portage-ng --fetchonly
>>> Emerging : portage://mail-mta/exim-4.100.1:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://mail-mta/exim-4.100.1
│ └─ file ─┤ 1.91 Mb exim-4.100.1.tar.xz
│ │ 3.00 Kb system_filter.exim.gz
│ download portage://sys-libs/tdb-1.4.15
│ └─ file ─┤ 735.83 Kb tdb-1.4.15.tar.gz
Total: 2 actions (2 downloads), grouped into 1 step.
2.64 Mb to be downloaded.
>>> Blockers added during proving & planning:
[blocks B] !mail-mta/nullmailer (soft blocker, phase: run, required by: portage://mail-mta/exim-4.100.1)