$ git clone -n http://fedora.riscv.rocks:3000/rpms/kernel.git /var/lib/mock/f41-build-860771-169194/root/chroot_tmpdir/scmroot/kernel
Cloning into '/var/lib/mock/f41-build-860771-169194/root/chroot_tmpdir/scmroot/kernel'...
$ git fetch origin b3aa991bb10845005113b7e5cd0bfed998981d7c:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/kernel
 * [new ref]             b3aa991bb10845005113b7e5cd0bfed998981d7c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b3aa991bb Update for riscv64