portage-ng --fetchonly
>>> Emerging : portage://media-libs/mesa-26.2.2:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ 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://media-libs/mesa-26.2.2
│ └─ file ─┤ 65.36 Mb mesa-26.2.2.tar.xz
│ download portage://x11-libs/libdrm-2.4.134
│ └─ file ─┤ 427.00 Kb libdrm-2.4.134.tar.xz
Total: 3 actions (3 downloads), grouped into 1 step.
99.82 Mb to be downloaded.