2 * This handles recursive filename detection with exclude
3 * files, index knowledge etc..
5 * See Documentation/technical/api-directory-listing.txt
7 * Copyright (C) Linus Torvalds, 2005-2006
8 * Junio Hamano, 2005-2006
13 #include "object-store.h"
16 #include "wildmatch.h"
20 #include "ewah/ewok.h"
21 #include "fsmonitor.h"
22 #include "submodule-config.h"
25 * Tells read_directory_recursive how a file or directory should be treated.
26 * Values are ordered by significance, e.g. if a directory contains both
27 * excluded and untracked files, it is listed as untracked because
28 * path_untracked > path_excluded.
38 * Support data structure for our opendir/readdir/closedir wrappers
42 struct untracked_cache_dir
*untracked
;
48 struct untracked_cache_dir
*ucd
;
51 static enum path_treatment
read_directory_recursive(struct dir_struct
*dir
,
52 struct index_state
*istate
, const char *path
, int len
,
53 struct untracked_cache_dir
*untracked
,
54 int check_only
, int stop_at_first_file
, const struct pathspec
*pathspec
);
55 static int get_dtype(struct dirent
*de
, struct index_state
*istate
,
56 const char *path
, int len
);
58 int count_slashes(const char *s
)
67 int fspathcmp(const char *a
, const char *b
)
69 return ignore_case
? strcasecmp(a
, b
) : strcmp(a
, b
);
72 int fspathncmp(const char *a
, const char *b
, size_t count
)
74 return ignore_case
? strncasecmp(a
, b
, count
) : strncmp(a
, b
, count
);
77 int git_fnmatch(const struct pathspec_item
*item
,
78 const char *pattern
, const char *string
,
82 if (ps_strncmp(item
, pattern
, string
, prefix
))
87 if (item
->flags
& PATHSPEC_ONESTAR
) {
88 int pattern_len
= strlen(++pattern
);
89 int string_len
= strlen(string
);
90 return string_len
< pattern_len
||
91 ps_strcmp(item
, pattern
,
92 string
+ string_len
- pattern_len
);
94 if (item
->magic
& PATHSPEC_GLOB
)
95 return wildmatch(pattern
, string
,
97 (item
->magic
& PATHSPEC_ICASE
? WM_CASEFOLD
: 0));
99 /* wildmatch has not learned no FNM_PATHNAME mode yet */
100 return wildmatch(pattern
, string
,
101 item
->magic
& PATHSPEC_ICASE
? WM_CASEFOLD
: 0);
104 static int fnmatch_icase_mem(const char *pattern
, int patternlen
,
105 const char *string
, int stringlen
,
109 struct strbuf pat_buf
= STRBUF_INIT
;
110 struct strbuf str_buf
= STRBUF_INIT
;
111 const char *use_pat
= pattern
;
112 const char *use_str
= string
;
114 if (pattern
[patternlen
]) {
115 strbuf_add(&pat_buf
, pattern
, patternlen
);
116 use_pat
= pat_buf
.buf
;
118 if (string
[stringlen
]) {
119 strbuf_add(&str_buf
, string
, stringlen
);
120 use_str
= str_buf
.buf
;
124 flags
|= WM_CASEFOLD
;
125 match_status
= wildmatch(use_pat
, use_str
, flags
);
127 strbuf_release(&pat_buf
);
128 strbuf_release(&str_buf
);
133 static size_t common_prefix_len(const struct pathspec
*pathspec
)
139 * ":(icase)path" is treated as a pathspec full of
140 * wildcard. In other words, only prefix is considered common
141 * prefix. If the pathspec is abc/foo abc/bar, running in
142 * subdir xyz, the common prefix is still xyz, not xuz/abc as
145 GUARD_PATHSPEC(pathspec
,
154 for (n
= 0; n
< pathspec
->nr
; n
++) {
155 size_t i
= 0, len
= 0, item_len
;
156 if (pathspec
->items
[n
].magic
& PATHSPEC_EXCLUDE
)
158 if (pathspec
->items
[n
].magic
& PATHSPEC_ICASE
)
159 item_len
= pathspec
->items
[n
].prefix
;
161 item_len
= pathspec
->items
[n
].nowildcard_len
;
162 while (i
< item_len
&& (n
== 0 || i
< max
)) {
163 char c
= pathspec
->items
[n
].match
[i
];
164 if (c
!= pathspec
->items
[0].match
[i
])
170 if (n
== 0 || len
< max
) {
180 * Returns a copy of the longest leading path common among all
183 char *common_prefix(const struct pathspec
*pathspec
)
185 unsigned long len
= common_prefix_len(pathspec
);
187 return len
? xmemdupz(pathspec
->items
[0].match
, len
) : NULL
;
190 int fill_directory(struct dir_struct
*dir
,
191 struct index_state
*istate
,
192 const struct pathspec
*pathspec
)
198 * Calculate common prefix for the pathspec, and
199 * use that to optimize the directory walk
201 prefix_len
= common_prefix_len(pathspec
);
202 prefix
= prefix_len
? pathspec
->items
[0].match
: "";
204 /* Read the directory and prune it */
205 read_directory(dir
, istate
, prefix
, prefix_len
, pathspec
);
210 int within_depth(const char *name
, int namelen
,
211 int depth
, int max_depth
)
213 const char *cp
= name
, *cpe
= name
+ namelen
;
219 if (depth
> max_depth
)
226 * Read the contents of the blob with the given OID into a buffer.
227 * Append a trailing LF to the end if the last line doesn't have one.
230 * -1 when the OID is invalid or unknown or does not refer to a blob.
231 * 0 when the blob is empty.
232 * 1 along with { data, size } of the (possibly augmented) buffer
235 * Optionally updates the given oid_stat with the given OID (when valid).
237 static int do_read_blob(const struct object_id
*oid
, struct oid_stat
*oid_stat
,
238 size_t *size_out
, char **data_out
)
240 enum object_type type
;
247 data
= read_object_file(oid
, &type
, &sz
);
248 if (!data
|| type
!= OBJ_BLOB
) {
254 memset(&oid_stat
->stat
, 0, sizeof(oid_stat
->stat
));
255 oidcpy(&oid_stat
->oid
, oid
);
263 if (data
[sz
- 1] != '\n') {
264 data
= xrealloc(data
, st_add(sz
, 1));
268 *size_out
= xsize_t(sz
);
274 #define DO_MATCH_EXCLUDE (1<<0)
275 #define DO_MATCH_DIRECTORY (1<<1)
276 #define DO_MATCH_SUBMODULE (1<<2)
278 static int match_attrs(const struct index_state
*istate
,
279 const char *name
, int namelen
,
280 const struct pathspec_item
*item
)
283 char *to_free
= NULL
;
286 name
= to_free
= xmemdupz(name
, namelen
);
288 git_check_attr(istate
, name
, item
->attr_check
);
292 for (i
= 0; i
< item
->attr_match_nr
; i
++) {
295 enum attr_match_mode match_mode
;
297 value
= item
->attr_check
->items
[i
].value
;
298 match_mode
= item
->attr_match
[i
].match_mode
;
300 if (ATTR_TRUE(value
))
301 matched
= (match_mode
== MATCH_SET
);
302 else if (ATTR_FALSE(value
))
303 matched
= (match_mode
== MATCH_UNSET
);
304 else if (ATTR_UNSET(value
))
305 matched
= (match_mode
== MATCH_UNSPECIFIED
);
307 matched
= (match_mode
== MATCH_VALUE
&&
308 !strcmp(item
->attr_match
[i
].value
, value
));
317 * Does 'match' match the given name?
318 * A match is found if
320 * (1) the 'match' string is leading directory of 'name', or
321 * (2) the 'match' string is a wildcard and matches 'name', or
322 * (3) the 'match' string is exactly the same as 'name'.
324 * and the return value tells which case it was.
326 * It returns 0 when there is no match.
328 static int match_pathspec_item(const struct index_state
*istate
,
329 const struct pathspec_item
*item
, int prefix
,
330 const char *name
, int namelen
, unsigned flags
)
332 /* name/namelen has prefix cut off by caller */
333 const char *match
= item
->match
+ prefix
;
334 int matchlen
= item
->len
- prefix
;
337 * The normal call pattern is:
338 * 1. prefix = common_prefix_len(ps);
339 * 2. prune something, or fill_directory
340 * 3. match_pathspec()
342 * 'prefix' at #1 may be shorter than the command's prefix and
343 * it's ok for #2 to match extra files. Those extras will be
346 * Suppose the pathspec is 'foo' and '../bar' running from
347 * subdir 'xyz'. The common prefix at #1 will be empty, thanks
348 * to "../". We may have xyz/foo _and_ XYZ/foo after #2. The
349 * user does not want XYZ/foo, only the "foo" part should be
350 * case-insensitive. We need to filter out XYZ/foo here. In
351 * other words, we do not trust the caller on comparing the
352 * prefix part when :(icase) is involved. We do exact
353 * comparison ourselves.
355 * Normally the caller (common_prefix_len() in fact) does
356 * _exact_ matching on name[-prefix+1..-1] and we do not need
357 * to check that part. Be defensive and check it anyway, in
358 * case common_prefix_len is changed, or a new caller is
359 * introduced that does not use common_prefix_len.
361 * If the penalty turns out too high when prefix is really
362 * long, maybe change it to
363 * strncmp(match, name, item->prefix - prefix)
365 if (item
->prefix
&& (item
->magic
& PATHSPEC_ICASE
) &&
366 strncmp(item
->match
, name
- prefix
, item
->prefix
))
369 if (item
->attr_match_nr
&& !match_attrs(istate
, name
, namelen
, item
))
372 /* If the match was just the prefix, we matched */
374 return MATCHED_RECURSIVELY
;
376 if (matchlen
<= namelen
&& !ps_strncmp(item
, match
, name
, matchlen
)) {
377 if (matchlen
== namelen
)
378 return MATCHED_EXACTLY
;
380 if (match
[matchlen
-1] == '/' || name
[matchlen
] == '/')
381 return MATCHED_RECURSIVELY
;
382 } else if ((flags
& DO_MATCH_DIRECTORY
) &&
383 match
[matchlen
- 1] == '/' &&
384 namelen
== matchlen
- 1 &&
385 !ps_strncmp(item
, match
, name
, namelen
))
386 return MATCHED_EXACTLY
;
388 if (item
->nowildcard_len
< item
->len
&&
389 !git_fnmatch(item
, match
, name
,
390 item
->nowildcard_len
- prefix
))
391 return MATCHED_FNMATCH
;
393 /* Perform checks to see if "name" is a super set of the pathspec */
394 if (flags
& DO_MATCH_SUBMODULE
) {
395 /* name is a literal prefix of the pathspec */
396 if ((namelen
< matchlen
) &&
397 (match
[namelen
] == '/') &&
398 !ps_strncmp(item
, match
, name
, namelen
))
399 return MATCHED_RECURSIVELY
;
401 /* name" doesn't match up to the first wild character */
402 if (item
->nowildcard_len
< item
->len
&&
403 ps_strncmp(item
, match
, name
,
404 item
->nowildcard_len
- prefix
))
408 * Here is where we would perform a wildmatch to check if
409 * "name" can be matched as a directory (or a prefix) against
410 * the pathspec. Since wildmatch doesn't have this capability
411 * at the present we have to punt and say that it is a match,
412 * potentially returning a false positive
413 * The submodules themselves will be able to perform more
414 * accurate matching to determine if the pathspec matches.
416 return MATCHED_RECURSIVELY
;
423 * Given a name and a list of pathspecs, returns the nature of the
424 * closest (i.e. most specific) match of the name to any of the
427 * The caller typically calls this multiple times with the same
428 * pathspec and seen[] array but with different name/namelen
429 * (e.g. entries from the index) and is interested in seeing if and
430 * how each pathspec matches all the names it calls this function
431 * with. A mark is left in the seen[] array for each pathspec element
432 * indicating the closest type of match that element achieved, so if
433 * seen[n] remains zero after multiple invocations, that means the nth
434 * pathspec did not match any names, which could indicate that the
435 * user mistyped the nth pathspec.
437 static int do_match_pathspec(const struct index_state
*istate
,
438 const struct pathspec
*ps
,
439 const char *name
, int namelen
,
440 int prefix
, char *seen
,
443 int i
, retval
= 0, exclude
= flags
& DO_MATCH_EXCLUDE
;
455 if (!ps
->recursive
||
456 !(ps
->magic
& PATHSPEC_MAXDEPTH
) ||
458 return MATCHED_RECURSIVELY
;
460 if (within_depth(name
, namelen
, 0, ps
->max_depth
))
461 return MATCHED_EXACTLY
;
469 for (i
= ps
->nr
- 1; i
>= 0; i
--) {
472 if ((!exclude
&& ps
->items
[i
].magic
& PATHSPEC_EXCLUDE
) ||
473 ( exclude
&& !(ps
->items
[i
].magic
& PATHSPEC_EXCLUDE
)))
476 if (seen
&& seen
[i
] == MATCHED_EXACTLY
)
479 * Make exclude patterns optional and never report
480 * "pathspec ':(exclude)foo' matches no files"
482 if (seen
&& ps
->items
[i
].magic
& PATHSPEC_EXCLUDE
)
483 seen
[i
] = MATCHED_FNMATCH
;
484 how
= match_pathspec_item(istate
, ps
->items
+i
, prefix
, name
,
487 (ps
->magic
& PATHSPEC_MAXDEPTH
) &&
488 ps
->max_depth
!= -1 &&
489 how
&& how
!= MATCHED_FNMATCH
) {
490 int len
= ps
->items
[i
].len
;
491 if (name
[len
] == '/')
493 if (within_depth(name
+len
, namelen
-len
, 0, ps
->max_depth
))
494 how
= MATCHED_EXACTLY
;
501 if (seen
&& seen
[i
] < how
)
508 int match_pathspec(const struct index_state
*istate
,
509 const struct pathspec
*ps
,
510 const char *name
, int namelen
,
511 int prefix
, char *seen
, int is_dir
)
513 int positive
, negative
;
514 unsigned flags
= is_dir
? DO_MATCH_DIRECTORY
: 0;
515 positive
= do_match_pathspec(istate
, ps
, name
, namelen
,
516 prefix
, seen
, flags
);
517 if (!(ps
->magic
& PATHSPEC_EXCLUDE
) || !positive
)
519 negative
= do_match_pathspec(istate
, ps
, name
, namelen
,
521 flags
| DO_MATCH_EXCLUDE
);
522 return negative
? 0 : positive
;
526 * Check if a submodule is a superset of the pathspec
528 int submodule_path_match(const struct index_state
*istate
,
529 const struct pathspec
*ps
,
530 const char *submodule_name
,
533 int matched
= do_match_pathspec(istate
, ps
, submodule_name
,
534 strlen(submodule_name
),
541 int report_path_error(const char *ps_matched
,
542 const struct pathspec
*pathspec
,
546 * Make sure all pathspec matched; otherwise it is an error.
549 for (num
= 0; num
< pathspec
->nr
; num
++) {
550 int other
, found_dup
;
555 * The caller might have fed identical pathspec
556 * twice. Do not barf on such a mistake.
557 * FIXME: parse_pathspec should have eliminated
558 * duplicate pathspec.
560 for (found_dup
= other
= 0;
561 !found_dup
&& other
< pathspec
->nr
;
563 if (other
== num
|| !ps_matched
[other
])
565 if (!strcmp(pathspec
->items
[other
].original
,
566 pathspec
->items
[num
].original
))
568 * Ok, we have a match already.
575 error(_("pathspec '%s' did not match any file(s) known to git"),
576 pathspec
->items
[num
].original
);
583 * Return the length of the "simple" part of a path match limiter.
585 int simple_length(const char *match
)
590 unsigned char c
= *match
++;
592 if (c
== '\0' || is_glob_special(c
))
597 int no_wildcard(const char *string
)
599 return string
[simple_length(string
)] == '\0';
602 void parse_exclude_pattern(const char **pattern
,
607 const char *p
= *pattern
;
612 *flags
|= EXC_FLAG_NEGATIVE
;
616 if (len
&& p
[len
- 1] == '/') {
618 *flags
|= EXC_FLAG_MUSTBEDIR
;
620 for (i
= 0; i
< len
; i
++) {
625 *flags
|= EXC_FLAG_NODIR
;
626 *nowildcardlen
= simple_length(p
);
628 * we should have excluded the trailing slash from 'p' too,
629 * but that's one more allocation. Instead just make sure
630 * nowildcardlen does not exceed real patternlen
632 if (*nowildcardlen
> len
)
633 *nowildcardlen
= len
;
634 if (*p
== '*' && no_wildcard(p
+ 1))
635 *flags
|= EXC_FLAG_ENDSWITH
;
640 void add_exclude(const char *string
, const char *base
,
641 int baselen
, struct exclude_list
*el
, int srcpos
)
648 parse_exclude_pattern(&string
, &patternlen
, &flags
, &nowildcardlen
);
649 if (flags
& EXC_FLAG_MUSTBEDIR
) {
650 FLEXPTR_ALLOC_MEM(x
, pattern
, string
, patternlen
);
652 x
= xmalloc(sizeof(*x
));
655 x
->patternlen
= patternlen
;
656 x
->nowildcardlen
= nowildcardlen
;
658 x
->baselen
= baselen
;
661 ALLOC_GROW(el
->excludes
, el
->nr
+ 1, el
->alloc
);
662 el
->excludes
[el
->nr
++] = x
;
666 static int read_skip_worktree_file_from_index(const struct index_state
*istate
,
668 size_t *size_out
, char **data_out
,
669 struct oid_stat
*oid_stat
)
674 pos
= index_name_pos(istate
, path
, len
);
677 if (!ce_skip_worktree(istate
->cache
[pos
]))
680 return do_read_blob(&istate
->cache
[pos
]->oid
, oid_stat
, size_out
, data_out
);
684 * Frees memory within el which was allocated for exclude patterns and
685 * the file buffer. Does not free el itself.
687 void clear_exclude_list(struct exclude_list
*el
)
691 for (i
= 0; i
< el
->nr
; i
++)
692 free(el
->excludes
[i
]);
696 memset(el
, 0, sizeof(*el
));
699 static void trim_trailing_spaces(char *buf
)
701 char *p
, *last_space
= NULL
;
703 for (p
= buf
; *p
; p
++)
723 * Given a subdirectory name and "dir" of the current directory,
724 * search the subdir in "dir" and return it, or create a new one if it
725 * does not exist in "dir".
727 * If "name" has the trailing slash, it'll be excluded in the search.
729 static struct untracked_cache_dir
*lookup_untracked(struct untracked_cache
*uc
,
730 struct untracked_cache_dir
*dir
,
731 const char *name
, int len
)
734 struct untracked_cache_dir
*d
;
737 if (len
&& name
[len
- 1] == '/')
741 while (last
> first
) {
742 int cmp
, next
= (last
+ first
) >> 1;
744 cmp
= strncmp(name
, d
->name
, len
);
745 if (!cmp
&& strlen(d
->name
) > len
)
757 FLEX_ALLOC_MEM(d
, name
, name
, len
);
759 ALLOC_GROW(dir
->dirs
, dir
->dirs_nr
+ 1, dir
->dirs_alloc
);
760 MOVE_ARRAY(dir
->dirs
+ first
+ 1, dir
->dirs
+ first
,
761 dir
->dirs_nr
- first
);
763 dir
->dirs
[first
] = d
;
767 static void do_invalidate_gitignore(struct untracked_cache_dir
*dir
)
771 dir
->untracked_nr
= 0;
772 for (i
= 0; i
< dir
->dirs_nr
; i
++)
773 do_invalidate_gitignore(dir
->dirs
[i
]);
776 static void invalidate_gitignore(struct untracked_cache
*uc
,
777 struct untracked_cache_dir
*dir
)
779 uc
->gitignore_invalidated
++;
780 do_invalidate_gitignore(dir
);
783 static void invalidate_directory(struct untracked_cache
*uc
,
784 struct untracked_cache_dir
*dir
)
789 * Invalidation increment here is just roughly correct. If
790 * untracked_nr or any of dirs[].recurse is non-zero, we
791 * should increment dir_invalidated too. But that's more
795 uc
->dir_invalidated
++;
798 dir
->untracked_nr
= 0;
799 for (i
= 0; i
< dir
->dirs_nr
; i
++)
800 dir
->dirs
[i
]->recurse
= 0;
803 static int add_excludes_from_buffer(char *buf
, size_t size
,
804 const char *base
, int baselen
,
805 struct exclude_list
*el
);
808 * Given a file with name "fname", read it (either from disk, or from
809 * an index if 'istate' is non-null), parse it and store the
810 * exclude rules in "el".
812 * If "ss" is not NULL, compute SHA-1 of the exclude file and fill
813 * stat data from disk (only valid if add_excludes returns zero). If
814 * ss_valid is non-zero, "ss" must contain good value as input.
816 static int add_excludes(const char *fname
, const char *base
, int baselen
,
817 struct exclude_list
*el
, struct index_state
*istate
,
818 struct oid_stat
*oid_stat
)
826 fd
= open(fname
, O_RDONLY
);
827 if (fd
< 0 || fstat(fd
, &st
) < 0) {
829 warn_on_fopen_errors(fname
);
834 r
= read_skip_worktree_file_from_index(istate
, fname
,
840 size
= xsize_t(st
.st_size
);
843 fill_stat_data(&oid_stat
->stat
, &st
);
844 oidcpy(&oid_stat
->oid
, the_hash_algo
->empty_blob
);
850 buf
= xmallocz(size
);
851 if (read_in_full(fd
, buf
, size
) != size
) {
860 if (oid_stat
->valid
&&
861 !match_stat_data_racy(istate
, &oid_stat
->stat
, &st
))
862 ; /* no content change, ss->sha1 still good */
864 (pos
= index_name_pos(istate
, fname
, strlen(fname
))) >= 0 &&
865 !ce_stage(istate
->cache
[pos
]) &&
866 ce_uptodate(istate
->cache
[pos
]) &&
867 !would_convert_to_git(istate
, fname
))
868 oidcpy(&oid_stat
->oid
,
869 &istate
->cache
[pos
]->oid
);
871 hash_object_file(buf
, size
, "blob",
873 fill_stat_data(&oid_stat
->stat
, &st
);
878 add_excludes_from_buffer(buf
, size
, base
, baselen
, el
);
882 static int add_excludes_from_buffer(char *buf
, size_t size
,
883 const char *base
, int baselen
,
884 struct exclude_list
*el
)
891 if (skip_utf8_bom(&buf
, size
))
892 size
-= buf
- el
->filebuf
;
896 for (i
= 0; i
< size
; i
++) {
897 if (buf
[i
] == '\n') {
898 if (entry
!= buf
+ i
&& entry
[0] != '#') {
899 buf
[i
- (i
&& buf
[i
-1] == '\r')] = 0;
900 trim_trailing_spaces(entry
);
901 add_exclude(entry
, base
, baselen
, el
, lineno
);
910 int add_excludes_from_file_to_list(const char *fname
, const char *base
,
911 int baselen
, struct exclude_list
*el
,
912 struct index_state
*istate
)
914 return add_excludes(fname
, base
, baselen
, el
, istate
, NULL
);
917 int add_excludes_from_blob_to_list(
918 struct object_id
*oid
,
919 const char *base
, int baselen
,
920 struct exclude_list
*el
)
926 r
= do_read_blob(oid
, NULL
, &size
, &buf
);
930 add_excludes_from_buffer(buf
, size
, base
, baselen
, el
);
934 struct exclude_list
*add_exclude_list(struct dir_struct
*dir
,
935 int group_type
, const char *src
)
937 struct exclude_list
*el
;
938 struct exclude_list_group
*group
;
940 group
= &dir
->exclude_list_group
[group_type
];
941 ALLOC_GROW(group
->el
, group
->nr
+ 1, group
->alloc
);
942 el
= &group
->el
[group
->nr
++];
943 memset(el
, 0, sizeof(*el
));
949 * Used to set up core.excludesfile and .git/info/exclude lists.
