookup_commit_reference(oid)) |
5b6607d2 HV |
850 | *has_commit = 0; |
851 | ||
852 | return 0; | |
853 | } | |
854 | ||
910650d2 | 855 | static int submodule_has_commits(const char *path, struct oid_array *commits) |
5b6607d2 HV |
856 | { |
857 | int has_commit = 1; | |
858 | ||
7c8d2b00 | 859 | /* |
64127575 | 860 | * Perform a cheap, but incorrect check for the existence of 'commits'. |
7c8d2b00 | 861 | * This is done by adding the submodule's object store to the in-core |
64127575 | 862 | * object store, and then querying for each commit's existence. If we |
7c8d2b00 BW |
863 | * do not have the commit object anywhere, there is no chance we have |
864 | * it in the object store of the correct submodule and have it | |
865 | * reachable from a ref, so we can fail early without spawning rev-list | |
866 | * which is expensive. | |
867 | */ | |
5b6607d2 HV |
868 | if (add_submodule_odb(path)) |
869 | return 0; | |
870 | ||
910650d2 | 871 | oid_array_for_each_unique(commits, check_has_commit, &has_commit); |
7c8d2b00 BW |
872 | |
873 | if (has_commit) { | |
874 | /* | |
875 | * Even if the submodule is checked out and the commit is | |
876 | * present, make sure it exists in the submodule's object store | |
877 | * and that it is reachable from a ref. | |
878 | */ | |
879 | struct child_process cp = CHILD_PROCESS_INIT; | |
880 | struct strbuf out = STRBUF_INIT; | |
881 | ||
882 | argv_array_pushl(&cp.args, "rev-list", "-n", "1", NULL); | |
883 | oid_array_for_each_unique(commits, append_oid_to_argv, &cp.args); | |
884 | argv_array_pushl(&cp.args, "--not", "--all", NULL); | |
885 | ||
886 | prepare_submodule_repo_env(&cp.env_array); | |
887 | cp.git_cmd = 1; | |
888 | cp.no_stdin = 1; | |
889 | cp.dir = path; | |
890 | ||
891 | if (capture_command(&cp, &out, GIT_MAX_HEXSZ + 1) || out.len) | |
892 | has_commit = 0; | |
893 | ||
894 | strbuf_release(&out); | |
895 | } | |
896 | ||
5b6607d2 HV |
897 | return has_commit; |
898 | } | |
899 | ||
910650d2 | 900 | static int submodule_needs_pushing(const char *path, struct oid_array *commits) |
5b6607d2 HV |
901 | { |
902 | if (!submodule_has_commits(path, commits)) | |
250ab24a HV |
903 | /* |
904 | * NOTE: We do consider it safe to return "no" here. The | |
905 | * correct answer would be "We do not know" instead of | |
906 | * "No push needed", but it is quite hard to change | |
907 | * the submodule pointer without having the submodule | |
908 | * around. If a user did however change the submodules | |
909 | * without having the submodule around, this indicates | |
910 | * an expert who knows what they are doing or a | |
911 | * maintainer integrating work from other people. In | |
912 | * both cases it should be safe to skip this check. | |
913 | */ | |
d2b17b32 FG |
914 | return 0; |
915 | ||
916 | if (for_each_remote_ref_submodule(path, has_remote, NULL) > 0) { | |
d3180279 | 917 | struct child_process cp = CHILD_PROCESS_INIT; |
d2b17b32 FG |
918 | struct strbuf buf = STRBUF_INIT; |
919 | int needs_pushing = 0; | |
920 | ||
5b6607d2 | 921 | argv_array_push(&cp.args, "rev-list"); |
910650d2 | 922 | oid_array_for_each_unique(commits, append_oid_to_argv, &cp.args); |
5b6607d2 HV |
923 | argv_array_pushl(&cp.args, "--not", "--remotes", "-n", "1" , NULL); |
924 | ||
c12e8656 | 925 | prepare_submodule_repo_env(&cp.env_array); |
d2b17b32 FG |
926 | cp.git_cmd = 1; |
927 | cp.no_stdin = 1; | |
928 | cp.out = -1; | |
929 | cp.dir = path; | |
930 | if (start_command(&cp)) | |
5b6607d2 HV |
931 | die("Could not run 'git rev-list <commits> --not --remotes -n 1' command in submodule %s", |
932 | path); | |
d2b17b32 FG |
933 | if (strbuf_read(&buf, cp.out, 41)) |
934 | needs_pushing = 1; | |
935 | finish_command(&cp); | |
936 | close(cp.out); | |
937 | strbuf_release(&buf); | |
938 | return needs_pushing; | |
939 | } | |
940 | ||
941 | return 0; | |
942 | } | |
943 | ||
910650d2 | 944 | int find_unpushed_submodules(struct oid_array *commits, |
a762e51e | 945 | const char *remotes_name, struct string_list *needs_pushing) |
d2b17b32 | 946 | { |
14739447 HV |
947 | struct string_list submodules = STRING_LIST_INIT_DUP; |
948 | struct string_list_item *submodule; | |
9cfa1c26 | 949 | struct argv_array argv = ARGV_ARRAY_INIT; |
a762e51e | 950 | |
9cfa1c26 HV |
951 | /* argv.argv[0] will be ignored by setup_revisions */ |
952 | argv_array_push(&argv, "find_unpushed_submodules"); | |
910650d2 | 953 | oid_array_for_each_unique(commits, append_oid_to_argv, &argv); |
9cfa1c26 HV |
954 | argv_array_push(&argv, "--not"); |
955 | argv_array_pushf(&argv, "--remotes=%s", remotes_name); | |
956 | ||
aacc5c1a | 957 | collect_changed_submodules(&submodules, &argv); |
d2b17b32 | 958 | |
14739447 | 959 | for_each_string_list_item(submodule, &submodules) { |
aacc5c1a BW |
960 | struct oid_array *commits = submodule->util; |
961 | const char *path = submodule->string; | |
5b6607d2 | 962 | |
aacc5c1a BW |
963 | if (submodule_needs_pushing(path, commits)) |
964 | string_list_insert(needs_pushing, path); | |
14739447 | 965 | } |
610b2337 BW |
966 | |
967 | free_submodules_oids(&submodules); | |
aacc5c1a | 968 | argv_array_clear(&argv); |
d2b17b32 | 969 | |
a762e51e | 970 | return needs_pushing->nr; |
d2b17b32 FG |
971 | } |
972 | ||
2a90556d | 973 | static int push_submodule(const char *path, |
06bf4ad1 BW |
974 | const struct remote *remote, |
975 | const char **refspec, int refspec_nr, | |
2a90556d BW |
976 | const struct string_list *push_options, |
977 | int dry_run) | |
eb21c732 HV |
978 | { |
979 | if (add_submodule_odb(path)) | |
980 | return 1; | |
981 | ||
982 | if (for_each_remote_ref_submodule(path, has_remote, NULL) > 0) { | |
d3180279 | 983 | struct child_process cp = CHILD_PROCESS_INIT; |
0301c821 BW |
