1 /*
2 * This merges the file listing in the directory cache index
3 * with the actual working directory list, and shows different
4 * combinations of the two.
5 *
6 * Copyright (C) Linus Torvalds, 2005
7 */
8 #include "cache.h"
9 #include "repository.h"
10 #include "config.h"
11 #include "quote.h"
12 #include "dir.h"
13 #include "builtin.h"
14 #include "tree.h"
15 #include "cache-tree.h"
16 #include "parse-options.h"
17 #include "resolve-undo.h"
18 #include "string-list.h"
19 #include "pathspec.h"
20 #include "run-command.h"
21 #include "submodule.h"
22 #include "submodule-config.h"
23
24 static int abbrev;
25 static int show_deleted;
26 static int show_cached;
27 static int show_others;
28 static int show_stage;
29 static int show_unmerged;
30 static int show_resolve_undo;
31 static int show_modified;
32 static int show_killed;
33 static int show_valid_bit;
34 static int show_fsmonitor_bit;
35 static int line_terminator = '\n';
36 static int debug_mode;
37 static int show_eol;
38 static int recurse_submodules;
39 static int skipping_duplicates;
40
41 static const char *prefix;
42 static int max_prefix_len;
43 static int prefix_len;
44 static struct pathspec pathspec;
45 static int error_unmatch;
46 static char *ps_matched;
47 static const char *with_tree;
48 static int exc_given;
49 static int exclude_args;
50
51 static const char *tag_cached = "";
52 static const char *tag_unmerged = "";
53 static const char *tag_removed = "";
54 static const char *tag_other = "";
55 static const char *tag_killed = "";
56 static const char *tag_modified = "";
57 static const char *tag_skip_worktree = "";
58 static const char *tag_resolve_undo = "";
59
write_eolinfo(struct index_state * istate,const struct cache_entry * ce,const char * path)60 static void write_eolinfo(struct index_state *istate,
61 const struct cache_entry *ce, const char *path)
62 {
63 if (show_eol) {
64 struct stat st;
65 const char *i_txt = "";
66 const char *w_txt = "";
67 const char *a_txt = get_convert_attr_ascii(istate, path);
68 if (ce && S_ISREG(ce->ce_mode))
69 i_txt = get_cached_convert_stats_ascii(istate,
70 ce->name);
71 if (!lstat(path, &st) && S_ISREG(st.st_mode))
72 w_txt = get_wt_convert_stats_ascii(path);
73 printf("i/%-5s w/%-5s attr/%-17s\t", i_txt, w_txt, a_txt);
74 }
75 }
76
write_name(const char * name)77 static void write_name(const char *name)
78 {
79 /*
80 * With "--full-name", prefix_len=0; this caller needs to pass
81 * an empty string in that case (a NULL is good for "").
82 */
83 write_name_quoted_relative(name, prefix_len ? prefix : NULL,
84 stdout, line_terminator);
85 }
86
get_tag(const struct cache_entry * ce,const char * tag)87 static const char *get_tag(const struct cache_entry *ce, const char *tag)
88 {
89 static char alttag[4];
90
91 if (tag && *tag && ((show_valid_bit && (ce->ce_flags & CE_VALID)) ||
92 (show_fsmonitor_bit && (ce->ce_flags & CE_FSMONITOR_VALID)))) {
93 memcpy(alttag, tag, 3);
94
95 if (isalpha(tag[0])) {
96 alttag[0] = tolower(tag[0]);
97 } else if (tag[0] == '?') {
98 alttag[0] = '!';
99 } else {
100 alttag[0] = 'v';
101 alttag[1] = tag[0];
102 alttag[2] = ' ';
103 alttag[3] = 0;
104 }
105
106 tag = alttag;
107 }
108
109 return tag;
110 }
111
print_debug(const struct cache_entry * ce)112 static void print_debug(const struct cache_entry *ce)
113 {
114 if (debug_mode) {
115 const struct stat_data *sd = &ce->ce_stat_data;
116
117 printf(" ctime: %u:%u\n", sd->sd_ctime.sec, sd->sd_ctime.nsec);
118 printf(" mtime: %u:%u\n", sd->sd_mtime.sec, sd->sd_mtime.nsec);
119 printf(" dev: %u\tino: %u\n", sd->sd_dev, sd->sd_ino);
120 printf(" uid: %u\tgid: %u\n", sd->sd_uid, sd->sd_gid);
121 printf(" size: %u\tflags: %x\n", sd->sd_size, ce->ce_flags);
122 }
123 }
124
show_dir_entry(struct index_state * istate,const char * tag,struct dir_entry * ent)125 static void show_dir_entry(struct index_state *istate,
126 const char *tag, struct dir_entry *ent)
127 {
128 int len = max_prefix_len;
129
130 if (len > ent->len)
131 die("git ls-files: internal error - directory entry not superset of prefix");
132
133 /* If ps_matches is non-NULL, figure out which pathspec(s) match. */
134 if (ps_matched)
135 dir_path_match(istate, ent, &pathspec, len, ps_matched);
136
137 fputs(tag, stdout);
138 write_eolinfo(istate, NULL, ent->name);
139 write_name(ent->name);
140 }
141
show_other_files(struct index_state * istate,const struct dir_struct * dir)142 static void show_other_files(struct index_state *istate,
143 const struct dir_struct *dir)
144 {
145 int i;
146
147 for (i = 0; i < dir->nr; i++) {
148 struct dir_entry *ent = dir->entries[i];
149 if (!index_name_is_other(istate, ent->name, ent->len))
150 continue;
151 show_dir_entry(istate, tag_other, ent);
152 }
153 }
154
show_killed_files(struct index_state * istate,const struct dir_struct * dir)155 static void show_killed_files(struct index_state *istate,
156 const struct dir_struct *dir)
157 {
158 int i;
159 for (i = 0; i < dir->nr; i++) {
160 struct dir_entry *ent = dir->entries[i];
161 char *cp, *sp;
162 int pos, len, killed = 0;
163
164 for (cp = ent->name; cp - ent->name < ent->len; cp = sp + 1) {
165 sp = strchr(cp, '/');
166 if (!sp) {
167 /* If ent->name is prefix of an entry in the
168 * cache, it will be killed.
169 */
170 pos = index_name_pos(istate, ent->name, ent->len);
171 if (0 <= pos)
172 BUG("killed-file %.*s not found",
173 ent->len, ent->name);
174 pos = -pos - 1;
175 while (pos < istate->cache_nr &&
176 ce_stage(istate->cache[pos]))
177 pos++; /* skip unmerged */
178 if (istate->cache_nr <= pos)
179 break;
180 /* pos points at a name immediately after
181 * ent->name in the cache. Does it expect
182 * ent->name to be a directory?
183 */
184 len = ce_namelen(istate->cache[pos]);
185 if ((ent->len < len) &&
186 !strncmp(istate->cache[pos]->name,
187 ent->name, ent->len) &&
188 istate->cache[pos]->name[ent->len] == '/')
189 killed = 1;
190 break;
191 }
192 if (0 <= index_name_pos(istate, ent->name, sp - ent->name)) {
193 /* If any of the leading directories in
194 * ent->name is registered in the cache,
195 * ent->name will be killed.
196 */
197 killed = 1;
198 break;
199 }
200 }
201 if (killed)
202 show_dir_entry(istate, tag_killed, dir->entries[i]);
203 }
204 }
205
206 static void show_files(struct repository *repo, struct dir_struct *dir);
207
show_submodule(struct repository * superproject,struct dir_struct * dir,const char * path)208 static void show_submodule(struct repository *superproject,
209 struct dir_struct *dir, const char *path)
210 {
211 struct repository subrepo;
212
213 if (repo_submodule_init(&subrepo, superproject, path, null_oid()))
214 return;
215
216 if (repo_read_index(&subrepo) < 0)
217 die("index file corrupt");
218
219 show_files(&subrepo, dir);
220
221 repo_clear(&subrepo);
222 }
223
show_ce(struct repository * repo,struct dir_struct * dir,const struct cache_entry * ce,const char * fullname,const char * tag)224 static void show_ce(struct repository *repo, struct dir_struct *dir,
225 const struct cache_entry *ce, const char *fullname,
226 const char *tag)
227 {
228 if (max_prefix_len > strlen(fullname))
229 die("git ls-files: internal error - cache entry not superset of prefix");
230
231 if (recurse_submodules && S_ISGITLINK(ce->ce_mode) &&
232 is_submodule_active(repo, ce->name)) {
233 show_submodule(repo, dir, ce->name);
234 } else if (match_pathspec(repo->index, &pathspec, fullname, strlen(fullname),
235 max_prefix_len, ps_matched,
236 S_ISDIR(ce->ce_mode) ||
237 S_ISGITLINK(ce->ce_mode))) {
238 tag = get_tag(ce, tag);
239
240 if (!show_stage) {
241 fputs(tag, stdout);
242 } else {
243 printf("%s%06o %s %d\t",
244 tag,
245 ce->ce_mode,
246 find_unique_abbrev(&ce->oid, abbrev),
247 ce_stage(ce));
248 }
249 write_eolinfo(repo->index, ce, fullname);
250 write_name(fullname);
251 print_debug(ce);
252 }
253 }
254
show_ru_info(struct index_state * istate)255 static void show_ru_info(struct index_state *istate)
256 {
257 struct string_list_item *item;
258
259 if (!istate->resolve_undo)
260 return;
261
262 for_each_string_list_item(item, istate->resolve_undo) {
263 const char *path = item->string;
264 struct resolve_undo_info *ui = item->util;
265 int i, len;
266
267 len = strlen(path);
268 if (len < max_prefix_len)
269 continue; /* outside of the prefix */
270 if (!match_pathspec(istate, &pathspec, path, len,
271 max_prefix_len, ps_matched, 0))
272 continue; /* uninterested */
273 for (i = 0; i < 3; i++) {
274 if (!ui->mode[i])
275 continue;
276 printf("%s%06o %s %d\t", tag_resolve_undo, ui->mode[i],
277 find_unique_abbrev(&ui->oid[i], abbrev),
278 i + 1);
279 write_name(path);
280 }
281 }
282 }
283
ce_excluded(struct dir_struct * dir,struct index_state * istate,const char * fullname,const struct cache_entry * ce)284 static int ce_excluded(struct dir_struct *dir, struct index_state *istate,
285 const char *fullname, const struct cache_entry *ce)
286 {
287 int dtype = ce_to_dtype(ce);
288 return is_excluded(dir, istate, fullname, &dtype);
289 }
290
construct_fullname(struct strbuf * out,const struct repository * repo,const struct cache_entry * ce)291 static void construct_fullname(struct strbuf *out, const struct repository *repo,
292 const struct cache_entry *ce)
293 {
294 strbuf_reset(out);
295 if (repo->submodule_prefix)
296 strbuf_addstr(out, repo->submodule_prefix);
297 strbuf_addstr(out, ce->name);
298 }
299
show_files(struct repository * repo,struct dir_struct * dir)300 static void show_files(struct repository *repo, struct dir_struct *dir)
301 {
302 int i;
303 struct strbuf fullname = STRBUF_INIT;
304
305 /* For cached/deleted files we don't need to even do the readdir */
306 if (show_others || show_killed) {
307 if (!show_others)
308 dir->flags |= DIR_COLLECT_KILLED_ONLY;
309 fill_directory(dir, repo->index, &pathspec);
310 if (show_others)
311 show_other_files(repo->index, dir);
312 if (show_killed)
313 show_killed_files(repo->index, dir);
314 }
315
316 if (!(show_cached || show_stage || show_deleted || show_modified))
317 return;
318 /* TODO: audit for interaction with sparse-index. */
319 ensure_full_index(repo->index);
320 for (i = 0; i < repo->index->cache_nr; i++) {
321 const struct cache_entry *ce = repo->index->cache[i];
322 struct stat st;
323 int stat_err;
324
325 construct_fullname(&fullname, repo, ce);
326
327 if ((dir->flags & DIR_SHOW_IGNORED) &&
328 !ce_excluded(dir, repo->index, fullname.buf, ce))
329 continue;
330 if (ce->ce_flags & CE_UPDATE)
331 continue;
332 if ((show_cached || show_stage) &&
333 (!show_unmerged || ce_stage(ce))) {
334 show_ce(repo, dir, ce, fullname.buf,
335 ce_stage(ce) ? tag_unmerged :
336 (ce_skip_worktree(ce) ? tag_skip_worktree :
337 tag_cached));
338 if (skipping_duplicates)
339 goto skip_to_next_name;
340 }
341
342 if (!(show_deleted || show_modified))
343 continue;
344 if (ce_skip_worktree(ce))
345 continue;
346 stat_err = lstat(fullname.buf, &st);
347 if (stat_err && (errno != ENOENT && errno != ENOTDIR))
348 error_errno("cannot lstat '%s'", fullname.buf);
349 if (stat_err && show_deleted) {
350 show_ce(repo, dir, ce, fullname.buf, tag_removed);
351 if (skipping_duplicates)
352 goto skip_to_next_name;
353 }
354 if (show_modified &&
355 (stat_err || ie_modified(repo->index, ce, &st, 0))) {
356 show_ce(repo, dir, ce, fullname.buf, tag_modified);
357 if (skipping_duplicates)
358 goto skip_to_next_name;
