Andy Parkins wrote:
quoted text
> On Thursday 2006 November 30 18:57, Andreas Ericsson wrote:
> 
> (agree with everything in your mail)
> 
>> The only problem I'm seeing atm is that the supermodule somehow has to
>> mark whatever commits it's using from the submodule inside the submodule
>> repo so that they effectively become un-prunable, otherwise the
>> supermodule may some day find itself with a history that it can't restore.
> 
> What about submodule/.git/refs/supermodule/commit12345678, where "12345678" is 
> the hash of the supermodule commit?  This gives a convenient route in the 
> submodule to which commit contains that commit from the submodule; but 
> doesn't write anything into the submodule repository itself.  It's just a tag 
> with a different intent.
> 

True, but this makes one repo of the submodule special. Let's say you 
have this layout

mozilla/.git
mozilla/openssl/.git
mozilla/xlat/.git

Now, we can be reasonably sure that the 'xlat' repo is something the 
mozilla core team can push to, or at least we can consider the core repo 
owners an official "vendor" of tags for the submodule repo. I'm fairly 
certain openssl authors won't be too happy with allowing the thousands 
of projects using its code to push tags to its official repo though.

Now that I think about it more, I realize this is completely irrelevant 
as the ui can create the tags in the submodule with info only from the 
the supermodule, which means the submodule repo will only be special if 
it's connected to the supermodule. We just need a command for creating 
those tags in the submodule repo so people who use the same submodule 
code for several projects can use the alternates mechanism effectively.

-- 
Andreas Ericsson                   andreas.ericsson@op5.se
OP5 AB                             www.op5.se
Tel: +46 8-230225                  Fax: +46 8-230231
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