portage-ng --merge
>>> Emerging : portage://sys-apps/gawk-5.3.2:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://sys-apps/gawk-5.3.2
│ └─ file ─┤ 3.58 Mb gawk-5.3.2.tar.xz
└─step 2─┤ downgrade portage://sys-apps/gawk-5.3.2 (replaces pkg://sys-apps/gawk-5.4.0-r2)
│ └─ conf ─┤ USE = "nls readline mpfr -pma -verify-sig"
└─step 3─┤ run portage://sys-apps/gawk-5.3.2
Total: 3 actions (1 download, 1 downgrade, 1 run), grouped into 3 steps.
3.58 Mb to be downloaded.