[core-workflow] Time to decide how to convert hg repos to git

[Brett Cannon]

On Fri, Apr 22, 2016, 18:45 Senthil Kumaran <senthil at uthcode.com> wrote:

> Hi Brett,
>
> On Fri, Apr 22, 2016 at 4:27 PM, Brett Cannon <brett at python.org> wrote:
>
>> Now that I'm comfortable declaring the code for the CLA bot finished (
>> https://github.com/python/the-knights-who-say-ni), the next step is to
>> finalize the command(s) we are going to use to convert hg repositories to
>> git for migration to GitHub. Senthil, are you ready to make a final
>> decision?
>>
>
> Yes. I did experiments while collating points from others with multiple
> tools and I found that hg-git could be suitable for our export.
> It won't be a single command due to the size of our repo. It will be a
> multi-step process.
>
> 1. Initialize local a bare git repo
> 2. Use hg-git to migrate from local hg to local git repo.
> (Ensure the migration was complete. With branches as desired).
> 3. And finally, push the local git repo, 1000s of commits at a time to
> remote repo.
>
> I had tried it myself and was successful with this approach.
> https://github.com/orsenthil/cpython-hg-to-git
>
> The other tools and approaches I tried had failed for me.
>
> Here's my plan and a to do:
>
> 1. Even though it is a one-time operation, I plan to convert above steps
> into a trivial tool that we can use and verify independently.
> 2. Once we are satisfied with our local trials, you could use this tool
> once to convert the hg repo and push to canonical git repo.
>
> todo
>
> * I haven't talked to the maintainer of https://github.com/python/cpython
> repo yet. I should do that and see what differences will be between the
> semi-official mirror and repo created by the importing tool. It will help
> us make a more informed decision.
>
> I will follow up an update on this and the tool.
>

Great! Obviously the tool is more important as that is a blocker for
devinabox while talking to Eli Bendersky about the mirror isn't.

-Brett


> Thanks,
> Senthil
>
>
>
>
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