$ git clone -n https://src.fedoraproject.org/rpms/rocalution.git /var/lib/mock/f40-build-2682870-67965/root/chroot_tmpdir/scmroot/rocalution
Cloning into '/var/lib/mock/f40-build-2682870-67965/root/chroot_tmpdir/scmroot/rocalution'...
$ git fetch origin 53fe6e089d9a51f18d2a2ee5eb9d61bb3b2ada1d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rocalution
 * [new ref]         53fe6e089d9a51f18d2a2ee5eb9d61bb3b2ada1d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 53fe6e0 Update to 6.0.2