Function remove_dirs

builtin/clean.c:163–292

}

static int remove_dirs(struct strbuf *path, const char *prefix, int force_flag,
		int dry_run, int quiet, int *dir_gone)
{
	DIR *dir;
	struct strbuf quoted = STRBUF_INIT;
	struct strbuf realpath = STRBUF_INIT;
	struct strbuf real_ocwd = STRBUF_INIT;
	struct dirent *e;
	int res = 0, ret = 0, gone = 1, original_len = path->len, len;
	struct string_list dels = STRING_LIST_INIT_DUP;

	*dir_gone = 1;

	if ((force_flag & REMOVE_DIR_KEEP_NESTED_GIT) &&
	    is_nonbare_repository_dir(path)) {
		if (!quiet) {
			quote_path(path->buf, prefix, &quoted, 0);
			printf(dry_run ?  _(msg_would_skip_git_dir) : _(msg_skip_git_dir),
					quoted.buf);
		}

		*dir_gone = 0;
		goto out;
	}

	dir = opendir(path->buf);
	if (!dir) {
		/* an empty dir could be removed even if it is unreadble */
		res = dry_run ? 0 : rmdir(path->buf);
		if (res) {
			int saved_errno = errno;
			quote_path(path->buf, prefix, &quoted, 0);
			errno = saved_errno;
			warning_errno(_(msg_warn_remove_failed), quoted.buf);
			*dir_gone = 0;
		}
		ret = res;
		goto out;
	}

	strbuf_complete(path, '/');

	len = path->len;
	while ((e = readdir_skip_dot_and_dotdot(dir)) != NULL) {
		struct stat st;

		strbuf_setlen(path, len);
		strbuf_addstr(path, e->d_name);
		if (lstat(path->buf, &st))
			warning_errno(_(msg_warn_lstat_failed), path->buf);
		else if (S_ISDIR(st.st_mode)) {
			if (remove_dirs(path, prefix, force_flag, dry_run, quiet, &gone))
				ret = 1;
			if (gone) {
				quote_path(path->buf, prefix, &quoted, 0);
				string_list_append(&dels, quoted.buf);
			} else
				*dir_gone = 0;