984 | argv_array_push(&cp.args, "push"); |
985 | if (dry_run) | |
986 | argv_array_push(&cp.args, "--dry-run"); | |
eb21c732 | 987 | |
2a90556d BW |
988 | if (push_options && push_options->nr) { |
989 | const struct string_list_item *item; | |
990 | for_each_string_list_item(item, push_options) | |
991 | argv_array_pushf(&cp.args, "--push-option=%s", | |
992 | item->string); | |
993 | } | |
06bf4ad1 BW |
994 | |
995 | if (remote->origin != REMOTE_UNCONFIGURED) { | |
996 | int i; | |
997 | argv_array_push(&cp.args, remote->name); | |
998 | for (i = 0; i < refspec_nr; i++) | |
999 | argv_array_push(&cp.args, refspec[i]); | |
1000 | } | |
1001 | ||
c12e8656 | 1002 | prepare_submodule_repo_env(&cp.env_array); |
eb21c732 HV |
1003 | cp.git_cmd = 1; |
1004 | cp.no_stdin = 1; | |
1005 | cp.dir = path; | |
1006 | if (run_command(&cp)) | |
1007 | return 0; | |
1008 | close(cp.out); | |
1009 | } | |
1010 | ||
1011 | return 1; | |
1012 | } | |
1013 | ||
06bf4ad1 BW |
1014 | /* |
1015 | * Perform a check in the submodule to see if the remote and refspec work. | |
1016 | * Die if the submodule can't be pushed. | |
1017 | */ | |
1018 | static void submodule_push_check(const char *path, const struct remote *remote, | |
1019 | const char **refspec, int refspec_nr) | |
1020 | { | |
1021 | struct child_process cp = CHILD_PROCESS_INIT; | |
1022 | int i; | |
1023 | ||
1024 | argv_array_push(&cp.args, "submodule--helper"); | |
1025 | argv_array_push(&cp.args, "push-check"); | |
1026 | argv_array_push(&cp.args, remote->name); | |
1027 | ||
1028 | for (i = 0; i < refspec_nr; i++) | |
1029 | argv_array_push(&cp.args, refspec[i]); | |
1030 | ||
1031 | prepare_submodule_repo_env(&cp.env_array); | |
1032 | cp.git_cmd = 1; | |
1033 | cp.no_stdin = 1; | |
1034 | cp.no_stdout = 1; | |
1035 | cp.dir = path; | |
1036 | ||
1037 | /* | |
1038 | * Simply indicate if 'submodule--helper push-check' failed. | |
1039 | * More detailed error information will be provided by the | |
1040 | * child process. | |
1041 | */ | |
1042 | if (run_command(&cp)) | |
1043 | die("process for submodule '%s' failed", path); | |
1044 | } | |
1045 | ||
910650d2 | 1046 | int push_unpushed_submodules(struct oid_array *commits, |
06bf4ad1 BW |
1047 | const struct remote *remote, |
1048 | const char **refspec, int refspec_nr, | |
2a90556d | 1049 | const struct string_list *push_options, |
0301c821 | 1050 | int dry_run) |
eb21c732 HV |
1051 | { |
1052 | int i, ret = 1; | |
f93d7c6f | 1053 | struct string_list needs_pushing = STRING_LIST_INIT_DUP; |
eb21c732 | 1054 | |
06bf4ad1 | 1055 | if (!find_unpushed_submodules(commits, remote->name, &needs_pushing)) |
eb21c732 HV |
1056 | return 1; |
1057 | ||
06bf4ad1 BW |
1058 | /* |
1059 | * Verify that the remote and refspec can be propagated to all | |
1060 | * submodules. This check can be skipped if the remote and refspec | |
1061 | * won't be propagated due to the remote being unconfigured (e.g. a URL | |
1062 | * instead of a remote name). | |
1063 | */ | |
1064 | if (remote->origin != REMOTE_UNCONFIGURED) | |
1065 | for (i = 0; i < needs_pushing.nr; i++) | |
1066 | submodule_push_check(needs_pushing.items[i].string, | |
1067 | remote, refspec, refspec_nr); | |
1068 | ||
1069 | /* Actually push the submodules */ | |
eb21c732 HV |
1070 | for (i = 0; i < needs_pushing.nr; i++) { |
1071 | const char *path = needs_pushing.items[i].string; | |
1072 | fprintf(stderr, "Pushing submodule '%s'\n", path); | |
06bf4ad1 BW |
1073 | if (!push_submodule(path, remote, refspec, refspec_nr, |
1074 | push_options, dry_run)) { | |
eb21c732 HV |
1075 | fprintf(stderr, "Unable to push submodule '%s'\n", path); |
1076 | ret = 0; | |
1077 | } | |
1078 | } | |
1079 | ||
1080 | string_list_clear(&needs_pushing, 0); | |
1081 | ||
1082 | return ret; | |
1083 | } | |
1084 | ||
419fd786 BW |
1085 | static int append_oid_to_array(const char *ref, const struct object_id *oid, |
1086 | int flags, void *data) | |
6859de45 | 1087 | { |
419fd786 BW |
1088 | struct oid_array *array = data; |
1089 | oid_array_append(array, oid); | |
6859de45 JK |
1090 | return 0; |
1091 | } | |
1092 | ||
2eb80bcd | 1093 | void check_for_new_submodule_commits(struct object_id *oid) |
6859de45 JK |
1094 | { |
1095 | if (!initialized_fetch_ref_tips) { | |
419fd786 | 1096 | for_each_ref(append_oid_to_array, &ref_tips_before_fetch); |
6859de45 JK |
1097 | initialized_fetch_ref_tips = 1; |
1098 | } | |
1099 | ||
910650d2 | 1100 | oid_array_append(&ref_tips_after_fetch, oid); |
6859de45 JK |
1101 | } |
1102 | ||
6859de45 | 1103 | static void calculate_changed_submodule_paths(void) |
88a21979 | 1104 | { |
c1189cae | 1105 | struct argv_array argv = ARGV_ARRAY_INIT; |
aacc5c1a BW |
1106 | struct string_list changed_submodules = STRING_LIST_INIT_DUP; |
1107 | const struct string_list_item *item; | |
88a21979 | 1108 | |
18322bad | 1109 | /* No need to check if there are no submodules configured */ |
851e18c3 | 1110 | if (!submodule_from_path(NULL, NULL)) |
18322bad JL |
1111 | return; |
1112 | ||
c1189cae | 1113 | argv_array_push(&argv, "--"); /* argv[0] program name */ |
910650d2 | 1114 | oid_array_for_each_unique(&ref_tips_after_fetch, |
d1a8460c | 1115 | append_oid_to_argv, &argv); |
c1189cae | 1116 | argv_array_push(&argv, "--not"); |
910650d2 | 1117 | oid_array_for_each_unique(&ref_tips_before_fetch, |
d1a8460c | 1118 | append_oid_to_argv, &argv); |
88a21979 JL |
1119 | |
1120 | /* | |
1121 | * Collect all submodules (whether checked out or not) for which new | |
1122 | * commits have been recorded upstream in "changed_submodule_paths". | |
1123 | */ | |
aacc5c1a BW |
1124 | collect_changed_submodules(&changed_submodules, &argv); |
1125 | ||
1126 | for_each_string_list_item(item, &changed_submodules) { | |
1127 | struct oid_array *commits = item->util; | |
