$ git clone -n https://gitee.com/src-opencloudos-rpms/raptor2.git /var/lib/mock/dist-oc9-build-176274-80002/root/chroot_tmpdir/scmroot/raptor2
Cloning into '/var/lib/mock/dist-oc9-build-176274-80002/root/chroot_tmpdir/scmroot/raptor2'...
$ git fetch origin 355fd661d5ee97108becd1068e93aead0021e573:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/raptor2
 * [new ref]         355fd661d5ee97108becd1068e93aead0021e573 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 355fd66 import raptor2-2.0.15-14.tl4