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On 03/28/2012 02:53 PM, Christoph Mende wrote:
> On Wed, Mar 28, 2012 at 8:43 PM, Aaron W. Swenson
> <titanofold@g.o> wrote:
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>> 
>> On 03/27/2012 03:05 PM, William Hubbs wrote:
>>> All,
>>> 
>>> I know this has come up before, but I don't really recall what
>>> the specific objections were.
>>> 
>>> IMO the portage directory doesn't belong under /usr at all. I
>>> was chatting with another developer who uses 
>>> /var/cache/portage/{tree,distfiles}, and I'm thinking about 
>>> switching my default setup to do this.
>>> 
>>> I realize that historically the portage tree has been
>>> installed under /usr, but Can we consider changing this default
>>> for new installations and providing instructions for users for
>>> how to get the portage tree out of /usr? William
>>> 
>> 
>> So, we're all getting way off topic and discussing reorganizing
>> the whole enchilada.
>> 
>> How about we all agree or disagree on the primary point: The
>> Portage tree doesn't belong in /usr.
>> 
>> I believe that it does belong under /var/cache/.
> 
> I believe it's /var/lib/<name>. Here's what FHS says: /var/cache is
> intended for cached data from applications. Such data is locally
> generated as a result of time-consuming I/O or calculation. The
> application must be able to regenerate or restore the data. Unlike 
> /var/spool, the cached files can be deleted without data loss.
> 
> And: /var/lib/<name> is the location that must be used for all
> distribution packaging support.
> 

'Support' is the keyword here. The repositories are regenerated given
machinesan 'emerge --sync' and can be considered as temporary as the
packages themselves are impermanent. Further, the repository isn't
required to persist. If somebody really wanted to be hard on our
infrastructure, they could do an 'emerge --sync' at boot to repopulate
/var/cache/gentoo-repos/.

Portage PMS already does the right thing and uses /var/lib/ for the
appropriate use, config and world, things that need to persist between
reboots.
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