$ git clone -n http://fedora.riscv.rocks:3000/rpms/ghc-haxr.git /var/lib/mock/f40-build-777551-129393/root/chroot_tmpdir/scmroot/ghc-haxr
Cloning into '/var/lib/mock/f40-build-777551-129393/root/chroot_tmpdir/scmroot/ghc-haxr'...
$ git fetch origin 5b83ff7d84114f21d0489966643409335d745f9d:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/ghc-haxr
 * [new ref]         5b83ff7d84114f21d0489966643409335d745f9d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5b83ff7 Rebuilt for Fedora/RISCV (riscv64); adding .rvreX to Release: