watchman

{
  "aliases": [],
  "alternatives": [
    "inotify-tools",
    "fswatch",
    "chokidar",
    "entr"
  ],
  "build_dependencies": [
    "cmake",
    "cpptoml",
    "gflags",
    "googletest",
    "libevent",
    "mvfst",
    "openssl@4",
    "pkgconf",
    "python-setuptools",
    "rust"
  ],
  "categories": [
    "file-utility",
    "sysadmin"
  ],
  "caveats": null,
  "conflicts_with": [],
  "dependencies": [
    "edencommon",
    "fb303",
    "fbthrift",
    "fmt",
    "folly",
    "glog",
    "pcre2",
    "python@3.14"
  ],
  "deprecated": 0,
  "deprecation_reason": null,
  "desc": "Watch files and take action when they change",
  "disable_reason": null,
  "disabled": 0,
  "enrichment_fetched_at": "2026-06-20T23:40:44+00:00",
  "first_seen": "2026-06-20T23:34:18+00:00",
  "full_name": "watchman",
  "github_default_branch": null,
  "github_last_commit_at": null,
  "github_readme_excerpt": null,
  "github_repo": null,
  "github_stars": null,
  "github_topics": [],
  "homepage": "https://facebook.github.io/watchman/",
  "homepage_og_description": "Watches files and records, or triggers actions, when they change.",
  "homepage_og_image": "https://facebook.github.io/watchman/img/watchman-social-card.png",
  "homepage_title": "Watchman - A file watching service | Watchman",
  "installs_30d": 24070,
  "installs_365d": 315017,
  "installs_90d": 68767,
  "keg_only": 0,
  "keg_only_reason": null,
  "last_seen": "2026-06-20T23:34:18+00:00",
  "license": "MIT",
  "llm_generated_at": "2026-06-20T23:43:25+00:00",
  "llm_model": "claude-haiku-4-5",
  "name": "watchman",
  "oldnames": [],
  "one_liner": "File watching service that monitors filesystem changes and triggers actions in response.",
  "optional_dependencies": [],
  "rank_30d": 211,
  "rank_365d": 207,
  "rank_90d": 227,
  "raw_hash": "702af7ed6d7d4cfb",
  "recommended_dependencies": [],
  "revision": 0,
  "ruby_source_path": "Formula/w/watchman.rb",
  "tap": "homebrew/core",
  "test_dependencies": [],
  "uses_from_macos": [],
  "version_head": "HEAD",
  "version_stable": "2026.06.15.00",
  "versioned_formulae": [],
  "why_use_this": "Fast, recursive file monitoring across large codebases\u2014used by Facebook/Meta\u0027s build systems and development tools. Scales better than naive polling or single-directory watchers; integrates with IDEs, test runners, and build systems (especially useful for development workflows needing instant feedback on file changes)."
}