$ git clone -n https://src.fedoraproject.org/rpms/python-filecheck.git /var/lib/mock/f45-build-30666-647/root/chroot_tmpdir/scmroot/python-filecheck
Cloning into '/var/lib/mock/f45-build-30666-647/root/chroot_tmpdir/scmroot/python-filecheck'...
$ git fetch origin 82e82daf82af9bfcca530f622b46f64aeb80f667:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-filecheck
 * [new ref]         82e82daf82af9bfcca530f622b46f64aeb80f667 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 82e82da Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild