Merge branch 'jt/test-protocol-version' into jt/fetch-no-update-shallow-in-proto-v2
[git] / builtin / ls-files.c
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 "parse-options.h"
16 #include "resolve-undo.h"
17 #include "string-list.h"
18 #include "pathspec.h"
19 #include "run-command.h"
20 #include "submodule.h"
21 #include "submodule-config.h"
22
23 static int abbrev;
24 static int show_deleted;
25 static int show_cached;
26 static int show_others;
27 static int show_stage;
28 static int show_unmerged;
29 static int show_resolve_undo;
30 static int show_modified;
31 static int show_killed;
32 static int show_valid_bit;
33 static int show_fsmonitor_bit;
34 static int line_terminator = '\n';
35 static int debug_mode;
36 static int show_eol;
37 static int recurse_submodules;
38
39 static const char *prefix;
40 static int max_prefix_len;
41 static int prefix_len;
42 static struct pathspec pathspec;
43 static int error_unmatch;
44 static char *ps_matched;
45 static const char *with_tree;
46 static int exc_given;
47 static int exclude_args;
48
49 static const char *tag_cached = "";
50 static const char *tag_unmerged = "";
51 static const char *tag_removed = "";
52 static const char *tag_other = "";
53 static const char *tag_killed = "";
54 static const char *tag_modified = "";
55 static const char *tag_skip_worktree = "";
56 static const char *tag_resolve_undo = "";
57
58 static void write_eolinfo(const struct index_state *istate,
59                           const struct cache_entry *ce, const char *path)
60 {
61         if (show_eol) {
62                 struct stat st;
63                 const char *i_txt = "";
64                 const char *w_txt = "";
65                 const char *a_txt = get_convert_attr_ascii(istate, path);
66                 if (ce && S_ISREG(ce->ce_mode))
67                         i_txt = get_cached_convert_stats_ascii(istate,
68                                                                ce->name);
69                 if (!lstat(path, &st) && S_ISREG(st.st_mode))
70                         w_txt = get_wt_convert_stats_ascii(path);
71                 printf("i/%-5s w/%-5s attr/%-17s\t", i_txt, w_txt, a_txt);
72         }
73 }
74
75 static void write_name(const char *name)
76 {
77         /*
78          * With "--full-name", prefix_len=0; this caller needs to pass
79          * an empty string in that case (a NULL is good for "").
80          */
81         write_name_quoted_relative(name, prefix_len ? prefix : NULL,
82                                    stdout, line_terminator);
83 }
84
85 static const char *get_tag(const struct cache_entry *ce, const char *tag)
86 {
87         static char alttag[4];
88
89         if (tag && *tag && ((show_valid_bit && (ce->ce_flags & CE_VALID)) ||
90                 (show_fsmonitor_bit && (ce->ce_flags & CE_FSMONITOR_VALID)))) {
91                 memcpy(alttag, tag, 3);
92
93                 if (isalpha(tag[0])) {
94                         alttag[0] = tolower(tag[0]);
95                 } else if (tag[0] == '?') {
96                         alttag[0] = '!';
97                 } else {
98                         alttag[0] = 'v';
99                         alttag[1] = tag[0];
100                         alttag[2] = ' ';
101                         alttag[3] = 0;
102                 }
103
104                 tag = alttag;
105         }
106
107         return tag;
108 }
109
110 static void print_debug(const struct cache_entry *ce)
111 {
112         if (debug_mode) {
113                 const struct stat_data *sd = &ce->ce_stat_data;
114
115                 printf("  ctime: %d:%d\n", sd->sd_ctime.sec, sd->sd_ctime.nsec);
116                 printf("  mtime: %d:%d\n", sd->sd_mtime.sec, sd->sd_mtime.nsec);
117                 printf("  dev: %d\tino: %d\n", sd->sd_dev, sd->sd_ino);
118                 printf("  uid: %d\tgid: %d\n", sd->sd_uid, sd->sd_gid);
119                 printf("  size: %d\tflags: %x\n", sd->sd_size, ce->ce_flags);
120         }
121 }
122
123 static void show_dir_entry(const struct index_state *istate,
124                            const char *tag, struct dir_entry *ent)
125 {
126         int len = max_prefix_len;
127
128         if (len > ent->len)
129                 die("git ls-files: internal error - directory entry not superset of prefix");
130
131         if (!dir_path_match(istate, ent, &pathspec, len, ps_matched))
132                 return;
133
134         fputs(tag, stdout);
135         write_eolinfo(istate, NULL, ent->name);
136         write_name(ent->name);
137 }
138
139 static void show_other_files(const struct index_state *istate,
140                              const struct dir_struct *dir)
141 {
142         int i;
143
144         for (i = 0; i < dir->nr; i++) {
145                 struct dir_entry *ent = dir->entries[i];
146                 if (!index_name_is_other(istate, ent->name, ent->len))
147                         continue;
148                 show_dir_entry(istate, tag_other, ent);
149         }
150 }
151
152 static void show_killed_files(const struct index_state *istate,
153                               const struct dir_struct *dir)
154 {
155         int i;
156         for (i = 0; i < dir->nr; i++) {
157                 struct dir_entry *ent = dir->entries[i];
158                 char *cp, *sp;
159                 int pos, len, killed = 0;
160
161                 for (cp = ent->name; cp - ent->name < ent->len; cp = sp + 1) {
162                         sp = strchr(cp, '/');
163                         if (!sp) {
164                                 /* If ent->name is prefix of an entry in the
165                                  * cache, it will be killed.
