Function handle_path_include

config.c:142–191

"	%s\n"
"This might be due to circular includes.");
static int handle_path_include(const struct key_value_info *kvi,
			       const char *path,
			       struct config_include_data *inc)
{
	int ret = 0;
	struct strbuf buf = STRBUF_INIT;
	char *expanded;

	if (!path)
		return config_error_nonbool("include.path");

	expanded = interpolate_path(path, 0);
	if (!expanded)
		return error(_("could not expand include path '%s'"), path);
	path = expanded;

	/*
	 * Use an absolute path as-is, but interpret relative paths
	 * based on the including config file.
	 */
	if (!is_absolute_path(path)) {
		const char *slash;

		if (!kvi || kvi->origin_type != CONFIG_ORIGIN_FILE) {
			ret = error(_("relative config includes must come from files"));
			goto cleanup;
		}

		slash = find_last_dir_sep(kvi->filename);
		if (slash)
			strbuf_add(&buf, kvi->filename, slash - kvi->filename + 1);
		strbuf_addstr(&buf, path);
		path = buf.buf;
	}

	if (!access_or_die(path, R_OK, 0)) {
		if (++inc->depth > MAX_INCLUDE_DEPTH)
			die(_(include_depth_advice), MAX_INCLUDE_DEPTH, path,
			    !kvi ? "<unknown>" :
			    kvi->filename ? kvi->filename :
			    "the command line");
		ret = git_config_from_file_with_options(git_config_include, path, inc,
							kvi->scope, NULL);
		inc->depth--;
	}
cleanup:
	strbuf_release(&buf);
	free(expanded);
	return ret;
}

static void add_trailing_starstar_for_dir(struct strbuf *pat)
{