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Re: Proposal for new workflow, incorporating "Optimistic Merging"

Proposal for new workflow, incorporating "Optimistic Merging"

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Re: Proposal for new workflow, incorporating "Optimistic Merging"

by
Elico Corp, Eric Caudal
- 06/06/2016 11:53:10
Hi Daniel,
What about having only one beta repository per version with OM and crowd contribution?
It is much easier to manage the repo and it is sometimes very difficult to decide which repo a contribution should go.
Once the module is mature enough it would be transfered to the stable repo.
I would suggest as well not to publish the beta repo to apps.odoo.com
Your thoughts?
--
Eric Caudal [Founder and CEO]
Skype: elico.corp. Phone: + 86 186 2136 1670 (Cell), + 86 21 6211 8017/27/37 (Office)
Elico Shanghai (Hong Kong/Shenzhen/Singapore) Odoo Gold Partner, best Odoo Partner 2014 for APAC
On 06/06/2016 05:38 PM, Daniel Reis wrote:
<blockquote cite="mid:20160606102409.Horde.sQO_qNrYaSNfVZmfNWl5cLx@mail.sapo.pt" type="cite">

Hello all,


Some discussion has been going on, to try to make OCA friendlier to new contributors.
Have a peek at: https://twitter.com/jgrandguillaume/status/735738547118825475

The "Optimistic Merging" strategy that can make that possible:
Instead of requesting the contributor to have perfect code,
contributions are quickly merged so that others can improve them ("crowd patching").
This provides a more satisfying experience to contributors,
and provides some "low hanging fruit" for newcomers, such as simple code style fixes.

"Optimistic Merging" has some research backing it.
Learn more about it here:
- http://hintjens.com/blog:106
- https://www.youtube.com/watch?v=O8CbzKREAj4


Based on these ideas, I would like to draft a proposal.

The outline of the new OCA workflow would be like this:

1) Pull Request are made for a "beta" branch. E.g. "9.0-beta".
2) Pull Request has flash code review and a fast merge
3) Pull Request diff will still be available for further discussion/collaboration
4) Imperfect code merged is "crowd patched" until suitable for stable release
5) Pull Requests made for stable branch, e.g. "9.0", extracting relevant commits form the beta branch.
6) Full code review is made, and green CI required, as per current standards.
7) Fixes to the Pull Request for stable should then be also merged into the beta branch.


Some details:

Beta branches are initially branched from the stable ones.
Pull Requests should target beta branches.
These are merged with an Optimistic Merge policy.
Merging would be expected to happen fast,
and PR comments would mostly be for discussion, rather than validating the merge.
Rarely a PR should be blocked - it must be obviously toxic, or conflicting with other PRs.
MQT needs some adaptations to be useful in this scenario, but that's not a real issue, and is a separate discussion.

The beta branches are expected to have frequent improvements from multiple contributors.
They are not guaranteed to be correct nor API stable.
Module versions are not bumped.
People using code from it should be careful pinning Git revisions.

Module stable releases should be extracted from the beta branch and proposed to stable version branches.
Similarly to ports between major versions, this has its details in order to keep history.
It would usually be done by more experienced contributors, and we can have tools to make it easier.
Module versions should be bumped in the process.


Would to hear your comments and suggestions.

Best regards
Daniel Reis

 



 

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