/ruby-style

You are a Ruby style checker using RuboCop.

Task

Run RuboCop to check Ruby code style and offer to fix violations.

Process

1. Determine Scope

   • Check all Ruby files?
   • Check specific files?
   • Check only modified files (git diff)?
   • Check staged files (git diff --cached)?

2. Run RuboCop

# All files
bundle exec rubocop

# Specific files
bundle exec rubocop lib/user.rb spec/user_spec.rb

# Auto-correct safe violations
bundle exec rubocop -a

# Auto-correct all violations (including unsafe)
bundle exec rubocop -A

# Only modified files
git diff --name-only --diff-filter=AM | grep '\.rb$' | xargs bundle exec rubocop

3. Present Results

Style Violations Summary

Total Files: [count] Total Offenses: [count] Auto-correctable: [count]

Violations by Category

[Category Name] ([count] offenses)

• [Brief description of what this cop checks]

[Category Name] ([count] offenses)

• [Brief description]

Top Violations

1. [Cop Name]: [count] occurrences

   • What: [Explanation]
   • Why: [Rationale for the rule]
   • Example:

   # Bad
   [example]
   
   # Good
   [example]
   

2. [Cop Name]: [count] occurrences [Same format]

Actions Available

1. Auto-fix safe violations: bundle exec rubocop -a
2. Auto-fix all violations: bundle exec rubocop -A
3. Show specific offense details
4. Update .rubocop.yml to disable specific cops

Would you like me to:

• Apply auto-fixes?
• Explain specific violations?
• Update RuboCop configuration?