portage-ng --merge
>>> Emerging : portage://llvm-core/llvm-common-23.1.3:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://llvm-core/llvm-common-23.1.3
│ └─ file ─┤ 170.92 Mb llvm-project-23.1.3.src.tar.xz
└─step 2─┤ update portage://llvm-core/llvm-common-23.1.3 (replaces pkg://llvm-core/llvm-common-22.1.1)
│ └─ conf ─┤ USE = "-emacs -verify-sig"
└─step 3─┤ run portage://llvm-core/llvm-common-23.1.3
Total: 3 actions (1 download, 1 update, 1 run), grouped into 3 steps.
170.92 Mb to be downloaded.