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How to use from_installed_gems method of Gem Package

Best Rr_ruby code snippet using Gem.from_installed_gems

passenger.rb

Source:passenger.rb

...10    package "apache2-threaded-dev", :ensure => :installed11    file "/usr/local/src", :ensure => :directory12    #have to shell out to another interpreter to make this symlink magic work13    exec "symlink_passenger",14      :command => 'ln -nfs `ruby -rubygems -e \'puts Gem::SourceIndex.from_installed_gems.find_name("passenger").last.loaded_from.gsub(/specifications/,"gems").gsub(/.gemspec/,"/")\'` /usr/local/src/passenger',15      :unless => 'ls -al /usr/local/src/passenger | grep `ruby -rubygems -e \'puts Gem::SourceIndex.from_installed_gems.find_name("passenger").last.version.to_s\'`',16      :require => [17        package("passenger"),18        file("/usr/local/src")19      ]20    # Build Passenger from source21    exec "build_passenger",22      :cwd => configuration[:passenger][:path],23      :command => '/usr/bin/ruby -S rake clean apache2',24      :creates => "#{configuration[:passenger][:path]}/ext/apache2/mod_passenger.so",25      :require => [26        package("passenger"),27        package("apache2-mpm-worker"),28        package("apache2-threaded-dev"),29        exec('symlink_passenger')30      ]31    load_template = "LoadModule passenger_module #{configuration[:passenger][:path]}/ext/apache2/mod_passenger.so"32    file '/etc/apache2/mods-available/passenger.load',33      :ensure => :present,34      :content => load_template,35      :require => [exec("build_passenger")],36      :notify => service("apache2"),37      :alias => "passenger_load"38    file '/etc/apache2/mods-available/passenger.conf',39      :ensure => :present,40      :content => template(File.join(File.dirname(__FILE__), 'templates', 'passenger.conf.erb')),41      :require => [exec("build_passenger")],42      :notify => service("apache2"),43      :alias => "passenger_conf"44    a2enmod 'passenger', :require => [exec("build_passenger"), file("passenger_conf"), file("passenger_load")]45  end46  # Creates and enables a vhost configuration named after your application.47  # Also ensures that the <tt>000-default</tt> vhost is disabled.48  def passenger_site49    file "/etc/apache2/sites-available/#{configuration[:application]}",50      :ensure => :present,51      :content => template(File.join(File.dirname(__FILE__), 'templates', 'passenger.vhost.erb')),52      :notify => service("apache2"),53      :alias => "passenger_vhost",54      :require => exec("a2enmod passenger")55    a2dissite '000-default', :require => file("passenger_vhost")56    a2ensite configuration[:application], :require => file("passenger_vhost")57  end58  def passenger_configure_gem_path59    return configuration[:passenger][:path] if configuration[:passenger] && configuration[:passenger][:path]60    version = begin61      Gem::SourceIndex.from_installed_gems.find_name("passenger").last.version.to_s62    rescue63      `gem install passenger --no-ri --no-rdoc`64      Gem::SourceIndex.from_installed_gems.find_name("passenger").last.version.to_s65    end66    configure(:passenger => { :path => "#{Gem.dir}/gems/passenger-#{version}" })67  end68private69  def passenger_config_boolean(key)70    if key.nil?71      nil72    elsif key == 'Off' || (!!key) == false73      'Off'74    else75      'On'76    end77  end78end...

hanna

Source:hanna

...41  gem_names.shift42  43  unless gem_names.empty?44    specs = gem_names.inject([]) do |arr, name|45      found = Gem::SourceIndex.from_installed_gems.find_name(name)46      spec = found.sort_by {|s| s.version }.last47      arr << spec if spec48      arr49    end50  else51    specs = Gem::SourceIndex.from_installed_gems.inject({}) do |all, pair|52      full_name, spec = pair53      if spec.has_rdoc? and (!all[spec.name] or spec.version > all[spec.name].version)54        all[spec.name] = spec55      end56      all57    end58    specs = specs.values59    puts "Hanna is installing documentation for #{specs.size} gem#{specs.size > 1 ? 's' : ''} ..."60  end61  specs.each do |spec|62    Gem::DocManager.new(spec).generate_rdoc63  end64else65  options << '-o' << 'doc' unless ARGV.include?('-o') or ARGV.include?('--op')...

from_installed_gems

Using AI Code Generation

1  def self.from_installed_gems(*args)2    Gem::GemRunner.new.run(args)3Gem.from_installed_gems('list', '--local')4Gem.from_installed_gems('list', '--local')5Gem.from_installed_gems('list', '--local')6Gem.from_installed_gems('list', '--local')7Gem.from_installed_gems('list', '--local')8Gem.from_installed_gems('list', '--local')9Gem.from_installed_gems('list', '--local')10Gem.from_installed_gems('list', '--local')11Gem.from_installed_gems('list', '--local')12Gem.from_installed_gems('list', '--local')13Gem.from_installed_gems('list', '--local')

from_installed_gems

Using AI Code Generation

1  def self.from_installed_gems(*args)2    Gem::GemRunner.new.run(args)3Gem.from_installed_gems('list', '--local')4Gem.from_installed_gems('list', '--local')5Gem.from_installed_gems('list', '--local')6Gem.from_installed_gems('list', '--local')7Gem.from_installed_gems('list', '--local')8Gem.from_installed_gems('list', '--local')9Gem.from_installed_gems('list', '--local')10Gem.from_installed_gems('list', '--local')11Gem.from_installed_gems('list', '--local')12Gem.from_installed_gems('list', '--local')13Gem.from_installed_gems('list', '--local')

from_installed_gems

Using AI Code Generation

1  def install_from_gemdeps(gemdeps, options = {})2        gemdep = Gem::Dependency.new(*gemdep)3      spec = Gem.source_index.find_name(gemdep.name, gemdep.requirement).last4        spec = Gem.source_index.find_name(gemdep.name, gemdep.requirement).last5        Gem::DependencyInstaller.new(options).install(spec)6  def install_from_gemdeps(gemdeps, options = {})7        gemdep = Gem::Dependency.new(*gemdep)8      spec = Gem.source_index.find_name(gemdep.name, gemdep.requirement).last9        spec = Gem.source_index.find_name(gemdep.name, gemdep.requirement).last10        Gem::DependencyInstaller.new(options).install(spec)

from_installed_gems

Using AI Code Generation

1  def initialize(options = {})2  def initialize(options = {})3  def initialize(options = {})4  def initialize(options = {})5  def initialize(options =

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