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https://github.com/markstory/lint-review

An automated code linting bot that integrates various code lint tools with github pull requests.
https://github.com/markstory/lint-review

eslint flask-application javascript linter lua php phpcs python rubocop ruby tslint

Last synced: 8 days ago
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An automated code linting bot that integrates various code lint tools with github pull requests.

Host: GitHub
URL: https://github.com/markstory/lint-review
Owner: markstory
License: mit
Created: 2013-01-21T00:43:26.000Z (almost 12 years ago)
Default Branch: master
Last Pushed: 2022-01-06T22:23:37.000Z (almost 3 years ago)
Last Synced: 2024-10-14T10:32:02.128Z (20 days ago)
Topics: eslint, flask-application, javascript, linter, lua, php, phpcs, python, rubocop, ruby, tslint
Language: Python
Homepage: https://stickler-ci.com
Size: 15.8 MB
Stars: 296
Watchers: 10
Forks: 74
Open Issues: 15
Metadata Files:
- Readme: README.mdown
- License: LICENSE

Awesome Lists containing this project

starred-awesome - lint-review - An automated code linting bot that integrates various code lint tools with github pull requests. (Python)

README

# Lint Review

[![Build Status](https://github.com/markstory/lint-review/workflows/ci/badge.svg)](https://github.com/markstory/lint-review/actions)
[![codecov.io](https://codecov.io/github/markstory/lint-review/coverage.svg?branch=master)](https://codecov.io/github/markstory/lint-review?branch=master)
[![Docker Pulls](https://img.shields.io/docker/pulls/markstory/lint-review.svg?maxAge=2592000)](https://hub.docker.com/r/markstory/lint-review/)
[![Docker Stars](https://img.shields.io/docker/stars/markstory/lint-review.svg?maxAge=2592000)](https://hub.docker.com/r/markstory/lint-review/)

Lint Review helps automate a tedious part of code review - enforcing coding
standards. By using the GitHub API Lint Review runs a repository's configured linters
and updates pull requests with line comments where lint errors would be introduced.

Lint Review requires:

* Python 3.6+
* RabbitMQ (or any other Message broker that is compatible with Celery)
* A publically addressable hostname/IP that either GitHub or your github:enterprise
can reach.
* A GitHub account with read/write access to the repositories you want linted. This
account is used to post comments on pull reviews.
* Docker as all tools are executed in containers.

Lint Review runs as two processes. A web process handles accepting webhooks from
github, and a celery process handles cloning repositories and running containers
for lint tools.

## Hosted Lint Reviews

If you don't want to go through the trouble of setting up your own installation
of lint-review, [stickler-ci.com provides a hosted version of
lint-review](https://stickler-ci.com) featuring all the linters installed, and
an easier to use YAML config file.

In the free plan, Stickler CI provides the following for open source projects:

- Hosted service
- Connection to public repositories
- Commenting on style errors
- Auto fixing for style errors
- Clean user interface
- Robust documentation
- Automatic upgrades for linting tools.

A paid plan of Stickler CI allows you to enable private repositories
and fine grained access control to repositories via the GitHubApp integration.

## Installation

You install Lint Review by cloning the repository and installing dependecies,
or by using docker. If you are not using docker, it is recommended that you use
`virtualenv` to save shaving yaks down the road.

```bash
git clone git://github.com/markstory/lint-review.git
cd lint-review
virtualenv env
source env/bin/activate
pip install .
```

## Make docker images for tools you want to use

In addition to installing the dependencies for lint-review you will also need to
build the containers for each lint tool you want to use:

```bash
# Create a set of images for frequently used tools.
make images
````

Once the dependencies are installed you should configure the repositories you
want to review.

## Running lintreview services in Docker

To use docker, you'll need to install both docker, docker-compose and possibly
docker toolbox depending on your operating system. Once you have the docker
installed, you can boot up lint-review into docker using:

```bash
docker-compose up -d broker worker web
```

Edit `docker-compose.yml` and customise your configuration by setting keys under
environment for the web and worker processes. For the most basic installation
you'll need to set `GITHUB_OAUTH_TOKEN`, and `LINTREVIEW_SERVER_NAME`.

## Lint Review Configuration

Lint review is configured through a settings file. Both the web app and celery process
share the same configuration file, so configuration is easier to manage and share.

* Copy the `settings.sample.py` to `settings.py`
* Edit the required configuration options, or set the correct environment variables.
* Set the `LINTREVIEW_SETTINGS` environment variable to the path
of your configuration files. In \*nix system this can be done via:

export LINTREVIEW_SETTINGS='/path/to/settings.py'

* You can skip setting `LINTREVIEW_SETTINGS` if you're running lintreview from
a directory containing your `settings.py` file.

You can also have per install configuration files by defining the
`LINTRC_DEFAULTS` config option in your settings file. This file should be
a `.lintrc` config file. It will be merged with each projects `.lintrc` before
running tools. This gives you an easy way to have global configuration for
tools.

## Setting up Repositories

Once you've configured the server processes, it is time to setup some
repositories to be checked.

### Installing GitHub hooks

Before Lint Review can check pull requests on a repository webhooks will need
to be installed. You can install webhooks by running the built-in command line
tool:

```bash
source env/bin/activate
lintreview register mark awesome-stuff
```

Or, if you're using Docker:

```bash
docker-compose run web lintreview register mark awesome-stuff
```

The above register webhooks for the given user & repository. You can use the
`--user` and `--password` options to provide the repository admin credentials
if the user lint-review runs as does not have admin access to the repository.
You can also use the cli tool to remove webhooks:

```bash
source env/bin/activate
lintreview unregister mark awesome-stuff
```

**Warning** The current web server name will be registered with github. Make sure
it is configured properly before registering hooks, or you'll need to remove
any registered hooks and start over.

### .lintrc files

Lint Review use hidden ini files to configure the tools used on each project.
The `.lintrc` file defines the various linting tools and any arguments for each
one. Lint tools must be tools Lint Review knows about. See [lint
tools](#lint-tools) for available tools. A sample `.lintrc` file would look
like.

```ini
[files]
ignore = generated/*
vendor/*

[tools]
linters = pep8, jshint

[tool_pep8]
ignore = W2,E401

[tool_jshint]
config = path/to/jshint.json
```

The `[tools]` section is required, and `linters` should be a list of linters
your project uses. Each tool can also have a section prefixed with `tool_` to
define additional configuration options for each tool. The documentation for
each tool outlines which options are supported.

The `[files]` section is optional and allows you to define ignore patterns.
These patterns are used to find and exclude files when doing a review. Ignore
patterns use glob expressions to find files. The patterns start at the reviewed
repository root. If you need to ignore mulitple patterns separate them with new
lines.

## Running Lint Review

After setting up configuration you'll need to start up both processes:

```bash
source env/bin/activate
gunicorn -c settings.py lintreview.web:app
celery -A lintreview.tasks worker
```

Now when ever a pull request is opened or updated for a registered repository
new jobs will be spun up and lint will be checked and commented on.

## Lint tools

### Python:

#### Flake8

Uses the [flake8](http://pypi.python.org/pypi/flake8) module to check code.

*Options*

* `ignore` Set which pep8 error codes you wish to ignore.
* `exclude` Exclude files matching these comma
separated patterns (default: .svn, CVS, .bzr, .hg, .git)
* `filename` When parsing directories, only check filenames
matching these comma separated patterns (default: `*.py`)
* `select` Select errors and warnings (e.g. E,W6)
* `max-line-length` Set maximum allowed line length (default: 79)
* `format` Set the error format [default|pylint|]
* `max-complexity` McCabe complexity threshold
* `snippet` Interacts with
[flake8-snippets](https://pypi.python.org/pypi/flake8-snippets) allowing you
to trigger errors on specific snippets you want to disallow.

These options are passed into flake8 as cli options.

#### pep8

Uses the [pep8](http://pypi.python.org/pypi/pep8/1.2) module to check code.