166                                  */
167                                 pos = index_name_pos(istate, ent->name, ent->len);
168                                 if (0 <= pos)
169                                         BUG("killed-file %.*s not found",
170                                                 ent->len, ent->name);
171                                 pos = -pos - 1;
172                                 while (pos < istate->cache_nr &&
173                                        ce_stage(istate->cache[pos]))
174                                         pos++; /* skip unmerged */
175                                 if (istate->cache_nr <= pos)
176                                         break;
177                                 /* pos points at a name immediately after
178                                  * ent->name in the cache.  Does it expect
179                                  * ent->name to be a directory?
180                                  */
181                                 len = ce_namelen(istate->cache[pos]);
182                                 if ((ent->len < len) &&
183                                     !strncmp(istate->cache[pos]->name,
184                                              ent->name, ent->len) &&
185                                     istate->cache[pos]->name[ent->len] == '/')
186                                         killed = 1;
187                                 break;
188                         }
189                         if (0 <= index_name_pos(istate, ent->name, sp - ent->name)) {
190                                 /* If any of the leading directories in
191                                  * ent->name is registered in the cache,
192                                  * ent->name will be killed.
193                                  */
194                                 killed = 1;
195                                 break;
196                         }
197                 }
198                 if (killed)
199                         show_dir_entry(istate, tag_killed, dir->entries[i]);
200         }
201 }
202
203 static void show_files(struct repository *repo, struct dir_struct *dir);
204
205 static void show_submodule(struct repository *superproject,
206                            struct dir_struct *dir, const char *path)
207 {
208         struct repository subrepo;
209         const struct submodule *sub = submodule_from_path(superproject,
210                                                           &null_oid, path);
211
212         if (repo_submodule_init(&subrepo, superproject, sub))
213                 return;
214
215         if (repo_read_index(&subrepo) < 0)
216                 die("index file corrupt");
217
218         show_files(&subrepo, dir);
219
220         repo_clear(&subrepo);
221 }
222
223 static void show_ce(struct repository *repo, struct dir_struct *dir,
224                     const struct cache_entry *ce, const char *fullname,
225                     const char *tag)
226 {
227         if (max_prefix_len > strlen(fullname))
228                 die("git ls-files: internal error - cache entry not superset of prefix");
229
230         if (recurse_submodules && S_ISGITLINK(ce->ce_mode) &&
231             is_submodule_active(repo, ce->name)) {
232                 show_submodule(repo, dir, ce->name);
233         } else if (match_pathspec(repo->index, &pathspec, fullname, strlen(fullname),
234                                   max_prefix_len, ps_matched,
235                                   S_ISDIR(ce->ce_mode) ||
236                                   S_ISGITLINK(ce->ce_mode))) {
237                 tag = get_tag(ce, tag);
238
239                 if (!show_stage) {
240                         fputs(tag, stdout);
241                 } else {
242                         printf("%s%06o %s %d\t",
243                                tag,
244                                ce->ce_mode,
245                                find_unique_abbrev(&ce->oid, abbrev),
246                                ce_stage(ce));
247                 }
248                 write_eolinfo(repo->index, ce, fullname);
249                 write_name(fullname);
250                 print_debug(ce);
251         }
252 }
253
254 static void show_ru_info(const struct index_state *istate)
255 {
256         struct string_list_item *item;
257
258         if (!istate->resolve_undo)
259                 return;
260
261         for_each_string_list_item(item, istate->resolve_undo) {
262                 const char *path = item->string;
263                 struct resolve_undo_info *ui = item->util;
264                 int i, len;
265
266                 len = strlen(path);
267                 if (len < max_prefix_len)
268                         continue; /* outside of the prefix */
269                 if (!match_pathspec(istate, &pathspec, path, len,
270                                     max_prefix_len, ps_matched, 0))
271                         continue; /* uninterested */
272                 for (i = 0; i < 3; i++) {
273                         if (!ui->mode[i])
274                                 continue;
