portage-ng --merge
>>> Emerging : portage://app-arch/gcab-1.6:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://app-arch/gcab-1.6
│ └─ file ─┤ 80.16 Kb gcab-1.6.tar.xz
└─step 2─┤ install portage://app-arch/gcab-1.6
│ └─ conf ─┤ USE = "-introspection* -vala* -gtk-doc -test"
└─step 3─┤ run portage://app-arch/gcab-1.6
Total: 3 actions (1 download, 1 install, 1 run), grouped into 3 steps.
80.16 Kb to be downloaded.