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.
6 * Copyright (C) Linus Torvalds, 2005
14 static int show_deleted
= 0;
15 static int show_cached
= 0;
16 static int show_others
= 0;
17 static int show_ignored
= 0;
18 static int show_stage
= 0;
19 static int show_unmerged
= 0;
20 static int show_modified
= 0;
21 static int show_killed
= 0;
22 static int show_other_directories
= 0;
23 static int line_terminator
= '\n';
25 static int prefix_len
= 0, prefix_offset
= 0;
26 static const char *prefix
= NULL
;
27 static const char **pathspec
= NULL
;
29 static const char *tag_cached
= "";
30 static const char *tag_unmerged
= "";
31 static const char *tag_removed
= "";
32 static const char *tag_other
= "";
33 static const char *tag_killed
= "";
34 static const char *tag_modified
= "";
36 static const char *exclude_per_dir
= NULL
;
38 /* We maintain three exclude pattern lists:
39 * EXC_CMDL lists patterns explicitly given on the command line.
40 * EXC_DIRS lists patterns obtained from per-directory ignore files.
41 * EXC_FILE lists patterns from fallback ignore files.
46 static struct exclude_list
{
56 static void add_exclude(const char *string
, const char *base
,
57 int baselen
, struct exclude_list
*which
)
59 struct exclude
*x
= xmalloc(sizeof (*x
));
64 if (which
->nr
== which
->alloc
) {
65 which
->alloc
= alloc_nr(which
->alloc
);
66 which
->excludes
= realloc(which
->excludes
,
67 which
->alloc
* sizeof(x
));
69 which
->excludes
[which
->nr
++] = x
;
72 static int add_excludes_from_file_1(const char *fname
,
75 struct exclude_list
*which
)
81 fd
= open(fname
, O_RDONLY
);
84 size
= lseek(fd
, 0, SEEK_END
);
87 lseek(fd
, 0, SEEK_SET
);
93 if (read(fd
, buf
, size
) != size
)
98 for (i
= 0; i
< size
; i
++) {
100 if (entry
!= buf
+ i
&& entry
[0] != '#') {
101 buf
[i
- (i
&& buf
[i
-1] == '\r')] = 0;
102 add_exclude(entry
, base
, baselen
, which
);
115 static void add_excludes_from_file(const char *fname
)
117 if (add_excludes_from_file_1(fname
, "", 0,
118 &exclude_list
[EXC_FILE
]) < 0)
119 die("cannot use %s as an exclude file", fname
);
122 static int push_exclude_per_directory(const char *base
, int baselen
)
124 char exclude_file
[PATH_MAX
];
125 struct exclude_list
*el
= &exclude_list
[EXC_DIRS
];
126 int current_nr
= el
->nr
;
128 if (exclude_per_dir
) {
129 memcpy(exclude_file
, base
, baselen
);
130 strcpy(exclude_file
+ baselen
, exclude_per_dir
);
131 add_excludes_from_file_1(exclude_file
, base
, baselen
, el
);
136 static void pop_exclude_per_directory(int stk
)
138 struct exclude_list
*el
= &exclude_list
[EXC_DIRS
];
141 free(el
->excludes
[--el
->nr
]);
144 /* Scan the list and let the last match determines the fate.
145 * Return 1 for exclude, 0 for include and -1 for undecided.
