Both xfsprogs and xfsdump packages install german and polish translations unconditionally.
Created attachment 413092 [details, diff]
xfsprogs: add support for linguas
the patch is against xfsprogs-3.2.4.ebuild, but should be applicable to other versions as well.
Created attachment 413094 [details, diff]
xfsdump add support for linguas
the patch is against xfsdump-3.1.3.ebuild, but should be applicable to other versions.
Created attachment 428622 [details, diff]
sys-fs/xfsdump: Add support for LINGUAS
the l10n eclass is a big hammer. it's generally preferable to get the issue fixed in the source itself and send it upstream. i've done that now for both xfsdump & xfsprogs.