$ git clone -n https://gitee.com/src-opencloudos-rpms/systemd.git /var/lib/mock/dist-oc8-build-235436-82134/root/chroot_tmpdir/scmroot/systemd
Cloning into '/var/lib/mock/dist-oc8-build-235436-82134/root/chroot_tmpdir/scmroot/systemd'...
$ git fetch origin fe2f44fce2e6c48ef531bda6bab369d7444e3e26:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/systemd
 * [new ref]         fe2f44fce2e6c48ef531bda6bab369d7444e3e26 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fe2f44f import systemd-239-82.tl3.15.ap.1