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Commit | Line | Data |
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6f525e71 | 1 | #include "cache.h" |
0b027f6c | 2 | #include "abspath.h" |
b2141fc1 | 3 | #include "config.h" |
6f525e71 | 4 | #include "dir.h" |
32a8f510 | 5 | #include "environment.h" |
f394e093 | 6 | #include "gettext.h" |
6f525e71 | 7 | #include "pathspec.h" |
b0db7046 | 8 | #include "attr.h" |
d1cbe1e6 | 9 | #include "repository.h" |
e38da487 | 10 | #include "setup.h" |
dbbcd44f | 11 | #include "strvec.h" |
cb2a5135 | 12 | #include "symlinks.h" |
24e4750c | 13 | #include "quote.h" |
6f525e71 AS |
14 | |
15 | /* | |
16 | * Finds which of the given pathspecs match items in the index. | |
17 | * | |
18 | * For each pathspec, sets the corresponding entry in the seen[] array | |
19 | * (which should be specs items long, i.e. the same size as pathspec) | |
20 | * to the nature of the "closest" (i.e. most specific) match found for | |
21 | * that pathspec in the index, if it was a closer type of match than | |
22 | * the existing entry. As an optimization, matching is skipped | |
23 | * altogether if seen[] already only contains non-zero entries. | |
24 | * | |
25 | * If seen[] has not already been written to, it may make sense | |
4b78d7bc | 26 | * to use find_pathspecs_matching_against_index() instead. |
6f525e71 | 27 | */ |
84b8b5d1 | 28 | void add_pathspec_matches_against_index(const struct pathspec *pathspec, |
847a9e5d | 29 | struct index_state *istate, |
719630eb MT |
30 | char *seen, |
31 | enum ps_skip_worktree_action sw_action) | |
6f525e71 AS |
32 | { |
33 | int num_unmatched = 0, i; | |
34 | ||
35 | /* | |
36 | * Since we are walking the index as if we were walking the directory, | |
37 | * we have to mark the matched pathspec as seen; otherwise we will | |
38 | * mistakenly think that the user gave a pathspec that did not match | |
39 | * anything. | |
40 | */ | |
84b8b5d1 | 41 | for (i = 0; i < pathspec->nr; i++) |
6f525e71 AS |
42 | if (!seen[i]) |
43 | num_unmatched++; | |
44 | if (!num_unmatched) | |
45 | return; | |
08de9151 BW |
46 | for (i = 0; i < istate->cache_nr; i++) { |
47 | const struct cache_entry *ce = istate->cache[i]; | |
49fdd51a DS |
48 | if (sw_action == PS_IGNORE_SKIP_WORKTREE && |
49 | (ce_skip_worktree(ce) || !path_in_sparse_checkout(ce->name, istate))) | |
719630eb | 50 | continue; |
d17ef3a9 | 51 | ce_path_match(istate, ce, pathspec, seen); |
6f525e71 AS |
52 | } |
53 | } | |
54 | ||
55 | /* | |
56 | * Finds which of the given pathspecs match items in the index. | |
57 | * | |
4b78d7bc AS |
58 | * This is a one-shot wrapper around add_pathspec_matches_against_index() |
59 | * which allocates, populates, and returns a seen[] array indicating the | |
60 | * nature of the "closest" (i.e. most specific) matches which each of the | |
61 | * given pathspecs achieves against all items in the index. | |
6f525e71 | 62 | */ |
08de9151 | 63 | char *find_pathspecs_matching_against_index(const struct pathspec *pathspec, |
fe069dce | 64 | struct index_state *istate, |
719630eb | 65 | enum ps_skip_worktree_action sw_action) |
6f525e71 | 66 | { |
84b8b5d1 | 67 | char *seen = xcalloc(pathspec->nr, 1); |
719630eb | 68 | add_pathspec_matches_against_index(pathspec, istate, seen, sw_action); |
6f525e71 AS |
69 | return seen; |
70 | } | |
9d67b61f | 71 | |
a20f7047 MT |
72 | char *find_pathspecs_matching_skip_worktree(const struct pathspec *pathspec) |
73 | { | |
74 | struct index_state *istate = the_repository->index; | |
75 | char *seen = xcalloc(pathspec->nr, 1); | |
76 | int i; | |
77 | ||
78 | for (i = 0; i < istate->cache_nr; i++) { | |
79 | struct cache_entry *ce = istate->cache[i]; | |
49fdd51a | 80 | if (ce_skip_worktree(ce) || !path_in_sparse_checkout(ce->name, istate)) |
a20f7047 MT |
81 | ce_path_match(istate, ce, pathspec, seen); |
82 | } | |
83 | ||
6f525e71 AS |
84 | return seen; |
85 | } | |
9d67b61f AS |
86 | |
