$ git clone -n https://src.fedoraproject.org/forks/hypersa/rpms/ghc-js-flot.git /var/lib/mock/f39-build-2226396-52930/root/chroot_tmpdir/scmroot/ghc-js-flot
Cloning into '/var/lib/mock/f39-build-2226396-52930/root/chroot_tmpdir/scmroot/ghc-js-flot'...
$ git fetch origin cb8628a03602036648e84fe4ba4dda6ad00f6708:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/forks/hypersa/rpms/ghc-js-flot
 * [new ref]         cb8628a03602036648e84fe4ba4dda6ad00f6708 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cb8628a rv64 rebuild