2 * This handles recursive filename detection with exclude
3 * files, index knowledge etc..
5 * Copyright (C) Linus Torvalds, 2005-2006
6 * Junio Hamano, 2005-2006
12 struct path_simplify
{
17 static int read_directory_recursive(struct dir_struct
*dir
, const char *path
, int len
,
18 int check_only
, const struct path_simplify
*simplify
);
19 static int get_dtype(struct dirent
*de
, const char *path
, int len
);
21 /* helper string functions with support for the ignore_case flag */
22 int strcmp_icase(const char *a
, const char *b
)
24 return ignore_case
? strcasecmp(a
, b
) : strcmp(a
, b
);
27 int strncmp_icase(const char *a
, const char *b
, size_t count
)
29 return ignore_case
? strncasecmp(a
, b
, count
) : strncmp(a
, b
, count
);
32 int fnmatch_icase(const char *pattern
, const char *string
, int flags
)
34 return fnmatch(pattern
, string
, flags
| (ignore_case
? FNM_CASEFOLD
: 0));
37 static int common_prefix(const char **pathspec
)
39 const char *path
, *slash
, *next
;
46 slash
= strrchr(path
, '/');
51 * The first 'prefix' characters of 'path' are common leading
52 * path components among the pathspecs we have seen so far,
53 * including the trailing slash.
55 prefix
= slash
- path
+ 1;
56 while ((next
= *++pathspec
) != NULL
) {
57 int len
, last_matching_slash
= -1;
58 for (len
= 0; len
< prefix
&& next
[len
] == path
[len
]; len
++)
60 last_matching_slash
= len
;
63 if (last_matching_slash
< 0)
65 prefix
= last_matching_slash
+ 1;
70 int fill_directory(struct dir_struct
*dir
, const char **pathspec
)
76 * Calculate common prefix for the pathspec, and
77 * use that to optimize the directory walk
79 len
= common_prefix(pathspec
);
83 path
= xmemdupz(*pathspec
, len
);
85 /* Read the directory and prune it */
86 read_directory(dir
, path
, len
, pathspec
);
91 * Does 'match' match the given name?
94 * (1) the 'match' string is leading directory of 'name', or
95 * (2) the 'match' string is a wildcard and matches 'name', or
96 * (3) the 'match' string is exactly the same as 'name'.
98 * and the return value tells which case it was.
100 * It returns 0 when there is no match.
102 static int match_one(const char *match
, const char *name
, int namelen
)
106 /* If the match was just the prefix, we matched */
108 return MATCHED_RECURSIVELY
;
112 unsigned char c1
= tolower(*match
);
113 unsigned char c2
= tolower(*name
);
114 if (c1
== '\0' || is_glob_special(c1
))
124 unsigned char c1
= *match
;
125 unsigned char c2
= *name
;
126 if (c1
== '\0' || is_glob_special(c1
))
138 * If we don't match the matchstring exactly,
139 * we need to match by fnmatch
141 matchlen
= strlen(match
);
142 if (strncmp_icase(match
, name
, matchlen
))
143 return !fnmatch_icase(match
, name
, 0) ? MATCHED_FNMATCH
: 0;
145 if (namelen
== matchlen
)
146 return MATCHED_EXACTLY
;
147 if (match
[matchlen
-1] == '/' || name
[matchlen
] == '/')
148 return MATCHED_RECURSIVELY
;
153 * Given a name and a list of pathspecs, see if the name matches
154 * any of the pathspecs. The caller is also interested in seeing
155 * all pathspec matches some names it calls this function with
156 * (otherwise the user could have mistyped the unmatched pathspec),
157 * and a mark is left in seen[] array for pathspec element that
158 * actually matched anything.
160 int match_pathspec(const char **pathspec
, const char *name
, int namelen
,
161 int prefix
, char *seen
)
171 for (i
= 0; pathspec
[i
] != NULL
; i
++) {
173 const char *match
= pathspec
[i
] + prefix
;
174 if (seen
&& seen
[i
] == MATCHED_EXACTLY
)
176 how
= match_one(match
, name
, namelen
);
180 if (seen
&& seen
[i
] < how
)
187 static int no_wildcard(const char *string
)
189 return string
[strcspn(string
, "*?[{\\")] == '\0';
192 void add_exclude(const char *string
, const char *base
,
193 int baselen
, struct exclude_list
*which
)
200 if (*string
== '!') {
204 len
= strlen(string
);
205 if (len
&& string
[len
- 1] == '/') {
207 x
= xmalloc(sizeof(*x
) + len
);
209 memcpy(s
, string
, len
- 1);
213 flags
= EXC_FLAG_MUSTBEDIR
;
215 x
= xmalloc(sizeof(*x
));
218 x
->to_exclude
= to_exclude
;
219 x
->patternlen
= strlen(string
);
221 x
->baselen
= baselen
;
223 if (!strchr(string
, '/'))
224 x
->flags
|= EXC_FLAG_NODIR
;
225 if (no_wildcard(string
))
226 x
->flags
|= EXC_FLAG_NOWILDCARD
;
227 if (*string
== '*' && no_wildcard(string
+1))
228 x
->flags
|= EXC_FLAG_ENDSWITH
;
229 ALLOC_GROW(which
->excludes
, which
->nr
+ 1, which
->alloc
);
230 which
->excludes
[which
->nr
++] = x
;
233 static void *read_skip_worktree_file_from_index(const char *path
, size_t *size
)
237 enum object_type type
;
239 struct index_state
*istate
= &the_index
;
242 pos
= index_name_pos(istate
, path
, len
);
245 if (!ce_skip_worktree(istate
->cache
[pos
]))
247 data
= read_sha1_file(istate
->cache
[pos
]->sha1
, &type
, &sz
);
248 if (!data
|| type
!= OBJ_BLOB
) {
256 void free_excludes(struct exclude_list
*el
)
260 for (i
= 0; i
< el
->nr
; i
++)
261 free(el
->excludes
[i
]);
268 int add_excludes_from_file_to_list(const char *fname
,
272 struct exclude_list
*which
,
280 fd
= open(fname
, O_RDONLY
);
281 if (fd
< 0 || fstat(fd
, &st
) < 0) {
285 (buf
= read_skip_worktree_file_from_index(fname
, &size
)) == NULL
)
291 if (buf
[size
-1] != '\n') {
292 buf
= xrealloc(buf
, size
+1);
297 size
= xsize_t(st
.st_size
);
302 buf
= xmalloc(size
+1);
303 if (read_in_full(fd
, buf
, size
) != size
) {
315 for (i
= 0; i
< size
; i
++) {
316 if (buf
[i
] == '\n') {
317 if (entry
!= buf
+ i
&& entry
[0] != '#') {
318 buf
[i
- (i
&& buf
[i
-1] == '\r')] = 0;
319 add_exclude(entry
, base
, baselen
, which
);
327 void add_excludes_from_file(struct dir_struct
*dir
, const char *fname
)
329 if (add_excludes_from_file_to_list(fname
, "", 0, NULL
,
330 &dir
->exclude_list
[EXC_FILE
], 0) < 0)
331 die("cannot use %s as an exclude file", fname
);
334 static void prep_exclude(struct dir_struct
*dir
, const char *base
, int baselen
)
336 struct exclude_list
*el
;
337 struct exclude_stack
*stk
= NULL
;
340 if ((!dir
->exclude_per_dir
) ||
341 (baselen
+ strlen(dir
->exclude_per_dir
) >= PATH_MAX
))
342 return; /* too long a path -- ignore */
344 /* Pop the ones that are not the prefix of the path being checked. */
345 el
= &dir
->exclude_list
[EXC_DIRS
];
346 while ((stk
= dir
->exclude_stack
) != NULL
) {
347 if (stk
->baselen
<= baselen
&&
348 !strncmp(dir
->basebuf
, base
, stk
->baselen
))
350 dir
->exclude_stack
= stk
->prev
;
351 while (stk
->exclude_ix
< el
->nr
)
352 free(el
->excludes
[--el
->nr
]);
357 /* Read from the parent directories and push them down. */
358 current
= stk
? stk
->baselen
: -1;
359 while (current
< baselen
) {
360 struct exclude_stack
*stk
= xcalloc(1, sizeof(*stk
));
368 cp
= strchr(base
+ current
+ 1, '/');
370 die("oops in prep_exclude");
373 stk
->prev
= dir
->exclude_stack
;
374 stk
->baselen
= cp
- base
;
375 stk
->exclude_ix
= el
->nr
;
376 memcpy(dir
->basebuf
+ current
, base
+ current
,
377 stk
->baselen
- current
);
378 strcpy(dir
->basebuf
+ stk
->baselen
, dir
->exclude_per_dir
);
379 add_excludes_from_file_to_list(dir
->basebuf
,
380 dir
->basebuf
, stk
->baselen
,
381 &stk
->filebuf
, el
, 1);
382 dir
->exclude_stack
= stk
;
383 current
= stk
->baselen
;
385 dir
->basebuf
[baselen
] = '\0';
388 /* Scan the list and let the last match determine the fate.
