this post was submitted on 18 Jul 2024
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Why Facebook does not use Git – and why most other devs do • DEVCLASS (devclass.com)
submitted 3 months ago by AnActOfCreation@programming.dev to c/programming@programming.dev
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  • Facebook does not use Git due to scale issues with their large monorepo, instead opting for Mercurial.
  • Mercurial may be a better option for large monorepos, but Git has made improvements to support them better.
  • Despite some drawbacks, Git usage remains dominant with 93.87% share, due to familiarity, additional tools, and industry trends.
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[–] FizzyOrange@programming.dev 2 points 3 months ago (1 children)

That's exactly the same in git. The old commits are still there, they just don't show up in git log because nothing points to them.

[–] aport@programming.dev 1 points 3 months ago (1 children)

Old, unreachable commits will be garbage collected.

[–] FizzyOrange@programming.dev 2 points 3 months ago (1 children)

Does that not happen with Mercurial? If not that seems like a point against it.

[–] aport@programming.dev 1 points 3 months ago (1 children)

I'm confused, the behavior you just said was "exactly the same in git" is now a problem for Mercurial?

[–] FizzyOrange@programming.dev 1 points 3 months ago (1 children)

I thought it was exactly the same based on the description.

[–] wewbull@feddit.uk 1 points 3 months ago* (last edited 3 months ago)

No the old commit is always there, marked as obsolete with the information of what it became. No holes in history. (Assuming you use the obsolecense markers)