[Bf-docboard] Docs: Migrating from SVN to Git + Git LFS

[Yves Bodson]

thanks and very opportun..

On Wed, Feb 19, 2020 at 7:18 PM Aaron Carlisle <carlisle.b3d at gmail.com>
wrote:

> Hi Blender Developers and Blender Documenters,
>
> Over the years SVN, has caused several headaches from server database
> corruptions to terrible download performance to poor branching support.
> I believe it is time that we migrate from SVN to Git to some of our
> projects,
> notably, the documentation project. The issue has been in the past that
> Git has
> terrible support for binary files resulting in large download and
> repository sizes.
> Over the years several hacks were made to make Git work with binary files
> but
> their implementation was poor and those projects have since died.
>
> There is however one project that made a proper implementation and over
> the years
> has grown in both popularity and stability/reliability, this being Git
> Large File Support (Git + LFS).
> I will not go into the details of how  Git + LFS works but it is described
> well in the video [1].
>
> Implementation on the client-side is easy, simply make sure Git LFS is
> installed.
> Server-side implementation is a bit trickier, as there is no official
> implementation.
> Many open-source implementations exist however are documented here: [2]
>
> I have set up a test project on GitHub [3], if people want commit access
> for testing
> purpose let me know.
>
> Converting the documentation project to Git + LFS will involve converting
> both the
> main repository and the translations repository. Unflortiantly,
> translators will lose the
> ability to checkout only there languages however once implementing Weblate
> [4]
> translators will no longer directly interact with the repository.
>
> The primary focus of this is to test how well Git + LFS will work for us
> and the community.
> A goal in moving to Git + LFS is to make it easier to contribute to
> Blender,
> a couple of weeks ago I had to help two already Blender contributors learn
> SVN over Git.
> If it is a success for us and the community then efforts can be made into
> converting
> other repositories as well. For example, the main Blender translation
> repository,
> and Blender's pre-compiled libraries.
>
> A useful article I found from a game production studio that also made the
> switch
> is a very helpful and talks about why they made the switch along with the
> process they took.
> I have linked the article below [5].
>
> 1. https://youtu.be/uLR1RNqJ1Mw
> 2. https://github.com/git-lfs/git-lfs/wiki/Implementations
> 3. https://github.com/Blendify/blender-manual
> 4. https://developer.blender.org/T68588
> 5.
> https://labs.karmaninteractive.com/svn-to-git-its-about-time-ae4c468549be
>
> Thanks for reading,
>
> Aaron Carlisle
>
> Project administrator for the Blender 3D Documentation Project
> Email: carlisle.b3d at gmail.com
>
>
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