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Commit | Line | Data |
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5010cb5f JH |
1 | /* |
2 | * Builtin "git grep" | |
3 | * | |
4 | * Copyright (c) 2006 Junio C Hamano | |
5 | */ | |
f8adbec9 | 6 | #define USE_THE_INDEX_COMPATIBILITY_MACROS |
5010cb5f | 7 | #include "cache.h" |
627d9342 | 8 | #include "repository.h" |
b2141fc1 | 9 | #include "config.h" |
5010cb5f JH |
10 | #include "blob.h" |
11 | #include "tree.h" | |
12 | #include "commit.h" | |
13 | #include "tag.h" | |
1362671f | 14 | #include "tree-walk.h" |
5010cb5f | 15 | #include "builtin.h" |
3e230fa1 | 16 | #include "parse-options.h" |
678e484b JS |
17 | #include "string-list.h" |
18 | #include "run-command.h" | |
60ecac98 | 19 | #include "userdiff.h" |
83b5d2f5 | 20 | #include "grep.h" |
493b7a08 | 21 | #include "quote.h" |
59332d13 | 22 | #include "dir.h" |
64acde94 | 23 | #include "pathspec.h" |
0281e487 | 24 | #include "submodule.h" |
74ed4371 | 25 | #include "submodule-config.h" |
90c62155 | 26 | #include "object-store.h" |
6c307626 | 27 | #include "packfile.h" |
5b594f45 | 28 | |
3e230fa1 | 29 | static char const * const grep_usage[] = { |
9c9b4f2f | 30 | N_("git grep [<options>] [-e] <pattern> [<rev>...] [[--] <path>...]"), |
3e230fa1 RS |
31 | NULL |
32 | }; | |
33 | ||
0281e487 | 34 | static int recurse_submodules; |
0281e487 | 35 | |
89f09dd3 | 36 | static int num_threads; |
5b594f45 | 37 | |
89f09dd3 | 38 | static pthread_t *threads; |
5b594f45 | 39 | |
5b594f45 FK |
40 | /* We use one producer thread and THREADS consumer |
41 | * threads. The producer adds struct work_items to 'todo' and the | |
42 | * consumers pick work items from the same array. | |
43 | */ | |
9cba13ca | 44 | struct work_item { |
8f24a632 | 45 | struct grep_source source; |
5b594f45 FK |
46 | char done; |
47 | struct strbuf out; | |
48 | }; | |
49 | ||
50 | /* In the range [todo_done, todo_start) in 'todo' we have work_items | |
51 | * that have been or are processed by a consumer thread. We haven't | |
52 | * written the result for these to stdout yet. | |
53 | * | |
54 | * The work_items in [todo_start, todo_end) are waiting to be picked | |
55 | * up by a consumer thread. | |
56 | * | |
57 | * The ranges are modulo TODO_SIZE. | |
58 | */ | |
59 | #define TODO_SIZE 128 | |
60 | static struct work_item todo[TODO_SIZE]; | |
61 | static int todo_start; | |
62 | static int todo_end; | |
63 | static int todo_done; | |
64 | ||
65 | /* Has all work items been added? */ | |
66 | static int all_work_added; | |
67 | ||
68 | /* This lock protects all the variables above. */ | |
69 | static pthread_mutex_t grep_mutex; | |
70 | ||
1487a12b JH |
71 | static inline void grep_lock(void) |
72 | { | |
8df4c295 | 73 | pthread_mutex_lock(&grep_mutex); |
1487a12b JH |
74 | } |
75 | ||
76 | static inline void grep_unlock(void) | |
77 | { | |
8df4c295 | 78 | pthread_mutex_unlock(&grep_mutex); |
1487a12b JH |
79 | } |
80 | ||
5b594f45 FK |
81 | /* Signalled when a new work_item is added to todo. */ |
82 | static pthread_cond_t cond_add; | |
83 | ||
84 | /* Signalled when the result from one work_item is written to | |
85 | * stdout. | |
86 | */ | |
87 | static pthread_cond_t cond_write; | |
88 | ||
89 | /* Signalled when we are finished with everything. */ | |
90 | static pthread_cond_t cond_result; | |
91 | ||
08303c36 | 92 | static int skip_first_line; |
431d6e7b | 93 | |
70a9fef2 | 94 | static void add_work(struct grep_opt *opt, struct grep_source *gs) |
5b594f45 | 95 | { |
70a9fef2 MT |
96 | if (opt->binary != GREP_BINARY_TEXT) |
97 | grep_source_load_driver(gs, opt->repo->index); | |
98 | ||
5b594f45 FK |
99 | grep_lock(); |
100 | ||
101 | while ((todo_end+1) % ARRAY_SIZE(todo) == todo_done) { | |
102 | pthread_cond_wait(&cond_write, &grep_mutex); | |
103 | } | |
104 | ||
e2e05d61 | 105 | todo[todo_end].source = *gs; |
5b594f45 FK |
106 | todo[todo_end].done = 0; |
107 | strbuf_reset(&todo[todo_end].out); | |
108 | todo_end = (todo_end + 1) % ARRAY_SIZE(todo); | |
109 | ||
110 | pthread_cond_signal(&cond_add); | |
111 | grep_unlock(); | |
112 | } | |
113 | ||
114 | static struct work_item *get_work(void) | |
115 | { | |
116 | struct work_item *ret; | |
117 | ||
118 | grep_lock(); | |
119 | while (todo_start == todo_end && !all_work_added) { | |
120 | pthread_cond_wait(&cond_add, &grep_mutex); | |
121 | } | |
122 | ||
123 | if (todo_start == todo_end && all_work_added) { | |
124 | ret = NULL; | |
125 | } else { | |
126 | ret = &todo[todo_start]; | |
127 | todo_start = (todo_start + 1) % ARRAY_SIZE(todo); | |
128 | } | |
129 | grep_unlock(); | |
130 | return ret; | |
131 | } | |
132 | ||
5b594f45 FK |
133 | static void work_done(struct work_item *w) |
134 | { | |
135 | int old_done; | |
136 | ||
137 | grep_lock(); | |
138 | w->done = 1; | |
139 | old_done = todo_done; | |
140 | for(; todo[todo_done].done && todo_done != todo_start; | |
141 | todo_done = (todo_done+1) % ARRAY_SIZE(todo)) { | |
142 | w = &todo[todo_done]; | |
431d6e7b | 143 | if (w->out.len) { |
08303c36 RS |
144 | const char *p = w->out.buf; |
145 | size_t len = w->out.len; | |
146 | ||
147 | /* Skip the leading hunk mark of the first file. */ | |
148 | if (skip_first_line) { | |
149 | while (len) { | |
150 | len--; | |
151 | if (*p++ == '\n') | |
152 | break; | |
153 | } | |
154 | skip_first_line = 0; | |
155 | } | |
156 | ||
157 | write_or_die(1, p, len); | |
431d6e7b | 158 | } |
8f24a632 | 159 | grep_source_clear(&w->source); |
5b594f45 FK |
160 | } |
161 | ||
162 | if (old_done != todo_done) | |
163 | pthread_cond_signal(&cond_write); | |
164 | ||
165 | if (all_work_added && todo_done == todo_end) | |
166 | pthread_cond_signal(&cond_result); | |
167 | ||
168 | grep_unlock(); | |
169 | } | |
170 | ||
171 | static void *run(void *arg) | |
172 | { | |
173 | int hit = 0; | |
174 | struct grep_opt *opt = arg; | |
175 | ||
176 | while (1) { | |
177 | struct work_item *w = get_work(); | |
178 | if (!w) | |
179 | break; | |
180 | ||
181 | opt->output_priv = w; | |
f9ee2fcd | 182 | hit |= grep_source(opt, &w->source); |
8f24a632 | 183 | grep_source_clear_data(&w->source); |
5b594f45 FK |
184 | work_done(w); |
185 | } | |
bfac23d9 DM |
186 | free_grep_patterns(arg); |
187 | free(arg); | |
5b594f45 FK |
188 | |
189 | return (void*) (intptr_t) hit; | |
190 | } | |
191 | ||
192 | static void strbuf_out(struct grep_opt *opt, const void *buf, size_t size) | |
193 | { | |
194 | struct work_item *w = opt->output_priv; | |
195 | strbuf_add(&w->out, buf, size); | |
196 | } | |
197 | ||
198 | static void start_threads(struct grep_opt *opt) | |
199 | { | |
200 | int i; | |
201 | ||
202 | pthread_mutex_init(&grep_mutex, NULL); | |
0579f91d | 203 | pthread_mutex_init(&grep_attr_mutex, NULL); |
5b594f45 FK |
204 | pthread_cond_init(&cond_add, NULL); |
205 | pthread_cond_init(&cond_write, NULL); | |
206 | pthread_cond_init(&cond_result, NULL); | |
78db6ea9 | 207 | grep_use_locks = 1; |
1d1729ca | 208 | enable_obj_read_lock(); |
5b594f45 FK |
209 | |
210 | for (i = 0; i < ARRAY_SIZE(todo); i++) { | |
211 | strbuf_init(&todo[i].out, 0); | |
212 | } | |
213 | ||
89f09dd3 VL |
214 | threads = xcalloc(num_threads, sizeof(*threads)); |
215 | for (i = 0; i < num_threads; i++) { | |
5b594f45 FK |
216 | int err; |
217 | struct grep_opt *o = grep_opt_dup(opt); | |
218 | o->output = strbuf_out; | |
6d423dd5 ÆAB |
219 | if (i) |
220 | o->debug = 0; | |
5b594f45 FK |
221 | compile_grep_patterns(o); |
222 | err = pthread_create(&threads[i], NULL, run, o); | |
223 | ||
224 | if (err) | |
2fc5f9f1 | 225 | die(_("grep: failed to create thread: %s"), |
5b594f45 FK |
226 | strerror(err)); |
227 | } | |
228 | } | |
229 | ||
230 | static int wait_all(void) | |
231 | { | |
232 | int hit = 0; | |
233 | int i; | |
234 | ||
4002e87c | 235 | if (!HAVE_THREADS) |
fd6263fb | 236 | BUG("Never call this function unless you have started threads"); |
4002e87c | 237 | |
5b594f45 FK |
238 | grep_lock(); |
239 | all_work_added = 1; | |
240 | ||
241 | /* Wait until all work is done. */ | |
242 | while (todo_done != todo_end) | |
243 | pthread_cond_wait(&cond_result, &grep_mutex); | |
244 | ||
245 | /* Wake up all the consumer threads so they can see that there | |
246 | * is no more work to do. | |
247 | */ | |
248 | pthread_cond_broadcast(&cond_add); | |
249 | grep_unlock(); | |
250 | ||
89f09dd3 | 251 | for (i = 0; i < num_threads; i++) { |
5b594f45 FK |
252 | void *h; |
253 | pthread_join(threads[i], &h); | |
254 | hit |= (int) (intptr_t) h; | |
255 | } | |
256 | ||
89f09dd3 VL |
257 | free(threads); |
258 | ||
5b594f45 | 259 | pthread_mutex_destroy(&grep_mutex); |
0579f91d | 260 | pthread_mutex_destroy(&grep_attr_mutex); |
5b594f45 FK |
261 | pthread_cond_destroy(&cond_add); |
262 | pthread_cond_destroy(&cond_write); | |
263 | pthread_cond_destroy(&cond_result); | |
78db6ea9 | 264 | grep_use_locks = 0; |
1d1729ca | 265 | disable_obj_read_lock(); |
5b594f45 FK |
266 | |
267 | return hit; | |
268 | } | |
5b594f45 | 269 | |
15fabd1b JH |
270 | static int grep_cmd_config(const char *var, const char *value, void *cb) |
271 | { | |
272 | int st = grep_config(var, value, cb); | |
33c643bb | 273 | if (git_color_default_config(var, value, cb) < 0) |
15fabd1b | 274 | st = -1; |
89f09dd3 VL |
275 | |
276 | if (!strcmp(var, "grep.threads")) { | |
277 | num_threads = git_config_int(var, value); | |
278 | if (num_threads < 0) | |
279 | die(_("invalid number of threads specified (%d) for %s"), | |
280 | num_threads, var); | |
fd6263fb | 281 | else if (!HAVE_THREADS && num_threads > 1) { |
d1edee4a ÆAB |
282 | /* |
283 | * TRANSLATORS: %s is the configuration | |
284 | * variable for tweaking threads, currently | |
285 | * grep.threads | |
286 | */ | |
287 | warning(_("no threads support, ignoring %s"), var); | |
fd6263fb | 288 | num_threads = 1; |
d1edee4a | 289 | } |
89f09dd3 VL |
290 | } |
291 | ||
9071c078 SB |
292 | if (!strcmp(var, "submodule.recurse")) |
293 | recurse_submodules = git_config_bool(var, value); | |
294 | ||
15fabd1b JH |
295 | return st; |
296 | } | |
297 | ||
45115d84 MT |
298 | static void grep_source_name(struct grep_opt *opt, const char *filename, |
299 | int tree_name_len, struct strbuf *out) | |
300 | { | |
301 | strbuf_reset(out); | |
302 | ||
303 | if (opt->null_following_name) { | |
304 | if (opt->relative && opt->prefix_length) { | |
305 | struct strbuf rel_buf = STRBUF_INIT; | |
306 | const char *rel_name = | |
307 | relative_path(filename + tree_name_len, | |
308 | opt->prefix, &rel_buf); | |
309 | ||
310 | if (tree_name_len) | |
311 | strbuf_add(out, filename, tree_name_len); | |
312 | ||
313 | strbuf_addstr(out, rel_name); | |
314 | strbuf_release(&rel_buf); | |
315 | } else { | |
316 | strbuf_addstr(out, filename); | |
317 | } | |
318 | return; | |
319 | } | |
320 | ||
321 | if (opt->relative && opt->prefix_length) | |
88910c99 | 322 | quote_path(filename + tree_name_len, opt->prefix, out, 0); |
45115d84 MT |
323 | else |
324 | quote_c_style(filename + tree_name_len, out, NULL, 0); | |
325 | ||
326 | if (tree_name_len) | |
327 | strbuf_insert(out, 0, filename, tree_name_len); | |
328 | } | |
329 | ||
1db11086 | 330 | static int grep_oid(struct grep_opt *opt, const struct object_id *oid, |
55c61688 NTND |
331 | const char *filename, int tree_name_len, |
332 | const char *path) | |
5b594f45 FK |
333 | { |
334 | struct strbuf pathbuf = STRBUF_INIT; | |
e2e05d61 | 335 | struct grep_source gs; |
5b594f45 | 336 | |
45115d84 | 337 | grep_source_name(opt, filename, tree_name_len, &pathbuf); |
e2e05d61 | 338 | grep_source_init(&gs, GREP_SOURCE_OID, pathbuf.buf, path, oid); |
38ef24dc | 339 | strbuf_release(&pathbuf); |
e2e05d61 | 340 | |
fd6263fb | 341 | if (num_threads > 1) { |
e2e05d61 RV |
342 | /* |
343 | * add_work() copies gs and thus assumes ownership of | |
344 | * its fields, so do not call grep_source_clear() | |
345 | */ | |
346 | add_work(opt, &gs); | |
5b594f45 | 347 | return 0; |
4002e87c | 348 | } else { |
