Purpose

Watchman exists to watch files and record when they actually change. It can also trigger actions (such as rebuilding assets) when matching files change.

Documentation

Head on over to https://facebook.github.io/watchman/

License

Watchman is made available under the terms of the MIT License. See the LICENSE file that accompanies this distribution for the full text of the license.

Support

Watchman is primarily maintained by the source control team at Meta Platforms, Inc. We support:

• Windows and macOS builds
• Linux builds on recent Ubuntu and Fedora releases
• Watchman's compatibility commitment
• Python, Rust, and JavaScript clients

Support for additional operating systems, release packaging, and language bindings is community-maintained:

• Homebrew
• FreeBSD
• Solaris

Please submit a GitHub issue to report any troubles.

Contributing

Please see the contributing document.