git pre-commit hook prevent pry debug

pre-commit

#!/usr/bin/env ruby

class CheckForDebug
	def self.run
		@files = `git grep --all-match -e 'binding.pry' --and --not -e  'add binding' --line-number`
		exit_and_notify if @files.length > 0
		exit 0;
	end
	def self.exit_and_notify
		p @files.strip
		p 'Debugging functions were found in your code!'
		exit 1;
	end
end

CheckForDebug.run