diff options
Diffstat (limited to 'dir.c')
| -rw-r--r-- | dir.c | 76 |
1 files changed, 52 insertions, 24 deletions
@@ -31,22 +31,22 @@ static int common_prefix(const char **pathspec) if (!slash) return 0; + /* + * The first 'prefix' characters of 'path' are common leading + * path components among the pathspecs we have seen so far, + * including the trailing slash. + */ prefix = slash - path + 1; while ((next = *++pathspec) != NULL) { - int len = strlen(next); - if (len >= prefix && !memcmp(path, next, prefix)) + int len, last_matching_slash = -1; + for (len = 0; len < prefix && next[len] == path[len]; len++) + if (next[len] == '/') + last_matching_slash = len; + if (len == prefix) continue; - len = prefix - 1; - for (;;) { - if (!len) - return 0; - if (next[--len] != '/') - continue; - if (memcmp(path, next, len+1)) - continue; - prefix = len + 1; - break; - } + if (last_matching_slash < 0) + return 0; + prefix = last_matching_slash + 1; } return prefix; } @@ -232,7 +232,7 @@ int add_excludes_from_file_to_list(const char *fname, { struct stat st; int fd, i; - size_t size; + size_t size = 0; char *buf, *entry; fd = open(fname, O_RDONLY); @@ -360,7 +360,8 @@ int excluded_from_list(const char *pathname, if (x->flags & EXC_FLAG_MUSTBEDIR) { if (!dtype) { - if (!prefixcmp(pathname, exclude)) + if (!prefixcmp(pathname, exclude) && + pathname[x->patternlen] == '/') return to_exclude; else continue; @@ -453,7 +454,7 @@ static struct dir_entry *dir_add_name(struct dir_struct *dir, const char *pathna return dir->entries[dir->nr++] = dir_entry_new(pathname, len); } -static struct dir_entry *dir_add_ignored(struct dir_struct *dir, const char *pathname, int len) +struct dir_entry *dir_add_ignored(struct dir_struct *dir, const char *pathname, int len) { if (!cache_name_is_other(pathname, len)) return NULL; @@ -465,7 +466,7 @@ static struct dir_entry *dir_add_ignored(struct dir_struct *dir, const char *pat enum exist_status { index_nonexistent = 0, index_directory, - index_gitdir, + index_gitdir }; /* @@ -533,7 +534,7 @@ static enum exist_status directory_exists_in_index(const char *dirname, int len) enum directory_treatment { show_directory, ignore_directory, - recurse_into_directory, + recurse_into_directory }; static enum directory_treatment treat_directory(struct dir_struct *dir, @@ -594,13 +595,29 @@ static int simplify_away(const char *path, int pathlen, const struct path_simpli return 0; } -static int in_pathspec(const char *path, int len, const struct path_simplify *simplify) +/* + * This function tells us whether an excluded path matches a + * list of "interesting" pathspecs. That is, whether a path matched + * by any of the pathspecs could possibly be ignored by excluding + * the specified path. This can happen if: + * + * 1. the path is mentioned explicitly in the pathspec + * + * 2. the path is a directory prefix of some element in the + * pathspec + */ +static int exclude_matches_pathspec(const char *path, int len, + const struct path_simplify *simplify) { if (simplify) { for (; simplify->path; simplify++) { if (len == simplify->len && !memcmp(path, simplify->path, len)) return 1; + if (len < simplify->len + && simplify->path[len] == '/' + && !memcmp(path, simplify->path, len)) + return 1; } } return 0; @@ -668,7 +685,7 @@ static int get_dtype(struct dirent *de, const char *path, int len) enum path_treatment { path_ignored, path_handled, - path_recurse, + path_recurse }; static enum path_treatment treat_one_path(struct dir_struct *dir, @@ -678,7 +695,7 @@ static enum path_treatment treat_one_path(struct dir_struct *dir, { int exclude = excluded(dir, path, &dtype); if (exclude && (dir->flags & DIR_COLLECT_IGNORED) - && in_pathspec(path, *len, simplify)) + && exclude_matches_pathspec(path, *len, simplify)) dir_add_ignored(dir, path, *len); /* @@ -942,9 +959,20 @@ char *get_relative_cwd(char *buffer, int size, const char *dir) } if (*dir) return NULL; - if (*cwd == '/') + switch (*cwd) { + case '\0': + return cwd; + case '/': return cwd + 1; - return cwd; + default: + /* + * dir can end with a path separator when it's root + * directory. Return proper prefix in that case. + */ + if (dir[-1] == '/') + return cwd; + return NULL; + } } int is_inside_dir(const char *dir) @@ -1044,7 +1072,7 @@ int remove_path(const char *name) slash = dirs + (slash - name); do { *slash = '\0'; - } while (rmdir(dirs) && (slash = strrchr(dirs, '/'))); + } while (rmdir(dirs) == 0 && (slash = strrchr(dirs, '/'))); free(dirs); } return 0; |