$ git clone -n https://src.fedoraproject.org/rpms/python-pymaven-patch.git /var/lib/mock/f45-build-32298-658/root/chroot_tmpdir/scmroot/python-pymaven-patch
Cloning into '/var/lib/mock/f45-build-32298-658/root/chroot_tmpdir/scmroot/python-pymaven-patch'...
$ git fetch origin 54e8691d95bcfffb280a251d103fef90cde4df28:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pymaven-patch
 * [new ref]         54e8691d95bcfffb280a251d103fef90cde4df28 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 54e8691 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild