$ git clone -n https://src.fedoraproject.org/rpms/octave-netcdf.git /var/lib/mock/f45-build-20881-574/root/chroot_tmpdir/scmroot/octave-netcdf
Cloning into '/var/lib/mock/f45-build-20881-574/root/chroot_tmpdir/scmroot/octave-netcdf'...
$ git fetch origin 50ccc006fb36a1ceebf37e391600ddea61150dc2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/octave-netcdf
 * [new ref]         50ccc006fb36a1ceebf37e391600ddea61150dc2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 50ccc00 Drop x86_32