portage-ng --fetchonly
>>> Emerging : portage://media-libs/libavif-9999:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ keyword portage://media-libs/libavif-9999 (**)
└─step 2─┤ download portage://dev-lang/python-3.15.0
│ └─ file ─┤ 34.04 Mb Python-3.15.0.tar.xz
│ │ 4.52 Kb python-gentoo-patches-3.15.0.tar.xz
│ download portage://dev-lang/yasm-1.3.0-r2
│ └─ file ─┤ 1.42 Mb yasm-1.3.0.tar.gz
│ download portage://media-libs/libaom-3.14.1
│ └─ file ─┤ 6.07 Mb libaom-3.14.1.tar.gz
│ download portage://media-libs/libavif-9999
│ └─ live ─┤ live git repository
Total: 5 actions (1 keyword, 4 downloads), grouped into 2 steps.
41.54 Mb to be downloaded.
>>> Assumptions taken during proving & planning:
Keyword acceptance (1 package):
Add to /etc/portage/package.accept_keywords:
media-libs/libavif **