portage-ng --merge
>>> Emerging : portage://app-i18n/unicode-data-18.0.0:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://app-i18n/unicode-data-18.0.0
│ └─ file ─┤ 5.40 Mb unicode-data-18.0.0-UCD.zip
│ │ 7.95 Mb unicode-data-18.0.0-Unihan.zip
└─step 2─┤ install portage://app-i18n/unicode-data-18.0.0
└─step 3─┤ run portage://app-i18n/unicode-data-18.0.0
Total: 3 actions (1 download, 1 install, 1 run), grouped into 3 steps.
13.35 Mb to be downloaded.