$ git clone -n http://fedora.riscv.rocks:3000/rpms/llvm.git /var/lib/mock/f40-build-798271-141808/root/chroot_tmpdir/scmroot/llvm
Cloning into '/var/lib/mock/f40-build-798271-141808/root/chroot_tmpdir/scmroot/llvm'...
$ git fetch origin 514a3aad975ee1ceafe1a3afe7eec440b572ec5d:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/llvm
 * [new ref]         514a3aad975ee1ceafe1a3afe7eec440b572ec5d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 514a3aa Enable tests for riscv64