portage-ng --merge
>>> Emerging : portage://dev-lang/ada-bootstrap-0_p2021-r1:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://dev-lang/ada-bootstrap-0_p2021-r1
│ └─ file ─┤ 104.10 Mb gcc-10-2021-20210519-19A74-src.tar.gz
│ │ 350.67 Kb gcc-interface-10-2021-20210519-19A75-src.tar.gz
│ │ 8.36 Mb gnat-2021-20210519-19A70-src.tar.gz
│ │ 225.31 Mb gnat-gpl-2014-x86_64-linux-bin.tar.gz
└─step 2─┤ install portage://dev-lang/ada-bootstrap-0_p2021-r1
└─step 3─┤ run portage://dev-lang/ada-bootstrap-0_p2021-r1
Total: 3 actions (1 download, 1 install, 1 run), grouped into 3 steps.
338.11 Mb to be downloaded.