portage-ng --fetchonly
>>> Emerging : portage://dev-lang/mercury-extras-22.01.1:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://dev-lang/mercury-22.01.1-r1
│ └─ file ─┤ 4.86 Kb mercury-22.01.1-gentoo-patchset-2.tar.gz
│ │ 46.69 Mb mercury-srcdist-22.01.1.tar.gz
│ download portage://dev-lang/mercury-extras-22.01.1
│ └─ file ─┤ 0.80 Kb mercury-extras-22.01.1-gentoo-patchset-1.tar.gz
│ │ 46.69 Mb mercury-srcdist-22.01.1.tar.gz
Total: 2 actions (2 downloads), grouped into 1 step.
93.38 Mb to be downloaded.