portage-ng --merge
>>> Emerging : portage://dev-perl/Class-ReturnValue-0.550.0-r2:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://dev-perl/Class-ReturnValue-0.550.0-r2
│ └─ file ─┤ 14.00 Kb Class-ReturnValue-0.55.tar.gz
│ download portage://dev-perl/Devel-StackTrace-2.50.0
│ └─ file ─┤ 40.40 Kb Devel-StackTrace-2.05.tar.gz
└─step 2─┤ install portage://dev-perl/Devel-StackTrace-2.50.0
│ └─ conf ─┤ USE = "-test"
│ │ PERL_FEATURES = "ithreads -quadmath"
└─step 3─┤ run portage://dev-perl/Devel-StackTrace-2.50.0
└─step 4─┤ install portage://dev-perl/Class-ReturnValue-0.550.0-r2
│ └─ conf ─┤ USE = ""
│ │ PERL_FEATURES = "ithreads -quadmath"
└─step 5─┤ run portage://dev-perl/Class-ReturnValue-0.550.0-r2
Total: 6 actions (2 downloads, 2 installs, 2 runs), grouped into 5 steps.
54.40 Kb to be downloaded.