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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" |
f394e093 | 5 | #include "gettext.h" |
6f525e71 | 6 | #include "pathspec.h" |
b0db7046 | 7 | #include "attr.h" |
dbbcd44f | 8 | #include "strvec.h" |
24e4750c | 9 | #include "quote.h" |
6f525e71 AS |
10 | |
11 | /* | |
12 | * Finds which of the given pathspecs match items in the index. | |
13 | * | |
14 | * For each pathspec, sets the corresponding entry in the seen[] array | |
15 | * (which should be specs items long, i.e. the same size as pathspec) | |
16 | * to the nature of the "closest" (i.e. most specific) match found for | |
17 | * that pathspec in the index, if it was a closer type of match than | |
18 | * the existing entry. As an optimization, matching is skipped | |
19 | * altogether if seen[] already only contains non-zero entries. | |
20 | * | |
21 | * If seen[] has not already been written to, it may make sense | |
4b78d7bc | 22 | * to use find_pathspecs_matching_against_index() instead. |
6f525e71 | 23 | */ |
84b8b5d1 | 24 | void add_pathspec_matches_against_index(const struct pathspec *pathspec, |
847a9e5d | 25 | struct index_state *istate, |
719630eb MT |
26 | char *seen, |
27 | enum ps_skip_worktree_action sw_action) | |
6f525e71 AS |
28 | { |
29 | int num_unmatched = 0, i; | |
30 | ||
31 | /* | |
32 | * Since we are walking the index as if we were walking the directory, | |
33 | * we have to mark the matched pathspec as seen; otherwise we will | |
34 | * mistakenly think that the user gave a pathspec that did not match | |
35 | * anything. | |
36 | */ | |
84b8b5d1 | 37 | for (i = 0; i < pathspec->nr; i++) |
6f525e71 AS |
38 | if (!seen[i]) |
39 | num_unmatched++; | |
40 | if (!num_unmatched) | |
41 | return; | |
08de9151 BW |
42 | for (i = 0; i < istate->cache_nr; i++) { |
43 | const struct cache_entry *ce = istate->cache[i]; | |
49fdd51a DS |
44 | if (sw_action == PS_IGNORE_SKIP_WORKTREE && |
45 | (ce_skip_worktree(ce) || !path_in_sparse_checkout(ce->name, istate))) | |
719630eb | 46 | continue; |
d17ef3a9 | 47 | ce_path_match(istate, ce, pathspec, seen); |
6f525e71 AS |
48 | } |
49 | } | |
50 | ||
51 | /* | |
52 | * Finds which of the given pathspecs match items in the index. | |
53 | * | |
4b78d7bc AS |
54 | * This is a one-shot wrapper around add_pathspec_matches_against_index() |
55 | * which allocates, populates, and returns a seen[] array indicating the | |
56 | * nature of the "closest" (i.e. most specific) matches which each of the | |
57 | * given pathspecs achieves against all items in the index. | |
6f525e71 | 58 | */ |
08de9151 | 59 | char *find_pathspecs_matching_against_index(const struct pathspec *pathspec, |
fe069dce | 60 | struct index_state *istate, |
719630eb | 61 | enum ps_skip_worktree_action sw_action) |
6f525e71 | 62 | { |
84b8b5d1 | 63 | char *seen = xcalloc(pathspec->nr, 1); |
719630eb | 64 | add_pathspec_matches_against_index(pathspec, istate, seen, sw_action); |
6f525e71 AS |
65 | return seen; |
66 | } | |
9d67b61f | 67 | |
a20f7047 MT |
68 | char *find_pathspecs_matching_skip_worktree(const struct pathspec *pathspec) |
69 | { | |
70 | struct index_state *istate = the_repository->index; | |
71 | char *seen = xcalloc(pathspec->nr, 1); | |
72 | int i; | |
73 | ||
74 | for (i = 0; i < istate->cache_nr; i++) { | |
75 | struct cache_entry *ce = istate->cache[i]; | |
49fdd51a | 76 | if (ce_skip_worktree(ce) || !path_in_sparse_checkout(ce->name, istate)) |
a20f7047 MT |
77 | ce_path_match(istate, ce, pathspec, seen); |
78 | } | |
79 | ||
6f525e71 AS |
80 | return seen; |
81 | } | |
9d67b61f AS |
82 | |
83 | /* | |
64acde94 NTND |
84 | * Magic pathspec |
85 | * | |
64acde94 NTND |
86 | * Possible future magic semantics include stuff like: |
87 | * | |
64acde94 NTND |
88 | * { PATHSPEC_RECURSIVE, '*', "recursive" }, |
89 | * { PATHSPEC_REGEXP, '\0', "regexp" }, | |
