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https://github.com/jish/pre-commit
A slightly improved pre-commit hook for git
https://github.com/jish/pre-commit
git ruby
Last synced: 6 days ago
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A slightly improved pre-commit hook for git
- Host: GitHub
- URL: https://github.com/jish/pre-commit
- Owner: jish
- License: other
- Created: 2010-11-29T20:02:17.000Z (about 14 years ago)
- Default Branch: master
- Last Pushed: 2023-10-31T03:28:01.000Z (over 1 year ago)
- Last Synced: 2025-02-07T06:11:13.702Z (13 days ago)
- Topics: git, ruby
- Language: JavaScript
- Homepage: https://jish.github.io/pre-commit/
- Size: 8.56 MB
- Stars: 797
- Watchers: 12
- Forks: 96
- Open Issues: 18
-
Metadata Files:
- Readme: Readme.md
- Changelog: changelog.md
- Contributing: .github/CONTRIBUTING.md
- License: LICENSE
Awesome Lists containing this project
README
A better pre-commit hook for git.
[](https://rubygems.org/gems/pre-commit)
[](https://codeclimate.com/github/jish/pre-commit)
[](https://coveralls.io/r/jish/pre-commit?branch=master)
[](https://travis-ci.org/jish/pre-commit)
[](https://gemnasium.com/jish/pre-commit)
[](http://www.rubydoc.info/gems/pre-commit/frames)
## Installation
Install the gem
$ gem install pre-commit
Use the pre-commit command to generate a stub pre-commit hook
# In your git repo
$ pre-commit install
This creates a .git/hooks/pre-commit script which will check your git config and run checks that are enabled.
### Bundler
If you want to use Bundler to specify a version of RuboCop, add the following to `Gemfile`:
```ruby
group :development do
gem "pre-commit", require: false
gem "rubocop", require: false
end
```
And run the following to run `pre-commit` via Bundler:
```
$ git config pre-commit.ruby "bundle exec ruby"
```
### RVM
If you are using rvm you need to install pre-commit into the ```default``` gemset, because it does not use the ```current``` environment
$ rvm default do gem install pre-commit
Alternatively you can configure pre-commit to use the ```current``` rvm gemset
$ git config pre-commit.ruby "rvm `rvm current` do ruby" # OR:
$ git config pre-commit.ruby `rvm wrapper current show ruby` # available in RVM 1.26.12
## Available checks
These are the available checks:
* white_space
* console_log
* debugger
* pry
* tabs
* jshint
* js_lint
* php (Runs php -l on all staged files)
* rspec_focus (Will check if you are about to check in a :focus in a spec file)
* ruby_symbol_hashrockets (1.9 syntax. BAD :foo => "bar". GOOD foo: "bar")
* local (executes `config/pre-commit.rb` with list of changed files)
* merge_conflict (Will check if you are about to check in a merge conflict)
* migrations (Will make sure you check in the proper files after creating a Rails migration)
* ci (Will run the `pre_commit:ci` rake task and pass or fail accordingly)
* rubocop (Check ruby code style using the rubocop gem. Rubocop must be installed)
* before_all (Check your RSpec tests for the use of `before(:all)`)
* coffeelint (Check your coffeescript files using the [coffeelint gem.](https://github.com/clutchski/coffeelint))
* gobuild (Runs go build and fails if can't compile)
* gofmt (Runs go fmt on go source files and fail if formatting is incorrect)
* scss_lint (Check your SCSS files using the [scss-lint gem](https://github.com/brigade/scss-lint))
* yaml (Check that your YAML is parsable)
* json (Checks if JSON is parsable)
## Default checks
Use `pre-commit list` to see the list of default and enabled checks and warnings.
## Enabling / Disabling Checks / Warnings
### Git configuration
git config pre-commit.checks "[whitespace, jshint, debugger]"
To disable, simply leave one off the list
git config pre-commit.checks "[whitespace, jshint]"
### CLI configuration
```ssh
pre-commit check1 [check2...]
```
The `git` provider can be used for local machine configuration, the `yaml` can be used for shared
project configuration.
Example move `jshint` from `checks` to `warnings` in `yaml` provider and save configuration to git:
```bash
pre-commit disable yaml checks jshint
pre-commit enable yaml warnings jshint
git add config/pre_commit.yml
git commit -m "pre-commit: move jshint from checks to warnings"
```
Example `config/pre_commit.yml`:
```yaml
---
:warnings_remove: []
:warnings_add:
- :jshint
- :tabs
```
## Running test manually
This functionality was added in version `0.17.0`
```bash
pre-commit run # run on the files added to index not yet commited
pre-commit run all # run on all files in current directory
pre-commit run git # run on all git-tracked files, respect gitignore (added in 0.19.0)
pre-commit run # run on the list of files, patterns not supported
```
## Configuration providers
`pre-commit` comes with 4 configuration providers:
- `default` - basic settings, read only
- `git` - reads configuration from `git config pre-commit.*`, allow local update
- `yaml` - reads configuration from `/etc/pre_commit.yml`, `$HOME/.pre_commit.yml` and `config/pre_commit.yml`, allows `config/pre_commit.yml` updates
- `env` - reads configuration from environment variables
## Excluding files from checks
`pre-commit` uses `git` to get list of files to check, you can ignore
the list of git files to check with:
1. `.gitignore` - git supported file shared beteen all checkouts
2. `.git/info/exclude` - git supported file only for this checkout
3. `.pre_commit.ignore` - `pre-commit` specific list can be shared,
[Allowed filters](http://ruby-doc.org/core-2.1.3/File.html#method-c-fnmatch)
## [Contributing](.github/CONTRIBUTING.md)