Function determine_protocol_version_server

protocol.c:49–83

}

enum protocol_version determine_protocol_version_server(void)
{
	const char *git_protocol = getenv(GIT_PROTOCOL_ENVIRONMENT);
	enum protocol_version version = protocol_v0;

	/*
	 * Determine which protocol version the client has requested.  Since
	 * multiple 'version' keys can be sent by the client, indicating that
	 * the client is okay to speak any of them, select the greatest version
	 * that the client has requested.  This is due to the assumption that
	 * the most recent protocol version will be the most state-of-the-art.
	 */
	if (git_protocol) {
		struct string_list list = STRING_LIST_INIT_DUP;
		const struct string_list_item *item;
		string_list_split(&list, git_protocol, ":", -1);

		for_each_string_list_item(item, &list) {
			const char *value;
			enum protocol_version v;

			if (skip_prefix(item->string, "version=", &value)) {
				v = parse_protocol_version(value);
				if (v > version)
					version = v;
			}
		}

		string_list_clear(&list, 0);
	}

	trace2_data_intmax("transfer", NULL, "negotiated-version", version);

	return version;
}

enum protocol_version determine_protocol_version_client(const char *server_response)
{