$ git clone -n https://github.com/xcp-ng-rpms/sm.git /var/lib/mock/v8.3-v-linstor-testing-9845-28561/root/chroot_tmpdir/scmroot/sm
Cloning into '/var/lib/mock/v8.3-v-linstor-testing-9845-28561/root/chroot_tmpdir/scmroot/sm'...
$ git fetch origin ec535a47ec2676b27419669b7750b39294e36347:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/sm
 * [new ref]         ec535a47ec2676b27419669b7750b39294e36347 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ec535a4 Update our patches on 3.2.12-16