portage-ng --merge
>>> Emerging : portage://www-client/links-2.30-r2:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://www-client/links-2.30-r2
│ └─ file ─┤ 6.27 Mb links-2.30.tar.bz2
│ │ 5.90 Kb links-graphics-xlinks-logo-pic.png
└─step 2─┤ downgrade portage://www-client/links-2.30-r2 (replaces pkg://www-client/links-2.30-r3)
│ └─ conf ─┤ USE = "bzip2 gpm* ssl zlib -X -jpeg -tiff (-suid) -avif -brotli -fbcon -freetype -libevent -livecd -lzip -lzma -webp -zstd"
│ │ SLOT = "2"
└─step 3─┤ run portage://www-client/links-2.30-r2
Total: 3 actions (1 download, 1 downgrade, 1 run), grouped into 3 steps.
6.27 Mb to be downloaded.