359 }
360 continue;
361
362 skip_to_next_name:
363 {
364 int j;
365 struct cache_entry **cache = repo->index->cache;
366 for (j = i + 1; j < repo->index->cache_nr; j++)
367 if (strcmp(ce->name, cache[j]->name))
368 break;
369 i = j - 1; /* compensate for the for loop */
370 }
371 }
372
373 strbuf_release(&fullname);
374 }
375
376 /*
377 * Prune the index to only contain stuff starting with "prefix"
378 */
prune_index(struct index_state * istate,const char * prefix,size_t prefixlen)379 static void prune_index(struct index_state *istate,
380 const char *prefix, size_t prefixlen)
381 {
382 int pos;
383 unsigned int first, last;
384
385 if (!prefix || !istate->cache_nr)
386 return;
387 pos = index_name_pos(istate, prefix, prefixlen);
388 if (pos < 0)
389 pos = -pos-1;
390 first = pos;
391 last = istate->cache_nr;
392 while (last > first) {
393 int next = first + ((last - first) >> 1);
394 const struct cache_entry *ce = istate->cache[next];
395 if (!strncmp(ce->name, prefix, prefixlen)) {
396 first = next+1;
397 continue;
398 }
399 last = next;
400 }
401 MOVE_ARRAY(istate->cache, istate->cache + pos, last - pos);
402 istate->cache_nr = last - pos;
403 }
404
get_common_prefix_len(const char * common_prefix)405 static int get_common_prefix_len(const char *common_prefix)
406 {
407 int common_prefix_len;
408
409 if (!common_prefix)
410 return 0;
411
412 common_prefix_len = strlen(common_prefix);
413
414 /*
415 * If the prefix has a trailing slash, strip it so that submodules wont
416 * be pruned from the index.
417 */
418 if (common_prefix[common_prefix_len - 1] == '/')
419 common_prefix_len--;
420
421 return common_prefix_len;
422 }
423
read_one_entry_opt(struct index_state * istate,const struct object_id * oid,struct strbuf * base,const char * pathname,unsigned mode,int opt)424 static int read_one_entry_opt(struct index_state *istate,
425 const struct object_id *oid,
426 struct strbuf *base,
427 const char *pathname,
428 unsigned mode, int opt)
429 {
430 int len;
431 struct cache_entry *ce;
432
433 if (S_ISDIR(mode))
434 return READ_TREE_RECURSIVE;
435
436 len = strlen(pathname);
437 ce = make_empty_cache_entry(istate, base->len + len);
438
439 ce->ce_mode = create_ce_mode(mode);
440 ce->ce_flags = create_ce_flags(1);
441 ce->ce_namelen = base->len + len;
442 memcpy(ce->name, base->buf, base->len);
443 memcpy(ce->name + base->len, pathname, len+1);
444 oidcpy(&ce->oid, oid);
445 return add_index_entry(istate, ce, opt);
446 }
447
read_one_entry(const struct object_id * oid,struct strbuf * base,const char * pathname,unsigned mode,void * context)448 static int read_one_entry(const struct object_id *oid, struct strbuf *base,
449 const char *pathname, unsigned mode,
450 void *context)
451 {
452 struct index_state *istate = context;
453 return read_one_entry_opt(istate, oid, base, pathname,
454 mode,
455 ADD_CACHE_OK_TO_ADD|ADD_CACHE_SKIP_DFCHECK);
456 }
457
458 /*
459 * This is used when the caller knows there is no existing entries at
460 * the stage that will conflict with the entry being added.
461 */
read_one_entry_quick(const struct object_id * oid,struct strbuf * base,const char * pathname,unsigned mode,void * context)462 static int read_one_entry_quick(const struct object_id *oid, struct strbuf *base,
463 const char *pathname, unsigned mode,
464 void *context)
465 {
466 struct index_state *istate = context;
467 return read_one_entry_opt(istate, oid, base, pathname,
468 mode, ADD_CACHE_JUST_APPEND);
469 }
470
471 /*
472 * Read the tree specified with --with-tree option
473 * (typically, HEAD) into stage #1 and then
474 * squash them down to stage #0. This is used for
475 * --error-unmatch to list and check the path patterns
476 * that were given from the command line. We are not
477 * going to write this index out.
