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meta/watchman

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Watches files and records, or triggers actions, when they change.

11 mentions on Hacker News by 11 people: 2 stories, 9 comments · first 2013-07-20 · latest 2026-04-24

Mentions per year 11 mentions · busiest year 2024 (2)
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  1. …More relevant, I also remember that the lsyncd ( https://github.com/lsyncd/lsyncd ) and watchman ( https://github.com/facebook/watchman ) codebases were really good sources of "what didn't I think of" information in this area. But…
    comment by zbentley · 2026-04-24 · in Show HN: Honker – Postgres NOTIFY/LISTEN Semantics for SQLite
  2. …Meta, in EdenFS ( https://github.com/facebook/sapling/blob/main/eden/fs/docs/O... ) and Watchman: https://github.com/facebook/watchman . What you're describing is reasonably similar to EdenFS, except EdenFS runs in userspace. Watchman…
    comment by sunshowers · 2025-09-03 · in Jujutsu for everyone
  3. …repo status or otherwise small operations will cause a snapshot. But you can integrate with https://github.com/facebook/watchman/ in order to have a truly daemon-ified option where any filesystem write will cause a snapshot to be taken.
    comment by aseipp · 2024-10-19 · in Steve's Jujutsu Tutorial
  4. …one has to use something like Watchman [1] to track changes without a rather noticeable delay. [1]: https://github.com/facebook/watchman
    comment by nine_k · 2022-07-05 · in What comes after Git
  5. Fantastic suggestion! I will give this a go soon. https://github.com/facebook/watchman/tree/master/rust/serde_...
    comment by jgavris · 2018-05-31 · in Show HN: Fast `git status` (git core.fsmonitor in Rust)
  6. Although the daemon doesn't automatically build things. Buck does use watchman ( https://github.com/facebook/watchman ) to watch files though, and it has a way to run commands when files change: https://facebook.github.io/watchman/docs/watc…
    comment by sdwilsh · 2017-03-14 · in Buck – A build system developed and used by Facebook
  7. …what i can discover online, twitter has a patched version of git that integrates with watchman ( https://github.com/facebook/watchman )
    comment by setheron · 2016-05-06 · in How does Google handle `git status`
  8. watchman ( https://github.com/facebook/watchman ) is cross platform.
    comment by sulam · 2015-08-26 · in A heads up display for git
  9. …has been discussed a couple of times for git as well but nothing has come of it so far [2]. [1] https://github.com/facebook/watchman [2] http://git.661346.n2.nabble.com/inotify-to-minimize-stat-cal...
    comment by mindjiver · 2014-01-07 · in Scaling Mercurial at Facebook