portage-ng --fetchonly
>>> Emerging : portage://sys-kernel/rt-sources-4.14.336_p159:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://app-alternatives/cpio-0
│ download portage://app-arch/cpio-2.15
│ └─ file ─┤ 1.57 Mb cpio-2.15.tar.bz2
│ download portage://sys-kernel/rt-sources-4.14.336_p159
│ └─ file ─┤ 96.10 Mb linux-4.14.tar.xz
│ │ 237.25 Kb patch-4.14.336-rt159.patch.xz
│ │ 5.10 Mb patch-4.14.336.xz
Total: 3 actions (3 downloads), grouped into 1 step.
103.01 Mb to be downloaded.