389 * Return 1 for exclude, 0 for include and -1 for undecided.
391 int excluded_from_list(const char *pathname
,
392 int pathlen
, const char *basename
, int *dtype
,
393 struct exclude_list
*el
)
398 for (i
= el
->nr
- 1; 0 <= i
; i
--) {
399 struct exclude
*x
= el
->excludes
[i
];
400 const char *exclude
= x
->pattern
;
401 int to_exclude
= x
->to_exclude
;
403 if (x
->flags
& EXC_FLAG_MUSTBEDIR
) {
404 if (*dtype
== DT_UNKNOWN
)
405 *dtype
= get_dtype(NULL
, pathname
, pathlen
);
406 if (*dtype
!= DT_DIR
)
410 if (x
->flags
& EXC_FLAG_NODIR
) {
412 if (x
->flags
& EXC_FLAG_NOWILDCARD
) {
413 if (!strcmp_icase(exclude
, basename
))
415 } else if (x
->flags
& EXC_FLAG_ENDSWITH
) {
416 if (x
->patternlen
- 1 <= pathlen
&&
417 !strcmp_icase(exclude
+ 1, pathname
+ pathlen
- x
->patternlen
+ 1))
420 if (fnmatch_icase(exclude
, basename
, 0) == 0)
425 /* match with FNM_PATHNAME:
426 * exclude has base (baselen long) implicitly
429 int baselen
= x
->baselen
;
433 if (pathlen
< baselen
||
434 (baselen
&& pathname
[baselen
-1] != '/') ||
435 strncmp_icase(pathname
, x
->base
, baselen
))
438 if (x
->flags
& EXC_FLAG_NOWILDCARD
) {
439 if (!strcmp_icase(exclude
, pathname
+ baselen
))
442 if (fnmatch_icase(exclude
, pathname
+baselen
,
449 return -1; /* undecided */
452 int excluded(struct dir_struct
*dir
, const char *pathname
, int *dtype_p
)
454 int pathlen
= strlen(pathname
);
456 const char *basename
= strrchr(pathname
, '/');
457 basename
= (basename
) ? basename
+1 : pathname
;
459 prep_exclude(dir
, pathname
, basename
-pathname
);
460 for (st
= EXC_CMDL
; st
<= EXC_FILE
; st
++) {
461 switch (excluded_from_list(pathname
, pathlen
, basename
,
462 dtype_p
, &dir
->exclude_list
[st
])) {
472 static struct dir_entry
*dir_entry_new(const char *pathname
, int len
)
474 struct dir_entry
*ent
;
476 ent
= xmalloc(sizeof(*ent
) + len
+ 1);
478 memcpy(ent
->name
, pathname
, len
);
483 static struct dir_entry
*dir_add_name(struct dir_struct
*dir
, const char *pathname
, int len
)
485 if (cache_name_exists(pathname
, len
, ignore_case
))
488 ALLOC_GROW(dir
->entries
, dir
->nr
+1, dir
->alloc
);
489 return dir
->entries
[dir
->nr
++] = dir_entry_new(pathname
, len
);
492 struct dir_entry
*dir_add_ignored(struct dir_struct
*dir
, const char *pathname
, int len
)
494 if (!cache_name_is_other(pathname
, len
))
497 ALLOC_GROW(dir
->ignored
, dir
->ignored_nr
+1, dir
->ignored_alloc
);
498 return dir
->ignored
[dir
->ignored_nr
++] = dir_entry_new(pathname
, len
);
502 index_nonexistent
= 0,
508 * Do not use the alphabetically stored index to look up
509 * the directory name; instead, use the case insensitive
512 static enum exist_status
directory_exists_in_index_icase(const char *dirname
, int len
)
514 struct cache_entry
*ce
= index_name_exists(&the_index
, dirname
, len
+ 1, ignore_case
);
515 unsigned char endchar
;
518 return index_nonexistent
;
519 endchar
= ce
->name
[len
];
522 * The cache_entry structure returned will contain this dirname
523 * and possibly additional path components.
526 return index_directory
;
529 * If there are no additional path components, then this cache_entry
530 * represents a submodule. Submodules, despite being directories,
531 * are stored in the cache without a closing slash.
533 if (!endchar
&& S_ISGITLINK(ce
->ce_mode
))
536 /* This should never be hit, but it exists just in case. */
537 return index_nonexistent
;
541 * The index sorts alphabetically by entry name, which
542 * means that a gitlink sorts as '\0' at the end, while
543 * a directory (which is defined not as an entry, but as
544 * the files it contains) will sort with the '/' at the
547 static enum exist_status
directory_exists_in_index(const char *dirname
, int len
)
552 return directory_exists_in_index_icase(dirname
, len
);
554 pos
= cache_name_pos(dirname
, len
);
557 while (pos
< active_nr
) {
558 struct cache_entry
*ce
= active_cache
[pos
++];
559 unsigned char endchar
;
561 if (strncmp(ce
->name
, dirname
, len
))
563 endchar
= ce
->name
[len
];
567 return index_directory
;
568 if (!endchar
&& S_ISGITLINK(ce
->ce_mode
))
571 return index_nonexistent
;
575 * When we find a directory when traversing the filesystem, we
576 * have three distinct cases:
579 * - see it as a directory
582 * and which one we choose depends on a combination of existing
583 * git index contents and the flags passed into the directory
586 * Case 1: If we *already* have entries in the index under that
587 * directory name, we always recurse into the directory to see
590 * Case 2: If we *already* have that directory name as a gitlink,
591 * we always continue to see it as a gitlink, regardless of whether
592 * there is an actual git directory there or not (it might not
593 * be checked out as a subproject!)
595 * Case 3: if we didn't have it in the index previously, we
596 * have a few sub-cases:
598 * (a) if "show_other_directories" is true, we show it as
599 * just a directory, unless "hide_empty_directories" is
600 * also true and the directory is empty, in which case
601 * we just ignore it entirely.
602 * (b) if it looks like a git directory, and we don't have
603 * 'no_gitlinks' set we treat it as a gitlink, and show it
605 * (c) otherwise, we recurse into it.
607 enum directory_treatment
{
610 recurse_into_directory
613 static enum directory_treatment
treat_directory(struct dir_struct
*dir
,
614 const char *dirname
, int len
,
615 const struct path_simplify
*simplify
)
617 /* The "len-1" is to strip the final '/' */
618 switch (directory_exists_in_index(dirname
, len
-1)) {
619 case index_directory
:
620 return recurse_into_directory
;
623 if (dir
->flags
& DIR_SHOW_OTHER_DIRECTORIES
)
624 return ignore_directory
;
625 return show_directory
;
627 case index_nonexistent
:
628 if (dir
->flags
& DIR_SHOW_OTHER_DIRECTORIES
)
630 if (!(dir
->flags
& DIR_NO_GITLINKS
)) {
631 unsigned char sha1
[20];
632 if (resolve_gitlink_ref(dirname
, "HEAD", sha1
) == 0)
633 return show_directory
;
635 return recurse_into_directory
;
638 /* This is the "show_other_directories" case */
639 if (!(dir
->flags
& DIR_HIDE_EMPTY_DIRECTORIES
))
640 return show_directory
;
641 if (!read_directory_recursive(dir
, dirname
, len
, 1, simplify
))
642 return ignore_directory
;
643 return show_directory
;
647 * This is an inexact early pruning of any recursive directory
648 * reading - if the path cannot possibly be in the pathspec,
649 * return true, and we'll skip it early.
651 static int simplify_away(const char *path
, int pathlen
, const struct path_simplify
*simplify
)
655 const char *match
= simplify
->path
;
656 int len
= simplify
->len
;
662 if (!memcmp(path
, match
, len
))
672 * This function tells us whether an excluded path matches a
673 * list of "interesting" pathspecs. That is, whether a path matched
674 * by any of the pathspecs could possibly be ignored by excluding
675 * the specified path. This can happen if:
677 * 1. the path is mentioned explicitly in the pathspec
679 * 2. the path is a directory prefix of some element in the
682 static int exclude_matches_pathspec(const char *path
, int len
,
683 const struct path_simplify
*simplify
)
686 for (; simplify
->path
; simplify
++) {
687 if (len
== simplify
->len
688 && !memcmp(path
, simplify
->path
, len
))
690 if (len
< simplify
->len
691 && simplify
->path
[len
] == '/'
692 && !memcmp(path
, simplify
->path
, len
))
699 static int get_index_dtype(const char *path
, int len
)
702 struct cache_entry
*ce
;
704 ce
= cache_name_exists(path
, len
, 0);
706 if (!ce_uptodate(ce
))
708 if (S_ISGITLINK(ce
->ce_mode
))
711 * Nobody actually cares about the
712 * difference between DT_LNK and DT_REG
717 /* Try to look it up as a directory */
718 pos
= cache_name_pos(path
, len
);
722 while (pos
< active_nr
) {
723 ce
= active_cache
[pos
++];
724 if (strncmp(ce
->name
, path
, len
))
726 if (ce
->name
[len
] > '/')
728 if (ce
->name
[len
] < '/')
730 if (!ce_uptodate(ce
))
731 break; /* continue? */
737 static int get_dtype(struct dirent
*de
, const char *path
, int len
)
739 int dtype
= de
? DTYPE(de
) : DT_UNKNOWN
;
742 if (dtype
!= DT_UNKNOWN
)
744 dtype
= get_index_dtype(path
, len
);
745 if (dtype
!= DT_UNKNOWN
)
747 if (lstat(path
, &st
))
749 if (S_ISREG(st
.st_mode
))
751 if (S_ISDIR(st
.st_mode
))
753 if (S_ISLNK(st
.st_mode
))
758 enum path_treatment
{
764 static enum path_treatment
treat_one_path(struct dir_struct
*dir
,
765 char *path
, int *len
,
766 const struct path_simplify
*simplify
,
767 int dtype
, struct dirent
*de
)
769 int exclude
= excluded(dir
, path
, &dtype
);
770 if (exclude
&& (dir
->flags
& DIR_COLLECT_IGNORED
)
771 && exclude_matches_pathspec(path
, *len
, simplify
))
772 dir_add_ignored(dir
, path
, *len
);
775 * Excluded? If we don't explicitly want to show
776 * ignored files, ignore it
778 if (exclude
&& !(dir
->flags
& DIR_SHOW_IGNORED
))
781 if (dtype
== DT_UNKNOWN
)
782 dtype
= get_dtype(de
, path
, *len
);
785 * Do we want to see just the ignored files?
786 * We still need to recurse into directories,
787 * even if we don't ignore them, since the
788 * directory may contain files that we do..
