portage-ng --fetchonly
>>> Emerging : portage://dev-lua/luarocks-3.13.0:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://dev-lang/lua-5.1.5-r200
│ └─ file ─┤ 388.10 Kb lua-5.1.5.tar.xz
│ download portage://dev-lua/compat53-0.15.1
│ └─ file ─┤ 61.63 Kb lua-compat-5.3-0.15.1.tar.gz
│ download portage://dev-lua/luarocks-3.13.0
│ └─ file ─┤ 431.55 Kb luarocks-3.13.0.tar.gz
Total: 3 actions (3 downloads), grouped into 1 step.
881.28 Kb to be downloaded.