Re: [gentoo-dev] Identifying inherit-only / usable profiles (round 2)

[Jerome Brown <jerome@hub.net.nz>]

Chris Gianelloni wrote:
>>I'd like multiple inheritance in profiles too, or at least some kind of
>>mixin style semi-multiple inheritance.
> 
> 
> Actually, that would be very useful.  Be able to do things like have
> both ".." and "../2004.3" in parent, so items from the parent in the
> directory structure is read first, followed by the 2004.3 stuff.  There
> are quite a few cascaded profiles that are nearly identical between
> versions, with only a single change, but that are quite divergent from
> the parent.  This would eliminate most of the duplication and redundancy
> in them.

Wont this cause headaches when it comes to depreciating profiles
however? If there are very few changes between versions, I can forsee a
time where someone wants to keep 2004.3, 2005.0, 2005.1, 2006.0, 2006.1,
2007.0, 2007.1 around because 2008.0 inherits from 2007.1 which inherits
from ... (you get the idea). How would this work and how long would you
be willing to keep a profile around for until it is removed and not just
depreciated?

(I do think that multiple inheritance is A Good Thing (TM), especially
if it becomes possible to have user defined profiles in
/etc/portage/profiles which can inherit from multiple 'base' profiles)

-- 
Jerome Brown
Technology Architect
Hub.Net

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