790 if (!exclude
&& (dir
->flags
& DIR_SHOW_IGNORED
)) {
799 memcpy(path
+ *len
, "/", 2);
801 switch (treat_directory(dir
, path
, *len
, simplify
)) {
803 if (exclude
!= !!(dir
->flags
807 case recurse_into_directory
:
809 case ignore_directory
:
820 static enum path_treatment
treat_path(struct dir_struct
*dir
,
822 char *path
, int path_max
,
824 const struct path_simplify
*simplify
,
829 if (is_dot_or_dotdot(de
->d_name
) || !strcmp(de
->d_name
, ".git"))
831 *len
= strlen(de
->d_name
);
832 /* Ignore overly long pathnames! */
833 if (*len
+ baselen
+ 8 > path_max
)
835 memcpy(path
+ baselen
, de
->d_name
, *len
+ 1);
837 if (simplify_away(path
, *len
, simplify
))
841 return treat_one_path(dir
, path
, len
, simplify
, dtype
, de
);
845 * Read a directory tree. We currently ignore anything but
846 * directories, regular files and symlinks. That's because git
847 * doesn't handle them at all yet. Maybe that will change some
850 * Also, we ignore the name ".git" (even if it is not a directory).
851 * That likely will not change.
853 static int read_directory_recursive(struct dir_struct
*dir
,
854 const char *base
, int baselen
,
856 const struct path_simplify
*simplify
)
858 DIR *fdir
= opendir(*base
? base
: ".");
863 char path
[PATH_MAX
+ 1];
864 memcpy(path
, base
, baselen
);
866 while ((de
= readdir(fdir
)) != NULL
) {
868 switch (treat_path(dir
, de
, path
, sizeof(path
),
869 baselen
, simplify
, &len
)) {
871 contents
+= read_directory_recursive
872 (dir
, path
, len
, 0, simplify
);
883 dir_add_name(dir
, path
, len
);
892 static int cmp_name(const void *p1
, const void *p2
)
894 const struct dir_entry
*e1
= *(const struct dir_entry
**)p1
;
895 const struct dir_entry
*e2
= *(const struct dir_entry
**)p2
;
897 return cache_name_compare(e1
->name
, e1
->len
,
902 * Return the length of the "simple" part of a path match limiter.
904 static int simple_length(const char *match
)
909 unsigned char c
= *match
++;
911 if (c
== '\0' || is_glob_special(c
))
916 static struct path_simplify
*create_simplify(const char **pathspec
)
919 struct path_simplify
*simplify
= NULL
;
924 for (nr
= 0 ; ; nr
++) {
927 alloc
= alloc_nr(alloc
);
928 simplify
= xrealloc(simplify
, alloc
* sizeof(*simplify
));
933 simplify
[nr
].path
= match
;
934 simplify
[nr
].len
= simple_length(match
);
936 simplify
[nr
].path
= NULL
;
937 simplify
[nr
].len
= 0;
941 static void free_simplify(struct path_simplify
*simplify
)
946 static int treat_leading_path(struct dir_struct
*dir
,
947 const char *path
, int len
,
948 const struct path_simplify
*simplify
)
950 char pathbuf
[PATH_MAX
];
954 while (len
&& path
[len
- 1] == '/')
960 cp
= path
+ baselen
+ !!baselen
;
961 cp
= memchr(cp
, '/', path
+ len
- cp
);
966 memcpy(pathbuf
, path
, baselen
);
967 pathbuf
[baselen
] = '\0';
968 if (!is_directory(pathbuf
))
970 if (simplify_away(pathbuf
, baselen
, simplify
))
973 if (treat_one_path(dir
, pathbuf
, &blen
, simplify
,
974 DT_DIR
, NULL
) == path_ignored
)
975 return 0; /* do not recurse into it */
977 return 1; /* finished checking */
981 int read_directory(struct dir_struct
*dir
, const char *path
, int len
, const char **pathspec
)
983 struct path_simplify
*simplify
;
985 if (has_symlink_leading_path(path
, len
))
988 simplify
= create_simplify(pathspec
);
989 if (!len
|| treat_leading_path(dir
, path
, len
, simplify
))
990 read_directory_recursive(dir
, path
, len
, 0, simplify
);
991 free_simplify(simplify
);
992 qsort(dir
->entries
, dir
->nr
, sizeof(struct dir_entry
*), cmp_name
);
993 qsort(dir
->ignored
, dir
->ignored_nr
, sizeof(struct dir_entry
*), cmp_name
);
997 int file_exists(const char *f
)
1000 return lstat(f
, &sb
) == 0;
1004 * get_relative_cwd() gets the prefix of the current working directory
1005 * relative to 'dir'. If we are not inside 'dir', it returns NULL.