275                         printf("%s%06o %s %d\t", tag_resolve_undo, ui->mode[i],
276                                find_unique_abbrev(&ui->oid[i], abbrev),
277                                i + 1);
278                         write_name(path);
279                 }
280         }
281 }
282
283 static int ce_excluded(struct dir_struct *dir, struct index_state *istate,
284                        const char *fullname, const struct cache_entry *ce)
285 {
286         int dtype = ce_to_dtype(ce);
287         return is_excluded(dir, istate, fullname, &dtype);
288 }
289
290 static void construct_fullname(struct strbuf *out, const struct repository *repo,
291                                const struct cache_entry *ce)
292 {
293         strbuf_reset(out);
294         if (repo->submodule_prefix)
295                 strbuf_addstr(out, repo->submodule_prefix);
296         strbuf_addstr(out, ce->name);
297 }
298
299 static void show_files(struct repository *repo, struct dir_struct *dir)
300 {
301         int i;
302         struct strbuf fullname = STRBUF_INIT;
303
304         /* For cached/deleted files we don't need to even do the readdir */
305         if (show_others || show_killed) {
306                 if (!show_others)
307                         dir->flags |= DIR_COLLECT_KILLED_ONLY;
308                 fill_directory(dir, repo->index, &pathspec);
309                 if (show_others)
310                         show_other_files(repo->index, dir);
311                 if (show_killed)
312                         show_killed_files(repo->index, dir);
313         }
314         if (show_cached || show_stage) {
315                 for (i = 0; i < repo->index->cache_nr; i++) {
316                         const struct cache_entry *ce = repo->index->cache[i];
317
318                         construct_fullname(&fullname, repo, ce);
319
320                         if ((dir->flags & DIR_SHOW_IGNORED) &&
321                             !ce_excluded(dir, repo->index, fullname.buf, ce))
322                                 continue;
323                         if (show_unmerged && !ce_stage(ce))
324                                 continue;
325                         if (ce->ce_flags & CE_UPDATE)
326                                 continue;
327                         show_ce(repo, dir, ce, fullname.buf,
328                                 ce_stage(ce) ? tag_unmerged :
329                                 (ce_skip_worktree(ce) ? tag_skip_worktree :
330                                  tag_cached));
331                 }
332         }
333         if (show_deleted || show_modified) {
334                 for (i = 0; i < repo->index->cache_nr; i++) {
335                         const struct cache_entry *ce = repo->index->cache[i];
336                         struct stat st;
337                         int err;
338
339                         construct_fullname(&fullname, repo, ce);
340
341                         if ((dir->flags & DIR_SHOW_IGNORED) &&
342                             !ce_excluded(dir, repo->index, fullname.buf, ce))
343                                 continue;
344                         if (ce->ce_flags & CE_UPDATE)
345                                 continue;
346                         if (ce_skip_worktree(ce))
347                                 continue;
348                         err = lstat(fullname.buf, &st);
349                         if (show_deleted && err)
350                                 show_ce(repo, dir, ce, fullname.buf, tag_removed);
351                         if (show_modified && ie_modified(repo->index, ce, &st, 0))
352                                 show_ce(repo, dir, ce, fullname.buf, tag_modified);
353                 }
354         }
355
356         strbuf_release(&fullname);
357 }
358
359 /*
360  * Prune the index to only contain stuff starting with "prefix"
361  */
362 static void prune_index(struct index_state *istate,
363                         const char *prefix, size_t prefixlen)
364 {
365         int pos;
366         unsigned int first, last;
367
368         if (!prefix || !istate->cache_nr)
369                 return;
370         pos = index_name_pos(istate, prefix, prefixlen);
371         if (pos < 0)
372                 pos = -pos-1;
373         first = pos;
374         last = istate->cache_nr;
375         while (last > first) {
376                 int next = (last + first) >> 1;
377                 const struct cache_entry *ce = istate->cache[next];
378                 if (!strncmp(ce->name, prefix, prefixlen)) {
379                         first = next+1;
380                         continue;
381                 }
382                 last = next;
383         }
384         MOVE_ARRAY(istate->cache, istate->cache + pos, last - pos);
385         istate->cache_nr = last - pos;
386 }
387
388 static int get_common_prefix_len(const char *common_prefix)
389 {
390         int common_prefix_len;
391
392         if (!common_prefix)
393                 return 0;
394
395         common_prefix_len = strlen(common_prefix);
396
397         /*
398          * If the prefix has a trailing slash, strip it so that submodules wont
399          * be pruned from the index.