87 | /* | |
64acde94 NTND |
88 | * Magic pathspec |
89 | * | |
64acde94 NTND |
90 | * Possible future magic semantics include stuff like: |
91 | * | |
64acde94 NTND |
92 | * { PATHSPEC_RECURSIVE, '*', "recursive" }, |
93 | * { PATHSPEC_REGEXP, '\0', "regexp" }, | |
94 | * | |
95 | */ | |
64acde94 NTND |
96 | |
97 | static struct pathspec_magic { | |
98 | unsigned bit; | |
99 | char mnemonic; /* this cannot be ':'! */ | |
100 | const char *name; | |
101 | } pathspec_magic[] = { | |
4f1bf4d2 BW |
102 | { PATHSPEC_FROMTOP, '/', "top" }, |
103 | { PATHSPEC_LITERAL, '\0', "literal" }, | |
104 | { PATHSPEC_GLOB, '\0', "glob" }, | |
105 | { PATHSPEC_ICASE, '\0', "icase" }, | |
106 | { PATHSPEC_EXCLUDE, '!', "exclude" }, | |
b0db7046 | 107 | { PATHSPEC_ATTR, '\0', "attr" }, |
64acde94 NTND |
108 | }; |
109 | ||
5d8f084a | 110 | static void prefix_magic(struct strbuf *sb, int prefixlen, unsigned magic) |
1649612a NTND |
111 | { |
112 | int i; | |
113 | strbuf_addstr(sb, ":("); | |
114 | for (i = 0; i < ARRAY_SIZE(pathspec_magic); i++) | |
5d8f084a | 115 | if (magic & pathspec_magic[i].bit) { |
1649612a NTND |
116 | if (sb->buf[sb->len - 1] != '(') |
117 | strbuf_addch(sb, ','); | |
118 | strbuf_addstr(sb, pathspec_magic[i].name); | |
119 | } | |
120 | strbuf_addf(sb, ",prefix:%d)", prefixlen); | |
121 | } | |
122 | ||
c5af19f9 BW |
123 | static size_t strcspn_escaped(const char *s, const char *stop) |
124 | { | |
125 | const char *i; | |
126 | ||
127 | for (i = s; *i; i++) { | |
128 | /* skip the escaped character */ | |
129 | if (i[0] == '\\' && i[1]) { | |
130 | i++; | |
131 | continue; | |
132 | } | |
133 | ||
134 | if (strchr(stop, *i)) | |
135 | break; | |
136 | } | |
137 | return i - s; | |
138 | } | |
139 | ||
140 | static inline int invalid_value_char(const char ch) | |
141 | { | |
142 | if (isalnum(ch) || strchr(",-_", ch)) | |
143 | return 0; | |
144 | return -1; | |
145 | } | |
146 | ||
147 | static char *attr_value_unescape(const char *value) | |
148 | { | |
149 | const char *src; | |
150 | char *dst, *ret; | |
151 | ||
152 | ret = xmallocz(strlen(value)); | |
153 | for (src = value, dst = ret; *src; src++, dst++) { | |
154 | if (*src == '\\') { | |
155 | if (!src[1]) | |
156 | die(_("Escape character '\\' not allowed as " | |
157 | "last character in attr value")); | |
158 | src++; | |
159 | } | |
160 | if (invalid_value_char(*src)) | |
161 | die("cannot use '%c' for value matching", *src); | |
162 | *dst = *src; | |
163 | } | |
164 | *dst = '\0'; | |
165 | return ret; | |
166 | } | |
167 | ||
b0db7046 BW |
168 | static void parse_pathspec_attr_match(struct pathspec_item *item, const char *value) |
169 | { | |
170 | struct string_list_item *si; | |
171 | struct string_list list = STRING_LIST_INIT_DUP; | |
172 | ||
173 | if (item->attr_check || item->attr_match) | |
174 | die(_("Only one 'attr:' specification is allowed.")); | |
175 | ||
176 | if (!value || !*value) | |
177 | die(_("attr spec must not be empty")); | |
178 | ||
179 | string_list_split(&list, value, ' ', -1); | |
180 | string_list_remove_empty_items(&list, 0); | |
181 | ||
182 | item->attr_check = attr_check_alloc(); | |
ca56dadb | 183 | CALLOC_ARRAY(item->attr_match, list.nr); |
b0db7046 BW |
184 | |
185 | for_each_string_list_item(si, &list) { | |
186 | size_t attr_len; | |
187 | char *attr_name; | |
188 | const struct git_attr *a; | |
189 | ||
190 | int j = item->attr_match_nr++; | |
191 | const char *attr = si->string; | |
192 | struct attr_match *am = &item->attr_match[j]; | |
193 | ||
194 | switch (*attr) { | |
195 | case '!': | |
196 | am->match_mode = MATCH_UNSPECIFIED; | |
197 | attr++; | |
198 | attr_len = strlen(attr); | |
199 | break; | |
200 | case '-': | |
201 | am->match_mode = MATCH_UNSET; | |
202 | attr++; | |
203 | attr_len = strlen(attr); | |
204 | break; | |
205 | default: | |
206 | attr_len = strcspn(attr, "="); | |
207 | if (attr[attr_len] != '=') | |
208 | am->match_mode = MATCH_SET; | |
209 | else { | |
c5af19f9 | 210 | const char *v = &attr[attr_len + 1]; |
b0db7046 | 211 | am->match_mode = MATCH_VALUE; |
c5af19f9 | 212 | am->value = attr_value_unescape(v); |
b0db7046 BW |
213 | } |
214 | break; | |
215 | } | |
216 | ||
217 | attr_name = xmemdupz(attr, attr_len); | |
218 | a = git_attr(attr_name); | |
219 | if (!a) | |
220 | die(_("invalid attribute name %s"), attr_name); | |
221 | ||
222 | attr_check_append(item->attr_check, a); | |
223 | ||
224 | free(attr_name); | |
225 | } | |
226 | ||
227 | if (item->attr_check->nr != item->attr_match_nr) | |
033abf97 | 228 | BUG("should have same number of entries"); |
b0db7046 BW |
229 | |
230 | string_list_clear(&list, 0); | |
231 | } | |
232 | ||
db7e8598 BW |
233 | static inline int get_literal_global(void) |
234 | { | |
235 | static int literal = -1; | |
236 | ||
237 | if (literal < 0) | |
238 | literal = git_env_bool(GIT_LITERAL_PATHSPECS_ENVIRONMENT, 0); | |
239 | ||
240 | return literal; | |
241 | } | |
242 | ||
243 | static inline int get_glob_global(void) | |
244 | { | |
245 | static int glob = -1; | |
246 | ||
247 | if (glob < 0) | |
248 | glob = git_env_bool(GIT_GLOB_PATHSPECS_ENVIRONMENT, 0); | |
249 | ||
250 | return glob; | |
251 | } | |
252 | ||
253 | static inline int get_noglob_global(void) | |
254 | { | |
255 | static int noglob = -1; | |
256 | ||
257 | if (noglob < 0) | |
258 | noglob = git_env_bool(GIT_NOGLOB_PATHSPECS_ENVIRONMENT, 0); | |
259 | ||
260 | return noglob; | |
261 | } | |
262 | ||
263 | static inline int get_icase_global(void) | |
264 | { | |
265 | static int icase = -1; | |
266 | ||
267 | if (icase < 0) | |
268 | icase = git_env_bool(GIT_ICASE_PATHSPECS_ENVIRONMENT, 0); | |
269 | ||
270 | return icase; | |
271 | } | |
272 | ||
273 | static int get_global_magic(int element_magic) | |
274 | { | |
275 | int global_magic = 0; | |
276 | ||
277 | if (get_literal_global()) | |
278 | global_magic |= PATHSPEC_LITERAL; | |
279 | ||
280 | /* --glob-pathspec is overridden by :(literal) */ | |
281 | if (get_glob_global() && !(element_magic & PATHSPEC_LITERAL)) | |
282 | global_magic |= PATHSPEC_GLOB; | |
283 | ||
284 | if (get_glob_global() && get_noglob_global()) | |
285 | die(_("global 'glob' and 'noglob' pathspec settings are incompatible")); | |
286 | ||
287 | if (get_icase_global()) | |
288 | global_magic |= PATHSPEC_ICASE; | |
289 | ||
290 | if ((global_magic & PATHSPEC_LITERAL) && | |
291 | (global_magic & ~PATHSPEC_LITERAL)) | |
292 | die(_("global 'literal' pathspec setting is incompatible " | |
293 | "with all other global pathspec settings")); | |
294 | ||
295 | /* --noglob-pathspec adds :(literal) _unless_ :(glob) is specified */ | |
296 | if (get_noglob_global() && !(element_magic & PATHSPEC_GLOB)) | |
297 | global_magic |= PATHSPEC_LITERAL; | |
298 | ||
299 | return global_magic; | |
300 | } | |
301 | ||
8881fde0 BW |
302 | /* |
303 | * Parse the pathspec element looking for long magic | |
304 | * | |
305 | * saves all magic in 'magic' | |
306 | * if prefix magic is used, save the prefix length in 'prefix_len' | |
307 | * returns the position in 'elem' after all magic has been parsed | |
308 | */ | |
309 | static const char *parse_long_magic(unsigned *magic, int *prefix_len, | |
b0db7046 | 310 | struct pathspec_item *item, |
8881fde0 BW |
311 | const char *elem) |
312 | { | |
313 | const char *pos; | |
314 | const char *nextat; | |
315 | ||
316 | for (pos = elem + 2; *pos && *pos != ')'; pos = nextat) { | |
c5af19f9 | 317 | size_t len = strcspn_escaped(pos, ",)"); |
8881fde0 BW |
318 | int i; |
319 | ||
320 | if (pos[len] == ',') | |
321 | nextat = pos + len + 1; /* handle ',' */ | |
322 | else | |
323 | nextat = pos + len; /* handle ')' and '\0' */ | |
324 | ||
325 | if (!len) | |
326 | continue; | |
327 | ||
328 | if (starts_with(pos, "prefix:")) { | |
329 | char *endptr; | |
330 | *prefix_len = strtol(pos + 7, &endptr, 10); | |
331 | if (endptr - pos != len) | |
332 | die(_("invalid parameter for pathspec magic 'prefix'")); | |
333 | continue; | |
334 | } | |
335 | ||
b0db7046 BW |
336 | if (starts_with(pos, "attr:")) { |
337 | char *attr_body = xmemdupz(pos + 5, len - 5); | |
338 | parse_pathspec_attr_match(item, attr_body); | |
339 | *magic |= PATHSPEC_ATTR; | |
340 | free(attr_body); | |
341 | continue; | |
342 | } | |
343 | ||
8881fde0 BW |
344 | for (i = 0; i < ARRAY_SIZE(pathspec_magic); i++) { |
345 | if (strlen(pathspec_magic[i].name) == len && | |
346 | !strncmp(pathspec_magic[i].name, pos, len)) { | |
347 | *magic |= pathspec_magic[i].bit; | |
348 | break; | |
349 | } | |
350 | } | |
351 | ||
352 | if (ARRAY_SIZE(pathspec_magic) <= i) | |
353 | die(_("Invalid pathspec magic '%.*s' in '%s'"), | |
354 | (int) len, pos, elem); | |
355 | } | |
356 | ||
357 | if (*pos != ')') | |
358 | die(_("Missing ')' at the end of pathspec magic in '%s'"), | |
359 | elem); | |
360 | pos++; | |
361 | ||
362 | return pos; | |
363 | } | |
364 | ||
b4bebdce BW |
365 | /* |
366 | * Parse the pathspec element looking for short magic | |
367 | * | |
368 | * saves all magic in 'magic' | |
369 | * returns the position in 'elem' after all magic has been parsed | |
370 | */ | |
371 | static const char *parse_short_magic(unsigned *magic, const char *elem) | |
372 | { | |
373 | const char *pos; | |
374 | ||
375 | for (pos = elem + 1; *pos && *pos != ':'; pos++) { | |
376 | char ch = *pos; | |
377 | int i; | |
378 | ||
42ebeb9d LT |
379 | /* Special case alias for '!' */ |
380 | if (ch == '^') { | |
381 | *magic |= PATHSPEC_EXCLUDE; | |
382 | continue; | |
383 | } | |
384 | ||
b4bebdce BW |
385 | if (!is_pathspec_magic(ch)) |
386 | break; | |
387 | ||
388 | for (i = 0; i < ARRAY_SIZE(pathspec_magic); i++) { | |
389 | if (pathspec_magic[i].mnemonic == ch) { | |
390 | *magic |= pathspec_magic[i].bit; | |
391 | break; | |
392 | } | |
393 | } | |
394 | ||
395 | if (ARRAY_SIZE(pathspec_magic) <= i) | |
396 | die(_("Unimplemented pathspec magic '%c' in '%s'"), | |
397 | ch, elem); | |
398 | } | |
399 | ||
400 | if (*pos == ':') | |
401 | pos++; | |
402 | ||
403 | return pos; | |
404 | } | |
405 | ||
1b6112c5 | 406 | static const char *parse_element_magic(unsigned *magic, int *prefix_len, |
b0db7046 | 407 | struct pathspec_item *item, |
1b6112c5 BW |
408 | const char *elem) |
409 | { | |
410 | if (elem[0] != ':' || get_literal_global()) | |
411 | return elem; /* nothing to do */ | |
412 | else if (elem[1] == '(') | |
413 | /* longhand */ | |
b0db7046 | 414 | return parse_long_magic(magic, prefix_len, item, elem); |
1b6112c5 BW |
415 | else |
416 | /* shorthand */ | |
417 | return parse_short_magic(magic, elem); | |
418 | } | |
419 | ||
64acde94 | 420 | /* |
27ec4282 | 421 | * Perform the initialization of a pathspec_item based on a pathspec element. |
9d67b61f | 422 | */ |
27ec4282 BW |
423 | static void init_pathspec_item(struct pathspec_item *item, unsigned flags, |
424 | const char *prefix, int prefixlen, | |
425 | const char *elt) | |
9d67b61f | 426 | { |
db7e8598 | 427 | unsigned magic = 0, element_magic = 0; |
5d8f084a | 428 | const char *copyfrom = elt; |
87323bda | 429 | char *match; |
5590215b | 430 | int pathspec_prefix = -1; |
64acde94 | 431 | |
b0db7046 BW |
432 | item->attr_check = NULL; |
433 | item->attr_match = NULL; | |
434 | item->attr_match_nr = 0; | |
435 | ||
db7e8598 | 436 | /* PATHSPEC_LITERAL_PATH ignores magic */ |
1b6112c5 | 437 | if (flags & PATHSPEC_LITERAL_PATH) { |
db7e8598 | 438 | magic = PATHSPEC_LITERAL; |
1b6112c5 BW |
439 | } else { |
440 | copyfrom = parse_element_magic(&element_magic, | |
441 | &pathspec_prefix, | |
b0db7046 | 442 | item, |
1b6112c5 BW |
443 | elt); |
444 | magic |= element_magic; | |
db7e8598 | 445 | magic |= get_global_magic(element_magic); |
1b6112c5 | 446 | } |
87323bda | 447 | |
27ec4282 BW |
448 | item->magic = magic; |
449 | ||
233c3e6c NTND |
450 | if (pathspec_prefix >= 0 && |
