$ git clone -n https://src.fedoraproject.org/rpms/plexus-resources.git /var/lib/mock/f45-build-53671-928/root/chroot_tmpdir/scmroot/plexus-resources
Cloning into '/var/lib/mock/f45-build-53671-928/root/chroot_tmpdir/scmroot/plexus-resources'...
$ git fetch origin ccca183f67af4e574df90dc80f6f24c26576556b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plexus-resources
 * [new ref]         ccca183f67af4e574df90dc80f6f24c26576556b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ccca183 Update to upstream version 1.3.1