portage-ng --merge
>>> Emerging : portage://sys-apps/install-xattr-0.12:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://sys-apps/install-xattr-0.12
│ └─ file ─┤ 11.11 Kb install-xattr-0.12.tar.gz
└─step 2─┤ downgrade portage://sys-apps/install-xattr-0.12 (replaces pkg://sys-apps/install-xattr-0.13)
└─step 3─┤ run portage://sys-apps/install-xattr-0.12
Total: 3 actions (1 download, 1 downgrade, 1 run), grouped into 3 steps.
11.11 Kb to be downloaded.