$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-YAML-Syck.git /var/lib/mock/dist-oc8-build-249474-83845/root/chroot_tmpdir/scmroot/perl-YAML-Syck
Cloning into '/var/lib/mock/dist-oc8-build-249474-83845/root/chroot_tmpdir/scmroot/perl-YAML-Syck'...
$ git fetch origin b0a66abaf76abaa63ce49119649d58bcf25301b1:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl-YAML-Syck
 * [new ref]         b0a66abaf76abaa63ce49119649d58bcf25301b1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b0a66ab import perl-YAML-Syck-1.30-7.tl3