$ git clone -n https://src.fedoraproject.org/rpms/octave-optim.git /var/lib/mock/f31-build-48713-27197/root/chroot_tmpdir/scmroot/octave-optim
Cloning into '/var/lib/mock/f31-build-48713-27197/root/chroot_tmpdir/scmroot/octave-optim'...
$ git reset --hard a5f1455328442e8a9ddc903e16eb6400155f0af9
HEAD is now at a5f1455 Rebuild for octave 5.1