951 static void add_excludes_from_file_1(struct dir_struct
*dir
, const char *fname
,
952 struct oid_stat
*oid_stat
)
954 struct exclude_list
*el
;
956 * catch setup_standard_excludes() that's called before
957 * dir->untracked is assigned. That function behaves
958 * differently when dir->untracked is non-NULL.
961 dir
->unmanaged_exclude_files
++;
962 el
= add_exclude_list(dir
, EXC_FILE
, fname
);
963 if (add_excludes(fname
, "", 0, el
, NULL
, oid_stat
) < 0)
964 die(_("cannot use %s as an exclude file"), fname
);
967 void add_excludes_from_file(struct dir_struct
*dir
, const char *fname
)
969 dir
->unmanaged_exclude_files
++; /* see validate_untracked_cache() */
970 add_excludes_from_file_1(dir
, fname
, NULL
);
973 int match_basename(const char *basename
, int basenamelen
,
974 const char *pattern
, int prefix
, int patternlen
,
977 if (prefix
== patternlen
) {
978 if (patternlen
== basenamelen
&&
979 !fspathncmp(pattern
, basename
, basenamelen
))
981 } else if (flags
& EXC_FLAG_ENDSWITH
) {
982 /* "*literal" matching against "fooliteral" */
983 if (patternlen
- 1 <= basenamelen
&&
984 !fspathncmp(pattern
+ 1,
985 basename
+ basenamelen
- (patternlen
- 1),
989 if (fnmatch_icase_mem(pattern
, patternlen
,
990 basename
, basenamelen
,
997 int match_pathname(const char *pathname
, int pathlen
,
998 const char *base
, int baselen
,
999 const char *pattern
, int prefix
, int patternlen
,
1006 * match with FNM_PATHNAME; the pattern has base implicitly
1009 if (*pattern
== '/') {
1016 * baselen does not count the trailing slash. base[] may or
1017 * may not end with a trailing slash though.
1019 if (pathlen
< baselen
+ 1 ||
1020 (baselen
&& pathname
[baselen
] != '/') ||
1021 fspathncmp(pathname
, base
, baselen
))
1024 namelen
= baselen
? pathlen
- baselen
- 1 : pathlen
;
1025 name
= pathname
+ pathlen
- namelen
;
1029 * if the non-wildcard part is longer than the
1030 * remaining pathname, surely it cannot match.
1032 if (prefix
> namelen
)
1035 if (fspathncmp(pattern
, name
, prefix
))
1038 patternlen
-= prefix
;
1043 * If the whole pattern did not have a wildcard,
1044 * then our prefix match is all we need; we
1045 * do not need to call fnmatch at all.
1047 if (!patternlen
&& !namelen
)
1051 return fnmatch_icase_mem(pattern
, patternlen
,
1057 * Scan the given exclude list in reverse to see whether pathname
1058 * should be ignored. The first match (i.e. the last on the list), if
1059 * any, determines the fate. Returns the exclude_list element which
1060 * matched, or NULL for undecided.
1062 static struct exclude
*last_exclude_matching_from_list(const char *pathname
,
1064 const char *basename
,
1066 struct exclude_list
*el
,
1067 struct index_state
*istate
)
1069 struct exclude
*exc
= NULL
; /* undecided */
1073 return NULL
; /* undefined */
1075 for (i
= el
->nr
- 1; 0 <= i
; i
--) {
1076 struct exclude
*x
= el
->excludes
[i
];
1077 const char *exclude
= x
->pattern
;
1078 int prefix
= x
->nowildcardlen
;
1080 if (x
->flags
& EXC_FLAG_MUSTBEDIR
) {
1081 if (*dtype
== DT_UNKNOWN
)
1082 *dtype
= get_dtype(NULL
, istate
, pathname
, pathlen
);
1083 if (*dtype
!= DT_DIR
)
1087 if (x
->flags
& EXC_FLAG_NODIR
) {
1088 if (match_basename(basename
,
1089 pathlen
- (basename
- pathname
),
1090 exclude
, prefix
, x
->patternlen
,
1098 assert(x
->baselen
== 0 || x
->base
[x
->baselen
- 1] == '/');
1099 if (match_pathname(pathname
, pathlen
,
1100 x
->base
, x
->baselen
? x
->baselen
- 1 : 0,
1101 exclude
, prefix
, x
->patternlen
, x
->flags
)) {
1110 * Scan the list and let the last match determine the fate.
1111 * Return 1 for exclude, 0 for include and -1 for undecided.
1113 int is_excluded_from_list(const char *pathname
,
1114 int pathlen
, const char *basename
, int *dtype
,
1115 struct exclude_list
*el
, struct index_state
*istate
)
1117 struct exclude
*exclude
;
1118 exclude
= last_exclude_matching_from_list(pathname
, pathlen
, basename
,
1121 return exclude
->flags
& EXC_FLAG_NEGATIVE
? 0 : 1;
1122 return -1; /* undecided */
1125 static struct exclude
*last_exclude_matching_from_lists(struct dir_struct
*dir
,
1126 struct index_state
*istate
,
1127 const char *pathname
, int pathlen
, const char *basename
,
1131 struct exclude_list_group
*group
;
1132 struct exclude
*exclude
;
1133 for (i
= EXC_CMDL
; i
<= EXC_FILE
; i
++) {
1134 group
= &dir
->exclude_list_group
[i
];
1135 for (j
= group
->nr
- 1; j
>= 0; j
--) {
1136 exclude
= last_exclude_matching_from_list(
1137 pathname
, pathlen
, basename
, dtype_p
,
1138 &group
->el
[j
], istate
);
1147 * Loads the per-directory exclude list for the substring of base
1148 * which has a char length of baselen.
1150 static void prep_exclude(struct dir_struct
*dir
,
1151 struct index_state
*istate
,
1152 const char *base
, int baselen
)
1154 struct exclude_list_group
*group
;
1155 struct exclude_list
*el
;
1156 struct exclude_stack
*stk
= NULL
;
1157 struct untracked_cache_dir
*untracked
;
1160 group
= &dir
->exclude_list_group
[EXC_DIRS
];
1163 * Pop the exclude lists from the EXCL_DIRS exclude_list_group
1164 * which originate from directories not in the prefix of the
1165 * path being checked.
1167 while ((stk
= dir
->exclude_stack
) != NULL
) {
1168 if (stk
->baselen
<= baselen
&&
1169 !strncmp(dir
->basebuf
.buf
, base
, stk
->baselen
))
1171 el
= &group
->el
[dir
->exclude_stack
->exclude_ix
];
1172 dir
->exclude_stack
= stk
->prev
;
1173 dir
->exclude
= NULL
;
1174 free((char *)el
->src
); /* see strbuf_detach() below */
1175 clear_exclude_list(el
);
1180 /* Skip traversing into sub directories if the parent is excluded */
1185 * Lazy initialization. All call sites currently just
1186 * memset(dir, 0, sizeof(*dir)) before use. Changing all of
1187 * them seems lots of work for little benefit.
1189 if (!dir
->basebuf
.buf
)
1190 strbuf_init(&dir
->basebuf
, PATH_MAX
);
1192 /* Read from the parent directories and push them down. */
1193 current
= stk
? stk
->baselen
: -1;
1194 strbuf_setlen(&dir
->basebuf
, current
< 0 ? 0 : current
);
1196 untracked
= stk
? stk
->ucd
: dir
->untracked
->root
;
1200 while (current
< baselen
) {
1202 struct oid_stat oid_stat
;
1204 stk
= xcalloc(1, sizeof(*stk
));
1209 cp
= strchr(base
+ current
+ 1, '/');
1211 die("oops in prep_exclude");
1214 lookup_untracked(dir
->untracked
, untracked
,
1216 cp
- base
- current
);
1218 stk
->prev
= dir
->exclude_stack
;
1219 stk
->baselen
= cp
- base
;
1220 stk
->exclude_ix
= group
->nr
;
1221 stk
->ucd
= untracked
;
1222 el
= add_exclude_list(dir
, EXC_DIRS
, NULL
);
1223 strbuf_add(&dir
->basebuf
, base
+ current
, stk
->baselen
- current
);
1224 assert(stk
->baselen
== dir
->basebuf
.len
);
1226 /* Abort if the directory is excluded */
1229 dir
->basebuf
.buf
[stk
->baselen
- 1] = 0;
1230 dir
->exclude
= last_exclude_matching_from_lists(dir
,
1232 dir
->basebuf
.buf
, stk
->baselen
- 1,
1233 dir
->basebuf
.buf
+ current
, &dt
);
1234 dir
->basebuf
.buf
[stk
->baselen
- 1] = '/';
1236 dir
->exclude
->flags
& EXC_FLAG_NEGATIVE
)
1237 dir
->exclude
= NULL
;
1239 dir
->exclude_stack
= stk
;
1244 /* Try to read per-directory file */
1245 oidclr(&oid_stat
.oid
);
1247 if (dir
->exclude_per_dir
&&
1249 * If we know that no files have been added in
1250 * this directory (i.e. valid_cached_dir() has
1251 * been executed and set untracked->valid) ..
1253 (!untracked
|| !untracked
->valid
||
1255 * .. and .gitignore does not exist before
1256 * (i.e. null exclude_oid). Then we can skip
1257 * loading .gitignore, which would result in
1260 !is_null_oid(&untracked
->exclude_oid
))) {
1262 * dir->basebuf gets reused by the traversal, but we
1263 * need fname to remain unchanged to ensure the src
1264 * member of each struct exclude correctly
1265 * back-references its source file. Other invocations
1266 * of add_exclude_list provide stable strings, so we
1267 * strbuf_detach() and free() here in the caller.
1269 struct strbuf sb
= STRBUF_INIT
;
1270 strbuf_addbuf(&sb
, &dir
->basebuf
);
1271 strbuf_addstr(&sb
, dir
->exclude_per_dir
);
1272 el
->src
= strbuf_detach(&sb
, NULL
);
1273 add_excludes(el
->src
, el
->src
, stk
->baselen
, el
, istate
,
1274 untracked
? &oid_stat
: NULL
);
1277 * NEEDSWORK: when untracked cache is enabled, prep_exclude()
1278 * will first be called in valid_cached_dir() then maybe many
1279 * times more in last_exclude_matching(). When the cache is
1280 * used, last_exclude_matching() will not be called and
1281 * reading .gitignore content will be a waste.
1283 * So when it's called by valid_cached_dir() and we can get
1284 * .gitignore SHA-1 from the index (i.e. .gitignore is not
1285 * modified on work tree), we could delay reading the
1286 * .gitignore content until we absolutely need it in
1287 * last_exclude_matching(). Be careful about ignore rule
1288 * order, though, if you do that.
1291 !oideq(&oid_stat
.oid
, &untracked
->exclude_oid
)) {
1292 invalidate_gitignore(dir
->untracked
, untracked
);
1293 oidcpy(&untracked
->exclude_oid
, &oid_stat
.oid
);
1295 dir
->exclude_stack
= stk
;
1296 current
= stk
->baselen
;
1298 strbuf_setlen(&dir
->basebuf
, baselen
);
1302 * Loads the exclude lists for the directory containing pathname, then
1303 * scans all exclude lists to determine whether pathname is excluded.
