portage-ng --merge
>>> Emerging : portage://sys-kernel/gentoo-sources-7.3.0:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://sys-kernel/gentoo-sources-7.3.0
│ └─ file ─┤ 10.70 Kb genpatches-7.3-1.base.tar.xz
│ │ 2.12 Kb genpatches-7.3-1.extras.tar.xz
│ │ 154.88 Mb linux-7.3.tar.xz
└─step 2─┤ install portage://sys-kernel/gentoo-sources-7.3.0
│ └─ conf ─┤ USE = "build symlink -experimental -vanilla%"
│ │ SLOT = "7.3.0"
└─step 3─┤ run portage://sys-kernel/gentoo-sources-7.3.0
Total: 3 actions (1 download, 1 install, 1 run), grouped into 3 steps.
154.89 Mb to be downloaded.