mysql_socket_location

# File railties/lib/rails_generator/generators/applications/app/app_generator.rb, line 253
    def mysql_socket_location
      [
        "/tmp/mysql.sock",                        # default
        "/var/run/mysqld/mysqld.sock",            # debian/gentoo
        "/var/tmp/mysql.sock",                    # freebsd
        "/var/lib/mysql/mysql.sock",              # fedora
        "/opt/local/lib/mysql/mysql.sock",        # fedora
        "/opt/local/var/run/mysqld/mysqld.sock",  # mac + darwinports + mysql
        "/opt/local/var/run/mysql4/mysqld.sock",  # mac + darwinports + mysql4
        "/opt/local/var/run/mysql5/mysqld.sock",  # mac + darwinports + mysql5
        "/opt/lampp/var/mysql/mysql.sock"         # xampp for linux
      ].find { |f| File.exist?(f) } unless RUBY_PLATFORM =~ /(:?mswin|mingw)/
    end