portage-ng --merge
>>> Emerging : portage://dev-util/uftrace-0.20:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://dev-util/uftrace-0.20
│ └─ file ─┤ 1.16 Mb uftrace-0.20.tar.gz
└─step 2─┤ install portage://dev-util/uftrace-0.20
│ └─ conf ─┤ USE = "python* -lua* -capstone -unwind"
│ │ LUA_SINGLE_TARGET = "luajit"
│ │ PYTHON_SINGLE_TARGET = "python3_14 -python3_12 -python3_13"
└─step 3─┤ run portage://dev-util/uftrace-0.20
Total: 3 actions (1 download, 1 install, 1 run), grouped into 3 steps.
1.16 Mb to be downloaded.