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https://github.com/evilmartians/lefthook

Fast and powerful Git hooks manager for any type of projects.
https://github.com/evilmartians/lefthook

git go golang hacktoberfest hooks lefthook manager

Last synced: 6 days ago
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Fast and powerful Git hooks manager for any type of projects.

Host: GitHub
URL: https://github.com/evilmartians/lefthook
Owner: evilmartians
License: mit
Created: 2019-02-05T14:00:56.000Z (almost 6 years ago)
Default Branch: master
Last Pushed: 2024-10-29T07:42:34.000Z (3 months ago)
Last Synced: 2024-10-29T22:53:45.373Z (2 months ago)
Topics: git, go, golang, hacktoberfest, hooks, lefthook, manager
Language: Go
Homepage:
Size: 80.3 MB
Stars: 4,915
Watchers: 26
Forks: 216
Open Issues: 53
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG.md
- Contributing: CONTRIBUTING.md
- License: LICENSE
- Security: SECURITY.md

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README

        ![Build Status](https://github.com/evilmartians/lefthook/actions/workflows/test.yml/badge.svg?branch=master)

[![Coverage Status](https://coveralls.io/repos/github/evilmartians/lefthook/badge.svg?branch=master)](https://coveralls.io/github/evilmartians/lefthook?branch=master)

# Lefthook

> The fastest polyglot Git hooks manager out there



A Git hooks manager for Node.js, Ruby, Python and many other types of projects.

* **Fast.** It is written in Go. Can run commands in parallel.

* **Powerful.** It allows to control execution and files you pass to your commands.

* **Simple.** It is single dependency-free binary which can work in any environment.

📖 [Documentation][documentation]

📖 [Read the introduction post](https://evilmartians.com/chronicles/lefthook-knock-your-teams-code-back-into-shape?utm_source=lefthook)





## Install

With **Go** (>= 1.23):

```bash

go install github.com/evilmartians/lefthook@latest

```

With **NPM**:

```bash

npm install lefthook --save-dev

```

For **Ruby**:

```bash

gem install lefthook

```

For **Python**:

```bash

pip install lefthook

```

**[Installation guide][installation]** with more ways to install lefthook: [apt][install-apt], [brew][install-brew], [winget][install-winget], and others.

## Usage

Configure your hooks, install them once and forget about it: rely on the magic underneath.

#### TL;DR

```bash

# Configure your hooks

vim lefthook.yml

# Install them to the git project

lefthook install

# Enjoy your work with git

git add -A && git commit -m '...'

```

#### More details

- [**Configuration**][configuration] for `lefthook.yml` config options.

- [**Usage**][usage] for **lefthook** CLI options, supported ENVs, and usage tips.

- [**Discussions**][discussion] for questions, ideas, suggestions.

## Why Lefthook

* ### **Parallel execution**

Gives you more speed. [docs][config-parallel]

```yml

pre-push:

  parallel: true

```

* ### **Flexible list of files**

If you want your own list. [Custom][config-files] and [prebuilt][config-run] examples.

```yml

pre-commit:

  commands:

    frontend-linter:

      run: yarn eslint {staged_files}

    backend-linter:

      run: bundle exec rubocop --force-exclusion {all_files}

    frontend-style:

      files: git diff --name-only HEAD @{push}

      run: yarn stylelint {files}

```

* ### **Glob and regexp filters**

If you want to filter list of files. You could find more glob pattern examples [here](https://github.com/gobwas/glob#example).

```yml

pre-commit:

  commands:

    backend-linter:

      glob: "*.rb" # glob filter

      exclude: '(^|/)(application|routes)\.rb$' # regexp filter

      run: bundle exec rubocop --force-exclusion {all_files}

```

* ### **Execute in sub-directory**

If you want to execute the commands in a relative path

```yml

pre-commit:

  commands:

    backend-linter:

      root: "api/" # Careful to have only trailing slash

      glob: "*.rb" # glob filter

      run: bundle exec rubocop {all_files}

```

* ### **Run scripts**

If oneline commands are not enough, you can execute files. [docs][config-scripts]

```yml

commit-msg:

  scripts:

    "template_checker":

      runner: bash

```

* ### **Tags**

If you want to control a group of commands. [docs][config-tags]

```yml

pre-push:

  commands:

    packages-audit:

      tags:

        - frontend

        - linters

      run: yarn lint

    gems-audit:

      tags:

        - backend

        - security

      run: bundle audit

```

* ### **Support Docker**

If you are in the Docker environment. [docs][config-run]

```yml

pre-commit:

  scripts:

    "good_job.js":

      runner: docker run -it --rm  {cmd}

```

* ### **Local config**

If you a frontend/backend developer and want to skip unnecessary commands or override something into Docker. [docs][usage-local-config]

```yml

# lefthook-local.yml

pre-push:

  exclude_tags:

    - frontend

  commands:

    packages-audit:

      skip: true

```

* ### **Direct control**

If you want to run hooks group directly.

```bash

$ lefthook run pre-commit

```

* ### **Your own tasks**

If you want to run specific group of commands directly.

```yml

fixer:

  commands:

    ruby-fixer:

      run: bundle exec rubocop --force-exclusion --safe-auto-correct {staged_files}

    js-fixer:

      run: yarn eslint --fix {staged_files}

```

```bash

$ lefthook run fixer

```

* ### **Control output**

You can control what lefthook prints with [output][config-output] option.

```yml

output:

  - execution

  - failure

```

----

### Guides

* [Install with Node.js][install-node]

* [Install with Ruby][install-ruby]

* [Install with Homebrew][install-brew]

* [Install with Winget][install-winget]

* [Install for Debian-based Linux][install-apt]

* [Install for RPM-based Linux][install-rpm]

* [Install for Arch Linux][install-arch]

* [Install for Alpine Linux][install-alpine]

* [Usage][usage]

* [Configuration][configuration]

### Examples

Check [examples][examples]

### Articles

* [5 cool (and surprising) ways to configure Lefthook for automation joy](https://evilmartians.com/chronicles/5-cool-and-surprising-ways-to-configure-lefthook-for-automation-joy?utm_source=lefthook)

* [Lefthook: Knock your team’s code back into shape](https://evilmartians.com/chronicles/lefthook-knock-your-teams-code-back-into-shape?utm_source=lefthook)

* [Lefthook + Crystalball](https://evilmartians.com/chronicles/lefthook-crystalball-and-git-magic?utm_source=lefthook)

* [Keeping OSS documentation in check with docsify, Lefthook, and friends](https://evilmartians.com/chronicles/keeping-oss-documentation-in-check-with-docsify-lefthook-and-friends?utm_source=lefthook)

* [Automatically linting docker containers](https://dev.to/nitzano/linting-docker-containers-2lo6?utm_source=lefthook)

* [Smooth PostgreSQL upgrades in DockerDev environments with Lefthook](https://dev.to/palkan_tula/smooth-postgresql-upgrades-in-dockerdev-environments-with-lefthook-203k?utm_source=lefthook)

* [Lefthook for React/React Native apps](https://blog.logrocket.com/deep-dive-into-lefthook-react-native?utm_source=lefthook)

[documentation]: https://evilmartians.github.io/lefthook/

[configuration]: https://evilmartians.github.io/lefthook/configuration/index.html

[examples]: https://evilmartians.github.io/lefthook/examples/index.html

[installation]: https://evilmartians.github.io/lefthook/installation/

[usage]: https://evilmartians.github.io/lefthook/usage/index.html

[discussion]: https://github.com/evilmartians/lefthook/discussions

[install-apt]: https://evilmartians.github.io/lefthook/installation/deb.html

[install-ruby]: https://evilmartians.github.io/lefthook/installation/ruby.html

[install-node]: https://evilmartians.github.io/lefthook/installation/node.html

[install-brew]: https://evilmartians.github.io/lefthook/installation/homebrew.html

[install-winget]: https://evilmartians.github.io/lefthook/installation/winget.html

[install-rpm]: https://evilmartians.github.io/lefthook/installation/rpm.html

[install-arch]: https://evilmartians.github.io/lefthook/installation/arch.html

[install-alpine]: https://evilmartians.github.io/lefthook/installation/alpine.html

[config-parallel]: https://evilmartians.github.io/lefthook/configuration/parallel.html

[config-files]: https://evilmartians.github.io/lefthook/configuration/files.html

[config-glob]: https://evilmartians.github.io/lefthook/configuration/glob.html

[config-run]: https://evilmartians.github.io/lefthook/configuration/run.html

[config-scripts]: https://evilmartians.github.io/lefthook/configuration/Scripts.html

[config-tags]: https://evilmartians.github.io/lefthook/configuration/tags.html

[config-skip_output]: https://evilmartians.github.io/lefthook/configuration/skip_output.html

[config-output]: https://evilmartians.github.io/lefthook/configuration/output.html

[usage-local-config]: https://evilmartians.github.io/lefthook/usage/tips.html#local-config