$ git clone -n http://fedora.riscv.rocks:3000/rpms/kernel.git /var/lib/mock/f40-staging-845774-162792/root/chroot_tmpdir/scmroot/kernel
Cloning into '/var/lib/mock/f40-staging-845774-162792/root/chroot_tmpdir/scmroot/kernel'...
$ git fetch origin d91f17e55711a067bc6cc82650e23d8671dc7efe:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/kernel
 * [new ref]             d91f17e55711a067bc6cc82650e23d8671dc7efe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d91f17e55 Add riscv64 to cpupowerarchs and schedutil default