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Commit | Line | Data |
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94c0956b DS |
1 | #include "builtin.h" |
2 | #include "config.h" | |
3 | #include "dir.h" | |
4 | #include "parse-options.h" | |
5 | #include "pathspec.h" | |
6 | #include "repository.h" | |
7 | #include "run-command.h" | |
8 | #include "strbuf.h" | |
af09ce24 | 9 | #include "string-list.h" |
e091228e DS |
10 | #include "cache.h" |
11 | #include "cache-tree.h" | |
12 | #include "lockfile.h" | |
13 | #include "resolve-undo.h" | |
14 | #include "unpack-trees.h" | |
cff4e913 | 15 | #include "wt-status.h" |
94c0956b | 16 | |
416adc87 DS |
17 | static const char *empty_base = ""; |
18 | ||
94c0956b | 19 | static char const * const builtin_sparse_checkout_usage[] = { |
72918c1a | 20 | N_("git sparse-checkout (init|list|set|disable) <options>"), |
94c0956b DS |
21 | NULL |
22 | }; | |
23 | ||
24 | static char *get_sparse_checkout_filename(void) | |
25 | { | |
26 | return git_pathdup("info/sparse-checkout"); | |
27 | } | |
28 | ||
29 | static void write_patterns_to_file(FILE *fp, struct pattern_list *pl) | |
30 | { | |
31 | int i; | |
32 | ||
33 | for (i = 0; i < pl->nr; i++) { | |
34 | struct path_pattern *p = pl->patterns[i]; | |
35 | ||
36 | if (p->flags & PATTERN_FLAG_NEGATIVE) | |
37 | fprintf(fp, "!"); | |
38 | ||
39 | fprintf(fp, "%s", p->pattern); | |
40 | ||
41 | if (p->flags & PATTERN_FLAG_MUSTBEDIR) | |
42 | fprintf(fp, "/"); | |
43 | ||
44 | fprintf(fp, "\n"); | |
45 | } | |
46 | } | |
47 | ||
48 | static int sparse_checkout_list(int argc, const char **argv) | |
49 | { | |
50 | struct pattern_list pl; | |
51 | char *sparse_filename; | |
52 | int res; | |
53 | ||
54 | memset(&pl, 0, sizeof(pl)); | |
55 | ||
de11951b DS |
56 | pl.use_cone_patterns = core_sparse_checkout_cone; |
57 | ||
94c0956b DS |
58 | sparse_filename = get_sparse_checkout_filename(); |
59 | res = add_patterns_from_file_to_list(sparse_filename, "", 0, &pl, NULL); | |
60 | free(sparse_filename); | |
61 | ||
62 | if (res < 0) { | |
63 | warning(_("this worktree is not sparse (sparse-checkout file may not exist)")); | |
64 | return 0; | |
65 | } | |
66 | ||
de11951b DS |
67 | if (pl.use_cone_patterns) { |
68 | int i; | |
69 | struct pattern_entry *pe; | |
70 | struct hashmap_iter iter; | |
71 | struct string_list sl = STRING_LIST_INIT_DUP; | |
72 | ||
73 | hashmap_for_each_entry(&pl.recursive_hashmap, &iter, pe, ent) { | |
74 | /* pe->pattern starts with "/", skip it */ | |
75 | string_list_insert(&sl, pe->pattern + 1); | |
76 | } | |
77 | ||
78 | string_list_sort(&sl); | |
79 | ||
80 | for (i = 0; i < sl.nr; i++) | |
81 | printf("%s\n", sl.items[i].string); | |
82 | ||
83 | return 0; | |
84 | } | |
85 | ||
94c0956b DS |
86 | write_patterns_to_file(stdout, &pl); |
87 | clear_pattern_list(&pl); | |
88 | ||
89 | return 0; | |
90 | } | |
91 | ||
e091228e | 92 | static int update_working_directory(struct pattern_list *pl) |
bab3c359 | 93 | { |
bab3c359 | 94 | int result = 0; |
e091228e DS |
95 | struct unpack_trees_options o; |
96 | struct lock_file lock_file = LOCK_INIT; | |
97 | struct object_id oid; | |
98 | struct tree *tree; | |
99 | struct tree_desc t; | |
100 | struct repository *r = the_repository; | |
bab3c359 | 101 | |
e091228e DS |
102 | if (repo_read_index_unmerged(r)) |
103 | die(_("you need to resolve your current index first")); | |
104 | ||
105 | if (get_oid("HEAD", &oid)) | |
106 | return 0; | |
107 | ||
108 | tree = parse_tree_indirect(&oid); | |
109 | parse_tree(tree); | |
110 | init_tree_desc(&t, tree->buffer, tree->size); | |
111 | ||
112 | memset(&o, 0, sizeof(o)); | |
113 | o.verbose_update = isatty(2); | |
114 | o.merge = 1; | |
115 | o.update = 1; | |
116 | o.fn = oneway_merge; | |
117 | o.head_idx = -1; | |
118 | o.src_index = r->index; | |
119 | o.dst_index = r->index; | |
120 | o.skip_sparse_checkout = 0; | |
121 | o.pl = pl; | |
122 | o.keep_pattern_list = !!pl; | |
123 | ||
124 | resolve_undo_clear_index(r->index); | |
125 | setup_work_tree(); | |
126 | ||
127 | cache_tree_free(&r->index->cache_tree); | |
128 | ||
129 | repo_hold_locked_index(r, &lock_file, LOCK_DIE_ON_ERROR); | |
130 | ||
131 | core_apply_sparse_checkout = 1; | |
132 | result = unpack_trees(1, &t, &o); | |
133 | ||
134 | if (!result) { | |
135 | prime_cache_tree(r, r->index, tree); | |
136 | write_locked_index(r->index, &lock_file, COMMIT_LOCK); | |
137 | } else | |
138 | rollback_lock_file(&lock_file); | |
bab3c359 | 139 | |
bab3c359 DS |
140 | return result; |
141 | } | |
142 | ||
af09ce24 DS |
143 | static void write_cone_to_file(FILE *fp, struct pattern_list *pl) |
144 | { | |
145 | int i; | |
146 | struct pattern_entry *pe; | |
147 | struct hashmap_iter iter; | |
148 | struct string_list sl = STRING_LIST_INIT_DUP; | |
e9de487a | 149 | struct strbuf parent_pattern = STRBUF_INIT; |
af09ce24 | 150 | |
e9de487a DS |
151 | hashmap_for_each_entry(&pl->parent_hashmap, &iter, pe, ent) { |
152 | if (hashmap_get_entry(&pl->recursive_hashmap, pe, ent, NULL)) | |
153 | continue; | |
154 | ||
155 | if (!hashmap_contains_parent(&pl->recursive_hashmap, | |
156 | pe->pattern, | |
157 | &parent_pattern)) | |
158 | string_list_insert(&sl, pe->pattern); | |
159 | } | |
af09ce24 DS |
160 | |
161 | string_list_sort(&sl); | |
162 | string_list_remove_duplicates(&sl, 0); | |
163 | ||
164 | fprintf(fp, "/*\n!/*/\n"); | |
165 | ||
166 | for (i = 0; i < sl.nr; i++) { | |
167 | char *pattern = sl.items[i].string; | |
168 | ||
169 | if (strlen(pattern)) | |
170 | fprintf(fp, "%s/\n!%s/*/\n", pattern, pattern); | |
171 | } | |
172 | ||
173 | string_list_clear(&sl, 0); | |
174 | ||
e9de487a DS |
175 | hashmap_for_each_entry(&pl->recursive_hashmap, &iter, pe, ent) { |
176 | if (!hashmap_contains_parent(&pl->recursive_hashmap, | |
177 | pe->pattern, | |
178 | &parent_pattern)) | |
179 | string_list_insert(&sl, pe->pattern); | |
180 | } | |
181 | ||
182 | strbuf_release(&parent_pattern); | |
af09ce24 DS |
183 | |
184 | string_list_sort(&sl); | |
185 | string_list_remove_duplicates(&sl, 0); | |
186 | ||
187 | for (i = 0; i < sl.nr; i++) { | |
188 | char *pattern = sl.items[i].string; | |
189 | fprintf(fp, "%s/\n", pattern); | |
190 | } | |
191 | } | |
192 | ||
193 | static int write_patterns_and_update(struct pattern_list *pl) | |
194 | { | |
195 | char *sparse_filename; | |
196 | FILE *fp; | |
fb10ca5b DS |
197 | int fd; |
198 | struct lock_file lk = LOCK_INIT; | |
e091228e DS |
199 | int result; |
200 | ||
fb10ca5b DS |
201 | sparse_filename = get_sparse_checkout_filename(); |
202 | fd = hold_lock_file_for_update(&lk, sparse_filename, | |
203 | LOCK_DIE_ON_ERROR); | |
e091228e | 204 | |
fb10ca5b | 205 | result = update_working_directory(pl); |
e091228e | 206 | if (result) { |
fb10ca5b DS |
207 | rollback_lock_file(&lk); |
208 | free(sparse_filename); | |
e091228e DS |
209 | clear_pattern_list(pl); |
210 | update_working_directory(NULL); | |
211 | return result; | |
212 | } | |
af09ce24 | 213 | |
fb10ca5b | 214 | fp = xfdopen(fd, "w"); |
af09ce24 DS |
215 | |
216 | if (core_sparse_checkout_cone) | |
217 | write_cone_to_file(fp, pl); | |
218 | else | |
219 | write_patterns_to_file(fp, pl); | |
220 | ||
fb10ca5b DS |
221 | fflush(fp); |
222 | commit_lock_file(&lk); | |
e091228e | 223 | |
af09ce24 | 224 | free(sparse_filename); |
e091228e | 225 | clear_pattern_list(pl); |
af09ce24 | 226 | |
e091228e | 227 | return 0; |
af09ce24 DS |
228 | } |
229 | ||
bab3c359 DS |
230 | enum sparse_checkout_mode { |
231 | MODE_NO_PATTERNS = 0, | |
232 | MODE_ALL_PATTERNS = 1, | |
af09ce24 | 233 | MODE_CONE_PATTERNS = 2, |
bab3c359 DS |
234 | }; |
235 | ||
236 | static int set_config(enum sparse_checkout_mode mode) | |
237 | { | |
238 | const char *config_path; | |
239 | ||
240 | if (git_config_set_gently("extensions.worktreeConfig", "true")) { | |
241 | error(_("failed to set extensions.worktreeConfig setting")); | |
242 | return 1; | |
243 | } | |
244 | ||
245 | config_path = git_path("config.worktree"); | |
246 | git_config_set_in_file_gently(config_path, | |
247 | "core.sparseCheckout", | |
248 | mode ? "true" : NULL); | |
249 | ||
af09ce24 DS |
250 | git_config_set_in_file_gently(config_path, |
251 | "core.sparseCheckoutCone", | |
252 | mode == MODE_CONE_PATTERNS ? "true" : NULL); | |
253 | ||
bab3c359 DS |
254 | return 0; |
255 | } | |
256 | ||
af09ce24 DS |
257 | static char const * const builtin_sparse_checkout_init_usage[] = { |
258 | N_("git sparse-checkout init [--cone]"), | |
259 | NULL | |
260 | }; | |
261 | ||
262 | static struct sparse_checkout_init_opts { | |
263 | int cone_mode; | |
264 | } init_opts; | |
265 | ||
bab3c359 DS |
266 | static int sparse_checkout_init(int argc, const char **argv) |
267 | { | |
268 | struct pattern_list pl; | |
269 | char *sparse_filename; | |
bab3c359 | 270 | int res; |
d89f09c8 | 271 | struct object_id oid; |
af09ce24 | 272 | int mode; |
416adc87 | 273 | struct strbuf pattern = STRBUF_INIT; |
bab3c359 | 274 | |
af09ce24 DS |
275 | static struct option builtin_sparse_checkout_init_options[] = { |
276 | OPT_BOOL(0, "cone", &init_opts.cone_mode, | |
277 | N_("initialize the sparse-checkout in cone mode")), | |
278 | OPT_END(), | |
279 | }; | |
280 | ||
cff4e913 DS |
281 | repo_read_index(the_repository); |
282 | require_clean_work_tree(the_repository, | |
283 | N_("initialize sparse-checkout"), NULL, 1, 0); | |
284 | ||
af09ce24 DS |
285 | argc = parse_options(argc, argv, NULL, |
286 | builtin_sparse_checkout_init_options, | |
287 | builtin_sparse_checkout_init_usage, 0); | |
288 | ||
e091228e DS |
289 | if (init_opts.cone_mode) { |
290 | mode = MODE_CONE_PATTERNS; | |
291 | core_sparse_checkout_cone = 1; | |
292 | } else | |
293 | mode = MODE_ALL_PATTERNS; | |
af09ce24 DS |
294 | |
295 | if (set_config(mode)) | |
bab3c359 DS |
296 | return 1; |
297 | ||
298 | memset(&pl, 0, sizeof(pl)); | |
299 | ||
300 | sparse_filename = get_sparse_checkout_filename(); | |
301 | res = add_patterns_from_file_to_list(sparse_filename, "", 0, &pl, NULL); | |
302 | ||
303 | /* If we already have a sparse-checkout file, use it. */ | |
304 | if (res >= 0) { | |
305 | free(sparse_filename); | |
416adc87 DS |
306 | core_apply_sparse_checkout = 1; |
307 | return update_working_directory(NULL); | |
bab3c359 DS |
308 | } |
309 | ||
416adc87 DS |
310 | if (get_oid("HEAD", &oid)) { |
311 | FILE *fp; | |
bab3c359 | 312 | |
416adc87 DS |
313 | /* assume we are in a fresh repo, but update the sparse-checkout file */ |
314 | fp = xfopen(sparse_filename, "w"); | |
315 | if (!fp) | |
316 | die(_("failed to open '%s'"), sparse_filename); | |
bab3c359 | 317 | |
416adc87 DS |
318 | free(sparse_filename); |
319 | fprintf(fp, "/*\n!/*/\n"); | |
320 | fclose(fp); | |
d89f09c8 DS |
321 | return 0; |
322 | } | |
323 | ||
416adc87 DS |
324 | strbuf_addstr(&pattern, "/*"); |
325 | add_pattern(strbuf_detach(&pattern, NULL), empty_base, 0, &pl, 0); | |
326 | strbuf_addstr(&pattern, "!/*/"); | |
327 | add_pattern(strbuf_detach(&pattern, NULL), empty_base, 0, &pl, 0); | |
328 | ||
329 | return write_patterns_and_update(&pl); | |
bab3c359 DS |
330 | } |
331 | ||
af09ce24 | 332 | static void insert_recursive_pattern(struct pattern_list *pl, struct strbuf *path) |
f6039a94 | 333 | { |
af09ce24 DS |
334 | struct pattern_entry *e = xmalloc(sizeof(*e)); |
335 | e->patternlen = path->len; | |
336 | e->pattern = strbuf_detach(path, NULL); | |
190a65f9 DS |
337 | hashmap_entry_init(&e->ent, |
338 | ignore_case ? | |
339 | strihash(e->pattern) : | |
340 | strhash(e->pattern)); | |
f6039a94 | 341 | |
af09ce24 | 342 | hashmap_add(&pl->recursive_hashmap, &e->ent); |
f6039a94 | 343 | |
af09ce24 DS |
344 | while (e->patternlen) { |
345 | char *slash = strrchr(e->pattern, '/'); | |
346 | char *oldpattern = e->pattern; | |
347 | size_t newlen; | |
348 | ||
349 | if (slash == e->pattern) | |
350 | break; | |
351 | ||
352 | newlen = slash - e->pattern; | |
353 | e = xmalloc(sizeof(struct pattern_entry)); | |
354 | e->patternlen = newlen; | |
355 | e->pattern = xstrndup(oldpattern, newlen); | |
190a65f9 DS |
356 | hashmap_entry_init(&e->ent, |
357 | ignore_case ? | |
358 | strihash(e->pattern) : | |
359 | strhash(e->pattern)); | |
af09ce24 DS |
360 | |
361 | if (!hashmap_get_entry(&pl->parent_hashmap, e, ent, NULL)) | |
362 | hashmap_add(&pl->parent_hashmap, &e->ent); | |
363 | } | |
364 | } | |
365 | ||
366 | static void strbuf_to_cone_pattern(struct strbuf *line, struct pattern_list *pl) | |
367 | { | |
368 | strbuf_trim(line); | |
369 | ||
370 | strbuf_trim_trailing_dir_sep(line); | |
371 | ||
372 | if (!line->len) | |
373 | return; | |
374 | ||
375 | if (line->buf[0] != '/') | |
376 | strbuf_insert(line, 0, "/", 1); | |
377 | ||
378 | insert_recursive_pattern(pl, line); | |
f6039a94 DS |
379 | } |
380 | ||
7bffca95 DS |
381 | static char const * const builtin_sparse_checkout_set_usage[] = { |
382 | N_("git sparse-checkout set (--stdin | <patterns>)"), | |
383 | NULL | |
384 | }; | |
385 | ||
386 | static struct sparse_checkout_set_opts { | |
387 | int use_stdin; | |
388 | } set_opts; | |
389 | ||
f6039a94 DS |
390 | static int sparse_checkout_set(int argc, const char **argv, const char *prefix) |
391 | { | |
f6039a94 DS |
392 | int i; |
393 | struct pattern_list pl; | |
394 | int result; | |
395 | int changed_config = 0; | |
7bffca95 DS |
396 | |
397 | static struct option builtin_sparse_checkout_set_options[] = { | |
398 | OPT_BOOL(0, "stdin", &set_opts.use_stdin, | |
399 | N_("read patterns from standard in")), | |
400 | OPT_END(), | |
401 | }; | |
402 | ||
cff4e913 DS |
403 | repo_read_index(the_repository); |
404 | require_clean_work_tree(the_repository, | |
405 | N_("set sparse-checkout patterns"), NULL, 1, 0); | |
406 | ||
f6039a94 DS |
407 | memset(&pl, 0, sizeof(pl)); |
408 | ||
7bffca95 DS |
409 | argc = parse_options(argc, argv, prefix, |
410 | builtin_sparse_checkout_set_options, | |
411 | builtin_sparse_checkout_set_usage, | |
412 | PARSE_OPT_KEEP_UNKNOWN); | |
413 | ||
af09ce24 | 414 | if (core_sparse_checkout_cone) { |
7bffca95 DS |
415 | struct strbuf line = STRBUF_INIT; |
416 | ||
af09ce24 DS |
417 | hashmap_init(&pl.recursive_hashmap, pl_hashmap_cmp, NULL, 0); |
418 | hashmap_init(&pl.parent_hashmap, pl_hashmap_cmp, NULL, 0); | |
e091228e | 419 | pl.use_cone_patterns = 1; |
af09ce24 DS |
420 | |
421 | if (set_opts.use_stdin) { | |
422 | while (!strbuf_getline(&line, stdin)) | |
423 | strbuf_to_cone_pattern(&line, &pl); | |
424 | } else { | |
425 | for (i = 0; i < argc; i++) { | |
426 | strbuf_setlen(&line, 0); | |
427 | strbuf_addstr(&line, argv[i]); | |
428 | strbuf_to_cone_pattern(&line, &pl); | |
429 | } | |
7bffca95 DS |
430 | } |
431 | } else { | |
af09ce24 DS |
432 | if (set_opts.use_stdin) { |
433 | struct strbuf line = STRBUF_INIT; | |
434 | ||
435 | while (!strbuf_getline(&line, stdin)) { | |
436 | size_t len; | |
