portage-ng --merge
>>> Emerging : portage://sci-mathematics/sha1-polyml-5.9:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://sci-mathematics/sha1-polyml-5.9
│ └─ file ─┤ 29.37 Mb sha1-polyml-5.9.tar.gz
└─step 2─┤ install portage://sci-mathematics/sha1-polyml-5.9
└─step 3─┤ run portage://sci-mathematics/sha1-polyml-5.9
Total: 3 actions (1 download, 1 install, 1 run), grouped into 3 steps.
29.37 Mb to be downloaded.