451 | (prefixlen || (prefix && *prefix))) | |
033abf97 | 452 | BUG("'prefix' magic is supposed to be used at worktree's root"); |
233c3e6c | 453 | |
bd30c2e4 NTND |
454 | if ((magic & PATHSPEC_LITERAL) && (magic & PATHSPEC_GLOB)) |
455 | die(_("%s: 'literal' and 'glob' are incompatible"), elt); | |
456 | ||
4f1bf4d2 | 457 | /* Create match string which will be used for pathspec matching */ |
233c3e6c NTND |
458 | if (pathspec_prefix >= 0) { |
459 | match = xstrdup(copyfrom); | |
460 | prefixlen = pathspec_prefix; | |
461 | } else if (magic & PATHSPEC_FROMTOP) { | |
87323bda | 462 | match = xstrdup(copyfrom); |
645a29c4 NTND |
463 | prefixlen = 0; |
464 | } else { | |
4f1bf4d2 BW |
465 | match = prefix_path_gently(prefix, prefixlen, |
466 | &prefixlen, copyfrom); | |
5c203986 ES |
467 | if (!match) { |
468 | const char *hint_path = get_git_work_tree(); | |
469 | if (!hint_path) | |
470 | hint_path = get_git_dir(); | |
e0020b2f | 471 | die(_("%s: '%s' is outside repository at '%s'"), elt, |
5c203986 ES |
472 | copyfrom, absolute_path(hint_path)); |
473 | } | |
645a29c4 | 474 | } |
4f1bf4d2 | 475 | |
34305f77 | 476 | item->match = match; |
4f1bf4d2 BW |
477 | item->len = strlen(item->match); |
478 | item->prefix = prefixlen; | |
479 | ||
dad2586a NTND |
480 | /* |
481 | * Prefix the pathspec (keep all magic) and assign to | |
482 | * original. Useful for passing to another command. | |
483 | */ | |
5d8f084a | 484 | if ((flags & PATHSPEC_PREFIX_ORIGIN) && |
be4dbbbe | 485 | !get_literal_global()) { |
dad2586a | 486 | struct strbuf sb = STRBUF_INIT; |
5d8f084a BW |
487 | |
488 | /* Preserve the actual prefix length of each pattern */ | |
489 | prefix_magic(&sb, prefixlen, element_magic); | |
490 | ||
dad2586a NTND |
491 | strbuf_addstr(&sb, match); |
492 | item->original = strbuf_detach(&sb, NULL); | |
8aee769f BW |
493 | } else { |
494 | item->original = xstrdup(elt); | |
495 | } | |
b69bb3fc | 496 | |
4f1bf4d2 | 497 | if (magic & PATHSPEC_LITERAL) { |
87323bda | 498 | item->nowildcard_len = item->len; |
4f1bf4d2 | 499 | } else { |
87323bda | 500 | item->nowildcard_len = simple_length(item->match); |
645a29c4 NTND |
501 | if (item->nowildcard_len < prefixlen) |
502 | item->nowildcard_len = prefixlen; | |
503 | } | |
4f1bf4d2 | 504 | |
87323bda | 505 | item->flags = 0; |
bd30c2e4 NTND |
506 | if (magic & PATHSPEC_GLOB) { |
507 | /* | |
508 | * FIXME: should we enable ONESTAR in _GLOB for | |
509 | * pattern "* * / * . c"? | |
510 | */ | |
511 | } else { | |
512 | if (item->nowildcard_len < item->len && | |
513 | item->match[item->nowildcard_len] == '*' && | |
514 | no_wildcard(item->match + item->nowildcard_len + 1)) | |
515 | item->flags |= PATHSPEC_ONESTAR; | |
9d67b61f | 516 | } |
645a29c4 NTND |
517 | |
518 | /* sanity checks, pathspec matchers assume these are sane */ | |
2d81c48f SB |
519 | if (item->nowildcard_len > item->len || |
520 | item->prefix > item->len) { | |
c3c3486b | 521 | BUG("error initializing pathspec_item"); |
2d81c48f | 522 | } |
87323bda NTND |
523 | } |
524 | ||
525 | static int pathspec_item_cmp(const void *a_, const void *b_) | |
526 | { | |
527 | struct pathspec_item *a, *b; | |
528 | ||
529 | a = (struct pathspec_item *)a_; | |
530 | b = (struct pathspec_item *)b_; | |
531 | return strcmp(a->match, b->match); | |
532 | } | |
533 | ||
8e32caaa | 534 | void pathspec_magic_names(unsigned magic, struct strbuf *out) |
87323bda | 535 | { |
93f3ddb2 BW |
536 | int i; |
537 | for (i = 0; i < ARRAY_SIZE(pathspec_magic); i++) { | |
87323bda NTND |
538 | const struct pathspec_magic *m = pathspec_magic + i; |
539 | if (!(magic & m->bit)) | |
540 | continue; | |
8e32caaa JK |
541 | if (out->len) |
542 | strbuf_addstr(out, ", "); | |
2aee5849 BW |
543 | |
544 | if (m->mnemonic) | |
8e32caaa | 545 | strbuf_addf(out, _("'%s' (mnemonic: '%c')"), |
2aee5849 | 546 | m->name, m->mnemonic); |
87323bda | 547 | else |
8e32caaa | 548 | strbuf_addf(out, "'%s'", m->name); |
87323bda | 549 | } |
