$ git clone -n http://fedora.riscv.rocks:3000/rpms/octave.git /var/lib/mock/f40-build-789690-135958/root/chroot_tmpdir/scmroot/octave
Cloning into '/var/lib/mock/f40-build-789690-135958/root/chroot_tmpdir/scmroot/octave'...
$ git fetch origin 8984d35cd3ee9bae9cab36dcf16de58aa906c146:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/octave
 * [new ref]         8984d35cd3ee9bae9cab36dcf16de58aa906c146 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8984d35 Add support for riscv64