$ git clone -n https://src.fedoraproject.org/rpms/lxrandr.git /var/lib/mock/f41-build-846560-163101/root/chroot_tmpdir/scmroot/lxrandr
Cloning into '/var/lib/mock/f41-build-846560-163101/root/chroot_tmpdir/scmroot/lxrandr'...
$ git fetch origin 6e0e570dc8759b4e838b4582d93d0a9278071e0d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lxrandr
 * [new ref]         6e0e570dc8759b4e838b4582d93d0a9278071e0d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6e0e570 Update to the latest git