portage-ng --merge
>>> Emerging : portage://media-libs/libpng-compat-1.5.30-r1:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://media-libs/libpng-compat-1.5.30-r1
│ └─ file ─┤ 739.25 Kb libpng-1.5.30.tar.xz
└─step 2─┤ install portage://media-libs/libpng-compat-1.5.30-r1
│ └─ conf ─┤ SLOT = "1.5"
└─step 3─┤ run portage://media-libs/libpng-compat-1.5.30-r1
Total: 3 actions (1 download, 1 install, 1 run), grouped into 3 steps.
739.25 Kb to be downloaded.