478 */
overlay_tree_on_index(struct index_state * istate,const char * tree_name,const char * prefix)479 void overlay_tree_on_index(struct index_state *istate,
480 const char *tree_name, const char *prefix)
481 {
482 struct tree *tree;
483 struct object_id oid;
484 struct pathspec pathspec;
485 struct cache_entry *last_stage0 = NULL;
486 int i;
487 read_tree_fn_t fn = NULL;
488 int err;
489
490 if (get_oid(tree_name, &oid))
491 die("tree-ish %s not found.", tree_name);
492 tree = parse_tree_indirect(&oid);
493 if (!tree)
494 die("bad tree-ish %s", tree_name);
495
496 /* Hoist the unmerged entries up to stage #3 to make room */
497 /* TODO: audit for interaction with sparse-index. */
498 ensure_full_index(istate);
499 for (i = 0; i < istate->cache_nr; i++) {
500 struct cache_entry *ce = istate->cache[i];
501 if (!ce_stage(ce))
502 continue;
503 ce->ce_flags |= CE_STAGEMASK;
504 }
505
506 if (prefix) {
507 static const char *(matchbuf[1]);
508 matchbuf[0] = NULL;
509 parse_pathspec(&pathspec, PATHSPEC_ALL_MAGIC,
510 PATHSPEC_PREFER_CWD, prefix, matchbuf);
511 } else
512 memset(&pathspec, 0, sizeof(pathspec));
513
514 /*
515 * See if we have cache entry at the stage. If so,
516 * do it the original slow way, otherwise, append and then
517 * sort at the end.
518 */
519 for (i = 0; !fn && i < istate->cache_nr; i++) {
520 const struct cache_entry *ce = istate->cache[i];
521 if (ce_stage(ce) == 1)
522 fn = read_one_entry;
523 }
524
525 if (!fn)
526 fn = read_one_entry_quick;
527 err = read_tree(the_repository, tree, &pathspec, fn, istate);
528 if (err)
529 die("unable to read tree entries %s", tree_name);
530
531 /*
532 * Sort the cache entry -- we need to nuke the cache tree, though.
533 */
534 if (fn == read_one_entry_quick) {
535 cache_tree_free(&istate->cache_tree);
536 QSORT(istate->cache, istate->cache_nr, cmp_cache_name_compare);
537 }
538
539 for (i = 0; i < istate->cache_nr; i++) {
540 struct cache_entry *ce = istate->cache[i];
541 switch (ce_stage(ce)) {
542 case 0:
543 last_stage0 = ce;
544 /* fallthru */
545 default:
546 continue;
547 case 1:
548 /*
549 * If there is stage #0 entry for this, we do not
550 * need to show it. We use CE_UPDATE bit to mark
551 * such an entry.