1304 * Returns the exclude_list element which matched, or NULL for
1307 struct exclude
*last_exclude_matching(struct dir_struct
*dir
,
1308 struct index_state
*istate
,
1309 const char *pathname
,
1312 int pathlen
= strlen(pathname
);
1313 const char *basename
= strrchr(pathname
, '/');
1314 basename
= (basename
) ? basename
+1 : pathname
;
1316 prep_exclude(dir
, istate
, pathname
, basename
-pathname
);
1319 return dir
->exclude
;
1321 return last_exclude_matching_from_lists(dir
, istate
, pathname
, pathlen
,
1326 * Loads the exclude lists for the directory containing pathname, then
1327 * scans all exclude lists to determine whether pathname is excluded.
1328 * Returns 1 if true, otherwise 0.
1330 int is_excluded(struct dir_struct
*dir
, struct index_state
*istate
,
1331 const char *pathname
, int *dtype_p
)
1333 struct exclude
*exclude
=
1334 last_exclude_matching(dir
, istate
, pathname
, dtype_p
);
1336 return exclude
->flags
& EXC_FLAG_NEGATIVE
? 0 : 1;
1340 static struct dir_entry
*dir_entry_new(const char *pathname
, int len
)
1342 struct dir_entry
*ent
;
1344 FLEX_ALLOC_MEM(ent
, name
, pathname
, len
);
1349 static struct dir_entry
*dir_add_name(struct dir_struct
*dir
,
1350 struct index_state
*istate
,
1351 const char *pathname
, int len
)
1353 if (index_file_exists(istate
, pathname
, len
, ignore_case
))
1356 ALLOC_GROW(dir
->entries
, dir
->nr
+1, dir
->alloc
);
1357 return dir
->entries
[dir
->nr
++] = dir_entry_new(pathname
, len
);
1360 struct dir_entry
*dir_add_ignored(struct dir_struct
*dir
,
1361 struct index_state
*istate
,
1362 const char *pathname
, int len
)
1364 if (!index_name_is_other(istate
, pathname
, len
))
1367 ALLOC_GROW(dir
->ignored
, dir
->ignored_nr
+1, dir
->ignored_alloc
);
1368 return dir
->ignored
[dir
->ignored_nr
++] = dir_entry_new(pathname
, len
);
1372 index_nonexistent
= 0,
1378 * Do not use the alphabetically sorted index to look up
1379 * the directory name; instead, use the case insensitive
1382 static enum exist_status
directory_exists_in_index_icase(struct index_state
*istate
,
1383 const char *dirname
, int len
)
1385 struct cache_entry
*ce
;
1387 if (index_dir_exists(istate
, dirname
, len
))
1388 return index_directory
;
1390 ce
= index_file_exists(istate
, dirname
, len
, ignore_case
);
1391 if (ce
&& S_ISGITLINK(ce
->ce_mode
))
1392 return index_gitdir
;
1394 return index_nonexistent
;
1398 * The index sorts alphabetically by entry name, which
1399 * means that a gitlink sorts as '\0' at the end, while
1400 * a directory (which is defined not as an entry, but as
1401 * the files it contains) will sort with the '/' at the
1404 static enum exist_status
directory_exists_in_index(struct index_state
*istate
,
1405 const char *dirname
, int len
)
1410 return directory_exists_in_index_icase(istate
, dirname
, len
);
1412 pos
= index_name_pos(istate
, dirname
, len
);
1415 while (pos
< istate
->cache_nr
) {
1416 const struct cache_entry
*ce
= istate
->cache
[pos
++];
1417 unsigned char endchar
;
1419 if (strncmp(ce
->name
, dirname
, len
))
1421 endchar
= ce
->name
[len
];
1425 return index_directory
;
1426 if (!endchar
&& S_ISGITLINK(ce
->ce_mode
))
1427 return index_gitdir
;
1429 return index_nonexistent
;
1433 * When we find a directory when traversing the filesystem, we
1434 * have three distinct cases:
1437 * - see it as a directory
1440 * and which one we choose depends on a combination of existing
1441 * git index contents and the flags passed into the directory
1442 * traversal routine.
1444 * Case 1: If we *already* have entries in the index under that
1445 * directory name, we always recurse into the directory to see
1448 * Case 2: If we *already* have that directory name as a gitlink,
1449 * we always continue to see it as a gitlink, regardless of whether
1450 * there is an actual git directory there or not (it might not
1451 * be checked out as a subproject!)
1453 * Case 3: if we didn't have it in the index previously, we
1454 * have a few sub-cases:
1456 * (a) if "show_other_directories" is true, we show it as
1457 * just a directory, unless "hide_empty_directories" is
1458 * also true, in which case we need to check if it contains any
1459 * untracked and / or ignored files.
1460 * (b) if it looks like a git directory, and we don't have
1461 * 'no_gitlinks' set we treat it as a gitlink, and show it
1463 * (c) otherwise, we recurse into it.
1465 static enum path_treatment
treat_directory(struct dir_struct
*dir
,
1466 struct index_state
*istate
,
1467 struct untracked_cache_dir
*untracked
,
1468 const char *dirname
, int len
, int baselen
, int exclude
,
1469 const struct pathspec
*pathspec
)
1471 /* The "len-1" is to strip the final '/' */
1472 switch (directory_exists_in_index(istate
, dirname
, len
-1)) {
1473 case index_directory
:
1474 return path_recurse
;
1479 case index_nonexistent
:
1480 if (dir
->flags
& DIR_SHOW_OTHER_DIRECTORIES
)
1483 (dir
->flags
& DIR_SHOW_IGNORED_TOO
) &&
1484 (dir
->flags
& DIR_SHOW_IGNORED_TOO_MODE_MATCHING
)) {
1487 * This is an excluded directory and we are
1488 * showing ignored paths that match an exclude
1489 * pattern. (e.g. show directory as ignored
1490 * only if it matches an exclude pattern).
1491 * This path will either be 'path_excluded`
1492 * (if we are showing empty directories or if
1493 * the directory is not empty), or will be
1494 * 'path_none' (empty directory, and we are
1495 * not showing empty directories).
1497 if (!(dir
->flags
& DIR_HIDE_EMPTY_DIRECTORIES
))
1498 return path_excluded
;
1500 if (read_directory_recursive(dir
, istate
, dirname
, len
,
1501 untracked
, 1, 1, pathspec
) == path_excluded
)
1502 return path_excluded
;
1506 if (!(dir
->flags
& DIR_NO_GITLINKS
)) {
1507 struct object_id oid
;
1508 if (resolve_gitlink_ref(dirname
, "HEAD", &oid
) == 0)
1509 return exclude
? path_excluded
: path_untracked
;
1511 return path_recurse
;
1514 /* This is the "show_other_directories" case */
1516 if (!(dir
->flags
& DIR_HIDE_EMPTY_DIRECTORIES
))
1517 return exclude
? path_excluded
: path_untracked
;
1519 untracked
= lookup_untracked(dir
->untracked
, untracked
,
1520 dirname
+ baselen
, len
- baselen
);
1523 * If this is an excluded directory, then we only need to check if
1524 * the directory contains any files.
1526 return read_directory_recursive(dir
, istate
, dirname
, len
,
1527 untracked
, 1, exclude
, pathspec
);
1531 * This is an inexact early pruning of any recursive directory
1532 * reading - if the path cannot possibly be in the pathspec,
1533 * return true, and we'll skip it early.
1535 static int simplify_away(const char *path
, int pathlen
,
1536 const struct pathspec
*pathspec
)
1540 if (!pathspec
|| !pathspec
->nr
)
1543 GUARD_PATHSPEC(pathspec
,
1552 for (i
= 0; i
< pathspec
->nr
; i
++) {
1553 const struct pathspec_item
*item
= &pathspec
->items
[i
];
1554 int len
= item
->nowildcard_len
;
1558 if (!ps_strncmp(item
, item
->match
, path
, len
))
1566 * This function tells us whether an excluded path matches a
1567 * list of "interesting" pathspecs. That is, whether a path matched
1568 * by any of the pathspecs could possibly be ignored by excluding
1569 * the specified path. This can happen if:
1571 * 1. the path is mentioned explicitly in the pathspec
1573 * 2. the path is a directory prefix of some element in the
1576 static int exclude_matches_pathspec(const char *path
, int pathlen
,
1577 const struct pathspec
*pathspec
)
1581 if (!pathspec
|| !pathspec
->nr
)
1584 GUARD_PATHSPEC(pathspec
,
1592 for (i
= 0; i
< pathspec
->nr
; i
++) {
1593 const struct pathspec_item
*item
= &pathspec
->items
[i
];
1594 int len
= item
->nowildcard_len
;
1596 if (len
== pathlen
&&
1597 !ps_strncmp(item
, item
->match
, path
, pathlen
))
1599 if (len
> pathlen
&&
1600 item
->match
[pathlen
] == '/' &&
1601 !ps_strncmp(item
, item
->match
, path
, pathlen
))
1607 static int get_index_dtype(struct index_state
*istate
,
1608 const char *path
, int len
)
1611 const struct cache_entry
*ce
;
1613 ce
= index_file_exists(istate
, path
, len
, 0);
1615 if (!ce_uptodate(ce
))
1617 if (S_ISGITLINK(ce
->ce_mode
))
1620 * Nobody actually cares about the
1621 * difference between DT_LNK and DT_REG
1626 /* Try to look it up as a directory */
1627 pos
= index_name_pos(istate
, path
, len
);
1631 while (pos
< istate
->cache_nr
) {
1632 ce
= istate
->cache
[pos
++];
1633 if (strncmp(ce
->name
, path
, len
))
1635 if (ce
->name
[len
] > '/')
1637 if (ce
->name
[len
] < '/')
1639 if (!ce_uptodate(ce
))
1640 break; /* continue? */
1646 static int get_dtype(struct dirent
*de
, struct index_state
*istate
,
1647 const char *path
, int len
)
1649 int dtype
= de
? DTYPE(de
) : DT_UNKNOWN
;
1652 if (dtype
!= DT_UNKNOWN
)
1654 dtype
= get_index_dtype(istate
, path
, len
);
1655 if (dtype
!= DT_UNKNOWN
)
1657 if (lstat(path
, &st
))
1659 if (S_ISREG(st
.st_mode
))
1661 if (S_ISDIR(st
.st_mode
))
1663 if (S_ISLNK(st
.st_mode
))
1668 static enum path_treatment
treat_one_path(struct dir_struct
*dir
,
1669 struct untracked_cache_dir
*untracked
,
1670 struct index_state
*istate
,
1671 struct strbuf
*path
,
1673 const struct pathspec
*pathspec
,
1674 int dtype
, struct dirent
*de
)
1677 int has_path_in_index
= !!index_file_exists(istate
, path
->buf
, path
->len
, ignore_case
);
1678 enum path_treatment path_treatment
;
1680 if (dtype
== DT_UNKNOWN
)
1681 dtype
= get_dtype(de
, istate
, path
->buf
, path
->len
);
1683 /* Always exclude indexed files */
1684 if (dtype
!= DT_DIR
&& has_path_in_index
)
1688 * When we are looking at a directory P in the working tree,
1689 * there are three cases:
1691 * (1) P exists in the index. Everything inside the directory P in
1692 * the working tree needs to go when P is checked out from the
1695 * (2) P does not exist in the index, but there is P/Q in the index.
1696 * We know P will stay a directory when we check out the contents
1697 * of the index, but we do not know yet if there is a directory
1698 * P/Q in the working tree to be killed, so we need to recurse.
1700 * (3) P does not exist in the index, and there is no P/Q in the index
1701 * to require P to be a directory, either. Only in this case, we
1702 * know that everything inside P will not be killed without
1705 if ((dir
->flags
& DIR_COLLECT_KILLED_ONLY
) &&
1706 (dtype
== DT_DIR
) &&
1707 !has_path_in_index
&&
1708 (directory_exists_in_index(istate
, path
->buf
, path
->len
) == index_nonexistent
))
1711 exclude
= is_excluded(dir
, istate
, path
->buf
, &dtype
);
1714 * Excluded? If we don't explicitly want to show
1715 * ignored files, ignore it
1717 if (exclude
&& !(dir
->flags
& (DIR_SHOW_IGNORED
|DIR_SHOW_IGNORED_TOO
)))
1718 return path_excluded
;
1724 strbuf_addch(path
, '/');
1725 path_treatment
= treat_directory(dir
, istate
, untracked
,
1726 path
->buf
, path
->len
,
1727 baselen
, exclude
, pathspec
);
1729 * If 1) we only want to return directories that
1730 * match an exclude pattern and 2) this directory does
1731 * not match an exclude pattern but all of its
1732 * contents are excluded, then indicate that we should
1733 * recurse into this directory (instead of marking the
1734 * directory itself as an ignored path).
