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 size_t common_prefix_len(const char **pathspec)
39 const char *n, *first;
46 while ((n = *pathspec++)) {
48 for (i = 0; first == n || i < max; i++) {
50 if (!c || c != first[i] || is_glob_special(c))
55 if (first == n || len < max) {
65 * Returns a copy of the longest leading path common among all
68 char *common_prefix(const char **pathspec)
70 unsigned long len = common_prefix_len(pathspec);
72 return len ? xmemdupz(*pathspec, len) : NULL;
75 int fill_directory(struct dir_struct *dir, const char **pathspec)
81 * Calculate common prefix for the pathspec, and
82 * use that to optimize the directory walk
84 len = common_prefix_len(pathspec);
88 path = xmemdupz(*pathspec, len);
90 /* Read the directory and prune it */
91 read_directory(dir, path, len, pathspec);
97 int within_depth(const char *name, int namelen,
98 int depth, int max_depth)
100 const char *cp = name, *cpe = name + namelen;
106 if (depth > max_depth)
113 * Does 'match' match the given name?
114 * A match is found if
116 * (1) the 'match' string is leading directory of 'name', or
117 * (2) the 'match' string is a wildcard and matches 'name', or
118 * (3) the 'match' string is exactly the same as 'name'.
120 * and the return value tells which case it was.
122 * It returns 0 when there is no match.
124 static int match_one(const char *match, const char *name, int namelen)
128 /* If the match was just the prefix, we matched */
130 return MATCHED_RECURSIVELY;
134 unsigned char c1 = tolower(*match);
135 unsigned char c2 = tolower(*name);
136 if (c1 == '\0' || is_glob_special(c1))
146 unsigned char c1 = *match;
147 unsigned char c2 = *name;
148 if (c1 == '\0' || is_glob_special(c1))
160 * If we don't match the matchstring exactly,
161 * we need to match by fnmatch
163 matchlen = strlen(match);
164 if (strncmp_icase(match, name, matchlen))
165 return !fnmatch_icase(match, name, 0) ? MATCHED_FNMATCH : 0;
167 if (namelen == matchlen)
168 return MATCHED_EXACTLY;
169 if (match[matchlen-1] == '/' || name[matchlen] == '/')
170 return MATCHED_RECURSIVELY;
175 * Given a name and a list of pathspecs, see if the name matches
176 * any of the pathspecs. The caller is also interested in seeing
177 * all pathspec matches some names it calls this function with
178 * (otherwise the user could have mistyped the unmatched pathspec),
179 * and a mark is left in seen[] array for pathspec element that
180 * actually matched anything.
182 int match_pathspec(const char **pathspec, const char *name, int namelen,
183 int prefix, char *seen)
193 for (i = 0; pathspec[i] != NULL; i++) {
195 const char *match = pathspec[i] + prefix;
196 if (seen && seen[i] == MATCHED_EXACTLY)
198 how = match_one(match, name, namelen);
202 if (seen && seen[i] < how)
210 * Does 'match' match the given name?
211 * A match is found if
213 * (1) the 'match' string is leading directory of 'name', or
214 * (2) the 'match' string is a wildcard and matches 'name', or
215 * (3) the 'match' string is exactly the same as 'name'.
217 * and the return value tells which case it was.
219 * It returns 0 when there is no match.
221 static int match_pathspec_item(const struct pathspec_item *item, int prefix,
222 const char *name, int namelen)
224 /* name/namelen has prefix cut off by caller */
225 const char *match = item->match + prefix;
226 int matchlen = item->len - prefix;
228 /* If the match was just the prefix, we matched */
230 return MATCHED_RECURSIVELY;
232 if (matchlen <= namelen && !strncmp(match, name, matchlen)) {
233 if (matchlen == namelen)
234 return MATCHED_EXACTLY;
236 if (match[matchlen-1] == '/' || name[matchlen] == '/')
237 return MATCHED_RECURSIVELY;
240 if (item->use_wildcard && !fnmatch(match, name, 0))
241 return MATCHED_FNMATCH;
247 * Given a name and a list of pathspecs, see if the name matches
248 * any of the pathspecs. The caller is also interested in seeing
249 * all pathspec matches some names it calls this function with
250 * (otherwise the user could have mistyped the unmatched pathspec),
251 * and a mark is left in seen[] array for pathspec element that
252 * actually matched anything.
