portage-ng --merge
>>> Emerging : portage://net-libs/ngtcp2-1.23.0:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://net-libs/ngtcp2-1.23.0
│ └─ file ─┤ 691.54 Kb ngtcp2-1.23.0.tar.xz
└─step 2─┤ update portage://net-libs/ngtcp2-1.23.0 (replaces pkg://net-libs/ngtcp2-1.21.0)
│ └─ conf ─┤ USE = "openssl* ssl -gnutls -verify-sig"
│ │ SLOT = "0/0"
└─step 3─┤ run portage://net-libs/ngtcp2-1.23.0
Total: 3 actions (1 download, 1 update, 1 run), grouped into 3 steps.
691.54 Kb to be downloaded.