1737 path_treatment
== path_excluded
&&
1738 (dir
->flags
& DIR_SHOW_IGNORED_TOO
) &&
1739 (dir
->flags
& DIR_SHOW_IGNORED_TOO_MODE_MATCHING
))
1740 return path_recurse
;
1741 return path_treatment
;
1744 return exclude
? path_excluded
: path_untracked
;
1748 static enum path_treatment
treat_path_fast(struct dir_struct
*dir
,
1749 struct untracked_cache_dir
*untracked
,
1750 struct cached_dir
*cdir
,
1751 struct index_state
*istate
,
1752 struct strbuf
*path
,
1754 const struct pathspec
*pathspec
)
1756 strbuf_setlen(path
, baselen
);
1758 strbuf_addstr(path
, cdir
->file
);
1759 return path_untracked
;
1761 strbuf_addstr(path
, cdir
->ucd
->name
);
1762 /* treat_one_path() does this before it calls treat_directory() */
1763 strbuf_complete(path
, '/');
1764 if (cdir
->ucd
->check_only
)
1766 * check_only is set as a result of treat_directory() getting
1767 * to its bottom. Verify again the same set of directories
1768 * with check_only set.
1770 return read_directory_recursive(dir
, istate
, path
->buf
, path
->len
,
1771 cdir
->ucd
, 1, 0, pathspec
);
1773 * We get path_recurse in the first run when
1774 * directory_exists_in_index() returns index_nonexistent. We
1775 * are sure that new changes in the index does not impact the
1776 * outcome. Return now.
1778 return path_recurse
;
1781 static enum path_treatment
treat_path(struct dir_struct
*dir
,
1782 struct untracked_cache_dir
*untracked
,
1783 struct cached_dir
*cdir
,
1784 struct index_state
*istate
,
1785 struct strbuf
*path
,
1787 const struct pathspec
*pathspec
)
1790 struct dirent
*de
= cdir
->de
;
1793 return treat_path_fast(dir
, untracked
, cdir
, istate
, path
,
1795 if (is_dot_or_dotdot(de
->d_name
) || !fspathcmp(de
->d_name
, ".git"))
1797 strbuf_setlen(path
, baselen
);
1798 strbuf_addstr(path
, de
->d_name
);
1799 if (simplify_away(path
->buf
, path
->len
, pathspec
))
1803 return treat_one_path(dir
, untracked
, istate
, path
, baselen
, pathspec
, dtype
, de
);
1806 static void add_untracked(struct untracked_cache_dir
*dir
, const char *name
)
1810 ALLOC_GROW(dir
->untracked
, dir
->untracked_nr
+ 1,
1811 dir
->untracked_alloc
);
1812 dir
->untracked
[dir
->untracked_nr
++] = xstrdup(name
);
1815 static int valid_cached_dir(struct dir_struct
*dir
,
1816 struct untracked_cache_dir
*untracked
,
1817 struct index_state
*istate
,
1818 struct strbuf
*path
,
1827 * With fsmonitor, we can trust the untracked cache's valid field.
1829 refresh_fsmonitor(istate
);
1830 if (!(dir
->untracked
->use_fsmonitor
&& untracked
->valid
)) {
1831 if (lstat(path
->len
? path
->buf
: ".", &st
)) {
1832 memset(&untracked
->stat_data
, 0, sizeof(untracked
->stat_data
));
1835 if (!untracked
->valid
||
1836 match_stat_data_racy(istate
, &untracked
->stat_data
, &st
)) {
1837 fill_stat_data(&untracked
->stat_data
, &st
);
1842 if (untracked
->check_only
!= !!check_only
)
1846 * prep_exclude will be called eventually on this directory,
1847 * but it's called much later in last_exclude_matching(). We
1848 * need it now to determine the validity of the cache for this
1849 * path. The next calls will be nearly no-op, the way
1850 * prep_exclude() is designed.
1852 if (path
->len
&& path
->buf
[path
->len
- 1] != '/') {
1853 strbuf_addch(path
, '/');
1854 prep_exclude(dir
, istate
, path
->buf
, path
->len
);
1855 strbuf_setlen(path
, path
->len
- 1);
1857 prep_exclude(dir
, istate
, path
->buf
, path
->len
);
1859 /* hopefully prep_exclude() haven't invalidated this entry... */
1860 return untracked
->valid
;
1863 static int open_cached_dir(struct cached_dir
*cdir
,
1864 struct dir_struct
*dir
,
1865 struct untracked_cache_dir
*untracked
,
1866 struct index_state
*istate
,
1867 struct strbuf
*path
,
1872 memset(cdir
, 0, sizeof(*cdir
));
1873 cdir
->untracked
= untracked
;
1874 if (valid_cached_dir(dir
, untracked
, istate
, path
, check_only
))
1876 c_path
= path
->len
? path
->buf
: ".";
1877 cdir
->fdir
= opendir(c_path
);
1879 warning_errno(_("could not open directory '%s'"), c_path
);
1880 if (dir
->untracked
) {
1881 invalidate_directory(dir
->untracked
, untracked
);
1882 dir
->untracked
->dir_opened
++;
1889 static int read_cached_dir(struct cached_dir
*cdir
)
1892 cdir
->de
= readdir(cdir
->fdir
);
1897 while (cdir
->nr_dirs
< cdir
->untracked
->dirs_nr
) {
1898 struct untracked_cache_dir
*d
= cdir
->untracked
->dirs
[cdir
->nr_dirs
];
1908 if (cdir
->nr_files
< cdir
->untracked
->untracked_nr
) {
1909 struct untracked_cache_dir
*d
= cdir
->untracked
;
1910 cdir
->file
= d
->untracked
[cdir
->nr_files
++];
1916 static void close_cached_dir(struct cached_dir
*cdir
)
1919 closedir(cdir
->fdir
);
1921 * We have gone through this directory and found no untracked
1922 * entries. Mark it valid.
1924 if (cdir
->untracked
) {
1925 cdir
->untracked
->valid
= 1;
1926 cdir
->untracked
->recurse
= 1;
1931 * Read a directory tree. We currently ignore anything but
1932 * directories, regular files and symlinks. That's because git
1933 * doesn't handle them at all yet. Maybe that will change some
1936 * Also, we ignore the name ".git" (even if it is not a directory).
1937 * That likely will not change.
1939 * If 'stop_at_first_file' is specified, 'path_excluded' is returned
1940 * to signal that a file was found. This is the least significant value that
1941 * indicates that a file was encountered that does not depend on the order of
1942 * whether an untracked or exluded path was encountered first.
1944 * Returns the most significant path_treatment value encountered in the scan.
1945 * If 'stop_at_first_file' is specified, `path_excluded` is the most
1946 * significant path_treatment value that will be returned.
1949 static enum path_treatment
read_directory_recursive(struct dir_struct
*dir
,
1950 struct index_state
*istate
, const char *base
, int baselen
,
1951 struct untracked_cache_dir
*untracked
, int check_only
,
1952 int stop_at_first_file
, const struct pathspec
*pathspec
)
1954 struct cached_dir cdir
;
1955 enum path_treatment state
, subdir_state
, dir_state
= path_none
;
1956 struct strbuf path
= STRBUF_INIT
;
1958 strbuf_add(&path
, base
, baselen
);
1960 if (open_cached_dir(&cdir
, dir
, untracked
, istate
, &path
, check_only
))
1964 untracked
->check_only
= !!check_only
;
1966 while (!read_cached_dir(&cdir
)) {
1967 /* check how the file or directory should be treated */
1968 state
= treat_path(dir
, untracked
, &cdir
, istate
, &path
,
1971 if (state
> dir_state
)
1974 /* recurse into subdir if instructed by treat_path */
1975 if ((state
== path_recurse
) ||
1976 ((state
== path_untracked
) &&
1977 (dir
->flags
& DIR_SHOW_IGNORED_TOO
) &&
1978 (get_dtype(cdir
.de
, istate
, path
.buf
, path
.len
) == DT_DIR
))) {
1979 struct untracked_cache_dir
*ud
;
1980 ud
= lookup_untracked(dir
->untracked
, untracked
,
1982 path
.len
- baselen
);
1984 read_directory_recursive(dir
, istate
, path
.buf
,
1986 check_only
, stop_at_first_file
, pathspec
);
1987 if (subdir_state
> dir_state
)
1988 dir_state
= subdir_state
;
1992 if (stop_at_first_file
) {
1994 * If stopping at first file, then
1995 * signal that a file was found by
1996 * returning `path_excluded`. This is
1997 * to return a consistent value
1998 * regardless of whether an ignored or
1999 * excluded file happened to be
2002 * In current usage, the
2003 * `stop_at_first_file` is passed when
2004 * an ancestor directory has matched
2005 * an exclude pattern, so any found
2006 * files will be excluded.
2008 if (dir_state
>= path_excluded
) {
2009 dir_state
= path_excluded
;
2014 /* abort early if maximum state has been reached */
2015 if (dir_state
== path_untracked
) {
2017 add_untracked(untracked
, path
.buf
+ baselen
);
2020 /* skip the dir_add_* part */
2024 /* add the path to the appropriate result list */
2027 if (dir
->flags
& DIR_SHOW_IGNORED
)
2028 dir_add_name(dir
, istate
, path
.buf
, path
.len
);
2029 else if ((dir
->flags
& DIR_SHOW_IGNORED_TOO
) ||
2030 ((dir
->flags
& DIR_COLLECT_IGNORED
) &&
2031 exclude_matches_pathspec(path
.buf
, path
.len
,
2033 dir_add_ignored(dir
, istate
, path
.buf
, path
.len
);
2036 case path_untracked
:
2037 if (dir
->flags
& DIR_SHOW_IGNORED
)
2039 dir_add_name(dir
, istate
, path
.buf
, path
.len
);
2041 add_untracked(untracked
, path
.buf
+ baselen
);
2048 close_cached_dir(&cdir
);
2050 strbuf_release(&path
);
2055 int cmp_dir_entry(const void *p1
, const void *p2
)
2057 const struct dir_entry
*e1
= *(const struct dir_entry
**)p1
;
2058 const struct dir_entry
*e2
= *(const struct dir_entry
**)p2
;
2060 return name_compare(e1
->name
, e1
->len
, e2
->name
, e2
->len
);
2063 /* check if *out lexically strictly contains *in */
2064 int check_dir_entry_contains(const struct dir_entry
*out
, const struct dir_entry
*in
)
2066 return (out
->len
< in
->len
) &&
2067 (out
->name
[out
->len
- 1] == '/') &&
2068 !memcmp(out
->name
, in
->name
, out
->len
);
2071 static int treat_leading_path(struct dir_struct
*dir
,
2072 struct index_state
*istate
,
2073 const char *path
, int len
,
2074 const struct pathspec
*pathspec
)
2076 struct strbuf sb
= STRBUF_INIT
;
2077 int baselen
, rc
= 0;
2079 int old_flags
= dir
->flags
;
2081 while (len
&& path
[len
- 1] == '/')
2086 dir
->flags
&= ~DIR_SHOW_OTHER_DIRECTORIES
;
2088 cp
= path
+ baselen
+ !!baselen
;
2089 cp
= memchr(cp
, '/', path
+ len
- cp
);
2093 baselen
= cp
- path
;
2094 strbuf_setlen(&sb
, 0);
2095 strbuf_add(&sb
, path
, baselen
);
2096 if (!is_directory(sb
.buf
))
2098 if (simplify_away(sb
.buf
, sb
.len
, pathspec
))
2100 if (treat_one_path(dir
, NULL
, istate
, &sb
, baselen
, pathspec
,
2101 DT_DIR
, NULL
) == path_none
)
2102 break; /* do not recurse into it */
2103 if (len
<= baselen
) {
2105 break; /* finished checking */
2108 strbuf_release(&sb
);
2109 dir
->flags
= old_flags
;
2113 static const char *get_ident_string(void)
2115 static struct strbuf sb
= STRBUF_INIT
;
2120 if (uname(&uts
) < 0)
2121 die_errno(_("failed to get kernel name and information"));
2122 strbuf_addf(&sb
, "Location %s, system %s", get_git_work_tree(),
2127 static int ident_in_untracked(const struct untracked_cache
*uc
)
2130 * Previous git versions may have saved many NUL separated
2131 * strings in the "ident" field, but it is insane to manage
2132 * many locations, so just take care of the first one.