254 int match_pathspec_depth(const struct pathspec *ps,
255 const char *name, int namelen,
256 int prefix, char *seen)
261 if (!ps->recursive || ps->max_depth == -1)
262 return MATCHED_RECURSIVELY;
264 if (within_depth(name, namelen, 0, ps->max_depth))
265 return MATCHED_EXACTLY;
273 for (i = ps->nr - 1; i >= 0; i--) {
275 if (seen && seen[i] == MATCHED_EXACTLY)
277 how = match_pathspec_item(ps->items+i, prefix, name, namelen);
278 if (ps->recursive && ps->max_depth != -1 &&
279 how && how != MATCHED_FNMATCH) {
280 int len = ps->items[i].len;
281 if (name[len] == '/')
283 if (within_depth(name+len, namelen-len, 0, ps->max_depth))
284 how = MATCHED_EXACTLY;
291 if (seen && seen[i] < how)
298 static int no_wildcard(const char *string)
300 return string[strcspn(string, "*?[{\\")] == '\0';
303 void add_exclude(const char *string, const char *base,
304 int baselen, struct exclude_list *which)
311 if (*string == '!') {
315 len = strlen(string);
316 if (len && string[len - 1] == '/') {
318 x = xmalloc(sizeof(*x) + len);
320 memcpy(s, string, len - 1);
324 flags = EXC_FLAG_MUSTBEDIR;
326 x = xmalloc(sizeof(*x));
329 x->to_exclude = to_exclude;
330 x->patternlen = strlen(string);
332 x->baselen = baselen;
334 if (!strchr(string, '/'))
335 x->flags |= EXC_FLAG_NODIR;
336 if (no_wildcard(string))
337 x->flags |= EXC_FLAG_NOWILDCARD;
338 if (*string == '*' && no_wildcard(string+1))
339 x->flags |= EXC_FLAG_ENDSWITH;
340 ALLOC_GROW(which->excludes, which->nr + 1, which->alloc);
341 which->excludes[which->nr++] = x;
344 static void *read_skip_worktree_file_from_index(const char *path, size_t *size)
348 enum object_type type;
350 struct index_state *istate = &the_index;
353 pos = index_name_pos(istate, path, len);
356 if (!ce_skip_worktree(istate->cache[pos]))
358 data = read_sha1_file(istate->cache[pos]->sha1, &type, &sz);
359 if (!data || type != OBJ_BLOB) {
367 void free_excludes(struct exclude_list *el)
371 for (i = 0; i < el->nr; i++)
372 free(el->excludes[i]);
379 int add_excludes_from_file_to_list(const char *fname,
383 struct exclude_list *which,
391 fd = open(fname, O_RDONLY);
392 if (fd < 0 || fstat(fd, &st) < 0) {
396 (buf = read_skip_worktree_file_from_index(fname, &size)) == NULL)
402 if (buf[size-1] != '\n') {
403 buf = xrealloc(buf, size+1);
408 size = xsize_t(st.st_size);
413 buf = xmalloc(size+1);
414 if (read_in_full(fd, buf, size) != size) {
426 for (i = 0; i < size; i++) {
427 if (buf[i] == '\n') {
428 if (entry != buf + i && entry[0] != '#') {
429 buf[i - (i && buf[i-1] == '\r')] = 0;
430 add_exclude(entry, base, baselen, which);
438 void add_excludes_from_file(struct dir_struct *dir, const char *fname)
440 if (add_excludes_from_file_to_list(fname, "", 0, NULL,
441 &dir->exclude_list[EXC_FILE], 0) < 0)
442 die("cannot use %s as an exclude file", fname);
445 static void prep_exclude(struct dir_struct *dir, const char *base, int baselen)
447 struct exclude_list *el;
448 struct exclude_stack *stk = NULL;
451 if ((!dir->exclude_per_dir) ||
452 (baselen + strlen(dir->exclude_per_dir) >= PATH_MAX))
453 return; /* too long a path -- ignore */
455 /* Pop the ones that are not the prefix of the path being checked. */
456 el = &dir->exclude_list[EXC_DIRS];
457 while ((stk = dir->exclude_stack) != NULL) {
458 if (stk->baselen <= baselen &&
