These are the packages that would be merged, in order:

Calculating dependencies ... done!
Dependency resolution took 0.91 s (backtrack: 1/20).


!!! All ebuilds that could satisfy "app-arch/unrar:=" have been masked.
!!! One of the following masked packages is required to complete your request:
- app-arch/unrar-7.3.1::gentoo (masked by: unRAR license(s))
A copy of the 'unRAR' license is located at '/Volumes/Disk 1/Repository/portage-git/licenses/unRAR'.

- app-arch/unrar-7.2.7::gentoo (masked by: unRAR license(s))

(dependency required by "media-gfx/ahoviewer-2.0.0_pre20241230-r1::gentoo[rar]" [ebuild])
(dependency required by "=media-gfx/ahoviewer-2.0.0_pre20241230-r1" [argument])
For more information, see the MASKED PACKAGES section in the emerge
man page or refer to the Gentoo Handbook.