portage-ng --merge
>>> Emerging : portage://sci-mathematics/planarity-4.0.0.0:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://sci-mathematics/planarity-4.0.0.0
│ └─ file ─┤ 523.57 Kb planarity-4.0.0.0.tar.gz
└─step 2─┤ install portage://sci-mathematics/planarity-4.0.0.0
└─step 3─┤ run portage://sci-mathematics/planarity-4.0.0.0
Total: 3 actions (1 download, 1 install, 1 run), grouped into 3 steps.
523.57 Kb to be downloaded.