2135 return !strcmp(uc
->ident
.buf
, get_ident_string());
2138 static void set_untracked_ident(struct untracked_cache
*uc
)
2140 strbuf_reset(&uc
->ident
);
2141 strbuf_addstr(&uc
->ident
, get_ident_string());
2144 * This strbuf used to contain a list of NUL separated
2145 * strings, so save NUL too for backward compatibility.
2147 strbuf_addch(&uc
->ident
, 0);
2150 static void new_untracked_cache(struct index_state
*istate
)
2152 struct untracked_cache
*uc
= xcalloc(1, sizeof(*uc
));
2153 strbuf_init(&uc
->ident
, 100);
2154 uc
->exclude_per_dir
= ".gitignore";
2155 /* should be the same flags used by git-status */
2156 uc
->dir_flags
= DIR_SHOW_OTHER_DIRECTORIES
| DIR_HIDE_EMPTY_DIRECTORIES
;
2157 set_untracked_ident(uc
);
2158 istate
->untracked
= uc
;
2159 istate
->cache_changed
|= UNTRACKED_CHANGED
;
2162 void add_untracked_cache(struct index_state
*istate
)
2164 if (!istate
->untracked
) {
2165 new_untracked_cache(istate
);
2167 if (!ident_in_untracked(istate
->untracked
)) {
2168 free_untracked_cache(istate
->untracked
);
2169 new_untracked_cache(istate
);
2174 void remove_untracked_cache(struct index_state
*istate
)
2176 if (istate
->untracked
) {
2177 free_untracked_cache(istate
->untracked
);
2178 istate
->untracked
= NULL
;
2179 istate
->cache_changed
|= UNTRACKED_CHANGED
;
2183 static struct untracked_cache_dir
*validate_untracked_cache(struct dir_struct
*dir
,
2185 const struct pathspec
*pathspec
)
2187 struct untracked_cache_dir
*root
;
2188 static int untracked_cache_disabled
= -1;
2190 if (!dir
->untracked
)
2192 if (untracked_cache_disabled
< 0)
2193 untracked_cache_disabled
= git_env_bool("GIT_DISABLE_UNTRACKED_CACHE", 0);
2194 if (untracked_cache_disabled
)
2198 * We only support $GIT_DIR/info/exclude and core.excludesfile
2199 * as the global ignore rule files. Any other additions
2200 * (e.g. from command line) invalidate the cache. This
2201 * condition also catches running setup_standard_excludes()
2202 * before setting dir->untracked!
2204 if (dir
->unmanaged_exclude_files
)
2208 * Optimize for the main use case only: whole-tree git
2209 * status. More work involved in treat_leading_path() if we
2210 * use cache on just a subset of the worktree. pathspec
2211 * support could make the matter even worse.
2213 if (base_len
|| (pathspec
&& pathspec
->nr
))
2216 /* Different set of flags may produce different results */
2217 if (dir
->flags
!= dir
->untracked
->dir_flags
||
2219 * See treat_directory(), case index_nonexistent. Without
2220 * this flag, we may need to also cache .git file content
2221 * for the resolve_gitlink_ref() call, which we don't.
2223 !(dir
->flags
& DIR_SHOW_OTHER_DIRECTORIES
) ||
2224 /* We don't support collecting ignore files */
2225 (dir
->flags
& (DIR_SHOW_IGNORED
| DIR_SHOW_IGNORED_TOO
|
2226 DIR_COLLECT_IGNORED
)))
2230 * If we use .gitignore in the cache and now you change it to
2231 * .gitexclude, everything will go wrong.
2233 if (dir
->exclude_per_dir
!= dir
->untracked
->exclude_per_dir
&&
2234 strcmp(dir
->exclude_per_dir
, dir
->untracked
->exclude_per_dir
))
2238 * EXC_CMDL is not considered in the cache. If people set it,
2241 if (dir
->exclude_list_group
[EXC_CMDL
].nr
)
2244 if (!ident_in_untracked(dir
->untracked
)) {
2245 warning(_("untracked cache is disabled on this system or location"));
2249 if (!dir
->untracked
->root
) {
2250 const int len
= sizeof(*dir
->untracked
->root
);
2251 dir
->untracked
->root
= xmalloc(len
);
2252 memset(dir
->untracked
->root
, 0, len
);
2255 /* Validate $GIT_DIR/info/exclude and core.excludesfile */
2256 root
= dir
->untracked
->root
;
2257 if (!oideq(&dir
->ss_info_exclude
.oid
,
2258 &dir
->untracked
->ss_info_exclude
.oid
)) {
2259 invalidate_gitignore(dir
->untracked
, root
);
2260 dir
->untracked
->ss_info_exclude
= dir
->ss_info_exclude
;
2262 if (!oideq(&dir
->ss_excludes_file
.oid
,
2263 &dir
->untracked
->ss_excludes_file
.oid
)) {
2264 invalidate_gitignore(dir
->untracked
, root
);
2265 dir
->untracked
->ss_excludes_file
= dir
->ss_excludes_file
;
2268 /* Make sure this directory is not dropped out at saving phase */
2273 int read_directory(struct dir_struct
*dir
, struct index_state
*istate
,
2274 const char *path
, int len
, const struct pathspec
*pathspec
)
2276 struct untracked_cache_dir
*untracked
;
2278 trace_performance_enter();
2280 if (has_symlink_leading_path(path
, len
)) {
2281 trace_performance_leave("read directory %.*s", len
, path
);
2285 untracked
= validate_untracked_cache(dir
, len
, pathspec
);
2288 * make sure untracked cache code path is disabled,
2289 * e.g. prep_exclude()
2291 dir
->untracked
= NULL
;
2292 if (!len
|| treat_leading_path(dir
, istate
, path
, len
, pathspec
))
2293 read_directory_recursive(dir
, istate
, path
, len
, untracked
, 0, 0, pathspec
);
2294 QSORT(dir
->entries
, dir
->nr
, cmp_dir_entry
);
2295 QSORT(dir
->ignored
, dir
->ignored_nr
, cmp_dir_entry
);
2298 * If DIR_SHOW_IGNORED_TOO is set, read_directory_recursive() will
2299 * also pick up untracked contents of untracked dirs; by default
2300 * we discard these, but given DIR_KEEP_UNTRACKED_CONTENTS we do not.
2302 if ((dir
->flags
& DIR_SHOW_IGNORED_TOO
) &&
2303 !(dir
->flags
& DIR_KEEP_UNTRACKED_CONTENTS
)) {
2306 /* remove from dir->entries untracked contents of untracked dirs */
2307 for (i
= j
= 0; j
< dir
->nr
; j
++) {
2309 check_dir_entry_contains(dir
->entries
[i
- 1], dir
->entries
[j
])) {
2310 FREE_AND_NULL(dir
->entries
[j
]);
2312 dir
->entries
[i
++] = dir
->entries
[j
];
2319 trace_performance_leave("read directory %.*s", len
, path
);
2320 if (dir
->untracked
) {
2321 static int force_untracked_cache
= -1;
2322 static struct trace_key trace_untracked_stats
= TRACE_KEY_INIT(UNTRACKED_STATS
);
2324 if (force_untracked_cache
< 0)
2325 force_untracked_cache
=
2326 git_env_bool("GIT_FORCE_UNTRACKED_CACHE", 0);
2327 trace_printf_key(&trace_untracked_stats
,
2328 "node creation: %u\n"
2329 "gitignore invalidation: %u\n"
2330 "directory invalidation: %u\n"
2332 dir
->untracked
->dir_created
,
2333 dir
->untracked
->gitignore_invalidated
,
2334 dir
->untracked
->dir_invalidated
,
2335 dir
->untracked
->dir_opened
);
2336 if (force_untracked_cache
&&
2337 dir
->untracked
== istate
->untracked
&&
2338 (dir
->untracked
->dir_opened
||
2339 dir
->untracked
->gitignore_invalidated
||
2340 dir
->untracked
->dir_invalidated
))
2341 istate
->cache_changed
|= UNTRACKED_CHANGED
;
2342 if (dir
->untracked
!= istate
->untracked
) {
2343 FREE_AND_NULL(dir
->untracked
);
2349 int file_exists(const char *f
)
2352 return lstat(f
, &sb
) == 0;
2355 static int cmp_icase(char a
, char b
)
2360 return toupper(a
) - toupper(b
);
2365 * Given two normalized paths (a trailing slash is ok), if subdir is
2366 * outside dir, return -1. Otherwise return the offset in subdir that
2367 * can be used as relative path to dir.
2369 int dir_inside_of(const char *subdir
, const char *dir
)
2373 assert(dir
&& subdir
&& *dir
&& *subdir
);
2375 while (*dir
&& *subdir
&& !cmp_icase(*dir
, *subdir
)) {
2381 /* hel[p]/me vs hel[l]/yeah */
2382 if (*dir
&& *subdir
)
2386 return !*dir
? offset
: -1; /* same dir */
2388 /* foo/[b]ar vs foo/[] */
2389 if (is_dir_sep(dir
[-1]))
2390 return is_dir_sep(subdir
[-1]) ? offset
: -1;
2392 /* foo[/]bar vs foo[] */
2393 return is_dir_sep(*subdir
) ? offset
+ 1 : -1;
2396 int is_inside_dir(const char *dir
)
2405 rc
= (dir_inside_of(cwd
, dir
) >= 0);
2410 int is_empty_dir(const char *path
)
2412 DIR *dir
= opendir(path
);
2419 while ((e
= readdir(dir
)) != NULL
)
2420 if (!is_dot_or_dotdot(e
->d_name
)) {
2429 static int remove_dir_recurse(struct strbuf
*path
, int flag
, int *kept_up
)
2433 int ret
= 0, original_len
= path
->len
, len
, kept_down
= 0;
2434 int only_empty
= (flag
& REMOVE_DIR_EMPTY_ONLY
);
2435 int keep_toplevel
= (flag
& REMOVE_DIR_KEEP_TOPLEVEL
);
2436 struct object_id submodule_head
;
2438 if ((flag
& REMOVE_DIR_KEEP_NESTED_GIT
) &&
2439 !resolve_gitlink_ref(path
->buf
, "HEAD", &submodule_head
)) {
2440 /* Do not descend and nuke a nested git work tree. */
2446 flag
&= ~REMOVE_DIR_KEEP_TOPLEVEL
;
2447 dir
= opendir(path
->buf
);
2449 if (errno
== ENOENT
)
2450 return keep_toplevel
? -1 : 0;
2451 else if (errno
== EACCES
&& !keep_toplevel
)
2453 * An empty dir could be removable even if it
2456 return rmdir(path
->buf
);
2460 strbuf_complete(path
, '/');
2463 while ((e
= readdir(dir
)) != NULL
) {
2465 if (is_dot_or_dotdot(e
->d_name
))
2468 strbuf_setlen(path
, len
);
2469 strbuf_addstr(path
, e
->d_name
);
2470 if (lstat(path
->buf
, &st
)) {
2471 if (errno
== ENOENT
)
2473 * file disappeared, which is what we
2478 } else if (S_ISDIR(st
.st_mode
)) {
2479 if (!remove_dir_recurse(path
, flag
, &kept_down
))
2480 continue; /* happy */
2481 } else if (!only_empty
&&
2482 (!unlink(path
->buf
) || errno
== ENOENT
)) {
2483 continue; /* happy, too */
2486 /* path too long, stat fails, or non-directory still exists */
2492 strbuf_setlen(path
, original_len
);
2493 if (!ret
&& !keep_toplevel
&& !kept_down
)
2494 ret
= (!rmdir(path
->buf
) || errno
== ENOENT
) ? 0 : -1;
2497 * report the uplevel that it is not an error that we
2498 * did not rmdir() our directory.
2504 int remove_dir_recursively(struct strbuf
*path
, int flag
)
2506 return remove_dir_recurse(path
, flag
, NULL
);
2509 static GIT_PATH_FUNC(git_path_info_exclude
, "info/exclude")
2511 void setup_standard_excludes(struct dir_struct
*dir
)
2513 dir
->exclude_per_dir
= ".gitignore";
2515 /* core.excludesfile defaulting to $XDG_CONFIG_HOME/git/ignore */
2517 excludes_file
= xdg_config_home("ignore");
2518 if (excludes_file
&& !access_or_warn(excludes_file
, R_OK
, 0))
2519 add_excludes_from_file_1(dir
, excludes_file
,
2520 dir
->untracked
? &dir
->ss_excludes_file
: NULL
);
2522 /* per repository user preference */
2523 if (startup_info
->have_repository
) {
2524 const char *path
= git_path_info_exclude();
2525 if (!access_or_warn(path
, R_OK
, 0))
2526 add_excludes_from_file_1(dir
, path
,
2527 dir
->untracked
? &dir
->ss_info_exclude
: NULL
);
2531 int remove_path(const char *name
)
2535 if (unlink(name
) && !is_missing_file_error(errno
))
2538 slash
= strrchr(name
, '/');
2540 char *dirs
= xstrdup(name
);
2541 slash
= dirs
+ (slash
- name
);
2544 } while (rmdir(dirs
) == 0 && (slash
= strrchr(dirs
, '/')));
2551 * Frees memory within dir which was allocated for exclude lists and
2552 * the exclude_stack. Does not free dir itself.
2554 void clear_directory(struct dir_struct
*dir
)
2557 struct exclude_list_group
*group
;
2558 struct exclude_list
*el
;
2559 struct exclude_stack
*stk
;
2561 for (i
= EXC_CMDL
; i
<= EXC_FILE
; i
++) {
2562 group
= &dir
->exclude_list_group
[i
];
2563 for (j
= 0; j
< group
->nr
; j
++) {
2566 free((char *)el
->src
);
2567 clear_exclude_list(el
);
2572 stk
= dir
->exclude_stack
;
2574 struct exclude_stack
*prev
= stk
->prev
;
2578 strbuf_release(&dir
->basebuf
);
2581 struct ondisk_untracked_cache
{
2582 struct stat_data info_exclude_stat
;
2583 struct stat_data excludes_file_stat
;
2585 unsigned char info_exclude_sha1
[20];
2586 unsigned char excludes_file_sha1
[20];
2587 char exclude_per_dir
[FLEX_ARRAY
];
2590 #define ouc_offset(x) offsetof(struct ondisk_untracked_cache, x)
2591 #define ouc_size(len) (ouc_offset(exclude_per_dir) + len + 1)
2594 int index
; /* number of written untracked_cache_dir */
2595 struct ewah_bitmap
*check_only
; /* from untracked_cache_dir */
2596 struct ewah_bitmap
*valid
; /* from untracked_cache_dir */
2597 struct ewah_bitmap
*sha1_valid
; /* set if exclude_sha1 is not null */
2599 struct strbuf sb_stat
;
2600 struct strbuf sb_sha1
;
2603 static void stat_data_to_disk(struct stat_data
*to
, const struct stat_data
*from
)
2605 to
->sd_ctime
.sec
= htonl(from
->sd_ctime
.sec
);
2606 to
->sd_ctime
.nsec
= htonl(from
->sd_ctime
.nsec
);
2607 to
->sd_mtime
.sec
= htonl(from
->sd_mtime
.sec
);
2608 to
->sd_mtime
.nsec
= htonl(from
->sd_mtime
.nsec
);
2609 to
->sd_dev
= htonl(from
->sd_dev
);
2610 to
->sd_ino
= htonl(from
->sd_ino
);
2611 to
->sd_uid
= htonl(from
->sd_uid
);
2612 to
->sd_gid
= htonl(from
->sd_gid
);
2613 to
->sd_size
= htonl(from
->sd_size
);
2616 static void write_one_dir(struct untracked_cache_dir
*untracked
,
2617 struct write_data
*wd
)
2619 struct stat_data stat_data
;
2620 struct strbuf
*out
= &wd
->out
;
2621 unsigned char intbuf
[16];
2622 unsigned int intlen
, value
;
2623 int i
= wd
->index
++;
2626 * untracked_nr should be reset whenever valid is clear, but
2629 if (!untracked
->valid
) {
2630 untracked
->untracked_nr
= 0;
2631 untracked
->check_only
= 0;
2634 if (untracked
->check_only
)
2635 ewah_set(wd
->check_only
, i
);
2636 if (untracked
->valid
) {
2637 ewah_set(wd
->valid
, i
);
2638 stat_data_to_disk(&stat_data
, &untracked
->stat_data
);
2639 strbuf_add(&wd
->sb_stat
, &stat_data
, sizeof(stat_data
));
2641 if (!is_null_oid(&untracked
->exclude_oid
)) {
2642 ewah_set(wd
->sha1_valid
, i
);
2643 strbuf_add(&wd
->sb_sha1
, untracked
->exclude_oid
.hash
,
2644 the_hash_algo
->rawsz
);
2647 intlen
= encode_varint(untracked
->untracked_nr
, intbuf
);
2648 strbuf_add(out
, intbuf
, intlen
);
2650 /* skip non-recurse directories */
2651 for (i
= 0, value
= 0; i
< untracked
->dirs_nr
; i
++)
2652 if (untracked
->dirs
[i
]->recurse
)
2654 intlen
= encode_varint(value
, intbuf
);
2655 strbuf_add(out
, intbuf
, intlen
);
2657 strbuf_add(out
, untracked
->name
, strlen(untracked
->name
) + 1);
2659 for (i
= 0; i
< untracked
->untracked_nr
; i
++)
2660 strbuf_add(out
, untracked
->untracked
[i
],
2661 strlen(untracked
->untracked
[i
]) + 1);
2663 for (i
= 0; i
< untracked
->dirs_nr
; i
++)
2664 if (untracked
->dirs
[i
]->recurse
)
2665 write_one_dir(untracked
->dirs
[i
], wd
);
2668 void write_untracked_extension(struct strbuf
*out
, struct untracked_cache
*untracked
)
2670 struct ondisk_untracked_cache
*ouc
;
2671 struct write_data wd
;
2672 unsigned char varbuf
[16];
2674 size_t len
= strlen(untracked
->exclude_per_dir
);
2676 FLEX_ALLOC_MEM(ouc
, exclude_per_dir
, untracked
->exclude_per_dir
, len
);
2677 stat_data_to_disk(&ouc
->info_exclude_stat
, &untracked
->ss_info_exclude
.stat
);
2678 stat_data_to_disk(&ouc
->excludes_file_stat
, &untracked
->ss_excludes_file
.stat
);
2679 hashcpy(ouc
->info_exclude_sha1
, untracked
->ss_info_exclude
.oid
.hash
);
2680 hashcpy(ouc
->excludes_file_sha1
, untracked
->ss_excludes_file
.oid
.hash
);
2681 ouc
->dir_flags
= htonl(untracked
->dir_flags
);
2683 varint_len
= encode_varint(untracked
->ident
.len
, varbuf
);
2684 strbuf_add(out
, varbuf
, varint_len
);
2685 strbuf_addbuf(out
, &untracked
->ident
);
2687 strbuf_add(out
, ouc
, ouc_size(len
));
2690 if (!untracked
->root
) {
2691 varint_len
= encode_varint(0, varbuf
);
2692 strbuf_add(out
, varbuf
, varint_len
);
2697 wd
.check_only
= ewah_new();
2698 wd
.valid
= ewah_new();
2699 wd
.sha1_valid
= ewah_new();
2700 strbuf_init(&wd
.out
, 1024);
2701 strbuf_init(&wd
.sb_stat
, 1024);
2702 strbuf_init(&wd
.sb_sha1
, 1024);
2703 write_one_dir(untracked
->root
, &wd
);
2705 varint_len
= encode_varint(wd
.index
, varbuf
);
2706 strbuf_add(out
, varbuf
, varint_len
);
2707 strbuf_addbuf(out
, &wd
.out
);
2708 ewah_serialize_strbuf(wd
.valid
, out
);
2709 ewah_serialize_strbuf(wd
.check_only
, out
);
2710 ewah_serialize_strbuf(wd
.sha1_valid
, out
);
2711 strbuf_addbuf(out
, &wd
.sb_stat
);
2712 strbuf_addbuf(out
, &wd
.sb_sha1
);
2713 strbuf_addch(out
, '\0'); /* safe guard for string lists */
2715 ewah_free(wd
.valid
);
2716 ewah_free(wd
.check_only
);
2717 ewah_free(wd
.sha1_valid
);
2718 strbuf_release(&wd
.out
);
2719 strbuf_release(&wd
.sb_stat
);
2720 strbuf_release(&wd
.sb_sha1
);
2723 static void free_untracked(struct untracked_cache_dir
*ucd
)
2728 for (i
= 0; i
< ucd
->dirs_nr
; i
++)
2729 free_untracked(ucd
->dirs
[i
]);
2730 for (i
= 0; i
< ucd
->untracked_nr
; i
++)
2731 free(ucd
->untracked
[i
]);
2732 free(ucd
->untracked
);
2737 void free_untracked_cache(struct untracked_cache
*uc
)
2740 free_untracked(uc
->root
);
2746 struct untracked_cache_dir
**ucd
;
2747 struct ewah_bitmap
*check_only
;
2748 struct ewah_bitmap
*valid
;
2749 struct ewah_bitmap
*sha1_valid
;
2750 const unsigned char *data
;
2751 const unsigned char *end
;
2754 static void stat_data_from_disk(struct stat_data
*to
, const unsigned char *data
)
2756 memcpy(to
, data
, sizeof(*to
));
2757 to
->sd_ctime
.sec
= ntohl(to
->sd_ctime
.sec
);
2758 to
->sd_ctime
.nsec
= ntohl(to
->sd_ctime
.nsec
);
2759 to
->sd_mtime
.sec
= ntohl(to
->sd_mtime
.sec
);
2760 to
->sd_mtime
.nsec
= ntohl(to
->sd_mtime
.nsec
);
2761 to
->sd_dev
= ntohl(to
->sd_dev
);
2762 to
->sd_ino
= ntohl(to
->sd_ino
);
2763 to
->sd_uid
= ntohl(to
->sd_uid
);
2764 to
->sd_gid
= ntohl(to
->sd_gid
);
2765 to
->sd_size
= ntohl(to
->sd_size
);
2768 static int read_one_dir(struct untracked_cache_dir
**untracked_
,
2769 struct read_data
*rd
)
2771 struct untracked_cache_dir ud
, *untracked
;
2772 const unsigned char *next
, *data
= rd
->data
, *end
= rd
->end
;
2776 memset(&ud
, 0, sizeof(ud
));
2779 value
= decode_varint(&next
);
2783 ud
.untracked_alloc
= value
;
2784 ud
.untracked_nr
= value
;
2785 if (ud
.untracked_nr
)
2786 ALLOC_ARRAY(ud
.untracked
, ud
.untracked_nr
);
2790 ud
.dirs_alloc
= ud
.dirs_nr
= decode_varint(&next
);
2793 ALLOC_ARRAY(ud
.dirs
, ud
.dirs_nr
);
2796 len
= strlen((const char *)data
);
2797 next
= data
+ len
+ 1;
2800 *untracked_
= untracked
= xmalloc(st_add(sizeof(*untracked
), len
));
2801 memcpy(untracked
, &ud
, sizeof(ud
));
2802 memcpy(untracked
->name
, data
, len
+ 1);
2805 for (i
= 0; i
< untracked
->untracked_nr
; i
++) {
2806 len
= strlen((const char *)data
);
2807 next
= data
+ len
+ 1;
2810 untracked
->untracked
[i
] = xstrdup((const char*)data
);
2814 rd
->ucd
[rd
->index
++] = untracked
;
2817 for (i
= 0; i