90 | * | |
91 | */ | |
64acde94 NTND |
92 | |
93 | static struct pathspec_magic { | |
94 | unsigned bit; | |
95 | char mnemonic; /* this cannot be ':'! */ | |
96 | const char *name; | |
97 | } pathspec_magic[] = { | |
4f1bf4d2 BW |
98 | { PATHSPEC_FROMTOP, '/', "top" }, |
99 | { PATHSPEC_LITERAL, '\0', "literal" }, | |
100 | { PATHSPEC_GLOB, '\0', "glob" }, | |
101 | { PATHSPEC_ICASE, '\0', "icase" }, | |
102 | { PATHSPEC_EXCLUDE, '!', "exclude" }, | |
b0db7046 | 103 | { PATHSPEC_ATTR, '\0', "attr" }, |
64acde94 NTND |
104 | }; |
105 | ||
5d8f084a | 106 | static void prefix_magic(struct strbuf *sb, int prefixlen, unsigned magic) |
1649612a NTND |
107 | { |
108 | int i; | |
109 | strbuf_addstr(sb, ":("); | |
110 | for (i = 0; i < ARRAY_SIZE(pathspec_magic); i++) | |
5d8f084a | 111 | if (magic & pathspec_magic[i].bit) { |
1649612a NTND |
112 | if (sb->buf[sb->len - 1] != '(') |
113 | strbuf_addch(sb, ','); | |
114 | strbuf_addstr(sb, pathspec_magic[i].name); | |
115 | } | |
116 | strbuf_addf(sb, ",prefix:%d)", prefixlen); | |
117 | } | |
118 | ||
c5af19f9 BW |
119 | static size_t strcspn_escaped(const char *s, const char *stop) |
120 | { | |
121 | const char *i; | |
122 | ||
123 | for (i = s; *i; i++) { | |
124 | /* skip the escaped character */ | |
125 | if (i[0] == '\\' && i[1]) { | |
126 | i++; | |
127 | continue; | |
128 | } | |
129 | ||
130 | if (strchr(stop, *i)) | |
131 | break; | |
132 | } | |
133 | return i - s; | |
134 | } | |
135 | ||
136 | static inline int invalid_value_char(const char ch) | |
137 | { | |
138 | if (isalnum(ch) || strchr(",-_", ch)) | |
139 | return 0; | |
140 | return -1; | |
141 | } | |
142 | ||
143 | static char *attr_value_unescape(const char *value) | |
144 | { | |
145 | const char *src; | |
146 | char *dst, *ret; | |
147 | ||
148 | ret = xmallocz(strlen(value)); | |
149 | for (src = value, dst = ret; *src; src++, dst++) { | |
150 | if (*src == '\\') { | |
151 | if (!src[1]) | |
152 | die(_("Escape character '\\' not allowed as " | |
153 | "last character in attr value")); | |
154 | src++; | |
155 | } | |
156 | if (invalid_value_char(*src)) | |
157 | die("cannot use '%c' for value matching", *src); | |
158 | *dst = *src; | |
159 | } | |
160 | *dst = '\0'; | |
161 | return ret; | |
162 | } | |
163 | ||
b0db7046 BW |
164 | static void parse_pathspec_attr_match(struct pathspec_item *item, const char *value) |
165 | { | |
166 | struct string_list_item *si; | |
167 | struct string_list list = STRING_LIST_INIT_DUP; | |
168 | ||
169 | if (item->attr_check || item->attr_match) | |
170 | die(_("Only one 'attr:' specification is allowed.")); | |
171 | ||
172 | if (!value || !*value) | |
173 | die(_("attr spec must not be empty")); | |
174 | ||
175 | string_list_split(&list, value, ' ', -1); | |
176 | string_list_remove_empty_items(&list, 0); | |
177 | ||
178 | item->attr_check = attr_check_alloc(); | |
ca56dadb | 179 | CALLOC_ARRAY(item->attr_match, list.nr); |
b0db7046 BW |
180 | |
181 | for_each_string_list_item(si, &list) { | |
182 | size_t attr_len; | |
183 | char *attr_name; | |
184 | const struct git_attr *a; | |
185 | ||
186 | int j = item->attr_match_nr++; | |
187 | const char *attr = si->string; | |
188 | struct attr_match *am = &item->attr_match[j]; | |
189 | ||
190 | switch (*attr) { | |
191 | case '!': | |
192 | am->match_mode = MATCH_UNSPECIFIED; | |
193 | attr++; | |
194 | attr_len = strlen(attr); | |
195 | break; | |
196 | case '-': | |
197 | am->match_mode = MATCH_UNSET; | |
198 | attr++; | |
199 | attr_len = strlen(attr); | |
200 | break; | |
201 | default: | |
202 | attr_len = strcspn(attr, "="); | |
203 | if (attr[attr_len] != '=') | |
204 | am->match_mode = MATCH_SET; | |
205 | else { | |
c5af19f9 | 206 | const char *v = &attr[attr_len + 1]; |
b0db7046 | 207 | am->match_mode = MATCH_VALUE; |
c5af19f9 | 208 | am->value = attr_value_unescape(v); |
b0db7046 BW |
209 | } |
210 | break; | |
211 | } | |
212 | ||
213 | attr_name = xmemdupz(attr, attr_len); | |
214 | a = git_attr(attr_name); | |
215 | if (!a) | |
216 | die(_("invalid attribute name %s"), attr_name); | |
217 | ||
218 | attr_check_append(item->attr_check, a); | |
219 | ||
220 | free(attr_name); | |
221 | } | |
222 | ||
223 | if (item->attr_check->nr != item->attr_match_nr) | |
033abf97 | 224 | BUG("should have same number of entries"); |
b0db7046 BW |
225 | |
226 | string_list_clear(&list, 0); | |
227 | } | |
228 | ||
db7e8598 BW |
229 | static inline int get_literal_global(void) |
230 | { | |
231 | static int literal = -1; | |
232 | ||
233 | if (literal < 0) | |
234 | literal = git_env_bool(GIT_LITERAL_PATHSPECS_ENVIRONMENT, 0); | |
235 | ||
236 | return literal; | |
237 | } | |
238 | ||
239 | static inline int get_glob_global(void) | |
240 | { | |
241 | static int glob = -1; | |
242 | ||
243 | if (glob < 0) | |
244 | glob = git_env_bool(GIT_GLOB_PATHSPECS_ENVIRONMENT, 0); | |
245 | ||
246 | return glob; | |
247 | } | |
248 | ||
249 | static inline int get_noglob_global(void) | |
250 | { | |
251 | static int noglob = -1; | |
252 | ||
253 | if (noglob < 0) | |
254 | noglob = git_env_bool(GIT_NOGLOB_PATHSPECS_ENVIRONMENT, 0); | |
255 | ||
256 | return noglob; | |
257 | } | |
258 | ||
259 | static inline int get_icase_global(void) | |
260 | { | |
261 | static int icase = -1; | |
262 | ||
263 | if (icase < 0) | |
264 | icase = git_env_bool(GIT_ICASE_PATHSPECS_ENVIRONMENT, 0); | |
265 | ||
266 | return icase; | |
267 | } | |
268 | ||
269 | static int get_global_magic(int element_magic) | |
270 | { | |
271 | int global_magic = 0; | |
272 | ||
273 | if (get_literal_global()) | |
274 | global_magic |= PATHSPEC_LITERAL; | |
275 | ||
276 | /* --glob-pathspec is overridden by :(literal) */ | |
277 | if (get_glob_global() && !(element_magic & PATHSPEC_LITERAL)) | |
278 | global_magic |= PATHSPEC_GLOB; | |
279 | ||
280 | if (get_glob_global() && get_noglob_global()) | |
281 | die(_("global 'glob' and 'noglob' pathspec settings are incompatible")); | |
282 | ||
283 | if (get_icase_global()) | |
284 | global_magic |= PATHSPEC_ICASE; | |
285 | ||
286 | if ((global_magic & PATHSPEC_LITERAL) && | |
287 | (global_magic & ~PATHSPEC_LITERAL)) | |
288 | die(_("global 'literal' pathspec setting is incompatible " | |
289 | "with all other global pathspec settings")); | |
290 | ||
291 | /* --noglob-pathspec adds :(literal) _unless_ :(glob) is specified */ | |
292 | if (get_noglob_global() && !(element_magic & PATHSPEC_GLOB)) | |
293 | global_magic |= PATHSPEC_LITERAL; | |
294 | ||
295 | return global_magic; | |
296 | } | |
297 | ||
8881fde0 BW |
298 | /* |
299 | * Parse the pathspec element looking for long magic | |
300 | * | |
301 | * saves all magic in 'magic' | |
302 | * if prefix magic is used, save the prefix length in 'prefix_len' | |
303 | * returns the position in 'elem' after all magic has been parsed | |
304 | */ | |
305 | static const char *parse_long_magic(unsigned *magic, int *prefix_len, | |
b0db7046 | 306 | struct pathspec_item *item, |
8881fde0 BW |
307 | const char *elem) |
308 | { | |
309 | const char *pos; | |
310 | const char *nextat; | |
311 | ||
312 | for (pos = elem + 2; *pos && *pos != ')'; pos = nextat) { | |
c5af19f9 | 313 | size_t len = strcspn_escaped(pos, ",)"); |
8881fde0 BW |
314 | int i; |
315 | ||
316 | if (pos[len] == ',') | |
317 | nextat = pos + len + 1; /* handle ',' */ | |
318 | else | |
319 | nextat = pos + len; /* handle ')' and '\0' */ | |
320 | ||
321 | if (!len) | |
322 | continue; | |
323 | ||
324 | if (starts_with(pos, "prefix:")) { | |
325 | char *endptr; | |
326 | *prefix_len = strtol(pos + 7, &endptr, 10); | |
327 | if (endptr - pos != len) | |
328 | die(_("invalid parameter for pathspec magic 'prefix'")); | |
329 | continue; | |
330 | } | |
331 | ||
b0db7046 BW |
