portage-ng --merge
>>> Emerging : portage://dev-build/ninja-1.13.1:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://dev-build/ninja-1.13.1
│ └─ file ─┤ 285.25 Kb ninja-1.13.1.tar.gz
└─step 2─┤ downgrade portage://dev-build/ninja-1.13.1 (replaces pkg://dev-build/ninja-1.13.2-r1)
│ └─ conf ─┤ USE = "-doc -test"
└─step 3─┤ run portage://dev-build/ninja-1.13.1
Total: 3 actions (1 download, 1 downgrade, 1 run), grouped into 3 steps.
285.25 Kb to be downloaded.