$ git clone -n https://src.fedoraproject.org/forks/hypersa/rpms/ghc-oeis.git /var/lib/mock/f39-build-2225912-52888/root/chroot_tmpdir/scmroot/ghc-oeis
Cloning into '/var/lib/mock/f39-build-2225912-52888/root/chroot_tmpdir/scmroot/ghc-oeis'...
$ git fetch origin b951d2efd643fd2bca9f3803eae712941f540707:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/forks/hypersa/rpms/ghc-oeis
 * [new ref]         b951d2efd643fd2bca9f3803eae712941f540707 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b951d2e rv64 rebuild