437 | char *buf = strbuf_detach(&line, &len); | |
438 | add_pattern(buf, empty_base, 0, &pl, 0); | |
439 | } | |
440 | } else { | |
441 | for (i = 0; i < argc; i++) | |
442 | add_pattern(argv[i], empty_base, 0, &pl, 0); | |
443 | } | |
7bffca95 | 444 | } |
f6039a94 DS |
445 | |
446 | if (!core_apply_sparse_checkout) { | |
447 | set_config(MODE_ALL_PATTERNS); | |
448 | core_apply_sparse_checkout = 1; | |
449 | changed_config = 1; | |
450 | } | |
451 | ||
452 | result = write_patterns_and_update(&pl); | |
453 | ||
454 | if (result && changed_config) | |
455 | set_config(MODE_NO_PATTERNS); | |
456 | ||
457 | clear_pattern_list(&pl); | |
458 | return result; | |
459 | } | |
460 | ||
72918c1a DS |
461 | static int sparse_checkout_disable(int argc, const char **argv) |
462 | { | |
99dfa6f9 DS |
463 | struct pattern_list pl; |
464 | struct strbuf match_all = STRBUF_INIT; | |
72918c1a | 465 | |
cff4e913 DS |
466 | repo_read_index(the_repository); |
467 | require_clean_work_tree(the_repository, | |
468 | N_("disable sparse-checkout"), NULL, 1, 0); | |
469 | ||
99dfa6f9 DS |
470 | memset(&pl, 0, sizeof(pl)); |
471 | hashmap_init(&pl.recursive_hashmap, pl_hashmap_cmp, NULL, 0); | |
472 | hashmap_init(&pl.parent_hashmap, pl_hashmap_cmp, NULL, 0); | |
473 | pl.use_cone_patterns = 0; | |
474 | core_apply_sparse_checkout = 1; | |
72918c1a | 475 | |
99dfa6f9 DS |
476 | strbuf_addstr(&match_all, "/*"); |
477 | add_pattern(strbuf_detach(&match_all, NULL), empty_base, 0, &pl, 0); | |
72918c1a | 478 | |
99dfa6f9 | 479 | if (update_working_directory(&pl)) |
72918c1a DS |
480 | die(_("error while refreshing working directory")); |
481 | ||
99dfa6f9 | 482 | clear_pattern_list(&pl); |
72918c1a DS |
483 | return set_config(MODE_NO_PATTERNS); |
484 | } | |
485 | ||
94c0956b DS |
486 | int cmd_sparse_checkout(int argc, const char **argv, const char *prefix) |
487 | { | |
488 | static struct option builtin_sparse_checkout_options[] = { | |
489 | OPT_END(), | |
490 | }; | |
491 | ||
492 | if (argc == 2 && !strcmp(argv[1], "-h")) | |
493 | usage_with_options(builtin_sparse_checkout_usage, | |
494 | builtin_sparse_checkout_options); | |
495 | ||
496 | argc = parse_options(argc, argv, prefix, | |
497 | builtin_sparse_checkout_options, | |
498 | builtin_sparse_checkout_usage, | |
499 | PARSE_OPT_STOP_AT_NON_OPTION); | |
500 | ||
501 | git_config(git_default_config, NULL); | |
502 | ||
503 | if (argc > 0) { | |
504 | if (!strcmp(argv[0], "list")) | |
505 | return sparse_checkout_list(argc, argv); | |
bab3c359 DS |
506 | if (!strcmp(argv[0], "init")) |
507 | return sparse_checkout_init(argc, argv); | |
f6039a94 DS |
508 | if (!strcmp(argv[0], "set")) |
509 | return sparse_checkout_set(argc, argv, prefix); | |
72918c1a DS |
510 | if (!strcmp(argv[0], "disable")) |
511 | return sparse_checkout_disable(argc, argv); | |
94c0956b DS |
512 | } |
513 | ||
514 | usage_with_options(builtin_sparse_checkout_usage, | |
515 | builtin_sparse_checkout_options); | |
516 | } |