Method: LibGems::Commands::InstallCommand#execute

Defined in:
lib/libgems/commands/install_command.rb

#execute ⇒ Object

Raises:



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# File 'lib/libgems/commands/install_command.rb', line 104

def execute
  if options[:include_dependencies] then
    alert "`gem install -y` is now default and will be removed"
    alert "use --ignore-dependencies to install only the gems you list"
  end

  installed_gems = []

  ENV.delete 'GEM_PATH' if options[:install_dir].nil? and RUBY_VERSION > '1.9'

  exit_code = 0

  get_all_gem_names.each do |gem_name|
    begin
      next if options[:conservative] && LibGems.available?(gem_name, options[:version])

      inst = LibGems::DependencyInstaller.new options
      inst.install gem_name, options[:version]

      inst.installed_gems.each do |spec|
        say "Successfully installed #{spec.full_name}"
      end

      installed_gems.push(*inst.installed_gems)
    rescue LibGems::InstallError => e
      alert_error "Error installing #{gem_name}:\n\t#{e.message}"
      exit_code |= 1
    rescue LibGems::GemNotFoundException => e
      show_lookup_failure e.name, e.version, e.errors, options[:domain]

      exit_code |= 2
    end
  end

  unless installed_gems.empty? then
    gems = installed_gems.length == 1 ? 'gem' : 'gems'
    say "#{installed_gems.length} #{gems} installed"

    # NOTE: *All* of the RI documents must be generated first.  For some
    # reason, RI docs cannot be generated after any RDoc documents are
    # generated.

    if options[:generate_ri] then
      installed_gems.each do |gem|
        LibGems::DocManager.new(gem, options[:rdoc_args]).generate_ri
      end

      LibGems::DocManager.update_ri_cache
    end

    if options[:generate_rdoc] then
      installed_gems.each do |gem|
        LibGems::DocManager.new(gem, options[:rdoc_args]).generate_rdoc
      end
    end

    if options[:test] then
      installed_gems.each do |spec|
        gem_spec = LibGems::SourceIndex.from_installed_gems.find_name(spec.name, spec.version.version).first
        result = LibGems::Validator.new.unit_test(gem_spec)
        if result and not result.passed?
          unless ask_yes_no("...keep LibGems?", true)
            require 'libgems/uninstaller'
            LibGems::Uninstaller.new(spec.name, :version => spec.version.version).uninstall
          end
        end
      end
    end
  end

  raise LibGems::SystemExitException, exit_code
end