portage-ng --merge
>>> Emerging : portage://x11-themes/fedora-backgrounds-27.0.1:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://x11-themes/fedora-backgrounds-27.0.1
│ └─ file ─┤ 19.35 Mb f27-backgrounds-27.0.1.tar.xz
└─step 2─┤ install portage://x11-themes/fedora-backgrounds-27.0.1
│ └─ conf ─┤ SLOT = "27"
└─step 3─┤ run portage://x11-themes/fedora-backgrounds-27.0.1
Total: 3 actions (1 download, 1 install, 1 run), grouped into 3 steps.
19.35 Mb to be downloaded.