$ git clone -n https://src.fedoraproject.org/rpms/folio.git /var/lib/mock/f45-build-9115-399/root/chroot_tmpdir/scmroot/folio
Cloning into '/var/lib/mock/f45-build-9115-399/root/chroot_tmpdir/scmroot/folio'...
$ git fetch origin 48c3c81fe33c6aeca9ac36224ade7e55ae5548fb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/folio
 * [new ref]         48c3c81fe33c6aeca9ac36224ade7e55ae5548fb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 48c3c81 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild