$ git clone -n https://github.com/xcp-ng-rpms/sm.git /var/lib/mock/v8.3-v-linstor-testing-9843-28561/root/chroot_tmpdir/scmroot/sm
Cloning into '/var/lib/mock/v8.3-v-linstor-testing-9843-28561/root/chroot_tmpdir/scmroot/sm'...
$ git fetch origin b8fa3a28f8321675ed85fd703818ec53fb3c29e0:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/sm
 * [new ref]         b8fa3a28f8321675ed85fd703818ec53fb3c29e0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b8fa3a2 Update our patches on 3.2.12-16