332 | if (starts_with(pos, "attr:")) { |
333 | char *attr_body = xmemdupz(pos + 5, len - 5); | |
334 | parse_pathspec_attr_match(item, attr_body); | |
335 | *magic |= PATHSPEC_ATTR; | |
336 | free(attr_body); | |
337 | continue; | |
338 | } | |
339 | ||
8881fde0 BW |
340 | for (i = 0; i < ARRAY_SIZE(pathspec_magic); i++) { |
341 | if (strlen(pathspec_magic[i].name) == len && | |
342 | !strncmp(pathspec_magic[i].name, pos, len)) { | |
343 | *magic |= pathspec_magic[i].bit; | |
344 | break; | |
345 | } | |
346 | } | |
347 | ||
348 | if (ARRAY_SIZE(pathspec_magic) <= i) | |
349 | die(_("Invalid pathspec magic '%.*s' in '%s'"), | |
350 | (int) len, pos, elem); | |
351 | } | |
352 | ||
353 | if (*pos != ')') | |
354 | die(_("Missing ')' at the end of pathspec magic in '%s'"), | |
355 | elem); | |
356 | pos++; | |
357 | ||
358 | return pos; | |
359 | } | |
360 | ||
b4bebdce BW |
361 | /* |
362 | * Parse the pathspec element looking for short magic | |
363 | * | |
364 | * saves all magic in 'magic' | |
365 | * returns the position in 'elem' after all magic has been parsed | |
366 | */ | |
367 | static const char *parse_short_magic(unsigned *magic, const char *elem) | |
368 | { | |
369 | const char *pos; | |
370 | ||
371 | for (pos = elem + 1; *pos && *pos != ':'; pos++) { | |
372 | char ch = *pos; | |
373 | int i; | |
374 | ||
42ebeb9d LT |
375 | /* Special case alias for '!' */ |
376 | if (ch == '^') { | |
377 | *magic |= PATHSPEC_EXCLUDE; | |
378 | continue; | |
379 | } | |
380 | ||
b4bebdce BW |
381 | if (!is_pathspec_magic(ch)) |
382 | break; | |
383 | ||
384 | for (i = 0; i < ARRAY_SIZE(pathspec_magic); i++) { | |
385 | if (pathspec_magic[i].mnemonic == ch) { | |
386 | *magic |= pathspec_magic[i].bit; | |
387 | break; | |
388 | } | |
389 | } | |
390 | ||
391 | if (ARRAY_SIZE(pathspec_magic) <= i) | |
392 | die(_("Unimplemented pathspec magic '%c' in '%s'"), | |
393 | ch, elem); | |
394 | } | |
395 | ||
396 | if (*pos == ':') | |
397 | pos++; | |
398 | ||
399 | return pos; | |
400 | } | |
401 | ||
1b6112c5 | 402 | static const char *parse_element_magic(unsigned *magic, int *prefix_len, |
b0db7046 | 403 | struct pathspec_item *item, |
1b6112c5 BW |
404 | const char *elem) |
405 | { | |
406 | if (elem[0] != ':' || get_literal_global()) | |
407 | return elem; /* nothing to do */ | |
408 | else if (elem[1] == '(') | |
409 | /* longhand */ | |
b0db7046 | 410 | return parse_long_magic(magic, prefix_len, item, elem); |
1b6112c5 BW |
411 | else |
412 | /* shorthand */ | |
413 | return parse_short_magic(magic, elem); | |
414 | } | |
415 | ||
64acde94 | 416 | /* |
27ec4282 | 417 | * Perform the initialization of a pathspec_item based on a pathspec element. |
9d67b61f | 418 | */ |
27ec4282 BW |
419 | static void init_pathspec_item(struct pathspec_item *item, unsigned flags, |
420 | const char *prefix, int prefixlen, | |
421 | const char *elt) | |
9d67b61f | 422 | { |
db7e8598 | 423 | unsigned magic = 0, element_magic = 0; |
5d8f084a | 424 | const char *copyfrom = elt; |
87323bda | 425 | char *match; |
5590215b | 426 | int pathspec_prefix = -1; |
64acde94 | 427 | |
b0db7046 BW |
428 | item->attr_check = NULL; |
429 | item->attr_match = NULL; | |
430 | item->attr_match_nr = 0; | |
431 | ||
db7e8598 | 432 | /* PATHSPEC_LITERAL_PATH ignores magic */ |
1b6112c5 | 433 | if (flags & PATHSPEC_LITERAL_PATH) { |
db7e8598 | 434 | magic = PATHSPEC_LITERAL; |
1b6112c5 BW |
435 | } else { |
436 | copyfrom = parse_element_magic(&element_magic, | |
437 | &pathspec_prefix, | |
b0db7046 | 438 | item, |
1b6112c5 BW |
439 | elt); |
440 | magic |= element_magic; | |
db7e8598 | 441 | magic |= get_global_magic(element_magic); |
1b6112c5 | 442 | } |
87323bda | 443 | |
27ec4282 BW |
444 | item->magic = magic; |
445 | ||
233c3e6c NTND |
446 | if (pathspec_prefix >= 0 && |
447 | (prefixlen || (prefix && *prefix))) | |