8e32caaa JK |
550 | } |
551 | ||
552 | static void NORETURN unsupported_magic(const char *pattern, | |
553 | unsigned magic) | |
554 | { | |
555 | struct strbuf sb = STRBUF_INIT; | |
556 | pathspec_magic_names(magic, &sb); | |
87323bda NTND |
557 | /* |
558 | * We may want to substitute "this command" with a command | |
5a7d41d8 | 559 | * name. E.g. when "git add -p" or "git add -i" dies when running |
87323bda NTND |
560 | * "checkout -p" |
561 | */ | |
562 | die(_("%s: pathspec magic not supported by this command: %s"), | |
563 | pattern, sb.buf); | |
9d67b61f | 564 | } |
512aaf94 | 565 | |
87323bda NTND |
566 | void parse_pathspec(struct pathspec *pathspec, |
567 | unsigned magic_mask, unsigned flags, | |
568 | const char *prefix, const char **argv) | |
512aaf94 | 569 | { |
87323bda NTND |
570 | struct pathspec_item *item; |
571 | const char *entry = argv ? *argv : NULL; | |
9e4e8a64 | 572 | int i, n, prefixlen, nr_exclude = 0; |
87323bda NTND |
573 | |
574 | memset(pathspec, 0, sizeof(*pathspec)); | |
575 | ||
6330a171 NTND |
576 | if (flags & PATHSPEC_MAXDEPTH_VALID) |
577 | pathspec->magic |= PATHSPEC_MAXDEPTH; | |
578 | ||
87323bda NTND |
579 | /* No arguments, no prefix -> no pathspec */ |
580 | if (!entry && !prefix) | |
581 | return; | |
582 | ||
fc12261f NTND |
583 | if ((flags & PATHSPEC_PREFER_CWD) && |
584 | (flags & PATHSPEC_PREFER_FULL)) | |
033abf97 | 585 | BUG("PATHSPEC_PREFER_CWD and PATHSPEC_PREFER_FULL are incompatible"); |
fc12261f | 586 | |
87323bda NTND |
587 | /* No arguments with prefix -> prefix pathspec */ |
588 | if (!entry) { | |
fc12261f NTND |
589 | if (flags & PATHSPEC_PREFER_FULL) |
590 | return; | |
591 | ||
592 | if (!(flags & PATHSPEC_PREFER_CWD)) | |
033abf97 | 593 | BUG("PATHSPEC_PREFER_CWD requires arguments"); |
fc12261f | 594 | |
ca56dadb | 595 | pathspec->items = CALLOC_ARRAY(item, 1); |
8aee769f BW |
596 | item->match = xstrdup(prefix); |
597 | item->original = xstrdup(prefix); | |
87323bda | 598 | item->nowildcard_len = item->len = strlen(prefix); |
645a29c4 | 599 | item->prefix = item->len; |
87323bda | 600 | pathspec->nr = 1; |
87323bda | 601 | return; |
512aaf94 | 602 | } |
87323bda NTND |
603 | |
604 | n = 0; | |
d426430e | 605 | while (argv[n]) { |
9e4e8a64 EX |
606 | if (*argv[n] == '\0') |
607 | die("empty string is not a valid pathspec. " | |
608 | "please use . instead if you meant to match all paths"); | |
87323bda | 609 | n++; |
d426430e | 610 | } |
87323bda NTND |
611 | |
612 | pathspec->nr = n; | |
859b7f1d | 613 | ALLOC_ARRAY(pathspec->items, n + 1); |
b32fa95f | 614 | item = pathspec->items; |
87323bda NTND |
615 | prefixlen = prefix ? strlen(prefix) : 0; |
616 | ||
617 | for (i = 0; i < n; i++) { | |
87323bda NTND |
618 | entry = argv[i]; |
619 | ||
27ec4282 | 620 | init_pathspec_item(item + i, flags, prefix, prefixlen, entry); |
db7e8598 | 621 | |
ef79b1f8 NTND |
622 | if (item[i].magic & PATHSPEC_EXCLUDE) |
623 | nr_exclude++; | |
87323bda | 624 | if (item[i].magic & magic_mask) |
2aee5849 | 625 | unsupported_magic(entry, item[i].magic & magic_mask); |
87450244 NTND |
626 | |
627 | if ((flags & PATHSPEC_SYMLINK_LEADING_PATH) && | |
628 | has_symlink_leading_path(item[i].match, item[i].len)) { | |
629 | die(_("pathspec '%s' is beyond a symbolic link"), entry); | |
630 | } | |
631 | ||
87323bda NTND |
632 | if (item[i].nowildcard_len < item[i].len) |
633 | pathspec->has_wildcard = 1; | |
634 | pathspec->magic |= item[i].magic; | |
635 | } | |
636 | ||
859b7f1d LT |
637 | /* |
638 | * If everything is an exclude pattern, add one positive pattern | |
64127575 | 639 | * that matches everything. We allocated an extra one for this. |
859b7f1d LT |
640 | */ |
641 | if (nr_exclude == n) { | |
642 | int plen = (!(flags & PATHSPEC_PREFER_CWD)) ? 0 : prefixlen; | |
b02fdbc8 | 643 | init_pathspec_item(item + n, 0, prefix, plen, "."); |
859b7f1d LT |
644 | pathspec->nr++; |
645 | } | |
931eab64 NTND |
646 | |
