$ git clone -n https://src.fedoraproject.org/rpms/python-aiofiles.git /var/lib/mock/f45-build-29301-637/root/chroot_tmpdir/scmroot/python-aiofiles
Cloning into '/var/lib/mock/f45-build-29301-637/root/chroot_tmpdir/scmroot/python-aiofiles'...
$ git fetch origin c3f703b60c88d6472076ff76c931ac0e23105b9e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-aiofiles
 * [new ref]         c3f703b60c88d6472076ff76c931ac0e23105b9e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c3f703b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild