portage-ng --merge
>>> Emerging : portage://sci-libs/libnova-0.16.0:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://sci-libs/libnova-0.16.0
│ └─ file ─┤ 887.90 Kb libnova-0.16.0.tar.xz
└─step 2─┤ install portage://sci-libs/libnova-0.16.0
│ └─ conf ─┤ USE = "-doc -examples"
│ │ SLOT = "0/0.16"
└─step 3─┤ run portage://sci-libs/libnova-0.16.0
Total: 3 actions (1 download, 1 install, 1 run), grouped into 3 steps.
887.90 Kb to be downloaded.