647 | if (pathspec->magic & PATHSPEC_MAXDEPTH) { | |
648 | if (flags & PATHSPEC_KEEP_ORDER) | |
033abf97 | 649 | BUG("PATHSPEC_MAXDEPTH_VALID and PATHSPEC_KEEP_ORDER are incompatible"); |
9ed0d8d6 | 650 | QSORT(pathspec->items, pathspec->nr, pathspec_item_cmp); |
931eab64 | 651 | } |
64acde94 NTND |
652 | } |
653 | ||
24e4750c AM |
654 | void parse_pathspec_file(struct pathspec *pathspec, unsigned magic_mask, |
655 | unsigned flags, const char *prefix, | |
656 | const char *file, int nul_term_line) | |
657 | { | |
c972bf4c | 658 | struct strvec parsed_file = STRVEC_INIT; |
24e4750c AM |
659 | strbuf_getline_fn getline_fn = nul_term_line ? strbuf_getline_nul : |
660 | strbuf_getline; | |
661 | struct strbuf buf = STRBUF_INIT; | |
662 | struct strbuf unquoted = STRBUF_INIT; | |
663 | FILE *in; | |
664 | ||
665 | if (!strcmp(file, "-")) | |
666 | in = stdin; | |
667 | else | |
668 | in = xfopen(file, "r"); | |
669 | ||
670 | while (getline_fn(&buf, in) != EOF) { | |
671 | if (!nul_term_line && buf.buf[0] == '"') { | |
672 | strbuf_reset(&unquoted); | |
673 | if (unquote_c_style(&unquoted, buf.buf, NULL)) | |
674 | die(_("line is badly quoted: %s"), buf.buf); | |
675 | strbuf_swap(&buf, &unquoted); | |
676 | } | |
c972bf4c | 677 | strvec_push(&parsed_file, buf.buf); |
24e4750c AM |
678 | strbuf_reset(&buf); |
679 | } | |
680 | ||
681 | strbuf_release(&unquoted); | |
682 | strbuf_release(&buf); | |
683 | if (in != stdin) | |
684 | fclose(in); | |
685 | ||
d70a9eb6 | 686 | parse_pathspec(pathspec, magic_mask, flags, prefix, parsed_file.v); |
c972bf4c | 687 | strvec_clear(&parsed_file); |
24e4750c AM |
688 | } |
689 | ||
e4d92cdc NTND |
690 | void copy_pathspec(struct pathspec *dst, const struct pathspec *src) |
691 | { | |
b0db7046 | 692 | int i, j; |
8aee769f | 693 | |
e4d92cdc | 694 | *dst = *src; |
6e578410 | 695 | DUP_ARRAY(dst->items, src->items, dst->nr); |
8aee769f BW |
696 | |
697 | for (i = 0; i < dst->nr; i++) { | |
b0db7046 BW |
698 | struct pathspec_item *d = &dst->items[i]; |
699 | struct pathspec_item *s = &src->items[i]; | |
700 | ||
701 | d->match = xstrdup(s->match); | |
702 | d->original = xstrdup(s->original); | |
703 | ||
6e578410 | 704 | DUP_ARRAY(d->attr_match, s->attr_match, d->attr_match_nr); |
b0db7046 BW |
705 | for (j = 0; j < d->attr_match_nr; j++) { |
706 | const char *value = s->attr_match[j].value; | |
707 | d->attr_match[j].value = xstrdup_or_null(value); | |
708 | } | |
709 | ||
710 | d->attr_check = attr_check_dup(s->attr_check); | |
8aee769f | 711 | } |
e4d92cdc | 712 | } |
9a087274 | 713 | |
ed6e8038 | 714 | void clear_pathspec(struct pathspec *pathspec) |
9a087274 | 715 | { |
b0db7046 | 716 | int i, j; |
8aee769f BW |
717 | |
718 | for (i = 0; i < pathspec->nr; i++) { | |
719 | free(pathspec->items[i].match); | |
720 | free(pathspec->items[i].original); | |
b0db7046 | 721 | |
5ce10c0a | 722 | for (j = 0; j < pathspec->items[i].attr_match_nr; j++) |
b0db7046 BW |
723 | free(pathspec->items[i].attr_match[j].value); |
724 | free(pathspec->items[i].attr_match); | |
725 | ||
726 | if (pathspec->items[i].attr_check) | |
727 | attr_check_free(pathspec->items[i].attr_check); | |
8aee769f | 728 | } |
b0db7046 | 729 | |
6a83d902 | 730 | FREE_AND_NULL(pathspec->items); |
8aee769f | 731 | pathspec->nr = 0; |
512aaf94 | 732 | } |
22af33be | 733 | |
847a9e5d | 734 | int match_pathspec_attrs(struct index_state *istate, |
22af33be NTND |
735 | const char *name, int namelen, |
736 | const struct pathspec_item *item) | |
737 | { | |
738 | int i; | |
739 | char *to_free = NULL; | |
740 | ||
741 | if (name[namelen]) | |
742 | name = to_free = xmemdupz(name, namelen); | |
743 | ||
44451a2e | 744 | git_check_attr(istate, name, item->attr_check); |
22af33be NTND |
745 | |
746 | free(to_free); | |
747 | ||
748 | for (i = 0; i < item->attr_match_nr; i++) { | |
749 | const char *value; | |
750 | int matched; | |
751 | enum attr_match_mode match_mode; | |
752 | ||