< untracked
->dirs_nr
; i
++) {
2818 len
= read_one_dir(untracked
->dirs
+ i
, rd
);
2825 static void set_check_only(size_t pos
, void *cb
)
2827 struct read_data
*rd
= cb
;
2828 struct untracked_cache_dir
*ud
= rd
->ucd
[pos
];
2832 static void read_stat(size_t pos
, void *cb
)
2834 struct read_data
*rd
= cb
;
2835 struct untracked_cache_dir
*ud
= rd
->ucd
[pos
];
2836 if (rd
->data
+ sizeof(struct stat_data
) > rd
->end
) {
2837 rd
->data
= rd
->end
+ 1;
2840 stat_data_from_disk(&ud
->stat_data
, rd
->data
);
2841 rd
->data
+= sizeof(struct stat_data
);
2845 static void read_oid(size_t pos
, void *cb
)
2847 struct read_data
*rd
= cb
;
2848 struct untracked_cache_dir
*ud
= rd
->ucd
[pos
];
2849 if (rd
->data
+ the_hash_algo
->rawsz
> rd
->end
) {
2850 rd
->data
= rd
->end
+ 1;
2853 hashcpy(ud
->exclude_oid
.hash
, rd
->data
);
2854 rd
->data
+= the_hash_algo
->rawsz
;
2857 static void load_oid_stat(struct oid_stat
*oid_stat
, const unsigned char *data
,
2858 const unsigned char *sha1
)
2860 stat_data_from_disk(&oid_stat
->stat
, data
);
2861 hashcpy(oid_stat
->oid
.hash
, sha1
);
2862 oid_stat
->valid
= 1;
2865 struct untracked_cache
*read_untracked_extension(const void *data
, unsigned long sz
)
2867 struct untracked_cache
*uc
;
2868 struct read_data rd
;
2869 const unsigned char *next
= data
, *end
= (const unsigned char *)data
+ sz
;
2873 const char *exclude_per_dir
;
2875 if (sz
<= 1 || end
[-1] != '\0')
2879 ident_len
= decode_varint(&next
);
2880 if (next
+ ident_len
> end
)
2882 ident
= (const char *)next
;
2885 if (next
+ ouc_size(0) > end
)
2888 uc
= xcalloc(1, sizeof(*uc
));
2889 strbuf_init(&uc
->ident
, ident_len
);
2890 strbuf_add(&uc
->ident
, ident
, ident_len
);
2891 load_oid_stat(&uc
->ss_info_exclude
,
2892 next
+ ouc_offset(info_exclude_stat
),
2893 next
+ ouc_offset(info_exclude_sha1
));
2894 load_oid_stat(&uc
->ss_excludes_file
,
2895 next
+ ouc_offset(excludes_file_stat
),
2896 next
+ ouc_offset(excludes_file_sha1
));
2897 uc
->dir_flags
= get_be32(next
+ ouc_offset(dir_flags
));
2898 exclude_per_dir
= (const char *)next
+ ouc_offset(exclude_per_dir
);
2899 uc
->exclude_per_dir
= xstrdup(exclude_per_dir
);
2900 /* NUL after exclude_per_dir is covered by sizeof(*ouc) */
2901 next
+= ouc_size(strlen(exclude_per_dir
));
2905 len
= decode_varint(&next
);
2906 if (next
> end
|| len
== 0)
2909 rd
.valid
= ewah_new();
2910 rd
.check_only
= ewah_new();
2911 rd
.sha1_valid
= ewah_new();
2915 ALLOC_ARRAY(rd
.ucd
, len
);
2917 if (read_one_dir(&uc
->root
, &rd
) || rd
.index
!= len
)
2921 len
= ewah_read_mmap(rd
.valid
, next
, end
- next
);
2926 len
= ewah_read_mmap(rd
.check_only
, next
, end
- next
);
2931 len
= ewah_read_mmap(rd
.sha1_valid
, next
, end
- next
);
2935 ewah_each_bit(rd
.check_only
, set_check_only
, &rd
);
2936 rd
.data
= next
+ len
;
2937 ewah_each_bit(rd
.valid
, read_stat
, &rd
);
2938 ewah_each_bit(rd
.sha1_valid
, read_oid
, &rd
);
2943 ewah_free(rd
.valid
);
2944 ewah_free(rd
.check_only
);
2945 ewah_free(rd
.sha1_valid
);
2948 free_untracked_cache(uc
);
2954 static void invalidate_one_directory(struct untracked_cache
*uc
,
2955 struct untracked_cache_dir
*ucd
)
2957 uc
->dir_invalidated
++;
2959 ucd
->untracked_nr
= 0;
2963 * Normally when an entry is added or removed from a directory,
2964 * invalidating that directory is enough. No need to touch its
2965 * ancestors. When a directory is shown as "foo/bar/" in git-status
2966 * however, deleting or adding an entry may have cascading effect.
2968 * Say the "foo/bar/file" has become untracked, we need to tell the
2969 * untracked_cache_dir of "foo" that "bar/" is not an untracked
2970 * directory any more (because "bar" is managed by foo as an untracked
2973 * Similarly, if "foo/bar/file" moves from untracked to tracked and it
2974 * was the last untracked entry in the entire "foo", we should show
2975 * "foo/" instead. Which means we have to invalidate past "bar" up to
2978 * This function traverses all directories from root to leaf. If there
2979 * is a chance of one of the above cases happening, we invalidate back
2980 * to root. Otherwise we just invalidate the leaf. There may be a more
2981 * sophisticated way than checking for SHOW_OTHER_DIRECTORIES to
2982 * detect these cases and avoid unnecessary invalidation, for example,
2983 * checking for the untracked entry named "bar/" in "foo", but for now
2984 * stick to something safe and simple.
2986 static int invalidate_one_component(struct untracked_cache
*uc
,
2987 struct untracked_cache_dir
*dir
,
2988 const char *path
, int len
)
2990 const char *rest
= strchr(path
, '/');
2993 int component_len
= rest
- path
;
2994 struct untracked_cache_dir
*d
=
2995 lookup_untracked(uc
, dir
, path
, component_len
);
2997 invalidate_one_component(uc
, d
, rest
+ 1,
2998 len
- (component_len
+ 1));
3000 invalidate_one_directory(uc
, dir
);
3004 invalidate_one_directory(uc
, dir
);
3005 return uc
->dir_flags
& DIR_SHOW_OTHER_DIRECTORIES
;
3008 void untracked_cache_invalidate_path(struct index_state
*istate
,
3009 const char *path
, int safe_path
)
3011 if (!istate
->untracked
|| !istate
->untracked
->root
)
3013 if (!safe_path
&& !verify_path(path
, 0))
3015 invalidate_one_component(istate
->untracked
, istate
->untracked
->root
,
3016 path
, strlen(path
));
3019 void untracked_cache_remove_from_index(struct index_state
*istate
,
3022 untracked_cache_invalidate_path(istate
, path
, 1);
3025 void untracked_cache_add_to_index(struct index_state
*istate
,
3028 untracked_cache_invalidate_path(istate
, path
, 1);
3031 static void connect_wt_gitdir_in_nested(const char *sub_worktree
,
3032 const char *sub_gitdir
)
3035 struct repository subrepo
;
3036 struct strbuf sub_wt
= STRBUF_INIT
;
3037 struct strbuf sub_gd
= STRBUF_INIT
;
3039 const struct submodule
*sub
;
3041 /* If the submodule has no working tree, we can ignore it. */
3042 if (repo_init(&subrepo
, sub_gitdir
, sub_worktree
))
3045 if (repo_read_index(&subrepo
) < 0)
3046 die(_("index file corrupt in repo %s"), subrepo
.gitdir
);
3048 for (i
= 0; i
< subrepo
.index
->cache_nr
; i
++) {
3049 const struct cache_entry
*ce
= subrepo
.index
->cache
[i
];
3051 if (!S_ISGITLINK(ce
->ce_mode
))
3054 while (i
+ 1 < subrepo
.index
->cache_nr
&&
3055 !strcmp(ce
->name
, subrepo
.index
->cache
[i
+ 1]->name
))
3057 * Skip entries with the same name in different stages
3058 * to make sure an entry is returned only once.
3062 sub
= submodule_from_path(&subrepo
, &null_oid
, ce
->name
);
3063 if (!sub
|| !is_submodule_active(&subrepo
, ce
->name
))
3064 /* .gitmodules broken or inactive sub */
3067 strbuf_reset(&sub_wt
);
3068 strbuf_reset(&sub_gd
);
3069 strbuf_addf(&sub_wt
, "%s/%s", sub_worktree
, sub
->path
);
3070 strbuf_addf(&sub_gd
, "%s/modules/%s", sub_gitdir
, sub
->name
);
3072 connect_work_tree_and_git_dir(sub_wt
.buf
, sub_gd
.buf
, 1);
3074 strbuf_release(&sub_wt
);
3075 strbuf_release(&sub_gd
);
3076 repo_clear(&subrepo
);
3079 void connect_work_tree_and_git_dir(const char *work_tree_
,
3080 const char *git_dir_
,
3081 int recurse_into_nested
)
3083 struct strbuf gitfile_sb
= STRBUF_INIT
;
3084 struct strbuf cfg_sb
= STRBUF_INIT
;
3085 struct strbuf rel_path
= STRBUF_INIT
;
3086 char *git_dir
, *work_tree
;
3088 /* Prepare .git file */
3089 strbuf_addf(&gitfile_sb
, "%s/.git", work_tree_
);
3090 if (safe_create_leading_directories_const(gitfile_sb
.buf
))
3091 die(_("could not create directories for %s"), gitfile_sb
.buf
);
3093 /* Prepare config file */
3094 strbuf_addf(&cfg_sb
, "%s/config", git_dir_
);
3095 if (safe_create_leading_directories_const(cfg_sb
.buf
))
3096 die(_("could not create directories for %s"), cfg_sb
.buf
);
3098 git_dir
= real_pathdup(git_dir_
, 1);
3099 work_tree
= real_pathdup(work_tree_
, 1);
3101 /* Write .git file */
3102 write_file(gitfile_sb
.buf
, "gitdir: %s",
3103 relative_path(git_dir
, work_tree
, &rel_path
));
3104 /* Update core.worktree setting */
3105 git_config_set_in_file(cfg_sb
.buf
, "core.worktree",
3106 relative_path(work_tree
, git_dir
, &rel_path
));
3108 strbuf_release(&gitfile_sb
);
3109 strbuf_release(&cfg_sb
);
3110 strbuf_release(&rel_path
);
3112 if (recurse_into_nested
)
3113 connect_wt_gitdir_in_nested(work_tree
, git_dir
);
3120 * Migrate the git directory of the given path from old_git_dir to new_git_dir.
3122 void relocate_gitdir(const char *path
, const char *old_git_dir
, const char *new_git_dir
)
3124 if (rename(old_git_dir
, new_git_dir
) < 0)
3125 die_errno(_("could not migrate git directory from '%s' to '%s'"),
3126 old_git_dir
, new_git_dir
);
3128 connect_work_tree_and_git_dir(path
, new_git_dir
, 0);