147 static int excluded_1(const char *pathname
,
149 struct exclude_list
*el
)
154 for (i
= el
->nr
- 1; 0 <= i
; i
--) {
155 struct exclude
*x
= el
->excludes
[i
];
156 const char *exclude
= x
->pattern
;
159 if (*exclude
== '!') {
164 if (!strchr(exclude
, '/')) {
166 const char *basename
= strrchr(pathname
, '/');
167 basename
= (basename
) ? basename
+1 : pathname
;
168 if (fnmatch(exclude
, basename
, 0) == 0)
172 /* match with FNM_PATHNAME:
173 * exclude has base (baselen long) implicitly
176 int baselen
= x
->baselen
;
180 if (pathlen
< baselen
||
181 (baselen
&& pathname
[baselen
-1] != '/') ||
182 strncmp(pathname
, x
->base
, baselen
))
185 if (fnmatch(exclude
, pathname
+baselen
,
191 return -1; /* undecided */
194 static int excluded(const char *pathname
)
196 int pathlen
= strlen(pathname
);
199 for (st
= EXC_CMDL
; st
<= EXC_FILE
; st
++) {
200 switch (excluded_1(pathname
, pathlen
, &exclude_list
[st
])) {
215 static struct nond_on_fs
**dir
;
217 static int dir_alloc
;
219 static void add_name(const char *pathname
, int len
)
221 struct nond_on_fs
*ent
;
223 if (cache_name_pos(pathname
, len
) >= 0)
226 if (nr_dir
== dir_alloc
) {
227 dir_alloc
= alloc_nr(dir_alloc
);
228 dir
= xrealloc(dir
, dir_alloc
*sizeof(ent
));
230 ent
= xmalloc(sizeof(*ent
) + len
+ 1);
232 memcpy(ent
->name
, pathname
, len
);
237 static int dir_exists(const char *dirname
, int len
)
239 int pos
= cache_name_pos(dirname
, len
);
243 if (pos
>= active_nr
)
245 if (strncmp(active_cache
[pos
]->name
, dirname
, len
))
247 return active_cache
[pos
]->name
[len
] == '/';
251 * Read a directory tree. We currently ignore anything but
252 * directories, regular files and symlinks. That's because git
253 * doesn't handle them at all yet. Maybe that will change some
256 * Also, we ignore the name ".git" (even if it is not a directory).
257 * That likely will not change.
259 static void read_directory(const char *path
, const char *base
, int baselen
)
261 DIR *dir
= opendir(path
);
266 char fullname
[MAXPATHLEN
+ 1];
267 memcpy(fullname
, base
, baselen
);
269 exclude_stk
= push_exclude_per_directory(base
, baselen
);
271 while ((de
= readdir(dir
)) != NULL
) {
274 if ((de
->d_name
[0] == '.') &&
275 (de
->d_name
[1] == 0 ||
276 !strcmp(de
->d_name
+ 1, ".") ||
277 !strcmp(de
->d_name
+ 1, "git")))
279 len
= strlen(de
->d_name
);
280 memcpy(fullname
+ baselen
, de
->d_name
, len
+1);
281 if (excluded(fullname
) != show_ignored
)
289 if (lstat(fullname
, &st
))
291 if (S_ISREG(st
.st_mode
) || S_ISLNK(st
.st_mode
))
293 if (!S_ISDIR(st
.st_mode
))
297 if (show_other_directories
) {
298 if (!dir_exists(fullname
, baselen
+ len
))
301 memcpy(fullname
+ baselen
+ len
, "/", 2);
302 read_directory(fullname
, fullname
,
309 add_name(fullname
, baselen
+ len
);
313 pop_exclude_per_directory(exclude_stk
);
317 static int cmp_name(const void *p1
, const void *p2
)
319 const struct nond_on_fs
*e1
= *(const struct nond_on_fs
**)p1
;
320 const struct nond_on_fs
*e2
= *(const struct nond_on_fs
**)p2
;
322 return cache_name_compare(e1
->name
, e1
->len
,
327 * Match a pathspec against a filename. The first "len" characters
328 * are the common prefix
330 static int match(const char **spec
, const char *filename
, int len
)
334 while ((m
= *spec
++) != NULL
) {
335 int matchlen
= strlen(m
+ len
);
339 if (!strncmp(m
+ len
, filename
+ len
, matchlen
)) {
340 if (m
[len
+ matchlen
- 1] == '/')
342 switch (filename
[len
+ matchlen
]) {
347 if (!fnmatch(m
+ len
, filename
+ len
, 0))
353 static void show_dir_entry(const char *tag
, struct nond_on_fs
*ent
)
355 int len
= prefix_len
;
356 int offset
= prefix_offset
;
359 die("git-ls-files: internal error - directory entry not superset of prefix");
361 if (pathspec
&& !match(pathspec
, ent
->name
, len
))
365 write_name_quoted("", 0, ent
->name
+ offset
, line_terminator
, stdout
);
366 putchar(line_terminator
);
369 static void show_other_files(void)
372 for (i
= 0; i
< nr_dir
; i
++) {
373 /* We should not have a matching entry, but we
374 * may have an unmerged entry for this path.
376 struct nond_on_fs
*ent
= dir
[i
];
377 int pos
= cache_name_pos(ent
->name
, ent
->len
);
378 struct cache_entry
*ce
;
380 die("bug in show-other-files");
382 if (pos
< active_nr
) {
383 ce
= active_cache
[pos
];
384 if (ce_namelen(ce
) == ent
->len
&&
385 !memcmp(ce
->name
, ent
->name
, ent
->len
))
386 continue; /* Yup, this one exists unmerged */
388 show_dir_entry(tag_other
, ent
);
392 static void show_killed_files(void)
395 for (i
= 0; i
< nr_dir
; i
++) {
396 struct nond_on_fs
*ent
= dir
[i
];
398 int pos
, len
, killed
= 0;
400 for (cp
= ent
->name
; cp
- ent
->name
< ent
->len
; cp
= sp
+ 1) {
401 sp
= strchr(cp
, '/');
403 /* If ent->name is prefix of an entry in the
404 * cache, it will be killed.
406 pos
= cache_name_pos(ent
->name
, ent
->len
);
408 die("bug in show-killed-files");
410 while (pos
< active_nr
&&
411 ce_stage(active_cache
[pos
]))
412 pos
++; /* skip unmerged */
413 if (active_nr
<= pos
)
415 /* pos points at a name immediately after
416 * ent->name in the cache. Does it expect
417 * ent->name to be a directory?
419 len
= ce_namelen(active_cache
[pos
]);
420 if ((ent
->len
< len
) &&
421 !strncmp(active_cache
[pos
]->name
,
422 ent
->name
, ent
->len
) &&
423 active_cache
[pos
]->name
[ent
->len
] == '/')
427 if (0 <= cache_name_pos(ent
->name
, sp
- ent
->name
)) {
428 /* If any of the leading directories in
429 * ent->name is registered in the cache,
430 * ent->name will be killed.
437 show_dir_entry(tag_killed
, dir
[i
]);
441 static void show_ce_entry(const char *tag
, struct cache_entry
*ce
)
443 int len
= prefix_len
;
444 int offset
= prefix_offset
;
446 if (len
>= ce_namelen(ce
))
447 die("git-ls-files: internal error - cache entry not superset of prefix");
449 if (pathspec
&& !match(pathspec
, ce
->name
, len
))
454 write_name_quoted("", 0, ce
->name
+ offset
,
455 line_terminator
, stdout
);
456 putchar(line_terminator
);
459 printf("%s%06o %s %d\t",
462 sha1_to_hex(ce
->sha1
),
464 write_name_quoted("", 0, ce
->name
+ offset
,
465 line_terminator
, stdout
);
466 putchar(line_terminator
);
470 static void show_files(void)
474 /* For cached/deleted files we don't need to even do the readdir */
475 if (show_others
|| show_killed
) {
476 const char *path
= ".", *base
= "";
477 int baselen
= prefix_len
;
480 path
= base
= prefix
;
481 read_directory(path
, base
, baselen
);
482 qsort(dir
, nr_dir
, sizeof(struct nond_on_fs
*), cmp_name
);
488 if (show_cached
| show_stage
) {
489 for (i
= 0; i
< active_nr
; i
++) {
490 struct cache_entry
*ce
= active_cache
[i
];
491 if (excluded(ce
->name
) != show_ignored
)
493 if (show_unmerged
&& !ce_stage(ce
))
495 show_ce_entry(ce_stage(ce
) ? tag_unmerged
: tag_cached
, ce
);
498 if (show_deleted
| show_modified
) {
499 for (i
= 0; i
< active_nr
; i
++) {
500 struct cache_entry
*ce
= active_cache
[i
];
503 if (excluded(ce
->name
) != show_ignored
)
505 err
= lstat(ce
->name
, &st
);
506 if (show_deleted
&& err
)
507 show_ce_entry(tag_removed
, ce
);
508 if (show_modified
&& ce_modified(ce
, &st
))
509 show_ce_entry(tag_modified
, ce
);
515 * Prune the index to only contain stuff starting with "prefix"
517 static void prune_cache(void)
519 int pos
= cache_name_pos(prefix
, prefix_len
);
520 unsigned int first
, last
;
528 while (last
> first
) {
529 int next
= (last
+ first
) >> 1;
530 struct cache_entry
*ce
= active_cache
[next
];
531 if (!strncmp(ce
->name
, prefix
, prefix_len
)) {
540 static void verify_pathspec(void)
542 const char **p
, *n
, *prev
;
548 for (p
= pathspec
; (n
= *p
) != NULL
; p
++) {
550 for (i
= 0; i
< max
; i
++) {
552 if (prev
&& prev
[i
] != c
)
554 if (!c
|| c
== '*' || c
== '?')
