$ git clone -n https://src.fedoraproject.org/rpms/octave-io.git /var/lib/mock/f31-build-48709-27197/root/chroot_tmpdir/scmroot/octave-io
Cloning into '/var/lib/mock/f31-build-48709-27197/root/chroot_tmpdir/scmroot/octave-io'...
$ git reset --hard b2c431b4f513c288e14d18df87e6dbee278672ee
HEAD is now at b2c431b Rebuild for octave 5.1