portage-ng --merge
>>> Emerging : portage://dev-libs/unittest++-2.0.0-r4:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://dev-libs/unittest++-2.0.0-r4
│ └─ file ─┤ 52.83 Kb unittest++-2.0.0.tar.gz
└─step 2─┤ install portage://dev-libs/unittest++-2.0.0-r4
│ └─ conf ─┤ USE = "-test"
└─step 3─┤ run portage://dev-libs/unittest++-2.0.0-r4
Total: 3 actions (1 download, 1 install, 1 run), grouped into 3 steps.
52.83 Kb to be downloaded.