$ git clone -n https://gitee.com/src-opencloudos-rpms/sac.git /var/lib/mock/dist-oc8-build-254672-84448/root/chroot_tmpdir/scmroot/sac
Cloning into '/var/lib/mock/dist-oc8-build-254672-84448/root/chroot_tmpdir/scmroot/sac'...
$ git fetch origin 43cca68d98fa9c253f471c2e7769b7ebfd2af8dc:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/sac
 * [new ref]         43cca68d98fa9c253f471c2e7769b7ebfd2af8dc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 43cca68 import sac-1.3-29.tl3