$ git clone -n https://src.fedoraproject.org/rpms/liquidwar.git /var/lib/mock/f45-build-17451-499/root/chroot_tmpdir/scmroot/liquidwar
Cloning into '/var/lib/mock/f45-build-17451-499/root/chroot_tmpdir/scmroot/liquidwar'...
$ git fetch origin 8868164c50e3e8553b5cd2008017842ec0fb755e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/liquidwar
 * [new ref]         8868164c50e3e8553b5cd2008017842ec0fb755e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8868164 Fix unit filke permissions