portage-ng --merge
>>> Emerging : portage://sci-biology/clustalw-2.1-r2:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://sci-biology/clustalw-2.1-r2
│ └─ file ─┤ 342.54 Kb clustalw-2.1.tar.gz
└─step 2─┤ install portage://sci-biology/clustalw-2.1-r2
│ └─ conf ─┤ SLOT = "2"
└─step 3─┤ run portage://sci-biology/clustalw-2.1-r2
Total: 3 actions (1 download, 1 install, 1 run), grouped into 3 steps.
342.54 Kb to be downloaded.