The fastest polyglot Git hooks manager out there
A Git hooks manager for Node.js, Ruby, Python and many other types of projects.
With Go (>= 1.23):
go install github.com/evilmartians/lefthook@latest
With NPM:
npm install lefthook --save-dev
For Ruby:
gem install lefthook
For Python:
pip install lefthook
Installation guide with more ways to install lefthook: apt, brew, winget, and others.
Configure your hooks, install them once and forget about it: rely on the magic underneath.
# 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 '...'
lefthook.yml config options.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" # glob filter
exclude: '(^|/)(application|routes)\.rb$' # regexp filter
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/" # Careful to have only trailing slash
glob: "*.rb" # glob filter
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.
# lefthook-local.yml
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 #(version and which hook running)
- success #(output from runners with exit code 0)
FAQs
Simple git hooks manager
The npm package lefthook receives a total of 237,326 weekly downloads. As such, lefthook popularity was classified as popular.
We found that lefthook demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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