portage-ng --merge
>>> Emerging : portage://sci-biology/kallisto-0.46.2-r1:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://sci-biology/kallisto-0.46.2-r1
│ └─ file ─┤ 2.57 Mb kallisto-0.46.2.tar.gz
│ download portage://sci-libs/htslib-1.23.1
│ └─ file ─┤ 4.76 Mb htslib-1.23.1.tar.bz2
└─step 2─┤ install portage://sci-libs/htslib-1.23.1
│ └─ conf ─┤ USE = "bzip2 lzma -curl"
│ │ SLOT = "0/3"
└─step 3─┤ run portage://sci-libs/htslib-1.23.1
└─step 4─┤ install portage://sci-biology/kallisto-0.46.2-r1
│ └─ conf ─┤ USE = "-hdf5 -test"
└─step 5─┤ run portage://sci-biology/kallisto-0.46.2-r1
Total: 6 actions (2 downloads, 2 installs, 2 runs), grouped into 5 steps.
7.33 Mb to be downloaded.