portage-ng --merge
>>> Emerging : portage://sci-astronomy/stuff-1.26.0:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://sci-astronomy/stuff-1.26.0
│ └─ file ─┤ 3.92 Mb stuff-1.26.0.tar.gz
└─step 2─┤ install portage://sci-astronomy/stuff-1.26.0
│ └─ conf ─┤ USE = "threads*"
└─step 3─┤ run portage://sci-astronomy/stuff-1.26.0
Total: 3 actions (1 download, 1 install, 1 run), grouped into 3 steps.
3.92 Mb to be downloaded.