portage-ng --merge
>>> Emerging : portage://media-libs/libvmaf-3.2.1:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://media-libs/libvmaf-3.2.1
│ └─ file ─┤ 17.73 Mb libvmaf-3.2.1.tar.gz
└─step 2─┤ install portage://media-libs/libvmaf-3.2.1
│ └─ conf ─┤ USE = "embed-models -test"
└─step 3─┤ run portage://media-libs/libvmaf-3.2.1
Total: 3 actions (1 download, 1 install, 1 run), grouped into 3 steps.
17.73 Mb to be downloaded.