$ git clone -n http://fedora.riscv.rocks:3000/rpms/ghc-gitrev.git /var/lib/mock/f38-build-726114-99945/root/chroot_tmpdir/scmroot/ghc-gitrev
Cloning into '/var/lib/mock/f38-build-726114-99945/root/chroot_tmpdir/scmroot/ghc-gitrev'...
$ git fetch origin 4885e008d60708f8729210a5854ebe111fc75ce7:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/ghc-gitrev
 * [new ref]         4885e008d60708f8729210a5854ebe111fc75ce7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4885e00 Rebuilt for Fedora/RISCV (riscv64); adding .rvreX to Release: