Lefthook
The fastest polyglot Git hooks manager out there
Fast and powerful Git hooks manager for Node.js, Ruby or any other type 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.
📖 Read the introduction post
Install
With Go (>= 1.21):
go install github.com/evilmartians/lefthook@latest
With NPM:
npm install lefthook --save-dev
With Ruby:
gem install lefthook
Installation guide with more different installation instructions.
Usage
Lefthook is easy to use. Once you configure and setup you can forget that it even exists and rely on the magic underneath.
See:
- Usage of lefthook CLI utility.
- Configuration details for
lefthook.yml
- Wiki for other information.
- Discussions if you want to ask a question, suggest a feature, or report a bug.
Why Lefthook
Gives you more speed. Example
pre-push:
parallel: true
If you want your own list. Custom and prebuilt examples.
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}
If you want to filter list of files. You could find more glob pattern examples here.
pre-commit:
commands:
backend-linter:
glob: "*.rb"
exclude: "application.rb|routes.rb"
run: bundle exec rubocop --force-exclusion {all_files}
If you want to execute the commands in a relative path
pre-commit:
commands:
backend-linter:
root: "api/"
glob: "*.rb"
run: bundle exec rubocop {all_files}
If oneline commands are not enough, you can execute files. Example.
commit-msg:
scripts:
"template_checker":
runner: bash
If you want to control a group of commands. Example.
pre-push:
commands:
packages-audit:
tags: frontend security
run: yarn audit
gems-audit:
tags: backend security
run: bundle audit
If you are in the Docker environment. Example.
pre-commit:
scripts:
"good_job.js":
runner: docker run -it --rm <container_id_or_name> {cmd}
If you a frontend/backend developer and want to skip unnecessary commands or override something into Docker. Description.
pre-push:
exclude_tags:
- frontend
commands:
packages-audit:
skip: true
If you want to run hooks group directly.
$ lefthook run pre-commit
If you want to run specific group of commands directly.
fixer:
commands:
ruby-fixer:
run: bundle exec rubocop --force-exclusion --safe-auto-correct {staged_files}
js-fixer:
run: yarn eslint --fix {staged_files}
$ lefthook run fixer
If you don't want to see supporting information:
skip_output:
- meta
- success
Table of contents:
Guides
Migrate from
Examples
Benchmarks
Comparison list
Articles