portage-ng --fetchonly
>>> 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
Total: 1 action (1 download), grouped into 1 step.
338.11 Mb to be downloaded.