*Options*

* `ignore` Set which pep8 error codes you wish to ignore.
* `exclude` Exclude files or directories which match these comma
separated patterns (default: .svn, CVS, .bzr, .hg, .git)
* `filename` When parsing directories, only check filenames
matching these comma separated patterns (default: `*.py`)
* `select` Select errors and warnings (e.g. E,W6)
* `max-line-length` Set maximum allowed line length (default: 79)

#### py3k

Uses [pylint](https://www.pylint.org/) to check for Python 3 compatibility
issues.

*Options*

* `ignore` A comma separated list of error codes you wish to ignore.
* `ignore-patterns` A comma separated list of regular expressions that match
files you want to ignore.

#### pytype

Uses [pytype](https://opensource.google.com/projects/pytype) to check python
code using type annotations.

*Options*

* `config` Path to a config file for pytype.
* `fixer` Enable automatic merging of inferred pyi files.

### PHP

#### PHPCS

Uses the [phpcs](http://pear.php.net/package/PHP_CodeSniffer) PEAR library
to do style checks on PHP, Javascript and or CSS files.

*Options*

* `standard` The coding standard to use. By default the `PSR2` standard is used.
You can use any of the built-in standards or provide your own inside your
project directory.
* `extensions` The extensions to check. By default only `.php` files will be
checked.
* `ignore` A glob path of files to ignore.
* `exclude` A comma separated list of sniffs to not apply.
* `tab_width` The number of spaces to convert tabs into, this is useful for
projects using tabs for indentation.

#### PHPMD

Uses the [phpmd](http://phpmd.org) tool to check code for messy or hard to
maintain code.

*Options*

* `ruleset` The ruleset names or file to use for phpmd. Defaults to `cleancode,codesize,unusedcode`

### Javascript:

#### JSHint

Uses the [jshint](http://jshint.org/) npm module to check javascript files. Before
you can use this linter you'll need to install nodejs and the jshint npm package:

cd path/to/lintreview
npm install jshint

*Options*

* `config` Provide a path to the json config file for jshint.

#### ESLint

Uses the [eslint](http://eslint.org/) npm module to check javascript files. Before
you can use this linter you'll need to install the eslint npm package:

cd path/to/lintreview
npm install eslint

*Options*

* `config` Provide a path to the json config file for eslint.

#### StandardJs

Uses the [standard](http://npmjs.org/package/standard) npm module to check javascript files. Before
you can use this linter you'll need to install nodejs and the standard npm package:

*Options*

* None currently supported

#### JSON Lint

Uses the jsonlint script from [demjson](https://pypi.python.org/pypi/demjson) python module
to check javascript object notation files.

*Options*

* None currently supported

### TypeScript

#### Tslint

Uses the [tslint](http://npmjs.org/package/tslint) tool to review TypeScript files. You need to
include a `tslint.json` configuration file in your project or use the `config` option to provide
a path to a config file.

*Options*

* `config` The config file you want `tslint` to use.
* `project` The tsc config file you want `tslint` to use.

### CSS:

#### CSSLint

Uses the [csslint](http://csslint.net/) npm module to check css files. Before
you can use this linter you'll need to install nodejs and the `csslint` npm package:

cd path/to/lintreview
npm install

Both warnings and errors will be turned into code review comments. If you don't want
code review comments for specific rules, you should ignore them.

*Options*

* `ignore` A comma separated list of rule ids to ignore.

### SASS / SCSS

#### scss-lint

Uses the [sass-lint](https://www.npmjs.com/package/sass-lint) npm module to check scss and sass files.

*Options*

* `ignore` A comma separated list of files to ignore.
* `config` Project relative path to the sass-lint config file you want
applied.

#### Stylelint

Uses [stylelint](https://github.com/stylelint/stylelint) to check, scss, sass,
less or css files.

*Options*

* `config` Provide a path to your stylelint configuration file. If none is
provided then stylelint's default config file lookup behavior will be used,
and falling back to the `stylelint-config-recommended` will be used.

### Ruby:

#### RuboCop

Uses the [rubocop](http://rubygems.org/gems/rubocop) gem to check ruby files.
You'll need to install it to use it:

gem install rubocop

*Options*

* `display_cop_names` Set to `true` to pass display cop names in offense messages.

`.rubocop.yml` files will be respected, as described
[here](https://github.com/bbatsov/rubocop#configuration).

### Puppet:

#### puppet-lint

Uses the [puppet-lint](http://rubygems.org/gems/rubocop) gem to check puppet manifests
against the puppetlabs style guide.

You'll need to install it to use it:

gem install puppet-lint

*Options*

* `config` Provide a path to a puppet-lint config file.
* `fixer_ignore` A comma separated list of linter checks to ignore when running
the fixer.

`.puppet-lint.rc` files will also be respected, to allow each project to disable
checks. A list of checks can be found by running "puppet-lint --help"

### Chef:

#### Foodcritic

Uses the [Foodcritic](http://www.foodcritic.io/) gem to check Chef files.
You'll need to install Foodcritic:

gem install foodcritic

*Options*

* `path` If your cookbooks aren't stored in the root, use this to set the path
that foodcritic runs against. Example: `path = cookbooks`

### Yet Another Markup Language:

#### yamllint

Uses the [yamllint](http://pypi.python.org/pypi/yamllint) module to check yaml and yml files.

*Options*

* `config` Provide a path to the yaml config file for yamlhint.

### Shell

#### Shellcheck

Uses [shellcheck](https://github.com/koalaman/shellcheck) to lint shell scripts.

*Options*

* `shell` Select which shell to use. Options are: bash, sh, ksh or zsh. Default: `sh`
* `exclude` String of checks to ignore. Example: SC2154,SC2069

### Ansible

#### Ansible-lint

Uses [ansible-lint](https://github.com/willthames/ansible-lint) to lint Ansible plays.

*Options*

* `ignore` Set which ansible-lint error codes you wish to ignore.

### Go lang

#### Golint

Uses [go-lint](https://github.com/golang/lint) to lint go code.

*Options*

* `min_confidence` Set the confidence level of a problem before it is reported.
* `ignore` A list of regular expressions, that allow you to ignore warnings.

### Kotlin

#### Ktlint

Uses [ktlint](https://github.com/pinterest/ktlint) to lint kotlin code.

*Options*

* `android` Set to `true` to pass rule set in error messages.
* `config` Provide a path to the [.editorconfig](https://github.com/pinterest/ktlint/#EditorConfig) file for ktlint.
* `experimental` Set to `true` to add [`experimental rules`](https://github.com/pinterest/ktlint/#experimental-rules).
* `fixer` Set to `true` to fix any deviations from the code style
* `ruleset` Provide ["ruleset"](https://github.com/pinterest/ktlint/#experimental-rules) a path to JAR containing one or more [Rule](https://github.com/pinterest/ktlint/blob/master/ktlint-core/src/main/kotlin/com/pinterest/ktlint/core/Rule.kt)s gathered together in a [RuleSet](https://github.com/pinterest/ktlint/blob/master/ktlint-core/src/main/kotlin/com/github/shyiko/ktlint/core/RuleSet.kt).

### Lua

#### Luacheck

Uses [luacheck](https://github.com/mpeterv/luacheck) to lint Lua code.

*Options*

* `config` Provide a path to the config file for luacheck.

### Elixir

#### Credo

Uses [credo](https://github.com/rrrene/credo) to lint Elixir code. Runs `mix
credo list` to get results by files.

*Options*

* `checks` Only include checks that match the given strings
* `config-name` Use the given config instead of "default"
* `ignore-checks` Ignore checks that match the given strings
* `all` Show all issues
* `all-priorities` Show all issues including low priority ones
* `strict` Show all issues and all priorities

### Markdown

#### Remarklint

Uses [remark-lint](https://github.com/remarkjs/remark-lint) to lint markdown
files. Will use the `.remarkrc` files in your project.
The `remark-preset-lint-recommended` package is installed, other presets require
customizing the nodejs docker image.

*Options*

* No options at this time.