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@shaberman-forks/husky

v4.2.5-1

Published

Prevents bad commit or push (git hooks, pre-commit/precommit, pre-push/prepush, post-merge/postmerge and all that stuff...)

Downloads

257

Readme

Husky

Financial Contributors on Open Collective Mac/Linux Build Status Windows Build status

Git hooks made easy

Husky can prevent bad git commit, git push and more 🐶 woof!

Install

npm install husky --save-dev
// package.json
{
  "husky": {
    "hooks": {
      "pre-commit": "npm test",
      "pre-push": "npm test",
      "...": "..."
    }
  }
}
git commit -m 'Keep calm and commit'

Existing hooks are kept. Requires Node >= 10 and Git >= 2.13.0.

Reinstall

If Husky is already in your node_modules or pnp.js (Yarn 2) and you want to reinstall hooks, you can run npm rebuild or yarn rebuild.

Uninstall

npm uninstall husky

Git hooks installed by husky will be removed.

Financial Contributors

Become a financial contributor and help us sustain our community ❤️ [Contribute]

Organizations

Support this project with your organization. Your logo will show up here with a link to your website. [Contribute]

Gold Sponsors ($500+ / month)

Silver Sponsors ($250+ / month)

Bronze Sponsors ($100+ / month)

Individuals

Used by

Guides

Upgrading from 0.14

Run husky-upgrade to automatically upgrade your configuration:

npx --no-install husky-upgrade

You can also do it manually. Move your existing hooks to husky.hooks field and use raw Git hooks names. Also, if you were using GIT_PARAMS env variable, rename it to HUSKY_GIT_PARAMS.

{
  "scripts": {
-   "precommit": "npm test",
-   "commitmsg": "commitlint -E GIT_PARAMS"
  },
+ "husky": {
+   "hooks": {
+     "pre-commit": "npm test",
+     "commit-msg": "commitlint -E HUSKY_GIT_PARAMS"
+   }
+ }
}

Starting with 1.0.0, husky can be configured using .huskyrc, .huskyrc.json, .huskyrc.yaml, huskyrc.yml, .huskyrc.js or husky.config.js file.

// .huskyrc
{
  "hooks": {
    "pre-commit": "npm test"
  }
}

Supported hooks

Husky supports all Git hooks defined here. Server-side hooks (pre-receive, update and post-receive) aren't supported.

Access Git params and stdin

Git hooks can get parameters via command-line arguments and stdin. Husky makes them accessible via HUSKY_GIT_PARAMS and HUSKY_GIT_STDIN environment variables.

"commit-msg": "echo $HUSKY_GIT_PARAMS"

Skip all hooks (rebase)

During a rebase you may want to skip all hooks, you can use HUSKY_SKIP_HOOKS environment variable.

HUSKY_SKIP_HOOKS=1 git rebase ...

Disable auto-install

If you don't want husky to automatically install Git hooks, simply set HUSKY_SKIP_INSTALL environment variable.

HUSKY_SKIP_INSTALL=1 npm install

CI servers

By default, Husky won't install on CI servers.

Monorepos

If you have a multi-package repository, it's recommended to use tools like lerna and have husky installed ONLY in the root package.json to act as the source of truth.

Generally speaking, you should AVOID defining husky in multiple package.json, as each package would overwrite previous husky installation.

.
└── root
    ├── .git
    ├── package.json 🐶 # Add husky here
    └── packages
        ├── A
        │   └── package.json
        ├── B
        │   └── package.json
        └── C
            └── package.json
// root/package.json
{
  "private": true,
  "devDependencies": {
    "husky": "..."
  },
  "husky": {
    "hooks": {
      "pre-commit": "lerna run test"
    }
  }
}

Node version managers

If you're on Windows, husky will simply use the version installed globally on your system.

For macOS and Linux users:

  • if you're running git commands in the terminal, husky will use the version defined in your shell PATH. In other words, if you're a nvm user, husky will use the version that you've set with nvm.
  • if you're using a GUI client and nvm, it may have a different PATH and not load nvm, in this case the highest node version installed by nvm will usually be picked. You can also check ~/.node_path to see which version is used by GUIs and edit if you want to use something else.

Local commands (~/.huskyrc)

Husky will source ~/.huskyrc file if it exists before running hook scripts. You can use it, for example, to load a node version manager or run some shell commands before hooks.

# ~/.huskyrc
export NVM_DIR="$HOME/.nvm"
[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"

Multiple commands

By design and just like scripts defined in package.json, husky will run hook scripts as a single command.

"pre-commit": "cmd && cmd"

That said, if you prefer to use an array, the recommended approach is to define them in .huskyrc.js or husky.config.js.

const tasks = arr => arr.join(' && ')

module.exports = {
  'hooks': {
    'pre-commit': tasks([
      'cmd',
      'cmd'
    ])
  }
}

Tools like npm-run-all can help too.

Troubleshoot

Debug messages

HUSKY_DEBUG=1 can provide additional information when running commands.

HUSKY_DEBUG=1 npm install husky --save-dev
HUSKY_DEBUG=1 git commit ...

Hooks aren't running

Check if hooks were installed. Verify that .git/hooks/pre-commit exists and have husky code. It should start with:

#!/bin/sh
# husky...

If not, you may have another Git hooks manager defined in your package.json overwriting husky's hooks. Check also the output during install, you should see:

husky > Setting up git hooks
husky > Done

Commits aren't blocked

For a commit to be blocked, pre-commit script must exit with a non-zero exit code. If you commit isn't blocked, check your script exit code.

Commits are slow

Husky is fast and only adds a few tenth of seconds to commits (~0.3s on a low-end PC). So it's most probably related to how many things are done during pre-commit. You can often improve this by using cache on your tools (babel, eslint, ...) and using lint-staged.

Testing husky in a new repo

To isolate your issue, you can also create a new repo:

mkdir foo && cd foo
git init && npm init -y
npm install husky --save-dev

# Add a failing pre-commit hook to your package.json:
# "pre-commit": "echo \"this should fail\" && exit 1"

# Make a commit

ENOENT error 'node_modules/husky/.git/hooks'

Verify that your version of Git is >=2.13.0.

See also

  • pkg-ok - Prevents publishing a module with bad paths or incorrect line endings
  • please-upgrade-node - Show a message to upgrade Node instead of a stacktrace in your CLIs
  • pinst - dev only postinstall hook

Patreon

People and companies supporting via Patreon: thanks

License

MIT