$ git clone -n https://gitee.com/src-opencloudos-rpms/cronie.git /var/lib/mock/dist-oc8-build-74587-50796/root/chroot_tmpdir/scmroot/cronie
Cloning into '/var/lib/mock/dist-oc8-build-74587-50796/root/chroot_tmpdir/scmroot/cronie'...
$ git fetch origin 3f21b7b1d011284d47f1f7003b263b1fe9b7a7fc:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/cronie
 * [new ref]         3f21b7b1d011284d47f1f7003b263b1fe9b7a7fc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3f21b7b import cronie-1.5.2-10.tl3