$ git clone -n https://src.fedoraproject.org/rpms/hunspell-cop.git /var/lib/mock/f45-build-13550-453/root/chroot_tmpdir/scmroot/hunspell-cop
Cloning into '/var/lib/mock/f45-build-13550-453/root/chroot_tmpdir/scmroot/hunspell-cop'...
$ git fetch origin bb5f7d265e361b5470daa8d4e19223ab2ac9b85b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hunspell-cop
 * [new ref]         bb5f7d265e361b5470daa8d4e19223ab2ac9b85b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bb5f7d2 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild