portage-ng --merge
>>> Emerging : portage://app-admin/sudo-1.9.17_p2-r1:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://app-admin/sudo-1.9.17_p2-r1
│ └─ file ─┤ 5.20 Mb sudo-1.9.17p2.tar.gz
└─step 2─┤ update portage://app-admin/sudo-1.9.17_p2-r1 (replaces pkg://app-admin/sudo-1.9.17_p2)
│ └─ conf ─┤ USE = "nls pam ssl secure-path sendmail -ldap -gcrypt -offensive -sasl -skey -sssd -verify-sig"
└─step 3─┤ run portage://app-admin/sudo-1.9.17_p2-r1
Total: 3 actions (1 download, 1 update, 1 run), grouped into 3 steps.
5.20 Mb to be downloaded.