1007 * As a convenience, it also returns NULL if 'dir' is already NULL. The
1008 * reason for this behaviour is that it is natural for functions returning
1009 * directory names to return NULL to say "this directory does not exist"
1010 * or "this directory is invalid". These cases are usually handled the
1011 * same as if the cwd is not inside 'dir' at all, so get_relative_cwd()
1012 * returns NULL for both of them.
1014 * Most notably, get_relative_cwd(buffer, size, get_git_work_tree())
1015 * unifies the handling of "outside work tree" with "no work tree at all".
1017 char *get_relative_cwd(char *buffer
, int size
, const char *dir
)
1023 if (!getcwd(buffer
, size
))
1024 die_errno("can't find the current directory");
1026 if (!is_absolute_path(dir
))
1027 dir
= make_absolute_path(dir
);
1029 while (*dir
&& *dir
== *cwd
) {
1042 * dir can end with a path separator when it's root
1043 * directory. Return proper prefix in that case.
1051 int is_inside_dir(const char *dir
)
1053 char buffer
[PATH_MAX
];
1054 return get_relative_cwd(buffer
, sizeof(buffer
), dir
) != NULL
;
1057 int is_empty_dir(const char *path
)
1059 DIR *dir
= opendir(path
);
1066 while ((e
= readdir(dir
)) != NULL
)
1067 if (!is_dot_or_dotdot(e
->d_name
)) {
1076 int remove_dir_recursively(struct strbuf
*path
, int flag
)
1080 int ret
= 0, original_len
= path
->len
, len
;
1081 int only_empty
= (flag
& REMOVE_DIR_EMPTY_ONLY
);
1082 unsigned char submodule_head
[20];
1084 if ((flag
& REMOVE_DIR_KEEP_NESTED_GIT
) &&
1085 !resolve_gitlink_ref(path
->buf
, "HEAD", submodule_head
))
1086 /* Do not descend and nuke a nested git work tree. */
1089 dir
= opendir(path
->buf
);
1092 if (path
->buf
[original_len
- 1] != '/')
1093 strbuf_addch(path
, '/');
1096 while ((e
= readdir(dir
)) != NULL
) {
1098 if (is_dot_or_dotdot(e
->d_name
))
1101 strbuf_setlen(path
, len
);
1102 strbuf_addstr(path
, e
->d_name
);
1103 if (lstat(path
->buf
, &st
))
1105 else if (S_ISDIR(st
.st_mode
)) {
1106 if (!remove_dir_recursively(path
, only_empty
))
1107 continue; /* happy */
1108 } else if (!only_empty
&& !unlink(path
->buf
))
1109 continue; /* happy, too */
1111 /* path too long, stat fails, or non-directory still exists */
1117 strbuf_setlen(path
, original_len
);
1119 ret
= rmdir(path
->buf
);
1123 void setup_standard_excludes(struct dir_struct
*dir
)
1127 dir
->exclude_per_dir
= ".gitignore";
1128 path
= git_path("info/exclude");
1129 if (!access(path
, R_OK
))
1130 add_excludes_from_file(dir
, path
);
1131 if (excludes_file
&& !access(excludes_file
, R_OK
))
1132 add_excludes_from_file(dir
, excludes_file
);
1135 int remove_path(const char *name
)
1139 if (unlink(name
) && errno
!= ENOENT
)
1142 slash
= strrchr(name
, '/');
1144 char *dirs
= xstrdup(name
);
1145 slash
= dirs
+ (slash
- name
);
1148 } while (rmdir(dirs
) == 0 && (slash
= strrchr(dirs
, '/')));