$ git clone -n http://fedora.riscv.rocks:3000/rpms/ghc-kan-extensions.git /var/lib/mock/f40-build-777442-129361/root/chroot_tmpdir/scmroot/ghc-kan-extensions
Cloning into '/var/lib/mock/f40-build-777442-129361/root/chroot_tmpdir/scmroot/ghc-kan-extensions'...
$ git fetch origin c2e32f61e3343f4812d5c2d047ce599c53247198:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/ghc-kan-extensions
 * [new ref]         c2e32f61e3343f4812d5c2d047ce599c53247198 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c2e32f6 Rebuilt for Fedora/RISCV (riscv64); adding .rvreX to Release: