$ git clone -n http://fedora.riscv.rocks:3000/rpms/redhat-rpm-config.git /var/lib/mock/f40-build-807821-145278/root/chroot_tmpdir/scmroot/redhat-rpm-config
Cloning into '/var/lib/mock/f40-build-807821-145278/root/chroot_tmpdir/scmroot/redhat-rpm-config'...
$ git fetch origin eca593a134fde5a730045ef63fc61c2b5f9b1884:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/redhat-rpm-config
 * [new ref]         eca593a134fde5a730045ef63fc61c2b5f9b1884 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eca593a Update for riscv64