portage-ng --merge
>>> Emerging : portage://x11-themes/fedora-backgrounds-28.1.5:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://x11-themes/fedora-backgrounds-28.1.5
│ └─ file ─┤ 151.27 Mb f28-backgrounds-28.1.5.tar.xz
└─step 2─┤ install portage://x11-themes/fedora-backgrounds-28.1.5
│ └─ conf ─┤ SLOT = "28"
└─step 3─┤ run portage://x11-themes/fedora-backgrounds-28.1.5
Total: 3 actions (1 download, 1 install, 1 run), grouped into 3 steps.
151.27 Mb to be downloaded.