diff options
Diffstat (limited to 'dir.c')
| -rw-r--r-- | dir.c | 199 |
1 files changed, 135 insertions, 64 deletions
@@ -655,6 +655,92 @@ static int get_dtype(struct dirent *de, const char *path, int len) return dtype; } +enum path_treatment { + path_ignored, + path_handled, + path_recurse, +}; + +static enum path_treatment treat_one_path(struct dir_struct *dir, + char *path, int *len, + const struct path_simplify *simplify, + int dtype, struct dirent *de) +{ + int exclude = excluded(dir, path, &dtype); + if (exclude && (dir->flags & DIR_COLLECT_IGNORED) + && in_pathspec(path, *len, simplify)) + dir_add_ignored(dir, path, *len); + + /* + * Excluded? If we don't explicitly want to show + * ignored files, ignore it + */ + if (exclude && !(dir->flags & DIR_SHOW_IGNORED)) + return path_ignored; + + if (dtype == DT_UNKNOWN) + dtype = get_dtype(de, path, *len); + + /* + * Do we want to see just the ignored files? + * We still need to recurse into directories, + * even if we don't ignore them, since the + * directory may contain files that we do.. + */ + if (!exclude && (dir->flags & DIR_SHOW_IGNORED)) { + if (dtype != DT_DIR) + return path_ignored; + } + + switch (dtype) { + default: + return path_ignored; + case DT_DIR: + memcpy(path + *len, "/", 2); + (*len)++; + switch (treat_directory(dir, path, *len, simplify)) { + case show_directory: + if (exclude != !!(dir->flags + & DIR_SHOW_IGNORED)) + return path_ignored; + break; + case recurse_into_directory: + return path_recurse; + case ignore_directory: + return path_ignored; + } + break; + case DT_REG: + case DT_LNK: + break; + } + return path_handled; +} + +static enum path_treatment treat_path(struct dir_struct *dir, + struct dirent *de, + char *path, int path_max, + int baselen, + const struct path_simplify *simplify, + int *len) +{ + int dtype; + + if (is_dot_or_dotdot(de->d_name) || !strcmp(de->d_name, ".git")) + return path_ignored; + *len = strlen(de->d_name); + /* Ignore overly long pathnames! */ + if (*len + baselen + 8 > path_max) + return path_ignored; + memcpy(path + baselen, de->d_name, *len + 1); + *len += baselen; + if (simplify_away(path, *len, simplify)) + return path_ignored; + + dtype = DTYPE(de); + return treat_one_path(dir, path, len, simplify, dtype, de); +} + /* * Read a directory tree. We currently ignore anything but * directories, regular files and symlinks. That's because git @@ -664,7 +750,10 @@ static int get_dtype(struct dirent *de, const char *path, int len) * Also, we ignore the name ".git" (even if it is not a directory). * That likely will not change. */ -static int read_directory_recursive(struct dir_struct *dir, const char *base, int baselen, int check_only, const struct path_simplify *simplify) +static int read_directory_recursive(struct dir_struct *dir, + const char *base, int baselen, + int check_only, + const struct path_simplify *simplify) { DIR *fdir = opendir(*base ? base : "."); int contents = 0; @@ -675,70 +764,16 @@ static int read_directory_recursive(struct dir_struct *dir, const char *base, in memcpy(path, base, baselen); while ((de = readdir(fdir)) != NULL) { - int len, dtype; - int exclude; - - if (is_dot_or_dotdot(de->d_name) || - !strcmp(de->d_name, ".git")) - continue; - len = strlen(de->d_name); - /* Ignore overly long pathnames! */ - if (len + baselen + 8 > sizeof(path)) - continue; - memcpy(path + baselen, de->d_name, len+1); - len = baselen + len; - if (simplify_away(path, len, simplify)) + int len; + switch (treat_path(dir, de, path, sizeof(path), + baselen, simplify, &len)) { + case path_recurse: + contents += read_directory_recursive + (dir, path, len, 0, simplify); continue; - - dtype = DTYPE(de); - exclude = excluded(dir, path, &dtype); - if (exclude && (dir->flags & DIR_COLLECT_IGNORED) - && in_pathspec(path, len, simplify)) - dir_add_ignored(dir, path,len); - - /* - * Excluded? If we don't explicitly want to show - * ignored files, ignore it - */ - if (exclude && !(dir->flags & DIR_SHOW_IGNORED)) + case path_ignored: continue; - - if (dtype == DT_UNKNOWN) - dtype = get_dtype(de, path, len); - - /* - * Do we want to see just the ignored files? - * We still need to recurse into directories, - * even if we don't ignore them, since the - * directory may contain files that we do.. - */ - if (!exclude && (dir->flags & DIR_SHOW_IGNORED)) { - if (dtype != DT_DIR) - continue; - } - - switch (dtype) { - default: - continue; - case DT_DIR: - memcpy(path + len, "/", 2); - len++; - switch (treat_directory(dir, path, len, simplify)) { - case show_directory: - if (exclude != !!(dir->flags - & DIR_SHOW_IGNORED)) - continue; - break; - case recurse_into_directory: - contents += read_directory_recursive(dir, - path, len, 0, simplify); - continue; - case ignore_directory: - continue; - } - break; - case DT_REG: - case DT_LNK: + case path_handled: break; } contents++; @@ -808,6 +843,41 @@ static void free_simplify(struct path_simplify *simplify) free(simplify); } +static int treat_leading_path(struct dir_struct *dir, + const char *path, int len, + const struct path_simplify *simplify) +{ + char pathbuf[PATH_MAX]; + int baselen, blen; + const char *cp; + + while (len && path[len - 1] == '/') + len--; + if (!len) + return 1; + baselen = 0; + while (1) { + cp = path + baselen + !!baselen; + cp = memchr(cp, '/', path + len - cp); + if (!cp) + baselen = len; + else + baselen = cp - path; + memcpy(pathbuf, path, baselen); + pathbuf[baselen] = '\0'; + if (!is_directory(pathbuf)) + return 0; + if (simplify_away(pathbuf, baselen, simplify)) + return 0; + blen = baselen; + if (treat_one_path(dir, pathbuf, &blen, simplify, + DT_DIR, NULL) == path_ignored) + return 0; /* do not recurse into it */ + if (len <= baselen) + return 1; /* finished checking */ + } +} + int read_directory(struct dir_struct *dir, const char *path, int len, const char **pathspec) { struct path_simplify *simplify; @@ -816,7 +886,8 @@ int read_directory(struct dir_struct *dir, const char *path, int len, const char return dir->nr; simplify = create_simplify(pathspec); - read_directory_recursive(dir, path, len, 0, simplify); + if (!len || treat_leading_path(dir, path, len, simplify)) + read_directory_recursive(dir, path, len, 0, simplify); free_simplify(simplify); qsort(dir->entries, dir->nr, sizeof(struct dir_entry *), cmp_name); qsort(dir->ignored, dir->ignored_nr, sizeof(struct dir_entry *), cmp_name); |