$ git clone -n http://fedora.riscv.rocks:3000/rpms/protobuf.git /var/lib/mock/f37-build-654962-72837/root/chroot_tmpdir/scmroot/protobuf
Cloning into '/var/lib/mock/f37-build-654962-72837/root/chroot_tmpdir/scmroot/protobuf'...
$ git reset --hard ca9cea1a074cbc226a5683fbd7d3365458405648
HEAD is now at ca9cea1 Enable riscv64