[arch-general] Building local repo - eliminating dups - why some new x86_64?

[Allan McRae]

Eric Bélanger wrote:
> 2009/5/19 Sébastien Duquette <ekse.0x at gmail.com>:
>   
>> On Tue, May 19, 2009 at 3:46 PM, Eric Bélanger <snowmaniscool at gmail.com> wrote:
>>
>>     
>>> Another solution is to have all computers using only one  pacman cache
>>> located on a single computer via nfs. So once a computer has
>>> downloaded a packages, all the other ones can grab it directly from
>>> the local network.
>>>       
>> I might be wrong but I think pacman is downloading the packages
>> directly to the cache directory. This might cause problem if the
>> download starts on one host and is started on another host before the
>> download is done. pacman will then report the package as corrupted but
>> doesn't try to redownload it automatically. It won't do any harm but
>> it can get anoying if you have a large number of systems.
>>
>> Sébastien
>>
>>     
>
> I believe you are correct.  I only used that setup to share source
> cache when building packages.  However, I was the only user and was
> building on one machine at a time (I only have two). So I didn't
> encounter this multiple download problem.  Perhaps  the method I
> proposed is more suitable for cases when there only one or very few
> users.
>   

That is defintely correct - I have had issues in the past where I was 
using the same cache for my chroot and actual system and tried updating 
both at once.  Adding a lock file to the cache is on my TODO list, 
although it is a simple patch if someone wants to beat me to it...

Allan