portage-ng --merge
>>> Emerging : portage://dev-build/cmake-4.1.5:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://dev-build/cmake-4.1.5
│ └─ file ─┤ 11.49 Mb cmake-4.1.5.tar.gz
└─step 2─┤ downgrade portage://dev-build/cmake-4.1.5 (replaces pkg://dev-build/cmake-4.2.3)
│ └─ conf ─┤ USE = "ncurses -dap -doc -gui -test -verify-sig"
└─step 3─┤ run portage://dev-build/cmake-4.1.5
Total: 3 actions (1 download, 1 downgrade, 1 run), grouped into 3 steps.
11.49 Mb to be downloaded.