$ git clone -n https://src.fedoraproject.org/rpms/python-gradunwarp.git /var/lib/mock/f45-build-30903-648/root/chroot_tmpdir/scmroot/python-gradunwarp
Cloning into '/var/lib/mock/f45-build-30903-648/root/chroot_tmpdir/scmroot/python-gradunwarp'...
$ git fetch origin c338ba2eb47485023360747524239015e261238e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-gradunwarp
 * [new ref]         c338ba2eb47485023360747524239015e261238e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c338ba2 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild