portage-ng --merge
>>> Emerging : portage://net-misc/apt-cacher-ng-3.7.4_p1-r2:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://net-misc/apt-cacher-ng-3.7.4_p1-r2
│ └─ file ─┤ 512.19 Kb apt-cacher-ng-debian-3.7.4-1.tar.gz
└─step 2─┤ install portage://acct-group/apt-cacher-ng-0-r2
└─step 3─┤ run portage://acct-group/apt-cacher-ng-0-r2
└─step 4─┤ install portage://acct-user/apt-cacher-ng-0-r2
└─step 5─┤ run portage://acct-user/apt-cacher-ng-0-r2
└─step 6─┤ install portage://net-misc/apt-cacher-ng-3.7.4_p1-r2
│ └─ conf ─┤ USE = "-doc -fuse -tcpd"
└─step 7─┤ run portage://net-misc/apt-cacher-ng-3.7.4_p1-r2
Total: 7 actions (1 download, 3 installs, 3 runs), grouped into 7 steps.
512.19 Kb to be downloaded.