Gem installer command line tool
See `gem help install`
# File lib/rubygems/commands/install_command.rb, line 20 20: def initialize 21: defaults = Gem::DependencyInstaller::DEFAULT_OPTIONS.merge({ 22: :generate_rdoc => true, 23: :generate_ri => true, 24: :format_executable => false, 25: :test => false, 26: :version => Gem::Requirement.default, 27: }) 28: 29: super 'install', 'Install a gem into the local repository', defaults 30: 31: add_install_update_options 32: add_local_remote_options 33: add_platform_option 34: add_version_option 35: add_prerelease_option "to be installed. (Only for listed gems)" 36: end
# File lib/rubygems/commands/install_command.rb, line 104 104: def execute 105: if options[:include_dependencies] then 106: alert "`gem install -y` is now default and will be removed" 107: alert "use --ignore-dependencies to install only the gems you list" 108: end 109: 110: installed_gems = [] 111: 112: ENV.delete 'GEM_PATH' if options[:install_dir].nil? and RUBY_VERSION > '1.9' 113: 114: exit_code = 0 115: 116: get_all_gem_names.each do |gem_name| 117: begin 118: inst = Gem::DependencyInstaller.new options 119: inst.install gem_name, options[:version] 120: 121: inst.installed_gems.each do |spec| 122: say "Successfully installed #{spec.full_name}" 123: end 124: 125: installed_gems.push(*inst.installed_gems) 126: rescue Gem::InstallError => e 127: alert_error "Error installing #{gem_name}:\n\t#{e.message}" 128: exit_code |= 1 129: rescue Gem::GemNotFoundException => e 130: show_lookup_failure e.name, e.version, e.errors 131: 132: exit_code |= 2 133: end 134: end 135: 136: unless installed_gems.empty? then 137: gems = installed_gems.length == 1 ? 'gem' : 'gems' 138: say "#{installed_gems.length} #{gems} installed" 139: 140: # NOTE: *All* of the RI documents must be generated first. For some 141: # reason, RI docs cannot be generated after any RDoc documents are 142: # generated. 143: 144: if options[:generate_ri] then 145: installed_gems.each do |gem| 146: Gem::DocManager.new(gem, options[:rdoc_args]).generate_ri 147: end 148: 149: Gem::DocManager.update_ri_cache 150: end 151: 152: if options[:generate_rdoc] then 153: installed_gems.each do |gem| 154: Gem::DocManager.new(gem, options[:rdoc_args]).generate_rdoc 155: end 156: end 157: 158: if options[:test] then 159: installed_gems.each do |spec| 160: gem_spec = Gem::SourceIndex.from_installed_gems.find_name(spec.name, spec.version.version).first 161: result = Gem::Validator.new.unit_test(gem_spec) 162: if result and not result.passed? 163: unless ask_yes_no("...keep Gem?", true) 164: require 'rubygems/uninstaller' 165: Gem::Uninstaller.new(spec.name, :version => spec.version.version).uninstall 166: end 167: end 168: end 169: end 170: end 171: 172: raise Gem::SystemExitException, exit_code 173: end
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