753 | value = item->attr_check->items[i].value; | |
754 | match_mode = item->attr_match[i].match_mode; | |
755 | ||
756 | if (ATTR_TRUE(value)) | |
757 | matched = (match_mode == MATCH_SET); | |
758 | else if (ATTR_FALSE(value)) | |
759 | matched = (match_mode == MATCH_UNSET); | |
760 | else if (ATTR_UNSET(value)) | |
761 | matched = (match_mode == MATCH_UNSPECIFIED); | |
762 | else | |
763 | matched = (match_mode == MATCH_VALUE && | |
764 | !strcmp(item->attr_match[i].value, value)); | |
765 | if (!matched) | |
766 | return 0; | |
767 | } | |
768 | ||
769 | return 1; | |
770 | } | |
b29ad383 SY |
771 | |
772 | int pathspec_needs_expanded_index(struct index_state *istate, | |
773 | const struct pathspec *pathspec) | |
774 | { | |
775 | unsigned int i, pos; | |
776 | int res = 0; | |
777 | char *skip_worktree_seen = NULL; | |
778 | ||
779 | /* | |
780 | * If index is not sparse, no index expansion is needed. | |
781 | */ | |
782 | if (!istate->sparse_index) | |
783 | return 0; | |
784 | ||
785 | /* | |
786 | * When using a magic pathspec, assume for the sake of simplicity that | |
787 | * the index needs to be expanded to match all matchable files. | |
788 | */ | |
789 | if (pathspec->magic) | |
790 | return 1; | |
791 | ||
792 | for (i = 0; i < pathspec->nr; i++) { | |
793 | struct pathspec_item item = pathspec->items[i]; | |
794 | ||
795 | /* | |
796 | * If the pathspec item has a wildcard, the index should be expanded | |
797 | * if the pathspec has the possibility of matching a subset of entries inside | |
798 | * of a sparse directory (but not the entire directory). | |
799 | * | |
800 | * If the pathspec item is a literal path, the index only needs to be expanded | |
801 | * if a) the pathspec isn't in the sparse checkout cone (to make sure we don't | |
802 | * expand for in-cone files) and b) it doesn't match any sparse directories | |
803 | * (since we can reset whole sparse directories without expanding them). | |
804 | */ | |
805 | if (item.nowildcard_len < item.len) { | |
806 | /* | |
807 | * Special case: if the pattern is a path inside the cone | |
808 | * followed by only wildcards, the pattern cannot match | |
809 | * partial sparse directories, so we know we don't need to | |
810 | * expand the index. | |
811 | * | |
812 | * Examples: | |
813 | * - in-cone/foo***: doesn't need expanded index | |
814 | * - not-in-cone/bar*: may need expanded index | |
815 | * - **.c: may need expanded index | |
816 | */ | |
817 | if (strspn(item.original + item.nowildcard_len, "*") == item.len - item.nowildcard_len && | |
818 | path_in_cone_mode_sparse_checkout(item.original, istate)) | |
819 | continue; | |
820 | ||
821 | for (pos = 0; pos < istate->cache_nr; pos++) { | |
822 | struct cache_entry *ce = istate->cache[pos]; | |
823 | ||
824 | if (!S_ISSPARSEDIR(ce->ce_mode)) | |
825 | continue; | |
826 | ||
827 | /* | |
828 | * If the pre-wildcard length is longer than the sparse | |
829 | * directory name and the sparse directory is the first | |
830 | * component of the pathspec, need to expand the index. | |
831 | */ | |
832 | if (item.nowildcard_len > ce_namelen(ce) && | |
833 | !strncmp(item.original, ce->name, ce_namelen(ce))) { | |
834 | res = 1; | |
835 | break; | |
836 | } | |
837 | ||
838 | /* | |
839 | * If the pre-wildcard length is shorter than the sparse | |
840 | * directory and the pathspec does not match the whole | |
841 | * directory, need to expand the index. | |
842 | */ | |
843 | if (!strncmp(item.original, ce->name, item.nowildcard_len) && | |
844 | wildmatch(item.original, ce->name, 0)) { | |
845 | res = 1; | |
846 | break; | |
847 | } | |
848 | } | |
849 | } else if (!path_in_cone_mode_sparse_checkout(item.original, istate) && | |
850 | !matches_skip_worktree(pathspec, i, &skip_worktree_seen)) | |
851 | res = 1; | |
852 | ||
853 | if (res > 0) | |
854 | break; | |
855 | } | |
856 | ||
857 | free(skip_worktree_seen); | |
858 | return res; | |
859 | } |