$ git clone -n https://src.fedoraproject.org/forks/hypersa/rpms/ghc-monad-par-extras.git /var/lib/mock/f39-build-2225825-52879/root/chroot_tmpdir/scmroot/ghc-monad-par-extras
Cloning into '/var/lib/mock/f39-build-2225825-52879/root/chroot_tmpdir/scmroot/ghc-monad-par-extras'...
$ git fetch origin d0b92d6b95673126356786955aa2e35c362da60f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/forks/hypersa/rpms/ghc-monad-par-extras
 * [new ref]         d0b92d6b95673126356786955aa2e35c362da60f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d0b92d6 rv64 rebuild