459 !strncmp(dir->basebuf, base, stk->baselen))
461 dir->exclude_stack = stk->prev;
462 while (stk->exclude_ix < el->nr)
463 free(el->excludes[--el->nr]);
468 /* Read from the parent directories and push them down. */
469 current = stk ? stk->baselen : -1;
470 while (current < baselen) {
471 struct exclude_stack *stk = xcalloc(1, sizeof(*stk));
479 cp = strchr(base + current + 1, '/');
481 die("oops in prep_exclude");
484 stk->prev = dir->exclude_stack;
485 stk->baselen = cp - base;
486 stk->exclude_ix = el->nr;
487 memcpy(dir->basebuf + current, base + current,
488 stk->baselen - current);
489 strcpy(dir->basebuf + stk->baselen, dir->exclude_per_dir);
490 add_excludes_from_file_to_list(dir->basebuf,
491 dir->basebuf, stk->baselen,
492 &stk->filebuf, el, 1);
493 dir->exclude_stack = stk;
494 current = stk->baselen;
496 dir->basebuf[baselen] = '\0';
499 /* Scan the list and let the last match determine the fate.
500 * Return 1 for exclude, 0 for include and -1 for undecided.
502 int excluded_from_list(const char *pathname,
503 int pathlen, const char *basename, int *dtype,
504 struct exclude_list *el)
509 for (i = el->nr - 1; 0 <= i; i--) {
510 struct exclude *x = el->excludes[i];
511 const char *exclude = x->pattern;
512 int to_exclude = x->to_exclude;
514 if (x->flags & EXC_FLAG_MUSTBEDIR) {
515 if (*dtype == DT_UNKNOWN)
516 *dtype = get_dtype(NULL, pathname, pathlen);
517 if (*dtype != DT_DIR)
521 if (x->flags & EXC_FLAG_NODIR) {
523 if (x->flags & EXC_FLAG_NOWILDCARD) {
524 if (!strcmp_icase(exclude, basename))
526 } else if (x->flags & EXC_FLAG_ENDSWITH) {
527 if (x->patternlen - 1 <= pathlen &&
528 !strcmp_icase(exclude + 1, pathname + pathlen - x->patternlen + 1))
531 if (fnmatch_icase(exclude, basename, 0) == 0)
536 /* match with FNM_PATHNAME:
537 * exclude has base (baselen long) implicitly
540 int baselen = x->baselen;
544 if (pathlen < baselen ||
545 (baselen && pathname[baselen-1] != '/') ||
546 strncmp_icase(pathname, x->base, baselen))
549 if (x->flags & EXC_FLAG_NOWILDCARD) {
550 if (!strcmp_icase(exclude, pathname + baselen))
553 if (fnmatch_icase(exclude, pathname+baselen,
560 return -1; /* undecided */
563 int excluded(struct dir_struct *dir, const char *pathname, int *dtype_p)
565 int pathlen = strlen(pathname);
567 const char *basename = strrchr(pathname, '/');
568 basename = (basename) ? basename+1 : pathname;
570 prep_exclude(dir, pathname, basename-pathname);
571 for (st = EXC_CMDL; st <= EXC_FILE; st++) {
572 switch (excluded_from_list(pathname, pathlen, basename,
573 dtype_p, &dir->exclude_list[st])) {
583 void path_exclude_check_init(struct path_exclude_check *check,
584 struct dir_struct *dir)
587 strbuf_init(&check->path, 256);
590 void path_exclude_check_clear(struct path_exclude_check *check)
592 strbuf_release(&check->path);
595 int path_excluded(struct path_exclude_check *check, struct cache_entry *ce)
598 struct strbuf *path = &check->path;
600 strbuf_setlen(path, 0);
601 for (i = 0; ce->name[i]; i++) {
602 int ch = ce->name[i];
606 if (excluded(check->dir, path->buf, &dtype))
609 strbuf_addch(path, ch);
611 dtype = ce_to_dtype(ce);
612 return excluded(check->dir, ce->name, &dtype);
615 static struct dir_entry *dir_entry_new(const char *pathname, int len)
617 struct dir_entry *ent;
619 ent = xmalloc(sizeof(*ent) + len + 1);
621 memcpy(ent->name, pathname, len);
626 static struct dir_entry *dir_add_name(struct dir_struct *dir, const char *pathname, int len)
628 if (cache_name_exists(pathname, len, ignore_case))
631 ALLOC_GROW(dir->entries, dir->nr+1, dir->alloc);
632 return dir->entries[dir->nr++] = dir_entry_new(pathname, len);
635 struct dir_entry *dir_add_ignored(struct dir_struct *dir, const char *pathname, int len)
637 if (!cache_name_is_other(pathname, len))
640 ALLOC_GROW(dir->ignored, dir->ignored_nr+1, dir->ignored_alloc);
641 return dir->ignored[dir->ignored_nr++] = dir_entry_new(pathname, len);
645 index_nonexistent = 0,
651 * Do not use the alphabetically stored index to look up
652 * the directory name; instead, use the case insensitive
655 static enum exist_status directory_exists_in_index_icase(const char *dirname, int len)
657 struct cache_entry *ce = index_name_exists(&the_index, dirname, len + 1, ignore_case);
658 unsigned char endchar;
661 return index_nonexistent;
662 endchar = ce->name[len];
665 * The cache_entry structure returned will contain this dirname
666 * and possibly additional path components.
669 return index_directory;
672 * If there are no additional path components, then this cache_entry
673 * represents a submodule. Submodules, despite being directories,
674 * are stored in the cache without a closing slash.
676 if (!endchar && S_ISGITLINK(ce->ce_mode))
679 /* This should never be hit, but it exists just in case. */
680 return index_nonexistent;
684 * The index sorts alphabetically by entry name, which
685 * means that a gitlink sorts as '\0' at the end, while
686 * a directory (which is defined not as an entry, but as
687 * the files it contains) will sort with the '/' at the
690 static enum exist_status directory_exists_in_index(const char *dirname, int len)
695 return directory_exists_in_index_icase(dirname, len);
697 pos = cache_name_pos(dirname, len);
700 while (pos < active_nr) {
701 struct cache_entry *ce = active_cache[pos++];
702 unsigned char endchar;
704 if (strncmp(ce->name, dirname, len))
706 endchar = ce->name[len];
710 return index_directory;
711 if (!endchar && S_ISGITLINK(ce->ce_mode))
714 return index_nonexistent;
718 * When we find a directory when traversing the filesystem, we
719 * have three distinct cases:
722 * - see it as a directory
725 * and which one we choose depends on a combination of existing
726 * git index contents and the flags passed into the directory
729 * Case 1: If we *already* have entries in the index under that
730 * directory name, we always recurse into the directory to see
733 * Case 2: If we *already* have that directory name as a gitlink,
734 * we always continue to see it as a gitlink, regardless of whether
735 * there is an actual git directory there or not (it might not
736 * be checked out as a subproject!)
738 * Case 3: if we didn't have it in the index previously, we
739 * have a few sub-cases:
741 * (a) if "show_other_directories" is true, we show it as
742 * just a directory, unless "hide_empty_directories" is
743 * also true and the directory is empty, in which case
744 * we just ignore it entirely.
745 * (b) if it looks like a git directory, and we don't have
746 * 'no_gitlinks' set we treat it as a gitlink, and show it
748 * (c) otherwise, we recurse into it.
750 enum directory_treatment {
753 recurse_into_directory
756 static enum directory_treatment treat_directory(struct dir_struct *dir,
757 const char *dirname, int len,
758 const struct path_simplify *simplify)
760 /* The "len-1" is to strip the final '/' */
761 switch (directory_exists_in_index(dirname, len-1)) {
762 case index_directory:
763 return recurse_into_directory;
766 if (dir->flags & DIR_SHOW_OTHER_DIRECTORIES)
767 return ignore_directory;
768 return show_directory;
770 case index_nonexistent:
771 if (dir->flags & DIR_SHOW_OTHER_DIRECTORIES)
773 if (!(dir->flags & DIR_NO_GITLINKS)) {
774 unsigned char sha1[20];
775 if (resolve_gitlink_ref(dirname, "HEAD", sha1) == 0)
776 return show_directory;
778 return recurse_into_directory;
781 /* This is the "show_other_directories" case */
782 if (!(dir->flags & DIR_HIDE_EMPTY_DIRECTORIES))
783 return show_directory;
784 if (!read_directory_recursive(dir, dirname, len, 1, simplify))
785 return ignore_directory;
786 return show_directory;
790 * This is an inexact early pruning of any recursive directory
791 * reading - if the path cannot possibly be in the pathspec,
792 * return true, and we'll skip it early.
794 static int simplify_away(const char *path, int pathlen, const struct path_simplify *simplify)
798 const char *match = simplify->path;
799 int len = simplify->len;
805 if (!memcmp(path, match, len))
815 * This function tells us whether an excluded path matches a
816 * list of "interesting" pathspecs. That is, whether a path matched
817 * by any of the pathspecs could possibly be ignored by excluding
818 * the specified path. This can happen if:
820 * 1. the path is mentioned explicitly in the pathspec
822 * 2. the path is a directory prefix of some element in the
825 static int exclude_matches_pathspec(const char *path, int len,
826 const struct path_simplify *simplify)
829 for (; simplify->path; simplify++) {
830 if (len == simplify->len
831 && !memcmp(path, simplify->path, len))
833 if (len < simplify->len
834 && simplify->path[len] == '/'
835 && !memcmp(path, simplify->path, len))
842 static int get_index_dtype(const char *path, int len)
845 struct cache_entry *ce;
847 ce = cache_name_exists(path, len, 0);
849 if (!ce_uptodate(ce))
851 if (S_ISGITLINK(ce->ce_mode))
854 * Nobody actually cares about the
855 * difference between DT_LNK and DT_REG
860 /* Try to look it up as a directory */
861 pos = cache_name_pos(path, len);
865 while (pos < active_nr) {
866 ce = active_cache[pos++];
867 if (strncmp(ce->name, path, len))
869 if (ce->name[len] > '/')
871 if (ce->name[len] < '/')
873 if (!ce_uptodate(ce))
874 break; /* continue? */
880 static int get_dtype(struct dirent *de, const char *path, int len)
882 int dtype = de ? DTYPE(de) : DT_UNKNOWN;
885 if (dtype != DT_UNKNOWN)
887 dtype = get_index_dtype(path, len);
888 if (dtype != DT_UNKNOWN)
890 if (lstat(path, &st))
892 if (S_ISREG(st.st_mode))
894 if (S_ISDIR(st.st_mode))
896 if (S_ISLNK(st.st_mode))
901 enum path_treatment {
907 static enum path_treatment treat_one_path(struct dir_struct *dir,
908 char *path, int *len,
909 const struct path_simplify *simplify,
910 int dtype, struct dirent *de)
912 int exclude = excluded(dir, path, &dtype);
913 if (exclude && (dir->flags & DIR_COLLECT_IGNORED)
914 && exclude_matches_pathspec(path, *len, simplify))
915 dir_add_ignored(dir, path, *len);
918 * Excluded? If we don't explicitly want to show
919 * ignored files, ignore it
921 if (exclude && !(dir->flags & DIR_SHOW_IGNORED))
924 if (dtype == DT_UNKNOWN)
925 dtype = get_dtype(de, path, *len);
928 * Do we want to see just the ignored files?
929 * We still need to recurse into directories,
930 * even if we don't ignore them, since the
931 * directory may contain files that we do..