1128 | const char *path = item->string; | |
1129 | ||
1130 | if (!submodule_has_commits(path, commits)) | |
1131 | string_list_append(&changed_submodule_paths, path); | |
88a21979 | 1132 | } |
6859de45 | 1133 | |
aacc5c1a | 1134 | free_submodules_oids(&changed_submodules); |
c1189cae | 1135 | argv_array_clear(&argv); |
910650d2 | 1136 | oid_array_clear(&ref_tips_before_fetch); |
1137 | oid_array_clear(&ref_tips_after_fetch); | |
6859de45 | 1138 | initialized_fetch_ref_tips = 0; |
88a21979 JL |
1139 | } |
1140 | ||
fe85ee6e SB |
1141 | struct submodule_parallel_fetch { |
1142 | int count; | |
1143 | struct argv_array args; | |
1144 | const char *work_tree; | |
1145 | const char *prefix; | |
1146 | int command_line_option; | |
1147 | int quiet; | |
1148 | int result; | |
1149 | }; | |
1150 | #define SPF_INIT {0, ARGV_ARRAY_INIT, NULL, NULL, 0, 0, 0} | |
1151 | ||
1152 | static int get_next_submodule(struct child_process *cp, | |
1153 | struct strbuf *err, void *data, void **task_cb) | |
7dce19d3 | 1154 | { |
fe85ee6e SB |
1155 | int ret = 0; |
1156 | struct submodule_parallel_fetch *spf = data; | |
6859de45 | 1157 | |
fe85ee6e | 1158 | for (; spf->count < active_nr; spf->count++) { |
7dce19d3 JL |
1159 | struct strbuf submodule_path = STRBUF_INIT; |
1160 | struct strbuf submodule_git_dir = STRBUF_INIT; | |
1161 | struct strbuf submodule_prefix = STRBUF_INIT; | |
fe85ee6e | 1162 | const struct cache_entry *ce = active_cache[spf->count]; |
851e18c3 HV |
1163 | const char *git_dir, *default_argv; |
1164 | const struct submodule *submodule; | |
7dce19d3 JL |
1165 | |
1166 | if (!S_ISGITLINK(ce->ce_mode)) | |
1167 | continue; | |
1168 | ||
851e18c3 HV |
1169 | submodule = submodule_from_path(null_sha1, ce->name); |
1170 | if (!submodule) | |
1171 | submodule = submodule_from_name(null_sha1, ce->name); | |
7dce19d3 | 1172 | |
88a21979 | 1173 | default_argv = "yes"; |
fe85ee6e | 1174 | if (spf->command_line_option == RECURSE_SUBMODULES_DEFAULT) { |
851e18c3 HV |
1175 | if (submodule && |
1176 | submodule->fetch_recurse != | |
1177 | RECURSE_SUBMODULES_NONE) { | |
1178 | if (submodule->fetch_recurse == | |
1179 | RECURSE_SUBMODULES_OFF) | |
c1a3c364 | 1180 | continue; |
851e18c3 HV |
1181 | if (submodule->fetch_recurse == |
1182 | RECURSE_SUBMODULES_ON_DEMAND) { | |
bf42b384 JL |
1183 | if (!unsorted_string_list_lookup(&changed_submodule_paths, ce->name)) |
1184 | continue; | |
1185 | default_argv = "on-demand"; | |
1186 | } | |
c1a3c364 | 1187 | } else { |
d4e98b58 JL |
1188 | if ((config_fetch_recurse_submodules == RECURSE_SUBMODULES_OFF) || |
1189 | gitmodules_is_unmerged) | |
c1a3c364 | 1190 | continue; |
88a21979 JL |
1191 | if (config_fetch_recurse_submodules == RECURSE_SUBMODULES_ON_DEMAND) { |
1192 | if (!unsorted_string_list_lookup(&changed_submodule_paths, ce->name)) | |
1193 | continue; | |
1194 | default_argv = "on-demand"; | |
1195 | } | |
c1a3c364 | 1196 | } |
fe85ee6e | 1197 | } else if (spf->command_line_option == RECURSE_SUBMODULES_ON_DEMAND) { |
8f0700dd JL |
1198 | if (!unsorted_string_list_lookup(&changed_submodule_paths, ce->name)) |
1199 | continue; | |
1200 | default_argv = "on-demand"; | |
be254a0e JL |
1201 | } |
1202 | ||
fe85ee6e | 1203 | strbuf_addf(&submodule_path, "%s/%s", spf->work_tree, ce->name); |
7dce19d3 | 1204 | strbuf_addf(&submodule_git_dir, "%s/.git", submodule_path.buf); |
fe85ee6e | 1205 | strbuf_addf(&submodule_prefix, "%s%s/", spf->prefix, ce->name); |
13d6ec91 | 1206 | git_dir = read_gitfile(submodule_git_dir.buf); |
7dce19d3 JL |
1207 | if (!git_dir) |
1208 | git_dir = submodule_git_dir.buf; | |
1209 | if (is_directory(git_dir)) { | |
fe85ee6e SB |
1210 | child_process_init(cp); |
1211 | cp->dir = strbuf_detach(&submodule_path, NULL); | |
c12e8656 | 1212 | prepare_submodule_repo_env(&cp->env_array); |
fe85ee6e SB |
1213 | cp->git_cmd = 1; |
1214 | if (!spf->quiet) | |
1215 | strbuf_addf(err, "Fetching submodule %s%s\n", | |
1216 | spf->prefix, ce->name); | |
1217 | argv_array_init(&cp->args); | |
1218 | argv_array_pushv(&cp->args, spf->args.argv); | |
1219 | argv_array_push(&cp->args, default_argv); | |
1220 | argv_array_push(&cp->args, "--submodule-prefix"); | |
1221 | argv_array_push(&cp->args, submodule_prefix.buf); | |
1222 | ret = 1; | |
7dce19d3 JL |
1223 | } |
1224 | strbuf_release(&submodule_path); | |
1225 | strbuf_release(&submodule_git_dir); | |
1226 | strbuf_release(&submodule_prefix); | |
fe85ee6e SB |
1227 | if (ret) { |
1228 | spf->count++; | |
1229 | return 1; | |
1230 | } | |
7dce19d3 | 1231 | } |
fe85ee6e SB |
1232 | return 0; |
1233 | } | |
1234 | ||
2a73b3da | 1235 | static int fetch_start_failure(struct strbuf *err, |
fe85ee6e SB |
1236 | void *cb, void *task_cb) |
1237 | { | |
1238 | struct submodule_parallel_fetch *spf = cb; | |
1239 | ||
1240 | spf->result = 1; | |
1241 | ||
1242 | return 0; | |
1243 | } | |
1244 | ||
2a73b3da SB |
1245 | static int fetch_finish(int retvalue, struct strbuf *err, |
1246 | void *cb, void *task_cb) | |
fe85ee6e SB |
1247 | { |
1248 | struct submodule_parallel_fetch *spf = cb; | |
1249 | ||
1250 | if (retvalue) | |
1251 | spf->result = 1; | |
1252 | ||
1253 | return 0; | |
1254 | } | |
1255 | ||
1256 | int fetch_populated_submodules(const struct argv_array *options, | |
1257 | const char *prefix, int command_line_option, | |
62104ba1 | 1258 | int quiet, int max_parallel_jobs) |
fe85ee6e SB |
1259 | { |
1260 | int i; | |
fe85ee6e SB |
1261 | struct submodule_parallel_fetch spf = SPF_INIT; |
1262 | ||
1263 | spf.work_tree = get_git_work_tree(); | |
1264 | spf.command_line_option = command_line_option; | |
1265 | spf.quiet = quiet; | |
1266 | spf.prefix = prefix; | |
1267 | ||
1268 | if (!spf.work_tree) | |
1269 | goto out; | |
1270 | ||
