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
inst = Gem::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 Gem::InstallError => e
alert_error "Error installing #{gem_name}:\n\t#{e.message}"
exit_code |= 1
rescue Gem::GemNotFoundException => e
alert_error e.message
exit_code |= 2
end
end
unless installed_gems.empty? then
gems = installed_gems.length == 1 ? 'gem' : 'gems'
say "#{installed_gems.length} #{gems} installed"
if options[:generate_ri] then
installed_gems.each do |gem|
Gem::DocManager.new(gem, options[:rdoc_args]).generate_ri
end
Gem::DocManager.update_ri_cache
end
if options[:generate_rdoc] then
installed_gems.each do |gem|
Gem::DocManager.new(gem, options[:rdoc_args]).generate_rdoc
end
end
if options[:test] then
installed_gems.each do |spec|
gem_spec = Gem::SourceIndex.from_installed_gems.find_name(spec.name, spec.version.version).first
result = Gem::Validator.new.unit_test(gem_spec)
if result and not result.passed?
unless ask_yes_no("...keep Gem?", true)
require 'rubygems/uninstaller'
Gem::Uninstaller.new(spec.name, :version => spec.version.version).uninstall
end
end
end
end
end
raise Gem::SystemExitException, exit_code
end