portage-ng --fetchonly
>>> Emerging : portage://sci-astronomy/montage-6.1:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://dev-lang/cfortran-20210827-r1
│ └─ file ─┤ 7.91 Kb cfortran_20210827-1.debian.tar.xz
│ │ 92.28 Kb cfortran_20210827.orig.tar.gz
│ download portage://sci-astronomy/montage-6.1
│ └─ file ─┤ 42.94 Mb montage-6.1.tar.gz
│ download portage://sci-astronomy/wcstools-3.9.7
│ └─ file ─┤ 8.25 Mb wcstools-3.9.7.tar.gz
│ download portage://sci-libs/cfitsio-4.7.0
│ └─ file ─┤ 2.06 Mb cfitsio-4.7.0.tar.gz
Total: 4 actions (4 downloads), grouped into 1 step.
53.35 Mb to be downloaded.