933 if (!exclude && (dir->flags & DIR_SHOW_IGNORED)) {
942 memcpy(path + *len, "/", 2);
944 switch (treat_directory(dir, path, *len, simplify)) {
946 if (exclude != !!(dir->flags
950 case recurse_into_directory:
952 case ignore_directory:
963 static enum path_treatment treat_path(struct dir_struct *dir,
965 char *path, int path_max,
967 const struct path_simplify *simplify,
972 if (is_dot_or_dotdot(de->d_name) || !strcmp(de->d_name, ".git"))
974 *len = strlen(de->d_name);
975 /* Ignore overly long pathnames! */
976 if (*len + baselen + 8 > path_max)
978 memcpy(path + baselen, de->d_name, *len + 1);
980 if (simplify_away(path, *len, simplify))
984 return treat_one_path(dir, path, len, simplify, dtype, de);
988 * Read a directory tree. We currently ignore anything but
989 * directories, regular files and symlinks. That's because git
990 * doesn't handle them at all yet. Maybe that will change some
993 * Also, we ignore the name ".git" (even if it is not a directory).
994 * That likely will not change.
996 static int read_directory_recursive(struct dir_struct *dir,
997 const char *base, int baselen,
999 const struct path_simplify *simplify)
1001 DIR *fdir = opendir(*base ? base : ".");
1004 char path[PATH_MAX + 1];
1009 memcpy(path, base, baselen);
1011 while ((de = readdir(fdir)) != NULL) {
1013 switch (treat_path(dir, de, path, sizeof(path),
1014 baselen, simplify, &len)) {
1016 contents += read_directory_recursive(dir, path, len, 0, simplify);
1027 dir_add_name(dir, path, len);
1035 static int cmp_name(const void *p1, const void *p2)
1037 const struct dir_entry *e1 = *(const struct dir_entry **)p1;
1038 const struct dir_entry *e2 = *(const struct dir_entry **)p2;
1040 return cache_name_compare(e1->name, e1->len,
1045 * Return the length of the "simple" part of a path match limiter.
1047 static int simple_length(const char *match)
1052 unsigned char c = *match++;
1054 if (c == '\0' || is_glob_special(c))
1059 static struct path_simplify *create_simplify(const char **pathspec)
1062 struct path_simplify *simplify = NULL;
1067 for (nr = 0 ; ; nr++) {
1070 alloc = alloc_nr(alloc);
1071 simplify = xrealloc(simplify, alloc * sizeof(*simplify));
1073 match = *pathspec++;
1076 simplify[nr].path = match;
1077 simplify[nr].len = simple_length(match);
1079 simplify[nr].path = NULL;
1080 simplify[nr].len = 0;
1084 static void free_simplify(struct path_simplify *simplify)
1089 static int treat_leading_path(struct dir_struct *dir,
1090 const char *path, int len,
1091 const struct path_simplify *simplify)
1093 char pathbuf[PATH_MAX];
1097 while (len && path[len - 1] == '/')
1103 cp = path + baselen + !!baselen;
1104 cp = memchr(cp, '/', path + len - cp);
1108 baselen = cp - path;
1109 memcpy(pathbuf, path, baselen);
1110 pathbuf[baselen] = '\0';
1111 if (!is_directory(pathbuf))
1113 if (simplify_away(pathbuf, baselen, simplify))
1116 if (treat_one_path(dir, pathbuf, &blen, simplify,
1117 DT_DIR, NULL) == path_ignored)
1118 return 0; /* do not recurse into it */
1120 return 1; /* finished checking */
1124 int read_directory(struct dir_struct *dir, const char *path, int len, const char **pathspec)
1126 struct path_simplify *simplify;
1128 if (has_symlink_leading_path(path, len))
1131 simplify = create_simplify(pathspec);
1132 if (!len || treat_leading_path(dir, path, len, simplify))
1133 read_directory_recursive(dir, path, len, 0, simplify);
1134 free_simplify(simplify);
1135 qsort(dir->entries, dir->nr, sizeof(struct dir_entry *), cmp_name);
1136 qsort(dir->ignored, dir->ignored_nr, sizeof(struct dir_entry *), cmp_name);
1140 int file_exists(const char *f)
1143 return lstat(f, &sb) == 0;
1147 * Given two normalized paths (a trailing slash is ok), if subdir is
1148 * outside dir, return -1. Otherwise return the offset in subdir that
1149 * can be used as relative path to dir.