567 if (prefix_offset
> max
|| memcmp(prev
, prefix
, prefix_offset
))
568 die("git-ls-files: cannot generate relative filenames containing '..'");
573 real_prefix
= xmalloc(max
+ 1);
574 memcpy(real_prefix
, prev
, max
);
575 real_prefix
[max
] = 0;
577 prefix
= real_prefix
;
580 static const char ls_files_usage
[] =
581 "git-ls-files [-z] [-t] (--[cached|deleted|others|stage|unmerged|killed|modified])* "
582 "[ --ignored ] [--exclude=<pattern>] [--exclude-from=<file>] "
583 "[ --exclude-per-directory=<filename> ] [--full-name] [--] [<file>]*";
585 int main(int argc
, const char **argv
)
590 prefix
= setup_git_directory();
592 prefix_offset
= strlen(prefix
);
593 git_config(git_default_config
);
595 for (i
= 1; i
< argc
; i
++) {
596 const char *arg
= argv
[i
];
598 if (!strcmp(arg
, "--")) {
602 if (!strcmp(arg
, "-z")) {
606 if (!strcmp(arg
, "-t")) {
615 if (!strcmp(arg
, "-c") || !strcmp(arg
, "--cached")) {
619 if (!strcmp(arg
, "-d") || !strcmp(arg
, "--deleted")) {
623 if (!strcmp(arg
, "-m") || !strcmp(arg
, "--modified")) {
627 if (!strcmp(arg
, "-o") || !strcmp(arg
, "--others")) {
631 if (!strcmp(arg
, "-i") || !strcmp(arg
, "--ignored")) {
635 if (!strcmp(arg
, "-s") || !strcmp(arg
, "--stage")) {
639 if (!strcmp(arg
, "-k") || !strcmp(arg
, "--killed")) {
643 if (!strcmp(arg
, "--directory")) {
644 show_other_directories
= 1;
647 if (!strcmp(arg
, "-u") || !strcmp(arg
, "--unmerged")) {
648 /* There's no point in showing unmerged unless
649 * you also show the stage information.
655 if (!strcmp(arg
, "-x") && i
+1 < argc
) {
657 add_exclude(argv
[++i
], "", 0, &exclude_list
[EXC_CMDL
]);
660 if (!strncmp(arg
, "--exclude=", 10)) {
662 add_exclude(arg
+10, "", 0, &exclude_list
[EXC_CMDL
]);
665 if (!strcmp(arg
, "-X") && i
+1 < argc
) {
667 add_excludes_from_file(argv
[++i
]);
670 if (!strncmp(arg
, "--exclude-from=", 15)) {
672 add_excludes_from_file(arg
+15);
675 if (!strncmp(arg
, "--exclude-per-directory=", 24)) {
677 exclude_per_dir
= arg
+ 24;
680 if (!strcmp(arg
, "--full-name")) {
685 usage(ls_files_usage
);
689 pathspec
= get_pathspec(prefix
, argv
+ i
);
691 /* Verify that the pathspec matches the prefix */
695 if (show_ignored
&& !exc_given
) {
696 fprintf(stderr
, "%s: --ignored needs some exclude pattern\n",
701 /* With no flags, we default to showing the cached files */
702 if (!(show_stage
| show_deleted
| show_others
| show_unmerged
|
703 show_killed
| show_modified
))