$ git clone -n https://src.fedoraproject.org/rpms/fwknop.git /var/lib/mock/f45-build-9363-403/root/chroot_tmpdir/scmroot/fwknop
Cloning into '/var/lib/mock/f45-build-9363-403/root/chroot_tmpdir/scmroot/fwknop'...
$ git fetch origin e06ebe76116a26a6bfd21864a5c3415bf67e3079:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fwknop
 * [new ref]         e06ebe76116a26a6bfd21864a5c3415bf67e3079 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e06ebe7 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild