$ git clone -n https://src.fedoraproject.org/rpms/hyphen-fo.git /var/lib/mock/f45-build-13892-455/root/chroot_tmpdir/scmroot/hyphen-fo
Cloning into '/var/lib/mock/f45-build-13892-455/root/chroot_tmpdir/scmroot/hyphen-fo'...
$ git fetch origin ba22e2a3b8427329bb6300bbced3413845a5f0aa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hyphen-fo
 * [new ref]         ba22e2a3b8427329bb6300bbced3413845a5f0aa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ba22e2a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild