$ git clone -n http://fedora.riscv.rocks:3000/rpms/ghc-stm-chans.git /var/lib/mock/f38-build-725982-99850/root/chroot_tmpdir/scmroot/ghc-stm-chans
Cloning into '/var/lib/mock/f38-build-725982-99850/root/chroot_tmpdir/scmroot/ghc-stm-chans'...
$ git fetch origin 58a36b14949e016c885a21abba86684ea43626df:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/ghc-stm-chans
 * [new ref]         58a36b14949e016c885a21abba86684ea43626df -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 58a36b1 Rebuilt for Fedora/RISCV (riscv64); adding .rvreX to Release: