portage-ng --merge
>>> Emerging : portage://sys-libs/glibc-2.42-r7:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://sys-libs/glibc-2.42-r7
│ └─ file ─┤ 84.36 Kb glibc-2.42-patches-9.tar.xz
│ │ 19.01 Mb glibc-2.42.tar.xz
└─step 2─┤ downgrade portage://sys-libs/glibc-2.42-r7 (replaces pkg://sys-libs/glibc-2.43)
│ └─ conf ─┤ USE = "cet (static-libs) multiarch ssp (-custom-cflags) (-stack-realign) (-vanilla) -audit -caps -compile-locales -doc -gd
│ │ -hash-sysv-compat -headers-only -multilib-bootstrap -nscd -perl -profile -sframe -suid -systemtap -test -verify-sig"
│ │ SLOT = "2.2"
└─step 3─┤ run portage://sys-libs/glibc-2.42-r7
Total: 3 actions (1 download, 1 downgrade, 1 run), grouped into 3 steps.
19.09 Mb to be downloaded.