1271 | if (read_cache() < 0) | |
1272 | die("index file corrupt"); | |
1273 | ||
1274 | argv_array_push(&spf.args, "fetch"); | |
1275 | for (i = 0; i < options->argc; i++) | |
1276 | argv_array_push(&spf.args, options->argv[i]); | |
1277 | argv_array_push(&spf.args, "--recurse-submodules-default"); | |
1278 | /* default value, "--submodule-prefix" and its value are added later */ | |
1279 | ||
a028a193 SB |
1280 | if (max_parallel_jobs < 0) |
1281 | max_parallel_jobs = parallel_jobs; | |
1282 | ||
fe85ee6e SB |
1283 | calculate_changed_submodule_paths(); |
1284 | run_processes_parallel(max_parallel_jobs, | |
1285 | get_next_submodule, | |
1286 | fetch_start_failure, | |
1287 | fetch_finish, | |
1288 | &spf); | |
1289 | ||
1290 | argv_array_clear(&spf.args); | |
88a21979 JL |
1291 | out: |
1292 | string_list_clear(&changed_submodule_paths, 1); | |
fe85ee6e | 1293 | return spf.result; |
7dce19d3 JL |
1294 | } |
1295 | ||
3bfc4504 | 1296 | unsigned is_submodule_modified(const char *path, int ignore_untracked) |
ee6fc514 | 1297 | { |
d3180279 | 1298 | struct child_process cp = CHILD_PROCESS_INIT; |
ee6fc514 | 1299 | struct strbuf buf = STRBUF_INIT; |
af6865a7 | 1300 | FILE *fp; |
c7e1a736 | 1301 | unsigned dirty_submodule = 0; |
eee49b6c | 1302 | const char *git_dir; |
af6865a7 | 1303 | int ignore_cp_exit_code = 0; |
ee6fc514 | 1304 | |
eee49b6c | 1305 | strbuf_addf(&buf, "%s/.git", path); |
13d6ec91 | 1306 | git_dir = read_gitfile(buf.buf); |
eee49b6c JL |
1307 | if (!git_dir) |
1308 | git_dir = buf.buf; | |
5c896f7c SB |
1309 | if (!is_git_directory(git_dir)) { |
1310 | if (is_directory(git_dir)) | |
1311 | die(_("'%s' not recognized as a git repository"), git_dir); | |
ee6fc514 JL |
1312 | strbuf_release(&buf); |
1313 | /* The submodule is not checked out, so it is not modified */ | |
1314 | return 0; | |
ee6fc514 JL |
1315 | } |
1316 | strbuf_reset(&buf); | |
1317 | ||
fcecf0b9 | 1318 | argv_array_pushl(&cp.args, "status", "--porcelain=2", NULL); |
3bfc4504 | 1319 | if (ignore_untracked) |
d0d7fed1 | 1320 | argv_array_push(&cp.args, "-uno"); |
3bfc4504 | 1321 | |
c12e8656 | 1322 | prepare_submodule_repo_env(&cp.env_array); |
ee6fc514 JL |
1323 | cp.git_cmd = 1; |
1324 | cp.no_stdin = 1; | |
1325 | cp.out = -1; | |
eee49b6c | 1326 | cp.dir = path; |
ee6fc514 | 1327 | if (start_command(&cp)) |
fcecf0b9 | 1328 | die("Could not run 'git status --porcelain=2' in submodule %s", path); |
ee6fc514 | 1329 | |
af6865a7 SB |
1330 | fp = xfdopen(cp.out, "r"); |
1331 | while (strbuf_getwholeline(&buf, fp, '\n') != EOF) { | |
fcecf0b9 SB |
1332 | /* regular untracked files */ |
1333 | if (buf.buf[0] == '?') | |
c7e1a736 | 1334 | dirty_submodule |= DIRTY_SUBMODULE_UNTRACKED; |
40069d6e SB |
1335 | |
1336 | if (buf.buf[0] == 'u' || | |
1337 | buf.buf[0] == '1' || | |
1338 | buf.buf[0] == '2') { | |
1339 | /* T = line type, XY = status, SSSS = submodule state */ | |
1340 | if (buf.len < strlen("T XY SSSS")) | |
1341 | die("BUG: invalid status --porcelain=2 line %s", | |
1342 | buf.buf); | |
1343 | ||
1344 | if (buf.buf[5] == 'S' && buf.buf[8] == 'U') | |
1345 | /* nested untracked file */ | |
1346 | dirty_submodule |= DIRTY_SUBMODULE_UNTRACKED; | |
1347 | ||
1348 | if (buf.buf[0] == 'u' || | |
1349 | buf.buf[0] == '2' || | |
1350 | memcmp(buf.buf + 5, "S..U", 4)) | |
1351 | /* other change */ | |
1352 | dirty_submodule |= DIRTY_SUBMODULE_MODIFIED; | |
c7e1a736 | 1353 | } |
64f9a946 SB |
1354 | |
1355 | if ((dirty_submodule & DIRTY_SUBMODULE_MODIFIED) && | |
1356 | ((dirty_submodule & DIRTY_SUBMODULE_UNTRACKED) || | |
af6865a7 SB |
1357 | ignore_untracked)) { |
1358 | /* | |
1359 | * We're not interested in any further information from | |
1360 | * the child any more, neither output nor its exit code. | |
1361 | */ | |
1362 | ignore_cp_exit_code = 1; | |
c7e1a736 | 1363 | break; |
af6865a7 | 1364 | } |
c7e1a736 | 1365 | } |
af6865a7 | 1366 | fclose(fp); |
ee6fc514 | 1367 | |
af6865a7 | 1368 | if (finish_command(&cp) && !ignore_cp_exit_code) |
fcecf0b9 | 1369 | die("'git status --porcelain=2' failed in submodule %s", path); |
ee6fc514 | 1370 | |
ee6fc514 | 1371 | strbuf_release(&buf); |
c7e1a736 | 1372 | return dirty_submodule; |
ee6fc514 | 1373 | } |
68d03e4a | 1374 | |
293ab15e JL |
1375 | int submodule_uses_gitfile(const char *path) |
1376 | { | |
d3180279 | 1377 | struct child_process cp = CHILD_PROCESS_INIT; |
293ab15e JL |
1378 | const char *argv[] = { |
1379 | "submodule", | |
1380 | "foreach", | |
1381 | "--quiet", | |
1382 | "--recursive", | |
1383 | "test -f .git", | |
1384 | NULL, | |
1385 | }; | |
1386 | struct strbuf buf = STRBUF_INIT; | |
1387 | const char *git_dir; | |
1388 | ||
1389 | strbuf_addf(&buf, "%s/.git", path); | |
1390 | git_dir = read_gitfile(buf.buf); | |
1391 | if (!git_dir) { | |
1392 | strbuf_release(&buf); | |
1393 | return 0; | |
1394 | } | |
1395 | strbuf_release(&buf); | |
1396 | ||
1397 | /* Now test that all nested submodules use a gitfile too */ | |
293ab15e | 1398 | cp.argv = argv; |
c12e8656 | 1399 | prepare_submodule_repo_env(&cp.env_array); |
293ab15e JL |
1400 | cp.git_cmd = 1; |
1401 | cp.no_stdin = 1; | |
1402 | cp.no_stderr = 1; | |
1403 | cp.no_stdout = 1; | |
1404 | cp.dir = path; | |
1405 | if (run_command(&cp)) | |
1406 | return 0; | |
1407 | ||
1408 | return 1; | |
1409 | } | |
1410 | ||
83b76966 SB |
1411 | /* |
1412 | * Check if it is a bad idea to remove a submodule, i.e. if we'd lose data | |
1413 | * when doing so. | |
1414 | * | |
1415 | * Return 1 if we'd lose data, return 0 if the removal is fine, | |
1416 | * and negative values for errors. | |
1417 | */ | |
1418 | int bad_to_remove_submodule(const char *path, unsigned flags) | |
293ab15e | 1419 | { |
293ab15e | 1420 | ssize_t len; |
