watchman

Install command: 
brew install watchman

Watch files and take action when they change

https://facebook.github.io/watchman/

License: MIT

Development: Pull requests

Formula JSON API: /api/formula/watchman.json

Formula code: watchman.rb on GitHub

Bottle (binary package) installation support provided for:

macOS on
Apple Silicon		 tahoe ✅
sequoia ✅
sonoma ✅
macOS on
Intel		 sonoma ✅
Linux ARM64 ✅
x86_64 ✅

Current versions:

stable ✅ 2026.07.27.00
head ⚡️ HEAD

Revision: 1

Depends on:

edencommon 2026.07.27.00 Shared library for Watchman and Eden projects
fb303 2026.07.27.00 Thrift functions for querying information from a service
fbthrift 2026.07.27.00 Facebook's branch of Apache Thrift, including a new C++ server
fmt 12.2.0 Open-source formatting library for C++
folly 2026.07.27.00 Collection of reusable C++ library artifacts developed at Facebook
glog 0.7.1 Application-level logging library
pcre2 10.48 Perl compatible regular expressions library with a new API
python@3.14 3.14.7 Interpreted, interactive, object-oriented programming language

Depends on when building from source:

cmake 4.4.3 Cross-platform make
cpptoml 0.1.1 Header-only library for parsing TOML
gflags 2.3.1 Library for processing command-line flags
googletest 1.18.0 Google Testing and Mocking Framework
libevent 2.1.13 Asynchronous event library
mvfst 2026.07.27.00 QUIC transport protocol implementation
openssl@4 4.0.2 Cryptography and SSL/TLS Toolkit
pkgconf 3.0.7 Package compiler and linker metadata toolkit
python-setuptools 84.0.0 Easily download, build, install, upgrade, and uninstall Python packages
rust 1.98.1 Safe, concurrent, practical language

Binaries: watchman, watchman-diag, watchman-make, watchman-replicate-subscription, watchman-wait, watchmanctl

Analytics:

30 days90 days365 days
Installs12,18952,185270,928
Installs (--HEAD)27114679
Installs on Request12,17852,109270,552
Installs on Request (--HEAD)27114670
Build Errors4
Build Errors (--HEAD)3