portage-ng --merge
>>> Emerging : portage://media-libs/openjpeg-2.5.4-r1:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://media-libs/openjpeg-2.5.4-r1
│ └─ file ─┤ 2.06 Mb openjpeg-2.5.4.tar.gz
└─step 2─┤ update portage://media-libs/openjpeg-2.5.4-r1 (replaces pkg://media-libs/openjpeg-2.5.4)
│ └─ conf ─┤ USE = "-doc -test"
│ │ SLOT = "2/7"
└─step 3─┤ run portage://media-libs/openjpeg-2.5.4-r1
Total: 3 actions (1 download, 1 update, 1 run), grouped into 3 steps.
2.06 Mb to be downloaded.