033abf97 | 448 | BUG("'prefix' magic is supposed to be used at worktree's root"); |
233c3e6c | 449 | |
bd30c2e4 NTND |
450 | if ((magic & PATHSPEC_LITERAL) && (magic & PATHSPEC_GLOB)) |
451 | die(_("%s: 'literal' and 'glob' are incompatible"), elt); | |
452 | ||
4f1bf4d2 | 453 | /* Create match string which will be used for pathspec matching */ |
233c3e6c NTND |
454 | if (pathspec_prefix >= 0) { |
455 | match = xstrdup(copyfrom); | |
456 | prefixlen = pathspec_prefix; | |
457 | } else if (magic & PATHSPEC_FROMTOP) { | |
87323bda | 458 | match = xstrdup(copyfrom); |
645a29c4 NTND |
459 | prefixlen = 0; |
460 | } else { | |
4f1bf4d2 BW |
461 | match = prefix_path_gently(prefix, prefixlen, |
462 | &prefixlen, copyfrom); | |
5c203986 ES |
463 | if (!match) { |
464 | const char *hint_path = get_git_work_tree(); | |
465 | if (!hint_path) | |
466 | hint_path = get_git_dir(); | |
e0020b2f | 467 | die(_("%s: '%s' is outside repository at '%s'"), elt, |
5c203986 ES |
468 | copyfrom, absolute_path(hint_path)); |
469 | } | |
645a29c4 | 470 | } |
4f1bf4d2 | 471 | |
34305f77 | 472 | item->match = match; |
4f1bf4d2 BW |
473 | item->len = strlen(item->match); |
474 | item->prefix = prefixlen; | |
475 | ||
dad2586a NTND |
476 | /* |
477 | * Prefix the pathspec (keep all magic) and assign to | |
478 | * original. Useful for passing to another command. | |
479 | */ | |
5d8f084a | 480 | if ((flags & PATHSPEC_PREFIX_ORIGIN) && |
be4dbbbe | 481 | !get_literal_global()) { |
dad2586a | 482 | struct strbuf sb = STRBUF_INIT; |
5d8f084a BW |
483 | |
484 | /* Preserve the actual prefix length of each pattern */ | |
485 | prefix_magic(&sb, prefixlen, element_magic); | |
486 | ||
dad2586a NTND |
487 | strbuf_addstr(&sb, match); |
488 | item->original = strbuf_detach(&sb, NULL); | |
8aee769f BW |
489 | } else { |
490 | item->original = xstrdup(elt); | |
491 | } | |
b69bb3fc | 492 | |
4f1bf4d2 | 493 | if (magic & PATHSPEC_LITERAL) { |
87323bda | 494 | item->nowildcard_len = item->len; |
4f1bf4d2 | 495 | } else { |
87323bda | 496 | item->nowildcard_len = simple_length(item->match); |
645a29c4 NTND |
497 | if (item->nowildcard_len < prefixlen) |
498 | item->nowildcard_len = prefixlen; | |
499 | } | |
4f1bf4d2 | 500 | |
87323bda | 501 | item->flags = 0; |
bd30c2e4 NTND |
502 | if (magic & PATHSPEC_GLOB) { |
503 | /* | |
504 | * FIXME: should we enable ONESTAR in _GLOB for | |
505 | * pattern "* * / * . c"? | |
506 | */ | |
507 | } else { | |
508 | if (item->nowildcard_len < item->len && | |
509 | item->match[item->nowildcard_len] == '*' && | |
510 | no_wildcard(item->match + item->nowildcard_len + 1)) | |
511 | item->flags |= PATHSPEC_ONESTAR; | |
9d67b61f | 512 | } |
645a29c4 NTND |
513 | |
514 | /* sanity checks, pathspec matchers assume these are sane */ | |
2d81c48f SB |
515 | if (item->nowildcard_len > item->len || |
516 | item->prefix > item->len) { | |
c3c3486b | 517 | BUG("error initializing pathspec_item"); |
2d81c48f | 518 | } |
87323bda NTND |
519 | } |
520 | ||
521 | static int pathspec_item_cmp(const void *a_, const void *b_) | |
522 | { | |
523 | struct pathspec_item *a, *b; | |
524 | ||
525 | a = (struct pathspec_item *)a_; | |
526 | b = (struct pathspec_item *)b_; | |
527 | return strcmp(a->match, b->match); | |
528 | } | |
529 | ||
530 | static void NORETURN unsupported_magic(const char *pattern, | |
2aee5849 | 531 | unsigned magic) |
87323bda NTND |
532 | { |
533 | struct strbuf sb = STRBUF_INIT; | |
93f3ddb2 BW |
534 | int i; |
535 | for (i = 0; i < ARRAY_SIZE(pathspec_magic); i++) { | |
87323bda NTND |
536 | const struct pathspec_magic *m = pathspec_magic + i; |
537 | if (!(magic & m->bit)) | |
538 | continue; | |
539 | if (sb.len) | |
2aee5849 BW |
540 | strbuf_addstr(&sb, ", "); |
541 | ||
542 | if (m->mnemonic) | |
543 | strbuf_addf(&sb, _("'%s' (mnemonic: '%c')"), | |
544 | m->name, m->mnemonic); | |
87323bda NTND |
545 | else |
546 | strbuf_addf(&sb, "'%s'", m->name); | |
87323bda NTND |
547 | } |
548 | /* | |
549 | * We may want to substitute "this command" with a command | |
5a7d41d8 | 550 | * name. E.g. when "git add -p" or "git add -i" dies when running |
87323bda NTND |
551 | * "checkout -p" |
552 | */ | |
553 | die(_("%s: pathspec magic not supported by this command: %s"), | |
554 | pattern, sb.buf); | |
9d67b61f | 555 | } |
512aaf94 | 556 | |
87323bda NTND |
557 | void parse_pathspec(struct pathspec *pathspec, |
558 | unsigned magic_mask, unsigned flags, | |
559 | const char *prefix, const char **argv) | |
512aaf94 | 560 | { |
87323bda NTND |
561 | struct pathspec_item *item; |
562 | const char *entry = argv ? *argv : NULL; | |
9e4e8a64 | 563 | int i, n, prefixlen, nr_exclude = 0; |
87323bda NTND |
564 | |
565 | memset(pathspec, 0, sizeof(*pathspec)); | |
566 | ||
6330a171 NTND |
567 | if (flags & PATHSPEC_MAXDEPTH_VALID) |
568 | pathspec->magic |= PATHSPEC_MAXDEPTH; | |
569 | ||
87323bda NTND |
570 | /* No arguments, no prefix -> no pathspec */ |
571 | if (!entry && !prefix) | |
572 | return; | |
573 | ||
fc12261f NTND |
574 | if ((flags & PATHSPEC_PREFER_CWD) && |
575 | (flags & PATHSPEC_PREFER_FULL)) | |
033abf97 | 576 | BUG("PATHSPEC_PREFER_CWD and PATHSPEC_PREFER_FULL are incompatible"); |
fc12261f | 577 | |
87323bda NTND |
578 | /* No arguments with prefix -> prefix pathspec */ |
579 | if (!entry) { | |
fc12261f NTND |
580 | if (flags & PATHSPEC_PREFER_FULL) |
581 | return; | |
582 | ||
583 | if (!(flags & PATHSPEC_PREFER_CWD)) | |
033abf97 | 584 | BUG("PATHSPEC_PREFER_CWD requires arguments"); |
fc12261f | 585 | |
ca56dadb | 586 | pathspec->items = CALLOC_ARRAY(item, 1); |
8aee769f BW |
587 | item->match = xstrdup(prefix); |
588 | item->original = xstrdup(prefix); | |
87323bda | 589 | item->nowildcard_len = item->len = strlen(prefix); |
645a29c4 | 590 | item->prefix = item->len; |
87323bda | 591 | pathspec->nr = 1; |
87323bda | 592 | return; |
512aaf94 | 593 | } |
87323bda NTND |
594 | |
595 | n = 0; | |
d426430e | 596 | while (argv[n]) { |
9e4e8a64 EX |
597 | if (*argv[n] == '\0') |
598 | die("empty string is not a valid pathspec. " | |
599 | "please use . instead if you meant to match all paths"); | |
87323bda | 600 | n++; |
d426430e | 601 | } |
87323bda NTND |
602 | |
603 | pathspec->nr = n; | |
859b7f1d | 604 | ALLOC_ARRAY(pathspec->items, n + 1); |
b32fa95f | 605 | item = pathspec->items; |
87323bda NTND |
606 | prefixlen = prefix ? strlen(prefix) : 0; |
607 | ||
608 | for (i = 0; i < n; i++) { | |
87323bda NTND |
609 | entry = argv[i]; |
610 | ||
27ec4282 | 611 | init_pathspec_item(item + i, flags, prefix, prefixlen, entry); |
db7e8598 | 612 | |
ef79b1f8 NTND |
613 | if (item[i].magic & PATHSPEC_EXCLUDE) |
614 | nr_exclude++; | |
87323bda | 615 | if (item[i].magic & magic_mask) |
2aee5849 | 616 | unsupported_magic(entry, item[i].magic & magic_mask); |
87450244 NTND |
617 | |
618 | if ((flags & PATHSPEC_SYMLINK_LEADING_PATH) && | |
619 | has_symlink_leading_path(item[i].match, item[i].len)) { | |
620 | die(_("pathspec '%s' is beyond a symbolic link"), entry); | |
621 | } | |
622 | ||
87323bda NTND |
623 | if (item[i].nowildcard_len < item[i].len) |
624 | pathspec->has_wildcard = 1; | |
625 | pathspec->magic |= item[i].magic; | |
626 | } | |
627 | ||
859b7f1d LT |
628 | /* |
629 | * If everything is an exclude pattern, add one positive pattern | |
64127575 | 630 | * that matches everything. We allocated an extra one for this. |
859b7f1d LT |
631 | */ |
632 | if (nr_exclude == n) { | |
633 | int plen = (!(flags & PATHSPEC_PREFER_CWD)) ? 0 : prefixlen; | |
b02fdbc8 | 634 | init_pathspec_item(item + n, 0, prefix, plen, "."); |
859b7f1d LT |
635 | pathspec->nr++; |
636 | } | |
931eab64 NTND |
637 | |
638 | if (pathspec->magic & PATHSPEC_MAXDEPTH) { | |
639 | if (flags & PATHSPEC_KEEP_ORDER) | |
