$ git clone -n http://fedora.riscv.rocks:3000/rpms/ghc-x509-system.git /var/lib/mock/f38-build-726857-100424/root/chroot_tmpdir/scmroot/ghc-x509-system
Cloning into '/var/lib/mock/f38-build-726857-100424/root/chroot_tmpdir/scmroot/ghc-x509-system'...
$ git fetch origin 8888fea931e4470a4254bbfe8ae3916a19560845:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/ghc-x509-system
 * [new ref]         8888fea931e4470a4254bbfe8ae3916a19560845 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8888fea Rebuilt for Fedora/RISCV (riscv64); adding .rvreX to Release: