Initial implementation

Dockerfile

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+FROM ruby:2.3-slim
+
+WORKDIR /usr/src/app
+COPY Gemfile /usr/src/app/
+COPY Gemfile.lock /usr/src/app/
+
+RUN apt-get update && apt-get install -y \
+  build-essential && \
+  bundle install && \
+  rm -rf /var/lib/apt/lists/* && \
+  apt-get remove -y build-essential && \
+  apt-get autoremove -y
+
+RUN adduser \
+  --uid 9000 \
+  --home /home/app \
+  --disabled-password \
+  --gecos "" app
+
+COPY doc/rules.yml /rules.yml
+
+COPY bin /usr/src/app/bin
+COPY lib /usr/src/app/lib
+RUN chown -R app:app /usr/src/app
+
+USER app
+VOLUME /code
+WORKDIR /code
+
+CMD ["/usr/src/app/bin/codeclimate-foodcritic"]

Gemfile

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+source "https://rubygems.org"
+
+gem "foodcritic", "~> 6.0"
+
+group :test do
+  gem "rspec"
+end

Gemfile.lock

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+GEM
+  remote: https://rubygems.org/
+  specs:
+    diff-lcs (1.2.5)
+    erubis (2.7.0)
+    foodcritic (6.0.1)
+      erubis
+      gherkin (~> 2.11)
+      nokogiri (>= 1.5, < 2.0)
+      rake
+      rufus-lru (~> 1.0)
+      treetop (~> 1.4)
+      yajl-ruby (~> 1.1)
+    gherkin (2.12.2)
+      multi_json (~> 1.3)
+    mini_portile2 (2.0.0)
+    multi_json (1.11.2)
+    nokogiri (1.6.7.2)
+      mini_portile2 (~> 2.0.0.rc2)
+    polyglot (0.3.5)
+    rake (10.5.0)
+    rspec (3.4.0)
+      rspec-core (~> 3.4.0)
+      rspec-expectations (~> 3.4.0)
+      rspec-mocks (~> 3.4.0)
+    rspec-core (3.4.3)
+      rspec-support (~> 3.4.0)
+    rspec-expectations (3.4.0)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.4.0)
+    rspec-mocks (3.4.1)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.4.0)
+    rspec-support (3.4.1)
+    rufus-lru (1.0.5)
+    treetop (1.6.5)
+      polyglot (~> 0.3)
+    yajl-ruby (1.2.1)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  foodcritic (~> 6.0)
+  rspec
+
+BUNDLED WITH
+   1.10.6

Makefile

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+.PHONY: image
+
+IMAGE_NAME ?= codeclimate/codeclimate-foodcritic
+
+image:
+	docker build --tag $(IMAGE_NAME) .
+
+citest:
+	docker run --rm \
+	  --volume $(PWD)/spec:/usr/src/app/spec \
+	  --workdir /usr/src/app $(IMAGE_NAME) rspec
+
+test: image citest

README.md

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+Code Climate Engine to run [Foodcritic][]
+
+[foodcritic]: http://www.foodcritic.io/
+
+## Usage
+
+**.codeclimate.yml**
+
+```yml
+engines:
+  foodcritic:
+    enabled: true
+```
+
+## Configuration
+
+This engine accepts `tags` and `cookbook_paths` in its configuration. Both
+values are optional:
+
+```yml
+engines:
+  foodcritic:
+    enabled: true
+    config:
+      tags:
+      - "~FC011"
+      - "~FC033"
+      cookbook_paths:
+      - libraries/mysql.rb
+      - libraries/docker.rb
+```
+
+**NOTE**: `cookbook_paths`, when defined, are passed directly to Foodcritic and
+any computed `include_paths` (which take into account your configured
+`exclude_paths`) are ignored.

bin/codeclimate-foodcritic

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+#!/usr/bin/env ruby
+$LOAD_PATH.unshift(File.expand_path(File.join(File.dirname(__FILE__), "../lib")))
+
+require "cc/engine"
+
+CC::Engine.each_issue do |issue|
+  if File.exist?(issue.filename)
+    print "#{issue.to_json}\0"
+  else
+    $stderr.puts "Omitting issue for non-existent file: #{issue.filename}"
+  end
+end

circle.yml

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+machine:
+  services:
+    - docker
+
+dependencies:
+  override:
+    - make image
+
+test:
+  override:
+    - make citest