$ git clone -n https://gitee.com/src-opencloudos-rpms/systemd.git /var/lib/mock/dist-oc9-build-67827-46582/root/chroot_tmpdir/scmroot/systemd
Cloning into '/var/lib/mock/dist-oc9-build-67827-46582/root/chroot_tmpdir/scmroot/systemd'...
$ git fetch origin 74c0193431e34d496a4b081ffc958e3daa6d8c30:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/systemd
 * [new ref]         74c0193431e34d496a4b081ffc958e3daa6d8c30 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 74c0193 Add auto-patch changlog