d3180279 | 1421 | struct child_process cp = CHILD_PROCESS_INIT; |
293ab15e | 1422 | struct strbuf buf = STRBUF_INIT; |
83b76966 | 1423 | int ret = 0; |
293ab15e | 1424 | |
dbe44faa | 1425 | if (!file_exists(path) || is_empty_dir(path)) |
83b76966 | 1426 | return 0; |
293ab15e JL |
1427 | |
1428 | if (!submodule_uses_gitfile(path)) | |
83b76966 | 1429 | return 1; |
293ab15e | 1430 | |
83b76966 | 1431 | argv_array_pushl(&cp.args, "status", "--porcelain", |
5a1c824f | 1432 | "--ignore-submodules=none", NULL); |
83b76966 SB |
1433 | |
1434 | if (flags & SUBMODULE_REMOVAL_IGNORE_UNTRACKED) | |
1435 | argv_array_push(&cp.args, "-uno"); | |
1436 | else | |
1437 | argv_array_push(&cp.args, "-uall"); | |
1438 | ||
1439 | if (!(flags & SUBMODULE_REMOVAL_IGNORE_IGNORED_UNTRACKED)) | |
1440 | argv_array_push(&cp.args, "--ignored"); | |
293ab15e | 1441 | |
c12e8656 | 1442 | prepare_submodule_repo_env(&cp.env_array); |
293ab15e JL |
1443 | cp.git_cmd = 1; |
1444 | cp.no_stdin = 1; | |
1445 | cp.out = -1; | |
1446 | cp.dir = path; | |
83b76966 SB |
1447 | if (start_command(&cp)) { |
1448 | if (flags & SUBMODULE_REMOVAL_DIE_ON_ERROR) | |
35ad44cb | 1449 | die(_("could not start 'git status' in submodule '%s'"), |
83b76966 SB |
1450 | path); |
1451 | ret = -1; | |
1452 | goto out; | |
1453 | } | |
293ab15e JL |
1454 | |
1455 | len = strbuf_read(&buf, cp.out, 1024); | |
1456 | if (len > 2) | |
83b76966 | 1457 | ret = 1; |
293ab15e JL |
1458 | close(cp.out); |
1459 | ||
83b76966 SB |
1460 | if (finish_command(&cp)) { |
1461 | if (flags & SUBMODULE_REMOVAL_DIE_ON_ERROR) | |
35ad44cb | 1462 | die(_("could not run 'git status' in submodule '%s'"), |
83b76966 SB |
1463 | path); |
1464 | ret = -1; | |
1465 | } | |
1466 | out: | |
293ab15e | 1467 | strbuf_release(&buf); |
83b76966 | 1468 | return ret; |
293ab15e JL |
1469 | } |
1470 | ||
202275b9 SB |
1471 | static const char *get_super_prefix_or_empty(void) |
1472 | { | |
1473 | const char *s = get_super_prefix(); | |
1474 | if (!s) | |
1475 | s = ""; | |
1476 | return s; | |
1477 | } | |
1478 | ||
6e3c1595 SB |
1479 | static int submodule_has_dirty_index(const struct submodule *sub) |
1480 | { | |
1481 | struct child_process cp = CHILD_PROCESS_INIT; | |
1482 | ||
da27bc81 | 1483 | prepare_submodule_repo_env(&cp.env_array); |
6e3c1595 SB |
1484 | |
1485 | cp.git_cmd = 1; | |
1486 | argv_array_pushl(&cp.args, "diff-index", "--quiet", | |
1487 | "--cached", "HEAD", NULL); | |
1488 | cp.no_stdin = 1; | |
1489 | cp.no_stdout = 1; | |
1490 | cp.dir = sub->path; | |
1491 | if (start_command(&cp)) | |
1492 | die("could not recurse into submodule '%s'", sub->path); | |
1493 | ||
1494 | return finish_command(&cp); | |
1495 | } | |
1496 | ||
1497 | static void submodule_reset_index(const char *path) | |
1498 | { | |
1499 | struct child_process cp = CHILD_PROCESS_INIT; | |
da27bc81 | 1500 | prepare_submodule_repo_env(&cp.env_array); |
6e3c1595 SB |
1501 | |
1502 | cp.git_cmd = 1; | |
1503 | cp.no_stdin = 1; | |
1504 | cp.dir = path; | |
1505 | ||
1506 | argv_array_pushf(&cp.args, "--super-prefix=%s%s/", | |
1507 | get_super_prefix_or_empty(), path); | |
1508 | argv_array_pushl(&cp.args, "read-tree", "-u", "--reset", NULL); | |
1509 | ||
1510 | argv_array_push(&cp.args, EMPTY_TREE_SHA1_HEX); | |
1511 | ||
1512 | if (run_command(&cp)) | |
1513 | die("could not reset submodule index"); | |
1514 | } | |
1515 | ||
1516 | /** | |
1517 | * Moves a submodule at a given path from a given head to another new head. | |
1518 | * For edge cases (a submodule coming into existence or removing a submodule) | |
1519 | * pass NULL for old or new respectively. | |
1520 | */ | |
1521 | int submodule_move_head(const char *path, | |
1522 | const char *old, | |
1523 | const char *new, | |
1524 | unsigned flags) | |
1525 | { | |
1526 | int ret = 0; | |
1527 | struct child_process cp = CHILD_PROCESS_INIT; | |
1528 | const struct submodule *sub; | |
f2d48994 | 1529 | int *error_code_ptr, error_code; |
6e3c1595 | 1530 | |
627d9342 | 1531 | if (!is_submodule_active(the_repository, path)) |
823bab09 SB |
1532 | return 0; |
1533 | ||
f2d48994 SB |
1534 | if (flags & SUBMODULE_MOVE_HEAD_FORCE) |
1535 | /* | |
1536 | * Pass non NULL pointer to is_submodule_populated_gently | |
1537 | * to prevent die()-ing. We'll use connect_work_tree_and_git_dir | |
1538 | * to fixup the submodule in the force case later. | |
1539 | */ | |
1540 | error_code_ptr = &error_code; | |
1541 | else | |
1542 | error_code_ptr = NULL; | |
1543 | ||
1544 | if (old && !is_submodule_populated_gently(path, error_code_ptr)) | |
1545 | return 0; | |
6e3c1595 SB |
1546 | |
1547 | sub = submodule_from_path(null_sha1, path); | |
1548 | ||
1549 | if (!sub) | |
1550 | die("BUG: could not get submodule information for '%s'", path); | |
1551 | ||
1552 | if (old && !(flags & SUBMODULE_MOVE_HEAD_FORCE)) { | |
1553 | /* Check if the submodule has a dirty index. */ | |
1554 | if (submodule_has_dirty_index(sub)) | |
1555 | return error(_("submodule '%s' has dirty index"), path); | |
1556 | } | |
1557 | ||
1558 | if (!(flags & SUBMODULE_MOVE_HEAD_DRY_RUN)) { | |
1559 | if (old) { | |
1560 | if (!submodule_uses_gitfile(path)) | |
1561 | absorb_git_dir_into_superproject("", path, | |
1562 | ABSORB_GITDIR_RECURSE_SUBMODULES); | |
1563 | } else { | |
f2d48994 | 1564 | char *gitdir = xstrfmt("%s/modules/%s", |
6e3c1595 | 1565 | get_git_common_dir(), sub->name); |
f2d48994 SB |
1566 | connect_work_tree_and_git_dir(path, gitdir); |
1567 | free(gitdir); | |
6e3c1595 SB |
1568 | |
1569 | /* make sure the index is clean as well */ | |
1570 | submodule_reset_index(path); | |
1571 | } | |
f2d48994 SB |
1572 | |
1573 | if (old && (flags & SUBMODULE_MOVE_HEAD_FORCE)) { | |
1574 | char *gitdir = xstrfmt("%s/modules/%s", | |
