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Why Facebook does not use Git – and why most other devs do • DEVCLASS (devclass.com)
submitted 2 years ago by 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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[–] 8 points 2 years ago

There’s also a whole industry of ex-Googlers reimplementing Google tooling as SaaS services to sell to other ex-Googlers at other companies.

There’s even a lookup table: https://github.com/jhuangtw/xg2xg

(some of those are open source projects, some are SaaS services)

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