552 */
553 if (last_stage0 &&
554 !strcmp(last_stage0->name, ce->name))
555 ce->ce_flags |= CE_UPDATE;
556 }
557 }
558 }
559
560 static const char * const ls_files_usage[] = {
561 N_("git ls-files [<options>] [<file>...]"),
562 NULL
563 };
564
option_parse_exclude(const struct option * opt,const char * arg,int unset)565 static int option_parse_exclude(const struct option *opt,
566 const char *arg, int unset)
567 {
568 struct string_list *exclude_list = opt->value;
569
570 BUG_ON_OPT_NEG(unset);
571
572 exc_given = 1;
573 string_list_append(exclude_list, arg);
574
575 return 0;
576 }
577
option_parse_exclude_from(const struct option * opt,const char * arg,int unset)578 static int option_parse_exclude_from(const struct option *opt,
579 const char *arg, int unset)
580 {
581 struct dir_struct *dir = opt->value;
582
583 BUG_ON_OPT_NEG(unset);
584
585 exc_given = 1;
586 add_patterns_from_file(dir, arg);
587
588 return 0;
589 }
590
option_parse_exclude_standard(const struct option * opt,const char * arg,int unset)591 static int option_parse_exclude_standard(const struct option *opt,
592 const char *arg, int unset)
593 {
594 struct dir_struct *dir = opt->value;
595
596 BUG_ON_OPT_NEG(unset);
597 BUG_ON_OPT_ARG(arg);
598
599 exc_given = 1;
600 setup_standard_excludes(dir);
601
602 return 0;
603 }
604
cmd_ls_files(int argc,const char ** argv,const char * cmd_prefix)605 int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix)
606 {
607 int require_work_tree = 0, show_tag = 0, i;
608 char *max_prefix;
609 struct dir_struct dir = DIR_INIT;
610 struct pattern_list *pl;
611 struct string_list exclude_list = STRING_LIST_INIT_NODUP;
612 struct option builtin_ls_files_options[] = {
613 /* Think twice before adding "--nul" synonym to this */
614 OPT_SET_INT('z', NULL, &line_terminator,
615 N_("separate paths with the NUL character"), '\0'),
616 OPT_BOOL('t', NULL, &show_tag,
617 N_("identify the file status with tags")),
618 OPT_BOOL('v', NULL, &show_valid_bit,
619 N_("use lowercase letters for 'assume unchanged' files")),
620 OPT_BOOL('f', NULL, &show_fsmonitor_bit,
621 N_("use lowercase letters for 'fsmonitor clean' files")),
622 OPT_BOOL('c', "cached", &show_cached,
623 N_("show cached files in the output (default)")),
624 OPT_BOOL('d', "deleted", &show_deleted,
625 N_("show deleted files in the output")),
626 OPT_BOOL('m', "modified", &show_modified,
627 N_("show modified files in the output")),
628 OPT_BOOL('o', "others", &show_others,
629 N_("show other files in the output")),
630 OPT_BIT('i', "ignored", &dir.flags,
631 N_("show ignored files in the output"),
632 DIR_SHOW_IGNORED),
633 OPT_BOOL('s', "stage", &show_stage,
634 N_("show staged contents' object name in the output")),
635 OPT_BOOL('k', "killed", &show_killed,
636 N_("show files on the filesystem that need to be removed")),
637 OPT_BIT(0, "directory", &dir.flags,
638 N_("show 'other' directories' names only"),
639 DIR_SHOW_OTHER_DIRECTORIES),
640 OPT_BOOL(0, "eol", &show_eol, N_("show line endings of files")),
641 OPT_NEGBIT(0, "empty-directory", &dir.flags,
642 N_("don't show empty directories"),
643 DIR_HIDE_EMPTY_DIRECTORIES),
644 OPT_BOOL('u', "unmerged", &show_unmerged,
645 N_("show unmerged files in the output")),
646 OPT_BOOL(0, "resolve-undo", &show_resolve_undo,
647 N_("show resolve-undo information")),
648 OPT_CALLBACK_F('x', "exclude", &exclude_list, N_("pattern"),
649 N_("skip files matching pattern"),
650 PARSE_OPT_NONEG, option_parse_exclude),
651 OPT_CALLBACK_F('X', "exclude-from", &dir, N_("file"),
652 N_("read exclude patterns from <file>"),
653 PARSE_OPT_NONEG, option_parse_exclude_from),
654 OPT_STRING(0, "exclude-per-directory", &dir.exclude_per_dir, N_("file"),
655 N_("read additional per-directory exclude patterns in <file>")),
656 OPT_CALLBACK_F(0, "exclude-standard", &dir, NULL,
657 N_("add the standard git exclusions"),
658 PARSE_OPT_NOARG | PARSE_OPT_NONEG,
659 option_parse_exclude_standard),
660 OPT_SET_INT_F(0, "full-name", &prefix_len,
661 N_("make the output relative to the project top directory"),
662 0, PARSE_OPT_NONEG),
663 OPT_BOOL(0, "recurse-submodules", &recurse_submodules,
664 N_("recurse through submodules")),
