GIT mirror.

[janI <ja...@apache.org>]

Hi.

We have INFRA 5590 pending. When I (and infra) reads it, its only a request
for a RO mirror.

I understood from another discussion, that we wanted to be able to do git
commit, that automatically updated the svn (orignial) repository.

I my understanding is correct the ticket should be updated to reflect that
(and maybe less open possibilities).

rgds
jan I.

Re: GIT mirror.

[Herbert Dürr <hd...@apache.org>]

On 2013/05/28 2:50 PM, janI wrote:
> We have INFRA 5590 pending. When I (and infra) reads it, its only a request
> for a RO mirror.

Yes, it was assumed that a read-only mirror of our codebase would be an 
essential step regardless on how we want to proceed.

A read-only mirror would have the immediate benefit of being a stable 
reference: As SVN allows editing properties of older commits individual 
imports of the codebase via git-svn are different and result in 
unpredictable commit-ids which prevents an efficient DVCS working style. 
An official git-mirror of our SVN sub-tree would solve all that.

The questions in https://issues.apache.org/jira/browse/INFRA-5590 need 
to be addressed first in either way: do we want the localizations split 
from the codebase? How to map the one-level/two-level deep branch names? 
Do we want to have the incubator/ooo history grafted before the 
post-graduation history? And how about the OOo-history? etc.

> I understood from another discussion, that we wanted to be able to do git
> commit, that automatically updated the svn (orignial) repository.

I'm afraid only unidirectional mirroring will work reliably. This means 
we'll either
a) have SVN as upstream of a read-only mirror
b) have a git repository as new upstream

a) as an intermediate step is needed anyway and it would solve a lot of 
problems. I personally would prefer option b in the long term, but not 
having it would only be a minor inconvenience. Not having any official 
git-mirror is a much bigger problem.

> I my understanding is correct the ticket should be updated to reflect that
> (and maybe less open possibilities).

I suggest to keep the original request and add comments or answers to 
the JIRA issue. As the author of INFRA-5590 I'll be happy to change the 
subject line then to clarify what we want.

Do we have committers who would prefer to continue with SVN?

Herbert


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