5b594f45 | 349 | int hit; |
5010cb5f | 350 | |
8f24a632 | 351 | hit = grep_source(opt, &gs); |
dc49cd76 | 352 | |
8f24a632 JK |
353 | grep_source_clear(&gs); |
354 | return hit; | |
5010cb5f | 355 | } |
5b594f45 FK |
356 | } |
357 | ||
358 | static int grep_file(struct grep_opt *opt, const char *filename) | |
359 | { | |
360 | struct strbuf buf = STRBUF_INIT; | |
e2e05d61 | 361 | struct grep_source gs; |
5b594f45 | 362 | |
45115d84 | 363 | grep_source_name(opt, filename, 0, &buf); |
e2e05d61 | 364 | grep_source_init(&gs, GREP_SOURCE_FILE, buf.buf, filename, filename); |
38ef24dc | 365 | strbuf_release(&buf); |
e2e05d61 | 366 | |
fd6263fb | 367 | if (num_threads > 1) { |
e2e05d61 RV |
368 | /* |
369 | * add_work() copies gs and thus assumes ownership of | |
370 | * its fields, so do not call grep_source_clear() | |
371 | */ | |
372 | add_work(opt, &gs); | |
5b594f45 | 373 | return 0; |
4002e87c | 374 | } else { |
5b594f45 | 375 | int hit; |
5b594f45 | 376 | |
8f24a632 JK |
377 | hit = grep_source(opt, &gs); |
378 | ||
379 | grep_source_clear(&gs); | |
5b594f45 FK |
380 | return hit; |
381 | } | |
5010cb5f JH |
382 | } |
383 | ||
678e484b JS |
384 | static void append_path(struct grep_opt *opt, const void *data, size_t len) |
385 | { | |
386 | struct string_list *path_list = opt->output_priv; | |
387 | ||
388 | if (len == 1 && *(const char *)data == '\0') | |
389 | return; | |
0c72cead | 390 | string_list_append(path_list, xstrndup(data, len)); |
678e484b JS |
391 | } |
392 | ||
393 | static void run_pager(struct grep_opt *opt, const char *prefix) | |
394 | { | |
395 | struct string_list *path_list = opt->output_priv; | |
850d2fec | 396 | struct child_process child = CHILD_PROCESS_INIT; |
678e484b JS |
397 | int i, status; |
398 | ||
399 | for (i = 0; i < path_list->nr; i++) | |
22f9b7f3 | 400 | strvec_push(&child.args, path_list->items[i].string); |
850d2fec JK |
401 | child.dir = prefix; |
402 | child.use_shell = 1; | |
678e484b | 403 | |
850d2fec | 404 | status = run_command(&child); |
678e484b JS |
405 | if (status) |
406 | exit(status); | |
678e484b JS |
407 | } |
408 | ||
dba093dd | 409 | static int grep_cache(struct grep_opt *opt, |
f9ee2fcd BW |
410 | const struct pathspec *pathspec, int cached); |
411 | static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec, | |
412 | struct tree_desc *tree, struct strbuf *base, int tn_len, | |
dba093dd | 413 | int check_attr); |
0281e487 | 414 | |
dba093dd | 415 | static int grep_submodule(struct grep_opt *opt, |
f9ee2fcd BW |
416 | const struct pathspec *pathspec, |
417 | const struct object_id *oid, | |
6a289d45 | 418 | const char *filename, const char *path, int cached) |
0281e487 | 419 | { |
d5498e08 | 420 | struct repository subrepo; |
dba093dd | 421 | struct repository *superproject = opt->repo; |
faf123c7 | 422 | const struct submodule *sub; |
dba093dd | 423 | struct grep_opt subopt; |
f9ee2fcd | 424 | int hit; |
74ed4371 | 425 | |
faf123c7 | 426 | sub = submodule_from_path(superproject, &null_oid, path); |
76e9bdc4 | 427 | |
c441ea4e | 428 | if (!is_submodule_active(superproject, path)) |
f9ee2fcd | 429 | return 0; |
0281e487 | 430 | |
c441ea4e | 431 | if (repo_submodule_init(&subrepo, superproject, sub)) |
f9ee2fcd | 432 | return 0; |
be80a239 | 433 | |
c441ea4e MT |
434 | /* |
435 | * NEEDSWORK: repo_read_gitmodules() might call | |
436 | * add_to_alternates_memory() via config_from_gitmodules(). This | |
437 | * operation causes a race condition with concurrent object readings | |
438 | * performed by the worker threads. That's why we need obj_read_lock() | |
439 | * here. It should be removed once it's no longer necessary to add the | |
440 | * subrepo's odbs to the in-memory alternates list. | |
441 | */ | |
442 | obj_read_lock(); | |
d7992421 | 443 | repo_read_gitmodules(&subrepo, 0); |
0281e487 | 444 | |
74ed4371 | 445 | /* |
f9ee2fcd BW |
446 | * NEEDSWORK: This adds the submodule's object directory to the list of |
447 | * alternates for the single in-memory object store. This has some bad | |
448 | * consequences for memory (processed objects will never be freed) and | |
449 | * performance (this increases the number of pack files git has to pay | |
450 | * attention to, to the sum of the number of pack files in all the | |
451 | * repositories processed so far). This can be removed once the object | |
452 | * store is no longer global and instead is a member of the repository | |
453 | * object. | |
74ed4371 | 454 | */ |
5d3635db | 455 | add_to_alternates_memory(subrepo.objects->odb->path); |
1d1729ca | 456 | obj_read_unlock(); |
74ed4371 | 457 | |
dba093dd | 458 | memcpy(&subopt, opt, sizeof(subopt)); |
7589e636 | 459 | subopt.repo = &subrepo; |
dba093dd | 460 | |
f9ee2fcd BW |
461 | if (oid) { |
462 | struct object *object; | |
463 | struct tree_desc tree; | |
464 | void *data; | |
465 | unsigned long size; | |
466 | struct strbuf base = STRBUF_INIT; | |
74ed4371 | 467 | |
1d1729ca | 468 | obj_read_lock(); |
98c6871f | 469 | object = parse_object_or_die(oid, NULL); |
1d1729ca | 470 | obj_read_unlock(); |
d3b4705a NTND |
471 | data = read_object_with_reference(&subrepo, |
472 | &object->oid, tree_type, | |
f9ee2fcd | 473 | &size, NULL); |
f9ee2fcd BW |
474 | if (!data) |
475 | die(_("unable to read tree (%s)"), oid_to_hex(&object->oid)); | |
0281e487 | 476 | |
f9ee2fcd BW |
477 | strbuf_addstr(&base, filename); |
478 | strbuf_addch(&base, '/'); | |
0281e487 | 479 | |
f9ee2fcd | 480 | init_tree_desc(&tree, data, size); |
dba093dd NTND |
481 | hit = grep_tree(&subopt, pathspec, &tree, &base, base.len, |
482 | object->type == OBJ_COMMIT); | |
f9ee2fcd BW |
483 | strbuf_release(&base); |
484 | free(data); | |
485 | } else { | |
6a289d45 | 486 | hit = grep_cache(&subopt, pathspec, cached); |
e6fac7f3 | 487 | } |
0281e487 | 488 | |
d5498e08 | 489 | repo_clear(&subrepo); |
f9ee2fcd | 490 | return hit; |
0281e487 BW |
491 | } |
492 | ||
dba093dd | 493 | static int grep_cache(struct grep_opt *opt, |
