portage-ng --fetchonly
>>> Emerging : portage://net-vpn/libreswan-4.15:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://dev-libs/nspr-4.40
│ └─ file ─┤ 985.34 Kb nspr-4.40.tar.gz
│ download portage://dev-libs/nss-3.131
│ └─ file ─┤ 83.98 Mb nss-3.131.tar.gz
│ download portage://net-vpn/libreswan-4.15
│ └─ file ─┤ 3.56 Mb libreswan-4.15.tar.gz
Total: 3 actions (3 downloads), grouped into 1 step.
88.50 Mb to be downloaded.