diff options
Diffstat (limited to 'dir.c')
-rw-r--r-- | dir.c | 175 |
1 files changed, 130 insertions, 45 deletions
@@ -18,6 +18,22 @@ static int read_directory_recursive(struct dir_struct *dir, const char *path, in int check_only, const struct path_simplify *simplify); static int get_dtype(struct dirent *de, const char *path, int len); +/* helper string functions with support for the ignore_case flag */ +int strcmp_icase(const char *a, const char *b) +{ + return ignore_case ? strcasecmp(a, b) : strcmp(a, b); +} + +int strncmp_icase(const char *a, const char *b, size_t count) +{ + return ignore_case ? strncasecmp(a, b, count) : strncmp(a, b, count); +} + +int fnmatch_icase(const char *pattern, const char *string, int flags) +{ + return fnmatch(pattern, string, flags | (ignore_case ? FNM_CASEFOLD : 0)); +} + static int common_prefix(const char **pathspec) { const char *path, *slash, *next; @@ -31,22 +47,22 @@ 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; } @@ -91,16 +107,30 @@ static int match_one(const char *match, const char *name, int namelen) if (!*match) return MATCHED_RECURSIVELY; - for (;;) { - unsigned char c1 = *match; - unsigned char c2 = *name; - if (c1 == '\0' || is_glob_special(c1)) - break; - if (c1 != c2) - return 0; - match++; - name++; - namelen--; + if (ignore_case) { + for (;;) { + unsigned char c1 = tolower(*match); + unsigned char c2 = tolower(*name); + if (c1 == '\0' || is_glob_special(c1)) + break; + if (c1 != c2) + return 0; + match++; + name++; + namelen--; + } + } else { + for (;;) { + unsigned char c1 = *match; + unsigned char c2 = *name; + if (c1 == '\0' || is_glob_special(c1)) + break; + if (c1 != c2) + return 0; + match++; + name++; + namelen--; + } } @@ -109,8 +139,8 @@ static int match_one(const char *match, const char *name, int namelen) * we need to match by fnmatch */ matchlen = strlen(match); - if (strncmp(match, name, matchlen)) - return !fnmatch(match, name, 0) ? MATCHED_FNMATCH : 0; + if (strncmp_icase(match, name, matchlen)) + return !fnmatch_icase(match, name, 0) ? MATCHED_FNMATCH : 0; if (namelen == matchlen) return MATCHED_EXACTLY; @@ -223,6 +253,18 @@ static void *read_skip_worktree_file_from_index(const char *path, size_t *size) return data; } +void free_excludes(struct exclude_list *el) +{ + int i; + + for (i = 0; i < el->nr; i++) + free(el->excludes[i]); + free(el->excludes); + + el->nr = 0; + el->excludes = NULL; +} + int add_excludes_from_file_to_list(const char *fname, const char *base, int baselen, @@ -232,7 +274,7 @@ 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); @@ -359,12 +401,6 @@ int excluded_from_list(const char *pathname, int to_exclude = x->to_exclude; if (x->flags & EXC_FLAG_MUSTBEDIR) { - if (!dtype) { - if (!prefixcmp(pathname, exclude)) - return to_exclude; - else - continue; - } if (*dtype == DT_UNKNOWN) *dtype = get_dtype(NULL, pathname, pathlen); if (*dtype != DT_DIR) @@ -374,14 +410,14 @@ int excluded_from_list(const char *pathname, if (x->flags & EXC_FLAG_NODIR) { /* match basename */ if (x->flags & EXC_FLAG_NOWILDCARD) { - if (!strcmp(exclude, basename)) + if (!strcmp_icase(exclude, basename)) return to_exclude; } else if (x->flags & EXC_FLAG_ENDSWITH) { if (x->patternlen - 1 <= pathlen && - !strcmp(exclude + 1, pathname + pathlen - x->patternlen + 1)) + !strcmp_icase(exclude + 1, pathname + pathlen - x->patternlen + 1)) return to_exclude; } else { - if (fnmatch(exclude, basename, 0) == 0) + if (fnmatch_icase(exclude, basename, 0) == 0) return to_exclude; } } @@ -396,14 +432,14 @@ int excluded_from_list(const char *pathname, if (pathlen < baselen || (baselen && pathname[baselen-1] != '/') || - strncmp(pathname, x->base, baselen)) + strncmp_icase(pathname, x->base, baselen)) continue; if (x->flags & EXC_FLAG_NOWILDCARD) { - if (!strcmp(exclude, pathname + baselen)) + if (!strcmp_icase(exclude, pathname + baselen)) return to_exclude; } else { - if (fnmatch(exclude, pathname+baselen, + if (fnmatch_icase(exclude, pathname+baselen, FNM_PATHNAME) == 0) return to_exclude; } @@ -453,7 +489,7 @@ 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; @@ -465,10 +501,43 @@ 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 }; /* + * Do not use the alphabetically stored index to look up + * the directory name; instead, use the case insensitive + * name hash. + */ +static enum exist_status directory_exists_in_index_icase(const char *dirname, int len) +{ + struct cache_entry *ce = index_name_exists(&the_index, dirname, len + 1, ignore_case); + unsigned char endchar; + + if (!ce) + return index_nonexistent; + endchar = ce->name[len]; + + /* + * The cache_entry structure returned will contain this dirname + * and possibly additional path components. + */ + if (endchar == '/') + return index_directory; + + /* + * If there are no additional path components, then this cache_entry + * represents a submodule. Submodules, despite being directories, + * are stored in the cache without a closing slash. + */ + if (!endchar && S_ISGITLINK(ce->ce_mode)) + return index_gitdir; + + /* This should never be hit, but it exists just in case. */ + return index_nonexistent; +} + +/* * The index sorts alphabetically by entry name, which * means that a gitlink sorts as '\0' at the end, while * a directory (which is defined not as an entry, but as @@ -477,7 +546,12 @@ enum exist_status { */ static enum exist_status directory_exists_in_index(const char *dirname, int len) { - int pos = cache_name_pos(dirname, len); + int pos; + + if (ignore_case) + return directory_exists_in_index_icase(dirname, len); + + pos = cache_name_pos(dirname, len); if (pos < 0) pos = -pos-1; while (pos < active_nr) { @@ -533,7 +607,7 @@ 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, @@ -684,7 +758,7 @@ 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, @@ -958,9 +1032,20 @@ 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) |