f9ee2fcd | 494 | const struct pathspec *pathspec, int cached) |
5010cb5f | 495 | { |
dba093dd | 496 | struct repository *repo = opt->repo; |
5010cb5f JH |
497 | int hit = 0; |
498 | int nr; | |
0281e487 BW |
499 | struct strbuf name = STRBUF_INIT; |
500 | int name_base_len = 0; | |
f9ee2fcd BW |
501 | if (repo->submodule_prefix) { |
502 | name_base_len = strlen(repo->submodule_prefix); | |
503 | strbuf_addstr(&name, repo->submodule_prefix); | |
0281e487 BW |
504 | } |
505 | ||
b2aa84c7 | 506 | if (repo_read_index(repo) < 0) |
5507067d | 507 | die(_("index file corrupt")); |
5010cb5f | 508 | |
f9ee2fcd BW |
509 | for (nr = 0; nr < repo->index->cache_nr; nr++) { |
510 | const struct cache_entry *ce = repo->index->cache[nr]; | |
0281e487 BW |
511 | strbuf_setlen(&name, name_base_len); |
512 | strbuf_addstr(&name, ce->name); | |
513 | ||
514 | if (S_ISREG(ce->ce_mode) && | |
a4009b0b | 515 | match_pathspec(repo->index, pathspec, name.buf, name.len, 0, NULL, |
0281e487 BW |
516 | S_ISDIR(ce->ce_mode) || |
517 | S_ISGITLINK(ce->ce_mode))) { | |
518 | /* | |
519 | * If CE_VALID is on, we assume worktree file and its | |
520 | * cache entry are identical, even if worktree file has | |
521 | * been modified, so use cache version instead | |
522 | */ | |
523 | if (cached || (ce->ce_flags & CE_VALID) || | |
524 | ce_skip_worktree(ce)) { | |
525 | if (ce_stage(ce) || ce_intent_to_add(ce)) | |
526 | continue; | |
f9ee2fcd BW |
527 | hit |= grep_oid(opt, &ce->oid, name.buf, |
528 | 0, name.buf); | |
0281e487 | 529 | } else { |
f9ee2fcd | 530 | hit |= grep_file(opt, name.buf); |
0281e487 BW |
531 | } |
532 | } else if (recurse_submodules && S_ISGITLINK(ce->ce_mode) && | |
a4009b0b | 533 | submodule_path_match(repo->index, pathspec, name.buf, NULL)) { |
6a289d45 MT |
534 | hit |= grep_submodule(opt, pathspec, NULL, ce->name, |
535 | ce->name, cached); | |
0281e487 | 536 | } else { |
5010cb5f | 537 | continue; |
36f2587f | 538 | } |
0281e487 | 539 | |
36f2587f JH |
540 | if (ce_stage(ce)) { |
541 | do { | |
542 | nr++; | |
f9ee2fcd BW |
543 | } while (nr < repo->index->cache_nr && |
544 | !strcmp(ce->name, repo->index->cache[nr]->name)); | |
36f2587f JH |
545 | nr--; /* compensate for loop control */ |
546 | } | |
c8610a2e JH |
547 | if (hit && opt->status_only) |
548 | break; | |
5010cb5f | 549 | } |
0281e487 BW |
550 | |
551 | strbuf_release(&name); | |
5010cb5f JH |
552 | return hit; |
553 | } | |
554 | ||
f34bbc15 | 555 | static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec, |
55c61688 | 556 | struct tree_desc *tree, struct strbuf *base, int tn_len, |
dba093dd | 557 | int check_attr) |
5010cb5f | 558 | { |
dba093dd | 559 | struct repository *repo = opt->repo; |
d688cf07 NTND |
560 | int hit = 0; |
561 | enum interesting match = entry_not_interesting; | |
4c068a98 | 562 | struct name_entry entry; |
e5e062b6 | 563 | int old_baselen = base->len; |
74ed4371 BW |
564 | struct strbuf name = STRBUF_INIT; |
565 | int name_base_len = 0; | |
f9ee2fcd BW |
566 | if (repo->submodule_prefix) { |
567 | strbuf_addstr(&name, repo->submodule_prefix); | |
74ed4371 BW |
568 | name_base_len = name.len; |
569 | } | |
5010cb5f | 570 | |
4c068a98 | 571 | while (tree_entry(tree, &entry)) { |
0de16337 | 572 | int te_len = tree_entry_len(&entry); |
e5e062b6 | 573 | |
d688cf07 | 574 | if (match != all_entries_interesting) { |
74ed4371 | 575 | strbuf_addstr(&name, base->buf + tn_len); |
67022e02 NTND |
576 | match = tree_entry_interesting(repo->index, |
577 | &entry, &name, | |
74ed4371 BW |
578 | 0, pathspec); |
579 | strbuf_setlen(&name, name_base_len); | |
580 | ||
d688cf07 | 581 | if (match == all_entries_not_interesting) |
97d0b74a | 582 | break; |
d688cf07 | 583 | if (match == entry_not_interesting) |
1376e507 NTND |
584 | continue; |
585 | } | |
5010cb5f | 586 | |
1376e507 | 587 | strbuf_add(base, entry.path, te_len); |
e0eb889f | 588 | |
1376e507 | 589 | if (S_ISREG(entry.mode)) { |
ea82b2a0 | 590 | hit |= grep_oid(opt, &entry.oid, base->buf, tn_len, |
55c61688 | 591 | check_attr ? base->buf + tn_len : NULL); |
74ed4371 | 592 | } else if (S_ISDIR(entry.mode)) { |
21666f1a | 593 | enum object_type type; |
5010cb5f JH |
594 | struct tree_desc sub; |
595 | void *data; | |
6fda5e51 LT |
596 | unsigned long size; |
597 | ||
1d1729ca | 598 | data = read_object_file(&entry.oid, &type, &size); |
5010cb5f | 599 | if (!data) |
2fc5f9f1 | 600 | die(_("unable to read tree (%s)"), |
ea82b2a0 | 601 | oid_to_hex(&entry.oid)); |
1376e507 NTND |
602 | |
603 | strbuf_addch(base, '/'); | |
6fda5e51 | 604 | init_tree_desc(&sub, data, size); |
55c61688 | 605 | hit |= grep_tree(opt, pathspec, &sub, base, tn_len, |
dba093dd | 606 | check_attr); |
5010cb5f | 607 | free(data); |
74ed4371 | 608 | } else if (recurse_submodules && S_ISGITLINK(entry.mode)) { |
7589e636 | 609 | hit |= grep_submodule(opt, pathspec, &entry.oid, |
6a289d45 MT |
610 | base->buf, base->buf + tn_len, |
611 | 1); /* ignored */ | |
5010cb5f | 612 | } |
74ed4371 | 613 | |
e5e062b6 NTND |
614 | strbuf_setlen(base, old_baselen); |
615 | ||
c8610a2e JH |
616 | if (hit && opt->status_only) |
617 | break; | |
5010cb5f | 618 | } |
74ed4371 BW |
619 | |
620 | strbuf_release(&name); | |
5010cb5f JH |
621 | return hit; |
622 | } | |
623 | ||
f34bbc15 | 624 | static int grep_object(struct grep_opt *opt, const struct pathspec *pathspec, |
6856077a | 625 | struct object *obj, const char *name, const char *path) |
5010cb5f | 626 | { |
1974632c | 627 | if (obj->type == OBJ_BLOB) |
1db11086 | 628 | return grep_oid(opt, &obj->oid, name, 0, path); |
1974632c | 629 | if (obj->type == OBJ_COMMIT || obj->type == OBJ_TREE) { |
5010cb5f JH |
630 | struct tree_desc tree; |
631 | void *data; | |
6fda5e51 | 632 | unsigned long size; |
e5e062b6 NTND |
633 | struct strbuf base; |
634 | int hit, len; | |
635 | ||
d3b4705a NTND |
636 | data = read_object_with_reference(opt->repo, |
637 | &obj->oid, tree_type, | |
6fda5e51 | 638 | &size, NULL); |
5010cb5f | 639 | if (!data) |
