portage-ng --merge
>>> Emerging : portage://sci-biology/amap-2.2-r6:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://sci-biology/amap-2.2-r6
│ └─ file ─┤ 100.45 Kb amap.2.2.tar.gz
└─step 2─┤ install portage://sci-biology/amap-2.2-r6
│ └─ conf ─┤ USE = "-doc -java -source"
└─step 3─┤ run portage://sci-biology/amap-2.2-r6
Total: 3 actions (1 download, 1 install, 1 run), grouped into 3 steps.
100.45 Kb to be downloaded.