665 OPT_BOOL(0, "error-unmatch", &error_unmatch,
666 N_("if any <file> is not in the index, treat this as an error")),
667 OPT_STRING(0, "with-tree", &with_tree, N_("tree-ish"),
668 N_("pretend that paths removed since <tree-ish> are still present")),
669 OPT__ABBREV(&abbrev),
670 OPT_BOOL(0, "debug", &debug_mode, N_("show debugging data")),
671 OPT_BOOL(0, "deduplicate", &skipping_duplicates,
672 N_("suppress duplicate entries")),
673 OPT_END()
674 };
675 int ret = 0;
676
677 if (argc == 2 && !strcmp(argv[1], "-h"))
678 usage_with_options(ls_files_usage, builtin_ls_files_options);
679
680 prefix = cmd_prefix;
681 if (prefix)
682 prefix_len = strlen(prefix);
683 git_config(git_default_config, NULL);
684
685 if (repo_read_index(the_repository) < 0)
686 die("index file corrupt");
687
688 argc = parse_options(argc, argv, prefix, builtin_ls_files_options,
689 ls_files_usage, 0);
690 pl = add_pattern_list(&dir, EXC_CMDL, "--exclude option");
691 for (i = 0; i < exclude_list.nr; i++) {
692 add_pattern(exclude_list.items[i].string, "", 0, pl, --exclude_args);
693 }
694 if (show_tag || show_valid_bit || show_fsmonitor_bit) {
695 tag_cached = "H ";
696 tag_unmerged = "M ";
697 tag_removed = "R ";
698 tag_modified = "C ";
699 tag_other = "? ";
700 tag_killed = "K ";
701 tag_skip_worktree = "S ";
702 tag_resolve_undo = "U ";
703 }
704 if (show_modified || show_others || show_deleted || (dir.flags & DIR_SHOW_IGNORED) || show_killed)
705 require_work_tree = 1;
706 if (show_unmerged)
707 /*
708 * There's no point in showing unmerged unless
709 * you also show the stage information.
710 */
711 show_stage = 1;
712 if (show_tag || show_stage)
713 skipping_duplicates = 0;
714 if (dir.exclude_per_dir)
715 exc_given = 1;
716
717 if (require_work_tree && !is_inside_work_tree())
718 setup_work_tree();
719
720 if (recurse_submodules &&
721 (show_stage || show_deleted || show_others || show_unmerged ||
722 show_killed || show_modified || show_resolve_undo || with_tree))
723 die("ls-files --recurse-submodules unsupported mode");
724
725 if (recurse_submodules && error_unmatch)
726 die("ls-files --recurse-submodules does not support "
727 "--error-unmatch");
728
729 parse_pathspec(&pathspec, 0,
730 PATHSPEC_PREFER_CWD,
731 prefix, argv);
732
733 /*
734 * Find common prefix for all pathspec's
735 * This is used as a performance optimization which unfortunately cannot
736 * be done when recursing into submodules because when a pathspec is
737 * given which spans repository boundaries you can't simply remove the
738 * submodule entry because the pathspec may match something inside the
739 * submodule.
740 */
741 if (recurse_submodules)
742 max_prefix = NULL;
743 else
744 max_prefix = common_prefix(&pathspec);
745 max_prefix_len = get_common_prefix_len(max_prefix);
746
747 prune_index(the_repository->index, max_prefix, max_prefix_len);
748
749 /* Treat unmatching pathspec elements as errors */
750 if (pathspec.nr && error_unmatch)
751 ps_matched = xcalloc(pathspec.nr, 1);
752
753 if ((dir.flags & DIR_SHOW_IGNORED) && !show_others && !show_cached)
754 die("ls-files -i must be used with either -o or -c");
755
756 if ((dir.flags & DIR_SHOW_IGNORED) && !exc_given)
757 die("ls-files --ignored needs some exclude pattern");
758
759 /* With no flags, we default to showing the cached files */
760 if (!(show_stage || show_deleted || show_others || show_unmerged ||
761 show_killed || show_modified || show_resolve_undo))
762 show_cached = 1;
763
764 if (with_tree) {
765 /*
766 * Basic sanity check; show-stages and show-unmerged
767 * would not make any sense with this option.
768 */
769 if (show_stage || show_unmerged)
770 die("ls-files --with-tree is incompatible with -s or -u");
771 overlay_tree_on_index(the_repository->index, with_tree, max_prefix);
772 }
773
774 show_files(the_repository, &dir);
775
776 if (show_resolve_undo)
777 show_ru_info(the_repository->index);
778
779 if (ps_matched && report_path_error(ps_matched, &pathspec)) {
780 fprintf(stderr, "Did you forget to 'git add'?\n");
781 ret = 1;
782 }
783
784 string_list_clear(&exclude_list, 0);
785 dir_clear(&dir);
786 free(max_prefix);
787 return ret;
788 }
789