portage-ng --fetchonly
>>> Emerging : portage://media-libs/libmatroska-1.7.1-r1:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://dev-libs/libebml-1.4.7
│ └─ file ─┤ 50.08 Kb libebml-1.4.7.tar.xz
│ download portage://dev-libs/utfcpp-4.0.6
│ └─ file ─┤ 33.35 Kb utfcpp-4.0.6.tar.gz
│ download portage://media-libs/libmatroska-1.7.1-r1
│ └─ file ─┤ 59.98 Kb libmatroska-1.7.1.tar.xz
Total: 3 actions (3 downloads), grouped into 1 step.
143.41 Kb to be downloaded.