1151 int dir_inside_of(const char *subdir, const char *dir)
1155 assert(dir && subdir && *dir && *subdir);
1157 while (*dir && *subdir && *dir == *subdir) {
1163 /* hel[p]/me vs hel[l]/yeah */
1164 if (*dir && *subdir)
1168 return !*dir ? offset : -1; /* same dir */
1170 /* foo/[b]ar vs foo/[] */
1171 if (is_dir_sep(dir[-1]))
1172 return is_dir_sep(subdir[-1]) ? offset : -1;
1174 /* foo[/]bar vs foo[] */
1175 return is_dir_sep(*subdir) ? offset + 1 : -1;
1178 int is_inside_dir(const char *dir)
1183 if (!getcwd(cwd, sizeof(cwd)))
1184 die_errno("can't find the current directory");
1185 return dir_inside_of(cwd, dir) >= 0;
1188 int is_empty_dir(const char *path)
1190 DIR *dir = opendir(path);
1197 while ((e = readdir(dir)) != NULL)
1198 if (!is_dot_or_dotdot(e->d_name)) {
1207 int remove_dir_recursively(struct strbuf *path, int flag)
1211 int ret = 0, original_len = path->len, len;
1212 int only_empty = (flag & REMOVE_DIR_EMPTY_ONLY);
1213 unsigned char submodule_head[20];
1215 if ((flag & REMOVE_DIR_KEEP_NESTED_GIT) &&
1216 !resolve_gitlink_ref(path->buf, "HEAD", submodule_head))
1217 /* Do not descend and nuke a nested git work tree. */
1220 dir = opendir(path->buf);
1222 return rmdir(path->buf);
1223 if (path->buf[original_len - 1] != '/')
1224 strbuf_addch(path, '/');
1227 while ((e = readdir(dir)) != NULL) {
1229 if (is_dot_or_dotdot(e->d_name))
1232 strbuf_setlen(path, len);
1233 strbuf_addstr(path, e->d_name);
1234 if (lstat(path->buf, &st))
1236 else if (S_ISDIR(st.st_mode)) {
1237 if (!remove_dir_recursively(path, only_empty))
1238 continue; /* happy */
1239 } else if (!only_empty && !unlink(path->buf))
1240 continue; /* happy, too */
1242 /* path too long, stat fails, or non-directory still exists */
1248 strbuf_setlen(path, original_len);
1250 ret = rmdir(path->buf);
1254 void setup_standard_excludes(struct dir_struct *dir)
1258 dir->exclude_per_dir = ".gitignore";
1259 path = git_path("info/exclude");
1260 if (!access(path, R_OK))
1261 add_excludes_from_file(dir, path);
1262 if (excludes_file && !access(excludes_file, R_OK))
1263 add_excludes_from_file(dir, excludes_file);
1266 int remove_path(const char *name)
1270 if (unlink(name) && errno != ENOENT)
1273 slash = strrchr(name, '/');
1275 char *dirs = xstrdup(name);
1276 slash = dirs + (slash - name);
1279 } while (rmdir(dirs) == 0 && (slash = strrchr(dirs, '/')));
1285 static int pathspec_item_cmp(const void *a_, const void *b_)
1287 struct pathspec_item *a, *b;
1289 a = (struct pathspec_item *)a_;
1290 b = (struct pathspec_item *)b_;
1291 return strcmp(a->match, b->match);
1294 int init_pathspec(struct pathspec *pathspec, const char **paths)
1296 const char **p = paths;
1299 memset(pathspec, 0, sizeof(*pathspec));
1304 pathspec->raw = paths;
1305 pathspec->nr = p - paths;
1309 pathspec->items = xmalloc(sizeof(struct pathspec_item)*pathspec->nr);
1310 for (i = 0; i < pathspec->nr; i++) {
1311 struct pathspec_item *item = pathspec->items+i;
1312 const char *path = paths[i];
1315 item->len = strlen(path);
1316 item->use_wildcard = !no_wildcard(path);
1317 if (item->use_wildcard)
1318 pathspec->has_wildcard = 1;
1321 qsort(pathspec->items, pathspec->nr,
1322 sizeof(struct pathspec_item), pathspec_item_cmp);
1327 void free_pathspec(struct pathspec *pathspec)
1329 free(pathspec->items);
1330 pathspec->items = NULL;