f2fd0760 | 640 | die(_("unable to read tree (%s)"), oid_to_hex(&obj->oid)); |
e5e062b6 NTND |
641 | |
642 | len = name ? strlen(name) : 0; | |
643 | strbuf_init(&base, PATH_MAX + len + 1); | |
644 | if (len) { | |
645 | strbuf_add(&base, name, len); | |
646 | strbuf_addch(&base, ':'); | |
647 | } | |
6fda5e51 | 648 | init_tree_desc(&tree, data, size); |
55c61688 | 649 | hit = grep_tree(opt, pathspec, &tree, &base, base.len, |
dba093dd | 650 | obj->type == OBJ_COMMIT); |
e5e062b6 | 651 | strbuf_release(&base); |
5010cb5f JH |
652 | free(data); |
653 | return hit; | |
654 | } | |
debca9d2 | 655 | die(_("unable to grep from object of type %s"), type_name(obj->type)); |
5010cb5f JH |
656 | } |
657 | ||
f34bbc15 | 658 | static int grep_objects(struct grep_opt *opt, const struct pathspec *pathspec, |
30d00c39 JN |
659 | const struct object_array *list) |
660 | { | |
661 | unsigned int i; | |
662 | int hit = 0; | |
663 | const unsigned int nr = list->nr; | |
664 | ||
665 | for (i = 0; i < nr; i++) { | |
666 | struct object *real_obj; | |
d5b0bac5 | 667 | |
1d1729ca | 668 | obj_read_lock(); |
dba093dd | 669 | real_obj = deref_tag(opt->repo, list->objects[i].item, |
a74093da | 670 | NULL, 0); |
1d1729ca | 671 | obj_read_unlock(); |
74ed4371 BW |
672 | |
673 | /* load the gitmodules file for this rev */ | |
674 | if (recurse_submodules) { | |
dba093dd | 675 | submodule_free(opt->repo); |
1d1729ca | 676 | obj_read_lock(); |
cd73de47 | 677 | gitmodules_config_oid(&real_obj->oid); |
1d1729ca | 678 | obj_read_unlock(); |
74ed4371 | 679 | } |
6856077a JT |
680 | if (grep_object(opt, pathspec, real_obj, list->objects[i].name, |
681 | list->objects[i].path)) { | |
30d00c39 JN |
682 | hit = 1; |
683 | if (opt->status_only) | |
684 | break; | |
685 | } | |
686 | } | |
687 | return hit; | |
688 | } | |
689 | ||
dbfae86a | 690 | static int grep_directory(struct grep_opt *opt, const struct pathspec *pathspec, |
85975c0c | 691 | int exc_std, int use_index) |
59332d13 JH |
692 | { |
693 | struct dir_struct dir; | |
694 | int i, hit = 0; | |
695 | ||
eceba532 | 696 | dir_init(&dir); |
85975c0c JK |
697 | if (!use_index) |
698 | dir.flags |= DIR_NO_GITLINKS; | |
0a93fb8a JH |
699 | if (exc_std) |
700 | setup_standard_excludes(&dir); | |
59332d13 | 701 | |
dba093dd | 702 | fill_directory(&dir, opt->repo->index, pathspec); |
59332d13 JH |
703 | for (i = 0; i < dir.nr; i++) { |
704 | hit |= grep_file(opt, dir.entries[i]->name); | |
705 | if (hit && opt->status_only) | |
706 | break; | |
707 | } | |
eceba532 | 708 | dir_clear(&dir); |
59332d13 JH |
709 | return hit; |
710 | } | |
711 | ||
ff3c7f9a RS |
712 | static int context_callback(const struct option *opt, const char *arg, |
713 | int unset) | |
3e230fa1 RS |
714 | { |
715 | struct grep_opt *grep_opt = opt->value; | |
716 | int value; | |
717 | const char *endp; | |
718 | ||
719 | if (unset) { | |
720 | grep_opt->pre_context = grep_opt->post_context = 0; | |
721 | return 0; | |
722 | } | |
723 | value = strtol(arg, (char **)&endp, 10); | |
724 | if (*endp) { | |
2fc5f9f1 | 725 | return error(_("switch `%c' expects a numerical value"), |
3e230fa1 RS |
726 | opt->short_name); |
727 | } | |
728 | grep_opt->pre_context = grep_opt->post_context = value; | |
729 | return 0; | |
730 | } | |
731 | ||
ff3c7f9a | 732 | static int file_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
733 | { |
734 | struct grep_opt *grep_opt = opt->value; | |
517fe807 | 735 | int from_stdin; |
3e230fa1 RS |
736 | FILE *patterns; |
737 | int lno = 0; | |
cfe370c6 | 738 | struct strbuf sb = STRBUF_INIT; |
3e230fa1 | 739 | |
517fe807 JK |
740 | BUG_ON_OPT_NEG(unset); |
741 | ||
742 | from_stdin = !strcmp(arg, "-"); | |
c41dd2fd | 743 | patterns = from_stdin ? stdin : fopen(arg, "r"); |
3e230fa1 | 744 | if (!patterns) |
2fc5f9f1 | 745 | die_errno(_("cannot open '%s'"), arg); |
a5518431 | 746 | while (strbuf_getline(&sb, patterns) == 0) { |
3e230fa1 RS |
747 | /* ignore empty line like grep does */ |
748 | if (sb.len == 0) | |
749 | continue; | |
ed40a095 | 750 | |
ec830611 RS |
751 | append_grep_pat(grep_opt, sb.buf, sb.len, arg, ++lno, |
752 | GREP_PATTERN); | |
3e230fa1 | 753 | } |
c41dd2fd RS |
754 | if (!from_stdin) |
755 | fclose(patterns); | |
3e230fa1 RS |
756 | strbuf_release(&sb); |
757 | return 0; | |
758 | } | |
759 | ||
ff3c7f9a | 760 | static int not_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
761 | { |
762 | struct grep_opt *grep_opt = opt->value; | |
517fe807 JK |
763 | BUG_ON_OPT_NEG(unset); |
764 | BUG_ON_OPT_ARG(arg); | |
3e230fa1 RS |
765 | append_grep_pattern(grep_opt, "--not", "command line", 0, GREP_NOT); |
766 | return 0; | |
767 | } | |
768 | ||
ff3c7f9a | 769 | static int and_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
770 | { |
771 | struct grep_opt *grep_opt = opt->value; | |
517fe807 JK |
772 | BUG_ON_OPT_NEG(unset); |
773 | BUG_ON_OPT_ARG(arg); | |
3e230fa1 RS |
774 | append_grep_pattern(grep_opt, "--and", "command line", 0, GREP_AND); |
775 | return 0; | |
776 | } | |
777 | ||
ff3c7f9a | 778 | static int open_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
779 | { |
780 | struct grep_opt *grep_opt = opt->value; | |
517fe807 JK |
781 | BUG_ON_OPT_NEG(unset); |
782 | BUG_ON_OPT_ARG(arg); | |
3e230fa1 RS |
783 | append_grep_pattern(grep_opt, "(", "command line", 0, GREP_OPEN_PAREN); |
784 | return 0; | |
785 | } | |
786 | ||
ff3c7f9a | 787 | static int close_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
788 | { |
789 | struct grep_opt *grep_opt = opt->value; | |
517fe807 JK |
790 | BUG_ON_OPT_NEG(unset); |
791 | BUG_ON_OPT_ARG(arg); | |
3e230fa1 RS |
792 | append_grep_pattern(grep_opt, ")", "command line", 0, GREP_CLOSE_PAREN); |
793 | return 0; | |
794 | } | |
795 | ||
ff3c7f9a RS |
796 | static int pattern_callback(const struct option *opt, const char *arg, |
797 | int unset) | |
3e230fa1 RS |
798 | { |
799 | struct grep_opt *grep_opt = opt->value; | |
517fe807 | 800 | BUG_ON_OPT_NEG(unset); |