033abf97 | 640 | BUG("PATHSPEC_MAXDEPTH_VALID and PATHSPEC_KEEP_ORDER are incompatible"); |
9ed0d8d6 | 641 | QSORT(pathspec->items, pathspec->nr, pathspec_item_cmp); |
931eab64 | 642 | } |
64acde94 NTND |
643 | } |
644 | ||
24e4750c AM |
645 | void parse_pathspec_file(struct pathspec *pathspec, unsigned magic_mask, |
646 | unsigned flags, const char *prefix, | |
647 | const char *file, int nul_term_line) | |
648 | { | |
c972bf4c | 649 | struct strvec parsed_file = STRVEC_INIT; |
24e4750c AM |
650 | strbuf_getline_fn getline_fn = nul_term_line ? strbuf_getline_nul : |
651 | strbuf_getline; | |
652 | struct strbuf buf = STRBUF_INIT; | |
653 | struct strbuf unquoted = STRBUF_INIT; | |
654 | FILE *in; | |
655 | ||
656 | if (!strcmp(file, "-")) | |
657 | in = stdin; | |
658 | else | |
659 | in = xfopen(file, "r"); | |
660 | ||
661 | while (getline_fn(&buf, in) != EOF) { | |
662 | if (!nul_term_line && buf.buf[0] == '"') { | |
663 | strbuf_reset(&unquoted); | |
664 | if (unquote_c_style(&unquoted, buf.buf, NULL)) | |
665 | die(_("line is badly quoted: %s"), buf.buf); | |
666 | strbuf_swap(&buf, &unquoted); | |
667 | } | |
c972bf4c | 668 | strvec_push(&parsed_file, buf.buf); |
24e4750c AM |
669 | strbuf_reset(&buf); |
670 | } | |
671 | ||
672 | strbuf_release(&unquoted); | |
673 | strbuf_release(&buf); | |
674 | if (in != stdin) | |
675 | fclose(in); | |
676 | ||
d70a9eb6 | 677 | parse_pathspec(pathspec, magic_mask, flags, prefix, parsed_file.v); |
c972bf4c | 678 | strvec_clear(&parsed_file); |
24e4750c AM |
679 | } |
680 | ||
e4d92cdc NTND |
681 | void copy_pathspec(struct pathspec *dst, const struct pathspec *src) |
682 | { | |
b0db7046 | 683 | int i, j; |
8aee769f | 684 | |
e4d92cdc | 685 | *dst = *src; |
6e578410 | 686 | DUP_ARRAY(dst->items, src->items, dst->nr); |
8aee769f BW |
687 | |
688 | for (i = 0; i < dst->nr; i++) { | |
b0db7046 BW |
689 | struct pathspec_item *d = &dst->items[i]; |
690 | struct pathspec_item *s = &src->items[i]; | |
691 | ||
692 | d->match = xstrdup(s->match); | |
693 | d->original = xstrdup(s->original); | |
694 | ||
6e578410 | 695 | DUP_ARRAY(d->attr_match, s->attr_match, d->attr_match_nr); |
b0db7046 BW |
696 | for (j = 0; j < d->attr_match_nr; j++) { |
697 | const char *value = s->attr_match[j].value; | |
698 | d->attr_match[j].value = xstrdup_or_null(value); | |
699 | } | |
700 | ||
701 | d->attr_check = attr_check_dup(s->attr_check); | |
8aee769f | 702 | } |
e4d92cdc | 703 | } |
9a087274 | 704 | |
ed6e8038 | 705 | void clear_pathspec(struct pathspec *pathspec) |
9a087274 | 706 | { |
b0db7046 | 707 | int i, j; |
8aee769f BW |
708 | |
709 | for (i = 0; i < pathspec->nr; i++) { | |
710 | free(pathspec->items[i].match); | |
711 | free(pathspec->items[i].original); | |
b0db7046 | 712 | |
5ce10c0a | 713 | for (j = 0; j < pathspec->items[i].attr_match_nr; j++) |
b0db7046 BW |
714 | free(pathspec->items[i].attr_match[j].value); |
715 | free(pathspec->items[i].attr_match); | |
716 | ||
717 | if (pathspec->items[i].attr_check) | |
718 | attr_check_free(pathspec->items[i].attr_check); | |
8aee769f | 719 | } |
b0db7046 | 720 | |
6a83d902 | 721 | FREE_AND_NULL(pathspec->items); |
8aee769f | 722 | pathspec->nr = 0; |
512aaf94 | 723 | } |
22af33be | 724 | |
847a9e5d | 725 | int match_pathspec_attrs(struct index_state *istate, |
22af33be NTND |
726 | const char *name, int namelen, |
727 | const struct pathspec_item *item) | |
728 | { | |
729 | int i; | |
730 | char *to_free = NULL; | |
731 | ||
732 | if (name[namelen]) | |
733 | name = to_free = xmemdupz(name, namelen); | |
734 | ||
47cfc9bd | 735 | git_check_attr(istate, NULL, name, item->attr_check); |
22af33be NTND |
736 | |
737 | free(to_free); | |
738 | ||
739 | for (i = 0; i < item->attr_match_nr; i++) { | |
740 | const char *value; | |
741 | int matched; | |
742 | enum attr_match_mode match_mode; | |
743 | ||
744 | value = item->attr_check->items[i].value; | |
