$ git clone -n https://src.fedoraproject.org/rpms/xq.git /var/lib/mock/f41-build-847722-164042/root/chroot_tmpdir/scmroot/xq
Cloning into '/var/lib/mock/f41-build-847722-164042/root/chroot_tmpdir/scmroot/xq'...
$ git fetch origin ad03361647b1128299993068e14541a330e7e9f2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xq
 * [new ref]         ad03361647b1128299993068e14541a330e7e9f2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ad03361 Update to 1.2.5