1575 | get_git_common_dir(), sub->name); | |
1576 | connect_work_tree_and_git_dir(path, gitdir); | |
1577 | free(gitdir); | |
1578 | } | |
6e3c1595 SB |
1579 | } |
1580 | ||
da27bc81 | 1581 | prepare_submodule_repo_env(&cp.env_array); |
6e3c1595 SB |
1582 | |
1583 | cp.git_cmd = 1; | |
1584 | cp.no_stdin = 1; | |
1585 | cp.dir = path; | |
1586 | ||
1587 | argv_array_pushf(&cp.args, "--super-prefix=%s%s/", | |
1588 | get_super_prefix_or_empty(), path); | |
218c8837 | 1589 | argv_array_pushl(&cp.args, "read-tree", "--recurse-submodules", NULL); |
6e3c1595 SB |
1590 | |
1591 | if (flags & SUBMODULE_MOVE_HEAD_DRY_RUN) | |
1592 | argv_array_push(&cp.args, "-n"); | |
1593 | else | |
1594 | argv_array_push(&cp.args, "-u"); | |
1595 | ||
1596 | if (flags & SUBMODULE_MOVE_HEAD_FORCE) | |
1597 | argv_array_push(&cp.args, "--reset"); | |
1598 | else | |
1599 | argv_array_push(&cp.args, "-m"); | |
1600 | ||
1601 | argv_array_push(&cp.args, old ? old : EMPTY_TREE_SHA1_HEX); | |
1602 | argv_array_push(&cp.args, new ? new : EMPTY_TREE_SHA1_HEX); | |
1603 | ||
1604 | if (run_command(&cp)) { | |
1605 | ret = -1; | |
1606 | goto out; | |
1607 | } | |
1608 | ||
1609 | if (!(flags & SUBMODULE_MOVE_HEAD_DRY_RUN)) { | |
1610 | if (new) { | |
a17062cf | 1611 | child_process_init(&cp); |
6e3c1595 | 1612 | /* also set the HEAD accordingly */ |
a17062cf SB |
1613 | cp.git_cmd = 1; |
1614 | cp.no_stdin = 1; | |
1615 | cp.dir = path; | |
6e3c1595 | 1616 | |
218c8837 | 1617 | prepare_submodule_repo_env(&cp.env_array); |
a17062cf | 1618 | argv_array_pushl(&cp.args, "update-ref", "HEAD", new, NULL); |
6e3c1595 | 1619 | |
a17062cf | 1620 | if (run_command(&cp)) { |
6e3c1595 SB |
1621 | ret = -1; |
1622 | goto out; | |
1623 | } | |
1624 | } else { | |
1625 | struct strbuf sb = STRBUF_INIT; | |
1626 | ||
1627 | strbuf_addf(&sb, "%s/.git", path); | |
1628 | unlink_or_warn(sb.buf); | |
1629 | strbuf_release(&sb); | |
1630 | ||
1631 | if (is_empty_dir(path)) | |
1632 | rmdir_or_warn(path); | |
1633 | } | |
1634 | } | |
1635 | out: | |
1636 | return ret; | |
1637 | } | |
1638 | ||
68d03e4a HV |
1639 | static int find_first_merges(struct object_array *result, const char *path, |
1640 | struct commit *a, struct commit *b) | |
1641 | { | |
1642 | int i, j; | |
3826902d | 1643 | struct object_array merges = OBJECT_ARRAY_INIT; |
68d03e4a HV |
1644 | struct commit *commit; |
1645 | int contains_another; | |
1646 | ||
1647 | char merged_revision[42]; | |
1648 | const char *rev_args[] = { "rev-list", "--merges", "--ancestry-path", | |
1649 | "--all", merged_revision, NULL }; | |
1650 | struct rev_info revs; | |
1651 | struct setup_revision_opt rev_opts; | |
1652 | ||
68d03e4a HV |
1653 | memset(result, 0, sizeof(struct object_array)); |
1654 | memset(&rev_opts, 0, sizeof(rev_opts)); | |
1655 | ||
1656 | /* get all revisions that merge commit a */ | |
1a168e5c | 1657 | xsnprintf(merged_revision, sizeof(merged_revision), "^%s", |
f2fd0760 | 1658 | oid_to_hex(&a->object.oid)); |
68d03e4a HV |
1659 | init_revisions(&revs, NULL); |
1660 | rev_opts.submodule = path; | |
94c0cc8f | 1661 | setup_revisions(ARRAY_SIZE(rev_args)-1, rev_args, &revs, &rev_opts); |
68d03e4a HV |
1662 | |
1663 | /* save all revisions from the above list that contain b */ | |
1664 | if (prepare_revision_walk(&revs)) | |
1665 | die("revision walk setup failed"); | |
1666 | while ((commit = get_revision(&revs)) != NULL) { | |
1667 | struct object *o = &(commit->object); | |
a20efee9 | 1668 | if (in_merge_bases(b, commit)) |
68d03e4a HV |
1669 | add_object_array(o, NULL, &merges); |
1670 | } | |
bcc0a3ea | 1671 | reset_revision_walk(); |
68d03e4a HV |
1672 | |
1673 | /* Now we've got all merges that contain a and b. Prune all | |
1674 | * merges that contain another found merge and save them in | |
1675 | * result. | |
1676 | */ | |
1677 | for (i = 0; i < merges.nr; i++) { | |
1678 | struct commit *m1 = (struct commit *) merges.objects[i].item; | |
1679 | ||
1680 | contains_another = 0; | |
1681 | for (j = 0; j < merges.nr; j++) { | |
1682 | struct commit *m2 = (struct commit *) merges.objects[j].item; | |
a20efee9 | 1683 | if (i != j && in_merge_bases(m2, m1)) { |
68d03e4a HV |
1684 | contains_another = 1; |
1685 | break; | |
1686 | } | |
1687 | } | |
1688 | ||
1689 | if (!contains_another) | |
5de0c015 | 1690 | add_object_array(merges.objects[i].item, NULL, result); |
68d03e4a HV |
1691 | } |
1692 | ||
1693 | free(merges.objects); | |
1694 | return result->nr; | |
1695 | } | |
1696 | ||
1697 | static void print_commit(struct commit *commit) | |
1698 | { | |
1699 | struct strbuf sb = STRBUF_INIT; | |
1700 | struct pretty_print_context ctx = {0}; | |
a5481a6c | 1701 | ctx.date_mode.type = DATE_NORMAL; |
68d03e4a HV |
1702 | format_commit_message(commit, " %h: %m %s", &sb, &ctx); |
1703 | fprintf(stderr, "%s\n", sb.buf); | |
1704 | strbuf_release(&sb); | |
1705 | } | |
1706 | ||
1707 | #define MERGE_WARNING(path, msg) \ | |
1708 | warning("Failed to merge submodule %s (%s)", path, msg); | |
1709 | ||
71f35d5c | 1710 | int merge_submodule(struct object_id *result, const char *path, |
1711 | const struct object_id *base, const struct object_id *a, | |
1712 | const struct object_id *b, int search) | |
68d03e4a HV |
1713 | { |
1714 | struct commit *commit_base, *commit_a, *commit_b; | |
1715 | int parent_count; | |
1716 | struct object_array merges; | |
1717 | ||
1718 | int i; | |
1719 | ||
1720 | /* store a in result in case we fail */ | |
71f35d5c | 1721 | oidcpy(result, a); |
68d03e4a HV |
1722 | |
1723 | /* we can not handle deletion conflicts */ | |
71f35d5c | 1724 | if (is_null_oid(base)) |
68d03e4a | 1725 | return 0; |
71f35d5c | 1726 | if (is_null_oid(a)) |
68d03e4a | 1727 | return 0; |
71f35d5c | 1728 | if (is_null_oid(b)) |