745 | match_mode = item->attr_match[i].match_mode; | |
746 | ||
747 | if (ATTR_TRUE(value)) | |
748 | matched = (match_mode == MATCH_SET); | |
749 | else if (ATTR_FALSE(value)) | |
750 | matched = (match_mode == MATCH_UNSET); | |
751 | else if (ATTR_UNSET(value)) | |
752 | matched = (match_mode == MATCH_UNSPECIFIED); | |
753 | else | |
754 | matched = (match_mode == MATCH_VALUE && | |
755 | !strcmp(item->attr_match[i].value, value)); | |
756 | if (!matched) | |
757 | return 0; | |
758 | } | |
759 | ||
760 | return 1; | |
761 | } | |
b29ad383 SY |
762 | |
763 | int pathspec_needs_expanded_index(struct index_state *istate, | |
764 | const struct pathspec *pathspec) | |
765 | { | |
766 | unsigned int i, pos; | |
767 | int res = 0; | |
768 | char *skip_worktree_seen = NULL; | |
769 | ||
770 | /* | |
771 | * If index is not sparse, no index expansion is needed. | |
772 | */ | |
773 | if (!istate->sparse_index) | |
774 | return 0; | |
775 | ||
776 | /* | |
777 | * When using a magic pathspec, assume for the sake of simplicity that | |
778 | * the index needs to be expanded to match all matchable files. | |
779 | */ | |
780 | if (pathspec->magic) | |
781 | return 1; | |
782 | ||
783 | for (i = 0; i < pathspec->nr; i++) { | |
784 | struct pathspec_item item = pathspec->items[i]; | |
785 | ||
786 | /* | |
787 | * If the pathspec item has a wildcard, the index should be expanded | |
788 | * if the pathspec has the possibility of matching a subset of entries inside | |
789 | * of a sparse directory (but not the entire directory). | |
790 | * | |
791 | * If the pathspec item is a literal path, the index only needs to be expanded | |
792 | * if a) the pathspec isn't in the sparse checkout cone (to make sure we don't | |
793 | * expand for in-cone files) and b) it doesn't match any sparse directories | |
794 | * (since we can reset whole sparse directories without expanding them). | |
795 | */ | |
796 | if (item.nowildcard_len < item.len) { | |
797 | /* | |
798 | * Special case: if the pattern is a path inside the cone | |
799 | * followed by only wildcards, the pattern cannot match | |
800 | * partial sparse directories, so we know we don't need to | |
801 | * expand the index. | |
802 | * | |
803 | * Examples: | |
804 | * - in-cone/foo***: doesn't need expanded index | |
805 | * - not-in-cone/bar*: may need expanded index | |
806 | * - **.c: may need expanded index | |
807 | */ | |
808 | if (strspn(item.original + item.nowildcard_len, "*") == item.len - item.nowildcard_len && | |
809 | path_in_cone_mode_sparse_checkout(item.original, istate)) | |
810 | continue; | |
811 | ||
812 | for (pos = 0; pos < istate->cache_nr; pos++) { | |
813 | struct cache_entry *ce = istate->cache[pos]; | |
814 | ||
815 | if (!S_ISSPARSEDIR(ce->ce_mode)) | |
816 | continue; | |
817 | ||
818 | /* | |
819 | * If the pre-wildcard length is longer than the sparse | |
820 | * directory name and the sparse directory is the first | |
821 | * component of the pathspec, need to expand the index. | |
822 | */ | |
823 | if (item.nowildcard_len > ce_namelen(ce) && | |
824 | !strncmp(item.original, ce->name, ce_namelen(ce))) { | |
825 | res = 1; | |
826 | break; | |
827 | } | |
828 | ||
829 | /* | |
830 | * If the pre-wildcard length is shorter than the sparse | |
831 | * directory and the pathspec does not match the whole | |
832 | * directory, need to expand the index. | |
833 | */ | |
834 | if (!strncmp(item.original, ce->name, item.nowildcard_len) && | |
835 | wildmatch(item.original, ce->name, 0)) { | |
836 | res = 1; | |
837 | break; | |
838 | } | |
839 | } | |
840 | } else if (!path_in_cone_mode_sparse_checkout(item.original, istate) && | |
841 | !matches_skip_worktree(pathspec, i, &skip_worktree_seen)) | |
842 | res = 1; | |
843 | ||
844 | if (res > 0) | |
845 | break; | |
846 | } | |
847 | ||
848 | free(skip_worktree_seen); | |
849 | return res; | |
850 | } |