400          */
401         if (common_prefix[common_prefix_len - 1] == '/')
402                 common_prefix_len--;
403
404         return common_prefix_len;
405 }
406
407 /*
408  * Read the tree specified with --with-tree option
409  * (typically, HEAD) into stage #1 and then
410  * squash them down to stage #0.  This is used for
411  * --error-unmatch to list and check the path patterns
412  * that were given from the command line.  We are not
413  * going to write this index out.
414  */
415 void overlay_tree_on_index(struct index_state *istate,
416                            const char *tree_name, const char *prefix)
417 {
418         struct tree *tree;
419         struct object_id oid;
420         struct pathspec pathspec;
421         struct cache_entry *last_stage0 = NULL;
422         int i;
423
424         if (get_oid(tree_name, &oid))
425                 die("tree-ish %s not found.", tree_name);
426         tree = parse_tree_indirect(&oid);
427         if (!tree)
428                 die("bad tree-ish %s", tree_name);
429
430         /* Hoist the unmerged entries up to stage #3 to make room */
431         for (i = 0; i < istate->cache_nr; i++) {
432                 struct cache_entry *ce = istate->cache[i];
433                 if (!ce_stage(ce))
434                         continue;
435                 ce->ce_flags |= CE_STAGEMASK;
436         }
437
438         if (prefix) {
439                 static const char *(matchbuf[1]);
440                 matchbuf[0] = NULL;
441                 parse_pathspec(&pathspec, PATHSPEC_ALL_MAGIC,
442                                PATHSPEC_PREFER_CWD, prefix, matchbuf);
443         } else
444                 memset(&pathspec, 0, sizeof(pathspec));
445         if (read_tree(the_repository, tree, 1, &pathspec, istate))
446                 die("unable to read tree entries %s", tree_name);
447
448         for (i = 0; i < istate->cache_nr; i++) {
449                 struct cache_entry *ce = istate->cache[i];
450                 switch (ce_stage(ce)) {
451                 case 0:
452                         last_stage0 = ce;
453                         /* fallthru */
454                 default:
455                         continue;
456                 case 1:
457                         /*
458                          * If there is stage #0 entry for this, we do not
459                          * need to show it.  We use CE_UPDATE bit to mark
460                          * such an entry.
461                          */
462                         if (last_stage0 &&
463                             !strcmp(last_stage0->name, ce->name))
464                                 ce->ce_flags |= CE_UPDATE;
465                 }
466         }
467 }
468
469 static const char * const ls_files_usage[] = {
470         N_("git ls-files [<options>] [<file>...]"),
471         NULL
472 };
473
474 static int option_parse_exclude(const struct option *opt,
475                                 const char *arg, int unset)
476 {
477         struct string_list *exclude_list = opt->value;
478
479         BUG_ON_OPT_NEG(unset);
480
481         exc_given = 1;
482         string_list_append(exclude_list, arg);
483
484         return 0;
485 }
486
487 static int option_parse_exclude_from(const struct option *opt,
488                                      const char *arg, int unset)
489 {
490         struct dir_struct *dir = opt->value;
491
492         BUG_ON_OPT_NEG(unset);
493
494         exc_given = 1;
495         add_excludes_from_file(dir, arg);
496
497         return 0;
498 }
499
500 static int option_parse_exclude_standard(const struct option *opt,
501                                          const char *arg, int unset)
502 {
503         struct dir_struct *dir = opt->value;
504
505         BUG_ON_OPT_NEG(unset);
506         BUG_ON_OPT_ARG(arg);
507
508         exc_given = 1;
509         setup_standard_excludes(dir);
510
511         return 0;
512 }
513
514 int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix)
515 {
516         int require_work_tree = 0, show_tag = 0, i;
517         const char *max_prefix;
518         struct dir_struct dir;
519         struct exclude_list *el;
520         struct string_list exclude_list = STRING_LIST_INIT_NODUP;
521         struct option builtin_ls_files_options[] = {
522                 /* Think twice before adding "--nul" synonym to this */
523                 OPT_SET_INT('z', NULL, &line_terminator,
524                         N_("paths are separated with NUL character"), '\0'),
525                 OPT_BOOL('t', NULL, &show_tag,
526                         N_("identify the file status with tags")),
527                 OPT_BOOL('v', NULL, &show_valid_bit,
528                         N_("use lowercase letters for 'assume unchanged' files")),
529                 OPT_BOOL('f', NULL, &show_fsmonitor_bit,
530                         N_("use lowercase letters for 'fsmonitor clean' files")),
531                 OPT_BOOL('c', "cached", &show_cached,
532                         N_("show cached files in the output (default)")),
533                 OPT_BOOL('d', "deleted", &show_deleted,
534                         N_("show deleted files in the output")),
535                 OPT_BOOL('m', "modified", &show_modified,
536                         N_("show modified files in the output")),
537                 OPT_BOOL('o', "others", &show_others,
538                         N_("show other files in the output")),
539                 OPT_BIT('i', "ignored", &dir.flags,
540                         N_("show ignored files in the output"),
541                         DIR_SHOW_IGNORED),
542                 OPT_BOOL('s', "stage", &show_stage,
543                         N_("show staged contents' object name in the output")),
544                 OPT_BOOL('k', "killed", &show_killed,
545                         N_("show files on the filesystem that need to be removed")),
546                 OPT_BIT(0, "directory", &dir.flags,
547                         N_("show 'other' directories' names only"),
548                         DIR_SHOW_OTHER_DIRECTORIES),
549                 OPT_BOOL(0, "eol", &show_eol, N_("show line endings of files")),
550                 OPT_NEGBIT(0, "empty-directory", &dir.flags,
551                         N_("don't show empty directories"),
552                         DIR_HIDE_EMPTY_DIRECTORIES),
553                 OPT_BOOL('u', "unmerged", &show_unmerged,
554                         N_("show unmerged files in the output")),
555                 OPT_BOOL(0, "resolve-undo", &show_resolve_undo,
556                             N_("show resolve-undo information")),
557                 { OPTION_CALLBACK, 'x', "exclude", &exclude_list, N_("pattern"),
558                         N_("skip files matching pattern"),
559                         PARSE_OPT_NONEG, option_parse_exclude },
560                 { OPTION_CALLBACK, 'X', "exclude-from", &dir, N_("file"),
561                         N_("exclude patterns are read from <file>"),
562                         PARSE_OPT_NONEG, option_parse_exclude_from },
563                 OPT_STRING(0, "exclude-per-directory", &dir.exclude_per_dir, N_("file"),
564                         N_("read additional per-directory exclude patterns in <file>")),
565                 { OPTION_CALLBACK, 0, "exclude-standard", &dir, NULL,
566                         N_("add the standard git exclusions"),
567                         PARSE_OPT_NOARG | PARSE_OPT_NONEG,
568                         option_parse_exclude_standard },
569                 OPT_SET_INT_F(0, "full-name", &prefix_len,
570                               N_("make the output relative to the project top directory"),
571                               0, PARSE_OPT_NONEG),
