Check specific keywords on commit.

pre-commit

#!/usr/bin/env ruby

class String
  # colorization
  #   from http://stackoverflow.com/questions/1489183/colorized-ruby-output
  def colorize(color_code)
    "\e[#{color_code}m#{self}\e[0m"
  end
  def red ; colorize(31) ; end
  def green ; colorize(32) ; end
  def yellow ; colorize(33) ; end
  def pink ; colorize(35) ; end
end


checks = %w{
  debugger
  logger
  puts
  binding.pry
  save_and_open_page
  console.log
}

errors = []

files_changed = `git diff --cached --name-only HEAD`
files_changed.each_line do |filename|
  filename.chomp!
  changes = `git diff --cached -U0 HEAD -- "#{filename}"`
  checks.each do |check|
    result = changes.split(/\n/).grep(/^\+.*\b#{check}\b/)
    unless result.empty?
      errors << {:name => check, :file => filename, :matches => result}
    end
  end
end

unless errors.empty?
  errors.each do |error|
    puts "'#{error[:name]}' found in file: #{error[:file]}".yellow
    error[:matches].each {|m| puts "  -> #{m}" }
  end
  puts "COMMIT REJECTED. Please remove them before commiting OR use --no-verify".red
  exit 1
end

Add quots to avoid errors with the files which include whitespace in filename.

The errors before fixing are
$ git commit ...
sh: -c: line 0: syntax error near unexpected token (' sh: -c: line 0:git diff --cached -U0 HEAD -- Default (OSX).sublime-keymap'