3e230fa1 RS |
801 | append_grep_pattern(grep_opt, arg, "-e option", 0, GREP_PATTERN); |
802 | return 0; | |
803 | } | |
5010cb5f | 804 | |
a633fca0 | 805 | int cmd_grep(int argc, const char **argv, const char *prefix) |
5010cb5f | 806 | { |
5010cb5f | 807 | int hit = 0; |
0a93fb8a | 808 | int cached = 0, untracked = 0, opt_exclude = -1; |
5acd64ed | 809 | int seen_dashdash = 0; |
bbc09c22 | 810 | int external_grep_allowed__ignored; |
0af88c15 | 811 | const char *show_in_pager = NULL, *default_pager = "dummy"; |
5010cb5f | 812 | struct grep_opt opt; |
3cd47459 | 813 | struct object_array list = OBJECT_ARRAY_INIT; |
f34bbc15 | 814 | struct pathspec pathspec; |
183113a5 | 815 | struct string_list path_list = STRING_LIST_INIT_NODUP; |
5acd64ed | 816 | int i; |
3e230fa1 | 817 | int dummy; |
ff38d1a9 | 818 | int use_index = 1; |
84befcd0 | 819 | int pattern_type_arg = GREP_PATTERN_TYPE_UNSPECIFIED; |
131f3c96 | 820 | int allow_revs; |
cca2c172 | 821 | |
3e230fa1 | 822 | struct option options[] = { |
d5d09d47 | 823 | OPT_BOOL(0, "cached", &cached, |
4b407bc5 | 824 | N_("search in index instead of in the work tree")), |
cbb08c2e | 825 | OPT_NEGBIT(0, "no-index", &use_index, |
f63cf8c9 | 826 | N_("find in contents not managed by git"), 1), |
d5d09d47 | 827 | OPT_BOOL(0, "untracked", &untracked, |
4b407bc5 | 828 | N_("search in both tracked and untracked files")), |
0a93fb8a | 829 | OPT_SET_INT(0, "exclude-standard", &opt_exclude, |
77fdb8a8 | 830 | N_("ignore files specified via '.gitignore'"), 1), |
0281e487 | 831 | OPT_BOOL(0, "recurse-submodules", &recurse_submodules, |
4fb1c6aa | 832 | N_("recursively search in each submodule")), |
3e230fa1 | 833 | OPT_GROUP(""), |
d5d09d47 | 834 | OPT_BOOL('v', "invert-match", &opt.invert, |
4b407bc5 | 835 | N_("show non-matching lines")), |
d5d09d47 | 836 | OPT_BOOL('i', "ignore-case", &opt.ignore_case, |
4b407bc5 | 837 | N_("case insensitive matching")), |
d5d09d47 | 838 | OPT_BOOL('w', "word-regexp", &opt.word_regexp, |
4b407bc5 | 839 | N_("match patterns only at word boundaries")), |
3e230fa1 | 840 | OPT_SET_INT('a', "text", &opt.binary, |
4b407bc5 | 841 | N_("process binary files as text"), GREP_BINARY_TEXT), |
3e230fa1 | 842 | OPT_SET_INT('I', NULL, &opt.binary, |
4b407bc5 | 843 | N_("don't match patterns in binary files"), |
3e230fa1 | 844 | GREP_BINARY_NOMATCH), |
335ec3bf JK |
845 | OPT_BOOL(0, "textconv", &opt.allow_textconv, |
846 | N_("process binary files with textconv filters")), | |
0a09e5ed RS |
847 | OPT_SET_INT('r', "recursive", &opt.max_depth, |
848 | N_("search in subdirectories (default)"), -1), | |
4b407bc5 NTND |
849 | { OPTION_INTEGER, 0, "max-depth", &opt.max_depth, N_("depth"), |
850 | N_("descend at most <depth> levels"), PARSE_OPT_NONEG, | |
a91f453f | 851 | NULL, 1 }, |
3e230fa1 | 852 | OPT_GROUP(""), |
84befcd0 | 853 | OPT_SET_INT('E', "extended-regexp", &pattern_type_arg, |
4b407bc5 | 854 | N_("use extended POSIX regular expressions"), |
84befcd0 S |
855 | GREP_PATTERN_TYPE_ERE), |
856 | OPT_SET_INT('G', "basic-regexp", &pattern_type_arg, | |
4b407bc5 | 857 | N_("use basic POSIX regular expressions (default)"), |
84befcd0 S |
858 | GREP_PATTERN_TYPE_BRE), |
859 | OPT_SET_INT('F', "fixed-strings", &pattern_type_arg, | |
4b407bc5 | 860 | N_("interpret patterns as fixed strings"), |
84befcd0 S |
861 | GREP_PATTERN_TYPE_FIXED), |
862 | OPT_SET_INT('P', "perl-regexp", &pattern_type_arg, | |
4b407bc5 | 863 | N_("use Perl-compatible regular expressions"), |
84befcd0 | 864 | GREP_PATTERN_TYPE_PCRE), |
3e230fa1 | 865 | OPT_GROUP(""), |
d5d09d47 | 866 | OPT_BOOL('n', "line-number", &opt.linenum, N_("show line numbers")), |
a449f27f | 867 | OPT_BOOL(0, "column", &opt.columnnum, N_("show column number of first match")), |
4b407bc5 NTND |
868 | OPT_NEGBIT('h', NULL, &opt.pathname, N_("don't show filenames"), 1), |
869 | OPT_BIT('H', NULL, &opt.pathname, N_("show filenames"), 1), | |
3e230fa1 | 870 | OPT_NEGBIT(0, "full-name", &opt.relative, |
4b407bc5 | 871 | N_("show filenames relative to top directory"), 1), |
d5d09d47 | 872 | OPT_BOOL('l', "files-with-matches", &opt.name_only, |
4b407bc5 | 873 | N_("show only filenames instead of matching lines")), |
d5d09d47 | 874 | OPT_BOOL(0, "name-only", &opt.name_only, |
4b407bc5 | 875 | N_("synonym for --files-with-matches")), |
d5d09d47 | 876 | OPT_BOOL('L', "files-without-match", |
3e230fa1 | 877 | &opt.unmatch_name_only, |
4b407bc5 | 878 | N_("show only the names of files without match")), |
caf2de33 NTND |
879 | OPT_BOOL_F('z', "null", &opt.null_following_name, |
880 | N_("print NUL after filenames"), | |
881 | PARSE_OPT_NOCOMPLETE), | |
9d8db06e TB |
882 | OPT_BOOL('o', "only-matching", &opt.only_matching, |
883 | N_("show only matching parts of a line")), | |
d5d09d47 | 884 | OPT_BOOL('c', "count", &opt.count, |
4b407bc5 NTND |
885 | N_("show the number of matches instead of matching lines")), |
886 | OPT__COLOR(&opt.color, N_("highlight matches")), | |
d5d09d47 | 887 | OPT_BOOL(0, "break", &opt.file_break, |
4b407bc5 | 888 | N_("print empty line between matches from different files")), |
d5d09d47 | 889 | OPT_BOOL(0, "heading", &opt.heading, |
4b407bc5 | 890 | N_("show filename only once above matches from same file")), |
3e230fa1 | 891 | OPT_GROUP(""), |
4b407bc5 NTND |
892 | OPT_CALLBACK('C', "context", &opt, N_("n"), |
893 | N_("show <n> context lines before and after matches"), | |
3e230fa1 | 894 | context_callback), |
317f63c2 | 895 | OPT_INTEGER('B', "before-context", &opt.pre_context, |
4b407bc5 | 896 | N_("show <n> context lines before matches")), |
317f63c2 | 897 | OPT_INTEGER('A', "after-context", &opt.post_context, |
4b407bc5 | 898 | N_("show <n> context lines after matches")), |
89f09dd3 VL |
899 | OPT_INTEGER(0, "threads", &num_threads, |
900 | N_("use <n> worker threads")), | |
4b407bc5 | 901 | OPT_NUMBER_CALLBACK(&opt, N_("shortcut for -C NUM"), |
3e230fa1 | 902 | context_callback), |
d5d09d47 | 903 | OPT_BOOL('p', "show-function", &opt.funcname, |
