$ git clone -n https://gitee.com/opencloudos-stream/systemd.git /var/lib/mock/dist-ocs23-rebuild-test-0-build-298649-29248/root/chroot_tmpdir/scmroot/systemd
Cloning into '/var/lib/mock/dist-ocs23-rebuild-test-0-build-298649-29248/root/chroot_tmpdir/scmroot/systemd'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/systemd
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fb743eb !18 Check valgrind_arches and add valgrind-devel to BuildRequires if matched Merge pull request !18 from jackzhao166/master