Using git hook to notify us when schema.rb and Gemfile changes after a pull

post-merge

#!/usr/bin/env ruby

class String
  # Give our output some colour option :D!
  def black;          "\033[30m#{self}\033[0m" end
  def red;            "\033[31m#{self}\033[0m" end
  def green;          "\033[32m#{self}\033[0m" end
  def blue;           "\033[34m#{self}\033[0m" end
  def yellow;         "\033[33m#{self}\033[0m" end
  def magenta;        "\033[35m#{self}\033[0m" end
  def cyan;           "\033[36m#{self}\033[0m" end
  def gray;           "\033[37m#{self}\033[0m" end
end

changed_files = `git diff-index --cached --name-only HEAD~`

if changed_files.include? 'Gemfile'
  puts 'Gemfile has changed, you might need to run `bundle install`'.yellow
end

if changed_files.include? 'schema.rb'
  puts 'schema.rb has changed, you might need to run `rake db:migrate`'.red
end