$ git clone -n https://src.fedoraproject.org/rpms/python-arpy.git /var/lib/mock/f45-build-29402-637/root/chroot_tmpdir/scmroot/python-arpy
Cloning into '/var/lib/mock/f45-build-29402-637/root/chroot_tmpdir/scmroot/python-arpy'...
$ git fetch origin a9867a06a80a9ad62e1fbd8d5871cf63f2d20ecc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-arpy
 * [new ref]         a9867a06a80a9ad62e1fbd8d5871cf63f2d20ecc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a9867a0 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild