Merge pull request #2 from baelter/rubocop-args

Allow passing arguments to rubocop

README.md

@@ -53,3 +53,13 @@ Specifying `gem_versions` in the standard `gem install` format.
         with:
           gem_versions: rubocop:1.18.3 rubocop-rspec:2.0.0 rubocop-<some-other-plugin>:1.2.0
 ```
+
+#### rubocop arguments
+
+Allows you to pass additional arguments to rubocop. E.g.
+
+```yaml
+      - uses: reclaim-the-stack/rubocop-action@v1
+        with:
+          rubocop_arguments: --config .rubocop.yml
+```

action.yml

@@ -7,10 +7,13 @@ inputs:
   gem_versions:
     description: Gem versions to install
     default: rubocop:1.54.1 rubocop-rails:2.20.2 rubocop-rspec:2.22.0
+  rubocop_arguments:
+    description: Arguments passed to rubocop cli
+    default: ""
 runs:
   using: composite
   steps:
-    - run: ruby $GITHUB_ACTION_PATH/rubocop.rb
+    - run: ruby $GITHUB_ACTION_PATH/rubocop.rb ${{ inputs.rubocop_arguments }}
       shell: bash
       env:
         GITHUB_TOKEN: ${{ inputs.github_token }}

rubocop.rb

@@ -36,7 +36,7 @@
 # JSON reference: https://docs.rubocop.org/rubocop/formatters.html#json-formatter
 files_with_offenses =
   if changed_ruby_files.any?
-    command = "rubocop #{changed_ruby_files.map(&:path).join(' ')} --format json --force-exclusion"
+    command = "rubocop #{changed_ruby_files.map(&:path).join(' ')} --format json --force-exclusion #{ARGV.join(' ')}"
 
     puts "Running rubocop with: #{command}"
     JSON.parse(`#{command}`).fetch("files")