$ git clone -n https://src.fedoraproject.org/rpms/rarpd.git /var/lib/mock/f39-build-1550743-36955/root/chroot_tmpdir/scmroot/rarpd
Cloning into '/var/lib/mock/f39-build-1550743-36955/root/chroot_tmpdir/scmroot/rarpd'...
$ git fetch origin d34c5bd4c744b85fe98395b8a82ea3a3bc9d6cc8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rarpd
 * [new ref]         d34c5bd4c744b85fe98395b8a82ea3a3bc9d6cc8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d34c5bd Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild