Module: PDQTest::Upgrade

Defined in:
lib/pdqtest/upgrade.rb

Constant Summary collapse

GEMFILE = 
'Gemfile'
GEM_REGEXP = 
/gem ('|")([-\w]+)('|").*$/
GEM_ATTRIB_REGEXP = 
/^\s*:\w+/
GEMS = 
{
  'pdqtest'         => {
    'line'  => "gem 'pdqtest', '#{PDQTest::VERSION}'",
    'added' => false,
  },
  'puppet-strings'  => {
    'line'  => "gem 'puppet-strings', :git => 'https://github.com/puppetlabs/puppet-strings'",
    'added' => false,
  },
  'puppet'          => {
    'line'  => "gem 'puppet', '#{PDQTest::PUPPET_VERSION}'",
    'added' => false,
  }
}

Class Method Summary collapse

Class Method Details

.upgrade ⇒ Object

upgrade a module to the latest version of PDQTest



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# File 'lib/pdqtest/upgrade.rb', line 26

def self.upgrade()
  t_file = File.open("#{GEMFILE}.tmp","w")
  updating_gem = false

  if File.exists?(GEMFILE)
    File.open(GEMFILE, 'r') do |f|
      f.each_line{ |line|
        if line =~ GEM_REGEXP
          # a gem stanza
          processing_gem = $2
          if GEMS.keys.include?(processing_gem)
            # fixup one of our monitored gems as needed, mark
            # this as being a gem that is being updated so
            # that we can kill any multi-line attributes
            t_file.puts GEMS[processing_gem]['line']
            updating_gem = true
            GEMS[processing_gem]['added'] = true
          else
            # a gem we don't care about - write it out as-is
            t_file.puts line
            updating_gem = false
          end
        elsif updating_gem and line =~ GEM_ATTRIB_REGEXP
          # do nothing - remove the multi-line attributes
        else
          # anything else... (esp comments)
          t_file.puts line
        end
      }
    end

    # the code above will only UPGRADE existing gem lines, but if this is our
    # first run, there will be nothing to upgrade, so loop through the GEMS
    # for any that are not already added and append them
    GEMS.each { |name, opts|
      if ! opts['added']
        t_file.puts opts['line']
      end
    }

    t_file.close
    FileUtils.mv(t_file.path, GEMFILE)

    # miscellanious file updates
    PDQTest::Skeleton::install_integrations()
  else
    Escort::Logger.error.error "Gemfile not found in #{Dir.pwd}"
  end
end