4b407bc5 | 904 | N_("show a line with the function name before matches")), |
d5d09d47 | 905 | OPT_BOOL('W', "function-context", &opt.funcbody, |
4b407bc5 | 906 | N_("show the surrounding function")), |
3e230fa1 | 907 | OPT_GROUP(""), |
4b407bc5 NTND |
908 | OPT_CALLBACK('f', NULL, &opt, N_("file"), |
909 | N_("read patterns from file"), file_callback), | |
203c8533 DL |
910 | OPT_CALLBACK_F('e', NULL, &opt, N_("pattern"), |
911 | N_("match <pattern>"), PARSE_OPT_NONEG, pattern_callback), | |
912 | OPT_CALLBACK_F(0, "and", &opt, NULL, | |
913 | N_("combine patterns specified with -e"), | |
914 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, and_callback), | |
d5d09d47 | 915 | OPT_BOOL(0, "or", &dummy, ""), |
203c8533 DL |
916 | OPT_CALLBACK_F(0, "not", &opt, NULL, "", |
917 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, not_callback), | |
918 | OPT_CALLBACK_F('(', NULL, &opt, NULL, "", | |
919 | PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH, | |
920 | open_callback), | |
921 | OPT_CALLBACK_F(')', NULL, &opt, NULL, "", | |
922 | PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH, | |
923 | close_callback), | |
d52ee6e6 | 924 | OPT__QUIET(&opt.status_only, |
4b407bc5 | 925 | N_("indicate hit with exit status without output")), |
d5d09d47 | 926 | OPT_BOOL(0, "all-match", &opt.all_match, |
4b407bc5 | 927 | N_("show only matches from files that match all patterns")), |
3e4a67b4 NTND |
928 | OPT_SET_INT_F(0, "debug", &opt.debug, |
929 | N_("show parse tree for grep expression"), | |
930 | 1, PARSE_OPT_HIDDEN), | |
3e230fa1 | 931 | OPT_GROUP(""), |
0af88c15 | 932 | { OPTION_STRING, 'O', "open-files-in-pager", &show_in_pager, |
4b407bc5 | 933 | N_("pager"), N_("show matching files in the pager"), |
caf2de33 NTND |
934 | PARSE_OPT_OPTARG | PARSE_OPT_NOCOMPLETE, |
935 | NULL, (intptr_t)default_pager }, | |
936 | OPT_BOOL_F(0, "ext-grep", &external_grep_allowed__ignored, | |
937 | N_("allow calling of grep(1) (ignored by this build)"), | |
938 | PARSE_OPT_NOCOMPLETE), | |
3e230fa1 RS |
939 | OPT_END() |
940 | }; | |
5010cb5f | 941 | |
38bbc2ea | 942 | init_grep_defaults(the_repository); |
15fabd1b | 943 | git_config(grep_cmd_config, NULL); |
38bbc2ea | 944 | grep_init(&opt, the_repository, prefix); |
7e8f59d5 | 945 | |
5010cb5f | 946 | /* |
5acd64ed JH |
947 | * If there is no -- then the paths must exist in the working |
948 | * tree. If there is no explicit pattern specified with -e or | |
949 | * -f, we take the first unrecognized non option to be the | |
950 | * pattern, but then what follows it must be zero or more | |
951 | * valid refs up to the -- (if exists), and then existing | |
952 | * paths. If there is an explicit pattern, then the first | |
82e5a82f | 953 | * unrecognized non option is the beginning of the refs list |
5acd64ed | 954 | * that continues up to the -- (if exists), and then paths. |
5010cb5f | 955 | */ |
37782920 | 956 | argc = parse_options(argc, argv, prefix, options, grep_usage, |
3e230fa1 | 957 | PARSE_OPT_KEEP_DASHDASH | |
44415499 | 958 | PARSE_OPT_STOP_AT_NON_OPTION); |
c5c31d33 | 959 | grep_commit_pattern_type(pattern_type_arg, &opt); |
3e230fa1 | 960 | |
ecd9ba61 TG |
961 | if (use_index && !startup_info->have_repository) { |
962 | int fallback = 0; | |
963 | git_config_get_bool("grep.fallbacktonoindex", &fallback); | |
964 | if (fallback) | |
965 | use_index = 0; | |
966 | else | |
967 | /* die the same way as if we did it at the beginning */ | |
968 | setup_git_directory(); | |
969 | } | |
c56c48dd PB |
970 | /* Ignore --recurse-submodules if --no-index is given or implied */ |
971 | if (!use_index) | |
972 | recurse_submodules = 0; | |
59332d13 | 973 | |
1123c67c JK |
974 | /* |
975 | * skip a -- separator; we know it cannot be | |
976 | * separating revisions from pathnames if | |
977 | * we haven't even had any patterns yet | |
978 | */ | |
979 | if (argc > 0 && !opt.pattern_list && !strcmp(argv[0], "--")) { | |
980 | argv++; | |
981 | argc--; | |
982 | } | |
983 | ||
3e230fa1 RS |
984 | /* First unrecognized non-option token */ |
985 | if (argc > 0 && !opt.pattern_list) { | |
986 | append_grep_pattern(&opt, argv[0], "command line", 0, | |
987 | GREP_PATTERN); | |
988 | argv++; | |
989 | argc--; | |
5010cb5f | 990 | } |
5acd64ed | 991 | |
0af88c15 JS |
992 | if (show_in_pager == default_pager) |
993 | show_in_pager = git_pager(1); | |
678e484b | 994 | if (show_in_pager) { |
e7b082a4 | 995 | opt.color = 0; |
0af88c15 JS |
996 | opt.name_only = 1; |
997 | opt.null_following_name = 1; | |
998 | opt.output_priv = &path_list; | |
999 | opt.output = append_path; | |
0c72cead | 1000 | string_list_append(&path_list, show_in_pager); |
678e484b JS |
1001 | } |
1002 | ||
f9b9faf6 | 1003 | if (!opt.pattern_list) |
1a07e59c | 1004 | die(_("no pattern given")); |
5b594f45 | 1005 | |
9d8db06e TB |
1006 | /* --only-matching has no effect with --invert. */ |
1007 | if (opt.invert) | |
1008 | opt.only_matching = 0; | |
1009 | ||
b5b81136 JK |
1010 | /* |
1011 | * We have to find "--" in a separate pass, because its presence | |
1012 | * influences how we will parse arguments that come before it. | |
1013 | */ | |
1014 | for (i = 0; i < argc; i++) { | |
1015 | if (!strcmp(argv[i], "--")) { | |
1016 | seen_dashdash = 1; | |
1017 | break; | |
1018 | } | |
1019 | } | |
1020 | ||
1021 | /* | |
1022 | * Resolve any rev arguments. If we have a dashdash, then everything up | |
1023 | * to it must resolve as a rev. If not, then we stop at the first | |
1024 | * non-rev and assume everything else is a path. | |
1025 | */ | |
131f3c96 | 1026 | allow_revs = use_index && !untracked; |
3e230fa1 | 1027 | for (i = 0; i < argc; i++) { |
5acd64ed | 1028 | const char *arg = argv[i]; |
1db11086 | 1029 | struct object_id oid; |
afa15f3c | 1030 | struct object_context oc; |
20d6421c JK |
1031 | struct object *object; |
1032 | ||
dca3b5f5 JT |
1033 | if (!strcmp(arg, "--")) { |
1034 | i++; | |
dca3b5f5 JT |
1035 | break; |
1036 | } | |