68d03e4a HV |
1729 | return 0; |
1730 | ||
1731 | if (add_submodule_odb(path)) { | |
1732 | MERGE_WARNING(path, "not checked out"); | |
1733 | return 0; | |
1734 | } | |
1735 | ||
1736 | if (!(commit_base = lookup_commit_reference(base)) || | |
1737 | !(commit_a = lookup_commit_reference(a)) || | |
1738 | !(commit_b = lookup_commit_reference(b))) { | |
1739 | MERGE_WARNING(path, "commits not present"); | |
1740 | return 0; | |
1741 | } | |
1742 | ||
1743 | /* check whether both changes are forward */ | |
a20efee9 JH |
1744 | if (!in_merge_bases(commit_base, commit_a) || |
1745 | !in_merge_bases(commit_base, commit_b)) { | |
68d03e4a HV |
1746 | MERGE_WARNING(path, "commits don't follow merge-base"); |
1747 | return 0; | |
1748 | } | |
1749 | ||
1750 | /* Case #1: a is contained in b or vice versa */ | |
a20efee9 | 1751 | if (in_merge_bases(commit_a, commit_b)) { |
71f35d5c | 1752 | oidcpy(result, b); |
68d03e4a HV |
1753 | return 1; |
1754 | } | |
a20efee9 | 1755 | if (in_merge_bases(commit_b, commit_a)) { |
71f35d5c | 1756 | oidcpy(result, a); |
68d03e4a HV |
1757 | return 1; |
1758 | } | |
1759 | ||
1760 | /* | |
1761 | * Case #2: There are one or more merges that contain a and b in | |
1762 | * the submodule. If there is only one, then present it as a | |
1763 | * suggestion to the user, but leave it marked unmerged so the | |
1764 | * user needs to confirm the resolution. | |
1765 | */ | |
1766 | ||
80988783 BK |
1767 | /* Skip the search if makes no sense to the calling context. */ |
1768 | if (!search) | |
1769 | return 0; | |
1770 | ||
68d03e4a HV |
1771 | /* find commit which merges them */ |
1772 | parent_count = find_first_merges(&merges, path, commit_a, commit_b); | |
1773 | switch (parent_count) { | |
1774 | case 0: | |
1775 | MERGE_WARNING(path, "merge following commits not found"); | |
1776 | break; | |
1777 | ||
1778 | case 1: | |
1779 | MERGE_WARNING(path, "not fast-forward"); | |
1780 | fprintf(stderr, "Found a possible merge resolution " | |
1781 | "for the submodule:\n"); | |
1782 | print_commit((struct commit *) merges.objects[0].item); | |
1783 | fprintf(stderr, | |
1784 | "If this is correct simply add it to the index " | |
1785 | "for example\n" | |
1786 | "by using:\n\n" | |
1787 | " git update-index --cacheinfo 160000 %s \"%s\"\n\n" | |
1788 | "which will accept this suggestion.\n", | |
f2fd0760 | 1789 | oid_to_hex(&merges.objects[0].item->oid), path); |
68d03e4a HV |
1790 | break; |
1791 | ||
1792 | default: | |
1793 | MERGE_WARNING(path, "multiple merges found"); | |
1794 | for (i = 0; i < merges.nr; i++) | |
1795 | print_commit((struct commit *) merges.objects[i].item); | |
1796 | } | |
1797 | ||
1798 | free(merges.objects); | |
1799 | return 0; | |
1800 | } | |
a88c915d | 1801 | |
a028a193 SB |
1802 | int parallel_submodules(void) |
1803 | { | |
1804 | return parallel_jobs; | |
1805 | } | |
e059388f | 1806 | |
f6f85861 SB |
1807 | /* |
1808 | * Embeds a single submodules git directory into the superprojects git dir, | |
1809 | * non recursively. | |
1810 | */ | |
1811 | static void relocate_single_git_dir_into_superproject(const char *prefix, | |
1812 | const char *path) | |
1813 | { | |
1814 | char *old_git_dir = NULL, *real_old_git_dir = NULL, *real_new_git_dir = NULL; | |
1815 | const char *new_git_dir; | |
1816 | const struct submodule *sub; | |
1817 | ||
1818 | if (submodule_uses_worktrees(path)) | |
1819 | die(_("relocate_gitdir for submodule '%s' with " | |
1820 | "more than one worktree not supported"), path); | |
1821 | ||
1822 | old_git_dir = xstrfmt("%s/.git", path); | |
1823 | if (read_gitfile(old_git_dir)) | |
1824 | /* If it is an actual gitfile, it doesn't need migration. */ | |
1825 | return; | |
1826 | ||
ce83eadd | 1827 | real_old_git_dir = real_pathdup(old_git_dir, 1); |
f6f85861 SB |
1828 | |
1829 | sub = submodule_from_path(null_sha1, path); | |
1830 | if (!sub) | |
1831 | die(_("could not lookup name for submodule '%s'"), path); | |
1832 | ||
1833 | new_git_dir = git_path("modules/%s", sub->name); | |
1834 | if (safe_create_leading_directories_const(new_git_dir) < 0) | |
1835 | die(_("could not create directory '%s'"), new_git_dir); | |
ce83eadd | 1836 | real_new_git_dir = real_pathdup(new_git_dir, 1); |
f6f85861 | 1837 | |
f6f85861 | 1838 | fprintf(stderr, _("Migrating git directory of '%s%s' from\n'%s' to\n'%s'\n"), |
202275b9 | 1839 | get_super_prefix_or_empty(), path, |
f6f85861 SB |
1840 | real_old_git_dir, real_new_git_dir); |
1841 | ||
1842 | relocate_gitdir(path, real_old_git_dir, real_new_git_dir); | |
1843 | ||
1844 | free(old_git_dir); | |
1845 | free(real_old_git_dir); | |
1846 | free(real_new_git_dir); | |
1847 | } | |
1848 | ||
1849 | /* | |
1850 | * Migrate the git directory of the submodule given by path from | |
1851 | * having its git directory within the working tree to the git dir nested | |
1852 | * in its superprojects git dir under modules/. | |
1853 | */ | |
1854 | void absorb_git_dir_into_superproject(const char *prefix, | |
1855 | const char *path, | |
1856 | unsigned flags) | |
1857 | { | |
ec9629b3 SB |
1858 | int err_code; |
1859 | const char *sub_git_dir; | |
f6f85861 | 1860 | struct strbuf gitdir = STRBUF_INIT; |
f6f85861 | 1861 | strbuf_addf(&gitdir, "%s/.git", path); |
ec9629b3 | 1862 | sub_git_dir = resolve_gitdir_gently(gitdir.buf, &err_code); |
f6f85861 SB |
1863 | |
1864 | /* Not populated? */ | |
ec9629b3 | 1865 | if (!sub_git_dir) { |
ec9629b3 SB |
1866 | const struct submodule *sub; |
1867 | ||
1868 | if (err_code == READ_GITFILE_ERR_STAT_FAILED) { | |
1869 | /* unpopulated as expected */ | |
1870 | strbuf_release(&gitdir); | |
1871 | return; | |
1872 | } | |
1873 | ||
1874 | if (err_code != READ_GITFILE_ERR_NOT_A_REPO) | |
1875 | /* We don't know what broke here. */ | |