572                 OPT_BOOL(0, "recurse-submodules", &recurse_submodules,
573                         N_("recurse through submodules")),
574                 OPT_BOOL(0, "error-unmatch", &error_unmatch,
575                         N_("if any <file> is not in the index, treat this as an error")),
576                 OPT_STRING(0, "with-tree", &with_tree, N_("tree-ish"),
577                         N_("pretend that paths removed since <tree-ish> are still present")),
578                 OPT__ABBREV(&abbrev),
579                 OPT_BOOL(0, "debug", &debug_mode, N_("show debugging data")),
580                 OPT_END()
581         };
582
583         if (argc == 2 && !strcmp(argv[1], "-h"))
584                 usage_with_options(ls_files_usage, builtin_ls_files_options);
585
586         memset(&dir, 0, sizeof(dir));
587         prefix = cmd_prefix;
588         if (prefix)
589                 prefix_len = strlen(prefix);
590         git_config(git_default_config, NULL);
591
592         if (repo_read_index(the_repository) < 0)
593                 die("index file corrupt");
594
595         argc = parse_options(argc, argv, prefix, builtin_ls_files_options,
596                         ls_files_usage, 0);
597         el = add_exclude_list(&dir, EXC_CMDL, "--exclude option");
598         for (i = 0; i < exclude_list.nr; i++) {
599                 add_exclude(exclude_list.items[i].string, "", 0, el, --exclude_args);
600         }
601         if (show_tag || show_valid_bit || show_fsmonitor_bit) {
602                 tag_cached = "H ";
603                 tag_unmerged = "M ";
604                 tag_removed = "R ";
605                 tag_modified = "C ";
606                 tag_other = "? ";
607                 tag_killed = "K ";
608                 tag_skip_worktree = "S ";
609                 tag_resolve_undo = "U ";
610         }
611         if (show_modified || show_others || show_deleted || (dir.flags & DIR_SHOW_IGNORED) || show_killed)
612                 require_work_tree = 1;
613         if (show_unmerged)
614                 /*
615                  * There's no point in showing unmerged unless
616                  * you also show the stage information.
617                  */
618                 show_stage = 1;
619         if (dir.exclude_per_dir)
620                 exc_given = 1;
621
622         if (require_work_tree && !is_inside_work_tree())
623                 setup_work_tree();
624
625         if (recurse_submodules &&
626             (show_stage || show_deleted || show_others || show_unmerged ||
627              show_killed || show_modified || show_resolve_undo || with_tree))
628                 die("ls-files --recurse-submodules unsupported mode");
629
630         if (recurse_submodules && error_unmatch)
631                 die("ls-files --recurse-submodules does not support "
632                     "--error-unmatch");
633
634         parse_pathspec(&pathspec, 0,
635                        PATHSPEC_PREFER_CWD,
636                        prefix, argv);
637
638         /*
639          * Find common prefix for all pathspec's
640          * This is used as a performance optimization which unfortunately cannot
641          * be done when recursing into submodules because when a pathspec is
642          * given which spans repository boundaries you can't simply remove the
643          * submodule entry because the pathspec may match something inside the
644          * submodule.
645          */
646         if (recurse_submodules)
647                 max_prefix = NULL;
648         else
649                 max_prefix = common_prefix(&pathspec);
650         max_prefix_len = get_common_prefix_len(max_prefix);
651
652         prune_index(the_repository->index, max_prefix, max_prefix_len);
653
654         /* Treat unmatching pathspec elements as errors */
655         if (pathspec.nr && error_unmatch)
656                 ps_matched = xcalloc(pathspec.nr, 1);
657
658         if ((dir.flags & DIR_SHOW_IGNORED) && !exc_given)
659                 die("ls-files --ignored needs some exclude pattern");
660
661         /* With no flags, we default to showing the cached files */
662         if (!(show_stage || show_deleted || show_others || show_unmerged ||
663               show_killed || show_modified || show_resolve_undo))
664                 show_cached = 1;
665
666         if (with_tree) {
667                 /*
668                  * Basic sanity check; show-stages and show-unmerged
669                  * would not make any sense with this option.
670                  */
671                 if (show_stage || show_unmerged)
672                         die("ls-files --with-tree is incompatible with -s or -u");
673                 overlay_tree_on_index(the_repository->index, with_tree, max_prefix);
674         }
675
676         show_files(the_repository, &dir);
677
678         if (show_resolve_undo)
679                 show_ru_info(the_repository->index);
680
681         if (ps_matched) {
682                 int bad;
683                 bad = report_path_error(ps_matched, &pathspec, prefix);
684                 if (bad)
685                         fprintf(stderr, "Did you forget to 'git add'?\n");
686
687                 return bad ? 1 : 0;
688         }
689
690         UNLEAK(dir);
691         return 0;
692 }