Re: Tags

["H. Peter Anvin" <hpa@zytor.com>]

Petr Baudis wrote:
> Dear diary, on Fri, Jul 01, 2005 at 03:56:06PM CEST, I got a letter
> where "Eric W. Biederman" <ebiederm@xmission.com> told me that...
> 
>>"H. Peter Anvin" <hpa@zytor.com> writes:
>>
>>
>>>In the end, it might be that the right thing to do for git on kernel.org is to
>>>have a single, unified object store which isn't accessible by anything other
>>>than git-specific protocols.  There would have to be some way of dealing with,
>>>for example, conflicting tags that apply to different repositories, though.
>>
>>As far as I can tell public distributed tags are not that hard and if
>>you are going to be synching them it is probably worth working on.
>>
>>The basic idea is that instead of having one global tag of
>>'linux-2.6.13-rc1' you have a global tag of
>>'torvalds@osdl.org/linux-2.6.13-rc1'.
>>
>>The important part is that the tag namespace is made hierarchical
>>with at least 2 levels.  Where the top level is a globally
>>unique tag owner id and the bottom level is the actual tag.  This
>>prevents collisions when merging trees because two peoples
>>tags are never in the same namespace, as least when
>>people are not actively hostile :)
> 
> 
> I don't know, I don't consider this very appealing myself. I'd rather
> prefer the private tags to be per-repository rather than per-user, since
> those ugly "merged-here", "broken" etc. tags aren't very useful on
> larger scope than of a repository. OTOH, what tags would be per-user,
> not per-repository and not global?
> 

He's talking about global tags, just using a "globally unique" 
namespace.  Which of course only works right if only genuinely can't 
create tags outside your assigned namespace.

	-hpa