$ git clone -n https://gitee.com/src-opencloudos-rpms/systemd.git /var/lib/mock/dist-oc9-build-228993-81268/root/chroot_tmpdir/scmroot/systemd
Cloning into '/var/lib/mock/dist-oc9-build-228993-81268/root/chroot_tmpdir/scmroot/systemd'...
$ git fetch origin 60c1124f8cc3a3440ad84db7074375553ba143ac:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/systemd
 * [new ref]         60c1124f8cc3a3440ad84db7074375553ba143ac -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 60c1124 import systemd-255-14.tl4.ap.5