20d6421c | 1037 | |
131f3c96 | 1038 | if (!allow_revs) { |
d0ffc069 | 1039 | if (seen_dashdash) |
131f3c96 | 1040 | die(_("--no-index or --untracked cannot be used with revs")); |
d0ffc069 JK |
1041 | break; |
1042 | } | |
1043 | ||
3a7a698e NTND |
1044 | if (get_oid_with_context(the_repository, arg, |
1045 | GET_OID_RECORD_PATH, | |
e82caf38 | 1046 | &oid, &oc)) { |
b5b81136 JK |
1047 | if (seen_dashdash) |
1048 | die(_("unable to resolve revision: %s"), arg); | |
20d6421c | 1049 | break; |
b5b81136 | 1050 | } |
20d6421c | 1051 | |
c251c83d | 1052 | object = parse_object_or_die(&oid, arg); |
20d6421c JK |
1053 | if (!seen_dashdash) |
1054 | verify_non_filename(prefix, arg); | |
1055 | add_object_array_with_path(object, arg, &list, oc.mode, oc.path); | |
dc944b65 | 1056 | free(oc.path); |
1362671f | 1057 | } |
5acd64ed | 1058 | |
b5b81136 JK |
1059 | /* |
1060 | * Anything left over is presumed to be a path. But in the non-dashdash | |
1061 | * "do what I mean" case, we verify and complain when that isn't true. | |
1062 | */ | |
a0fe2b0d JK |
1063 | if (!seen_dashdash) { |
1064 | int j; | |
1065 | for (j = i; j < argc; j++) | |
131f3c96 | 1066 | verify_filename(prefix, argv[j], j == i && allow_revs); |
a0fe2b0d JK |
1067 | } |
1068 | ||
1069 | parse_pathspec(&pathspec, 0, | |
1070 | PATHSPEC_PREFER_CWD | | |
1071 | (opt.max_depth != -1 ? PATHSPEC_MAXDEPTH_VALID : 0), | |
1072 | prefix, argv + i); | |
1073 | pathspec.max_depth = opt.max_depth; | |
1074 | pathspec.recursive = 1; | |
eef3df5a | 1075 | pathspec.recurse_submodules = !!recurse_submodules; |
a0fe2b0d | 1076 | |
56ceb64e JH |
1077 | if (recurse_submodules && untracked) |
1078 | die(_("--untracked not supported with --recurse-submodules")); | |
c441ea4e | 1079 | |
1184a95e | 1080 | if (show_in_pager) { |
fd6263fb NTND |
1081 | if (num_threads > 1) |
1082 | warning(_("invalid option combination, ignoring --threads")); | |
1083 | num_threads = 1; | |
1084 | } else if (!HAVE_THREADS && num_threads > 1) { | |
d1edee4a | 1085 | warning(_("no threads support, ignoring --threads")); |
fd6263fb NTND |
1086 | num_threads = 1; |
1087 | } else if (num_threads < 0) | |
1088 | die(_("invalid number of threads specified (%d)"), num_threads); | |
1089 | else if (num_threads == 0) | |
f1928f04 | 1090 | num_threads = HAVE_THREADS ? online_cpus() : 1; |
53b8d931 | 1091 | |
fd6263fb NTND |
1092 | if (num_threads > 1) { |
1093 | if (!HAVE_THREADS) | |
1094 | BUG("Somebody got num_threads calculation wrong!"); | |
1095 | if (!(opt.name_only || opt.unmatch_name_only || opt.count) | |
1096 | && (opt.pre_context || opt.post_context || | |
1097 | opt.file_break || opt.funcbody)) | |
1098 | skip_first_line = 1; | |
c441ea4e MT |
1099 | |
1100 | /* | |
6c307626 MT |
1101 | * Pre-read gitmodules (if not read already) and force eager |
1102 | * initialization of packed_git to prevent racy lazy | |
1103 | * reading/initialization once worker threads are started. | |
c441ea4e MT |
1104 | */ |
1105 | if (recurse_submodules) | |
1106 | repo_read_gitmodules(the_repository, 1); | |
6c307626 MT |
1107 | if (startup_info->have_repository) |
1108 | (void)get_packed_git(the_repository); | |
c441ea4e | 1109 | |
fd6263fb | 1110 | start_threads(&opt); |
4002e87c | 1111 | } else { |
6d423dd5 ÆAB |
1112 | /* |
1113 | * The compiled patterns on the main path are only | |
1114 | * used when not using threading. Otherwise | |
fd6263fb | 1115 | * start_threads() above calls compile_grep_patterns() |
6d423dd5 ÆAB |
1116 | * for each thread. |
1117 | */ | |
1118 | compile_grep_patterns(&opt); | |
53b8d931 | 1119 | } |
53b8d931 | 1120 | |
678e484b | 1121 | if (show_in_pager && (cached || list.nr)) |
e4fe4ba5 | 1122 | die(_("--open-files-in-pager only works on the worktree")); |
678e484b JS |
1123 | |
1124 | if (show_in_pager && opt.pattern_list && !opt.pattern_list->next) { | |
1125 | const char *pager = path_list.items[0].string; | |
1126 | int len = strlen(pager); | |
1127 | ||
1128 | if (len > 4 && is_dir_sep(pager[len - 5])) | |
1129 | pager += len - 4; | |
1130 | ||
f7febbea JS |
1131 | if (opt.ignore_case && !strcmp("less", pager)) |
1132 | string_list_append(&path_list, "-I"); | |
1133 | ||
678e484b JS |
1134 | if (!strcmp("less", pager) || !strcmp("vi", pager)) { |
1135 | struct strbuf buf = STRBUF_INIT; | |
1136 | strbuf_addf(&buf, "+/%s%s", | |
1137 | strcmp("less", pager) ? "" : "*", | |
1138 | opt.pattern_list->pattern); | |
fd99c2dd RS |
1139 | string_list_append(&path_list, |
1140 | strbuf_detach(&buf, NULL)); | |
678e484b JS |
1141 | } |
1142 | } | |
1143 | ||
c2048f0b | 1144 | if (!show_in_pager && !opt.status_only) |
678e484b JS |
1145 | setup_pager(); |
1146 | ||
0a93fb8a | 1147 | if (!use_index && (untracked || cached)) |
1a07e59c | 1148 | die(_("--cached or --untracked cannot be used with --no-index")); |
678e484b | 1149 | |
0a93fb8a | 1150 | if (!use_index || untracked) { |
0a93fb8a | 1151 | int use_exclude = (opt_exclude < 0) ? use_index : !!opt_exclude; |
85975c0c | 1152 | hit = grep_directory(&opt, &pathspec, use_exclude, use_index); |
dbfae86a | 1153 | } else if (0 <= opt_exclude) { |
1a07e59c | 1154 | die(_("--[no-]exclude-standard cannot be used for tracked contents")); |
685359cf | 1155 | } else if (!list.nr) { |
6577f542 NTND |
1156 | if (!cached) |
1157 | setup_work_tree(); | |
5b594f45 | 1158 | |
dba093dd | 1159 | hit = grep_cache(&opt, &pathspec, cached); |
685359cf JS |
1160 | } else { |
1161 | if (cached) | |
1a07e59c | 1162 | die(_("both --cached and trees are given")); |
f9ee2fcd | 1163 | |
6856077a | 1164 | hit = grep_objects(&opt, &pathspec, &list); |
5010cb5f | 1165 | } |
5b594f45 | 1166 | |
fd6263fb | 1167 | if (num_threads > 1) |
5b594f45 | 1168 | hit |= wait_all(); |
678e484b JS |
1169 | if (hit && show_in_pager) |
1170 | run_pager(&opt, prefix); | |
7861fa07 | 1171 | clear_pathspec(&pathspec); |
b48fb5b6 | 1172 | free_grep_patterns(&opt); |
513f2b0b | 1173 | grep_destroy(); |
5010cb5f JH |
1174 | return !hit; |
1175 | } |