jish/pre-commit

require 'pre-commit/checks/grep'

module PreCommit
  module Checks
    class RubySymbolHashrockets < Grep

      def files_filter(staged_files)
        staged_files.grep(/\.rb$/)
      end

      def message
        "detected :symbol => value hashrocket:"
      end

      def pattern
        '[^:](:{1}(?:\$|@|@@|[_A-Za-z])?\w*[=!?]?\s*=>\s*)'
      end

      def self.description
        "Finds ruby 1.8 '=>' hash definitions."
      end

    end
  end
end