1  
   2  Gem::Version::Requirement.new(['> 0.9.0']).satisfied_by?(Gem::Version.new('0.11.0'))

   1  
   2    desc "Updates RubyGems version"
   3    task :gem_update_system do
   4      sudo "gem update --system"
   5    end
   6  
   7      
   8    desc "Install a RubyGem from remote source"
   9    task :gem_install do
  10      puts "USAGE: GEM=gemname cap gems_install" and next unless ENV['GEM']
  11      sudo "gem install #{ENV['GEM']} --no-ri --no-rdoc"
  12    end

   1  
   2  cap gem_update_system
   3  GEM=rails cap gem_install

   1  
   2  sudo gem update –system

   1  
   2  sudo gem update --system  # Update to latest Rubygems (if any)
   3  gem outdated  # Get list of outdated gems and update as necessary
   4  sudo gem install XXX --include-dependencies
   5  sudo gem clean  # Clean up outdated gems