$ git clone -n https://src.fedoraproject.org/rpms/flrig.git /var/lib/mock/f45-build-9088-398/root/chroot_tmpdir/scmroot/flrig
Cloning into '/var/lib/mock/f45-build-9088-398/root/chroot_tmpdir/scmroot/flrig'...
$ git fetch origin 379106ef436cafa10ec832e2e8cb38eb441dc071:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/flrig
 * [new ref]         379106ef436cafa10ec832e2e8cb38eb441dc071 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 379106e Update to 2.0.12.