portage-ng --merge
>>> Emerging : portage://app-vim/airline-themes-0_pre20181021:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://app-vim/airline-0.12
│ └─ file ─┤ 119.24 Kb airline-0.12.tar.gz
│ download portage://app-vim/airline-themes-0_pre20181021
│ └─ file ─┤ 37.61 Kb airline-themes-0_pre20181021.tar.xz
└─step 2─┤ install portage://app-vim/airline-0.12
└─step 3─┤ run portage://app-vim/airline-0.12
└─step 4─┤ install portage://app-vim/airline-themes-0_pre20181021
└─step 5─┤ run portage://app-vim/airline-themes-0_pre20181021
Total: 6 actions (2 downloads, 2 installs, 2 runs), grouped into 5 steps.
156.85 Kb to be downloaded.