$ git clone -n https://gitee.com/src-opencloudos-rpms/systemd.git /var/lib/mock/dist-oc9-build-72764-48211/root/chroot_tmpdir/scmroot/systemd
Cloning into '/var/lib/mock/dist-oc9-build-72764-48211/root/chroot_tmpdir/scmroot/systemd'...
$ git fetch origin 17ea44f1afb6fafe15fbdd7045c4f7841345bc73:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/systemd
 * [new ref]         17ea44f1afb6fafe15fbdd7045c4f7841345bc73 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 17ea44f Add auto-patch changlog