$ git clone -n https://src.fedoraproject.org/rpms/hyphen-kn.git /var/lib/mock/f45-build-13833-455/root/chroot_tmpdir/scmroot/hyphen-kn
Cloning into '/var/lib/mock/f45-build-13833-455/root/chroot_tmpdir/scmroot/hyphen-kn'...
$ git fetch origin e43398cca4f41063ad179eb12716f322a468b324:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hyphen-kn
 * [new ref]         e43398cca4f41063ad179eb12716f322a468b324 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e43398c Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild