portage-ng --merge
>>> Emerging : portage://games-fps/ezquake-bin-2.2-r3:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://games-fps/ezquake-bin-2.2-r3
│ └─ file ─┤ 17.76 Mb ezquake_linux-x86_64.1.9.3.tar.gz
│ │ 1.72 Mb ezquake_linux64_2.2.tar.gz
│ download portage://x11-libs/libXxf86dga-1.1.7
│ └─ file ─┤ 269.71 Kb libXxf86dga-1.1.7.tar.xz
└─step 2─┤ install portage://x11-libs/libXxf86dga-1.1.7
│ └─ conf ─┤ USE = "-doc"
└─step 3─┤ run portage://x11-libs/libXxf86dga-1.1.7
└─step 4─┤ install portage://games-fps/ezquake-bin-2.2-r3
│ └─ conf ─┤ USE = "-cdinstall"
└─step 5─┤ run portage://games-fps/ezquake-bin-2.2-r3
Total: 6 actions (2 downloads, 2 installs, 2 runs), grouped into 5 steps.
19.75 Mb to be downloaded.