$ git clone -n https://src.fedoraproject.org/rpms/lcmaps.git /var/lib/mock/f45-build-15682-478/root/chroot_tmpdir/scmroot/lcmaps
Cloning into '/var/lib/mock/f45-build-15682-478/root/chroot_tmpdir/scmroot/lcmaps'...
$ git fetch origin 892a4a44d5e5730991e55ed65a66255b6b56c3ba:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lcmaps
 * [new ref]         892a4a44d5e5730991e55ed65a66255b6b56c3ba -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 892a4a4 updated version