1876 | read_gitfile_error_die(err_code, path, NULL); | |
1877 | ||
1878 | /* | |
1879 | * Maybe populated, but no git directory was found? | |
1880 | * This can happen if the superproject is a submodule | |
1881 | * itself and was just absorbed. The absorption of the | |
1882 | * superproject did not rewrite the git file links yet, | |
1883 | * fix it now. | |
1884 | */ | |
1885 | sub = submodule_from_path(null_sha1, path); | |
1886 | if (!sub) | |
1887 | die(_("could not lookup name for submodule '%s'"), path); | |
365444a6 SB |
1888 | connect_work_tree_and_git_dir(path, |
1889 | git_path("modules/%s", sub->name)); | |
ec9629b3 SB |
1890 | } else { |
1891 | /* Is it already absorbed into the superprojects git dir? */ | |
ce83eadd JS |
1892 | char *real_sub_git_dir = real_pathdup(sub_git_dir, 1); |
1893 | char *real_common_git_dir = real_pathdup(get_git_common_dir(), 1); | |
f6f85861 | 1894 | |
ec9629b3 SB |
1895 | if (!starts_with(real_sub_git_dir, real_common_git_dir)) |
1896 | relocate_single_git_dir_into_superproject(prefix, path); | |
1897 | ||
1898 | free(real_sub_git_dir); | |
1899 | free(real_common_git_dir); | |
1900 | } | |
1901 | strbuf_release(&gitdir); | |
f6f85861 SB |
1902 | |
1903 | if (flags & ABSORB_GITDIR_RECURSE_SUBMODULES) { | |
1904 | struct child_process cp = CHILD_PROCESS_INIT; | |
1905 | struct strbuf sb = STRBUF_INIT; | |
1906 | ||
1907 | if (flags & ~ABSORB_GITDIR_RECURSE_SUBMODULES) | |
1908 | die("BUG: we don't know how to pass the flags down?"); | |
1909 | ||
202275b9 | 1910 | strbuf_addstr(&sb, get_super_prefix_or_empty()); |
f6f85861 SB |
1911 | strbuf_addstr(&sb, path); |
1912 | strbuf_addch(&sb, '/'); | |
1913 | ||
1914 | cp.dir = path; | |
1915 | cp.git_cmd = 1; | |
1916 | cp.no_stdin = 1; | |
1917 | argv_array_pushl(&cp.args, "--super-prefix", sb.buf, | |
1918 | "submodule--helper", | |
1919 | "absorb-git-dirs", NULL); | |
1920 | prepare_submodule_repo_env(&cp.env_array); | |
1921 | if (run_command(&cp)) | |
1922 | die(_("could not recurse into submodule '%s'"), path); | |
1923 | ||
1924 | strbuf_release(&sb); | |
1925 | } | |
f6f85861 | 1926 | } |
bf0231c6 SB |
1927 | |
1928 | const char *get_superproject_working_tree(void) | |
1929 | { | |
1930 | struct child_process cp = CHILD_PROCESS_INIT; | |
1931 | struct strbuf sb = STRBUF_INIT; | |
1932 | const char *one_up = real_path_if_valid("../"); | |
1933 | const char *cwd = xgetcwd(); | |
1934 | const char *ret = NULL; | |
1935 | const char *subpath; | |
1936 | int code; | |
1937 | ssize_t len; | |
1938 | ||
1939 | if (!is_inside_work_tree()) | |
1940 | /* | |
1941 | * FIXME: | |
1942 | * We might have a superproject, but it is harder | |
1943 | * to determine. | |
1944 | */ | |
1945 | return NULL; | |
1946 | ||
1947 | if (!one_up) | |
1948 | return NULL; | |
1949 | ||
1950 | subpath = relative_path(cwd, one_up, &sb); | |
1951 | ||
1952 | prepare_submodule_repo_env(&cp.env_array); | |
1953 | argv_array_pop(&cp.env_array); | |
1954 | ||
1955 | argv_array_pushl(&cp.args, "--literal-pathspecs", "-C", "..", | |
1956 | "ls-files", "-z", "--stage", "--full-name", "--", | |
1957 | subpath, NULL); | |
1958 | strbuf_reset(&sb); | |
1959 | ||
1960 | cp.no_stdin = 1; | |
1961 | cp.no_stderr = 1; | |
1962 | cp.out = -1; | |
1963 | cp.git_cmd = 1; | |
1964 | ||
1965 | if (start_command(&cp)) | |
1966 | die(_("could not start ls-files in ..")); | |
1967 | ||
1968 | len = strbuf_read(&sb, cp.out, PATH_MAX); | |
1969 | close(cp.out); | |
1970 | ||
1971 | if (starts_with(sb.buf, "160000")) { | |
1972 | int super_sub_len; | |
1973 | int cwd_len = strlen(cwd); | |
1974 | char *super_sub, *super_wt; | |
1975 | ||
1976 | /* | |
1977 | * There is a superproject having this repo as a submodule. | |
1978 | * The format is <mode> SP <hash> SP <stage> TAB <full name> \0, | |
1979 | * We're only interested in the name after the tab. | |
1980 | */ | |
1981 | super_sub = strchr(sb.buf, '\t') + 1; | |
1982 | super_sub_len = sb.buf + sb.len - super_sub - 1; | |
1983 | ||
1984 | if (super_sub_len > cwd_len || | |
1985 | strcmp(&cwd[cwd_len - super_sub_len], super_sub)) | |
1986 | die (_("BUG: returned path string doesn't match cwd?")); | |
1987 | ||
1988 | super_wt = xstrdup(cwd); | |
1989 | super_wt[cwd_len - super_sub_len] = '\0'; | |
1990 | ||
1991 | ret = real_path(super_wt); | |
1992 | free(super_wt); | |
1993 | } | |
1994 | strbuf_release(&sb); | |
1995 | ||
1996 | code = finish_command(&cp); | |
1997 | ||
1998 | if (code == 128) | |
1999 | /* '../' is not a git repository */ | |
2000 | return NULL; | |
2001 | if (code == 0 && len == 0) | |
2002 | /* There is an unrelated git repository at '../' */ | |
2003 | return NULL; | |
2004 | if (code) | |
2005 | die(_("ls-tree returned unexpected return code %d"), code); | |
2006 | ||
2007 | return ret; | |
2008 | } | |
bbbb7de7 NTND |
2009 | |
2010 | int submodule_to_gitdir(struct strbuf *buf, const char *submodule) | |
2011 | { | |
2012 | const struct submodule *sub; | |
2013 | const char *git_dir; | |
2014 | int ret = 0; | |
2015 | ||
2016 | strbuf_reset(buf); | |
2017 | strbuf_addstr(buf, submodule); | |
2018 | strbuf_complete(buf, '/'); | |
2019 | strbuf_addstr(buf, ".git"); | |
2020 | ||
2021 | git_dir = read_gitfile(buf->buf); | |
2022 | if (git_dir) { | |
2023 | strbuf_reset(buf); | |
2024 | strbuf_addstr(buf, git_dir); | |
2025 | } | |
2026 | if (!is_git_directory(buf->buf)) { | |
2027 | gitmodules_config(); | |
2028 | sub = submodule_from_path(null_sha1, submodule); | |
2029 | if (!sub) { | |
2030 | ret = -1; | |
2031 | goto cleanup; | |
2032 | } | |
2033 | strbuf_reset(buf); | |
2034 | strbuf_git_path(buf, "%s/%s", "modules", sub->name); | |
2035 | } | |
2036 | ||
2037 | cleanup: | |
2038 | return ret; | |
2039 | } |