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: :version => Gem::Requirement.default, 26: }) 27: 28: super 'install', 'Install a gem into the local repository', defaults 29: 30: add_install_update_options 31: add_local_remote_options 32: add_platform_option 33: add_version_option 34: add_prerelease_option "to be installed. (Only for listed gems)" 35: end
# File lib/rubygems/commands/install_command.rb, line 103 103: def execute 104: if options[:include_dependencies] then 105: alert "`gem install -y` is now default and will be removed" 106: alert "use --ignore-dependencies to install only the gems you list" 107: end 108: 109: installed_gems = [] 110: 111: ENV.delete 'GEM_PATH' if options[:install_dir].nil? and RUBY_VERSION > '1.9' 112: 113: exit_code = 0 114: 115: get_all_gem_names.each do |gem_name| 116: begin 117: next if options[:conservative] and 118: not Gem::Dependency.new(gem_name, options[:version]).matching_specs.empty? 119: 120: inst = Gem::DependencyInstaller.new options 121: inst.install gem_name, options[:version] 122: 123: inst.installed_gems.each do |spec| 124: say "Successfully installed #{spec.full_name}" 125: end 126: 127: installed_gems.push(*inst.installed_gems) 128: rescue Gem::InstallError => e 129: alert_error "Error installing #{gem_name}:\n\t#{e.message}" 130: exit_code |= 1 131: rescue Gem::GemNotFoundException => e 132: show_lookup_failure e.name, e.version, e.errors, options[:domain] 133: 134: exit_code |= 2 135: end 136: end 137: 138: unless installed_gems.empty? then 139: gems = installed_gems.length == 1 ? 'gem' : 'gems' 140: say "#{installed_gems.length} #{gems} installed" 141: 142: # NOTE: *All* of the RI documents must be generated first. For some 143: # reason, RI docs cannot be generated after any RDoc documents are 144: # generated. 145: 146: if options[:generate_ri] then 147: installed_gems.each do |gem| 148: Gem::DocManager.new(gem, options[:rdoc_args]).generate_ri 149: end 150: 151: Gem::DocManager.update_ri_cache 152: end 153: 154: if options[:generate_rdoc] then 155: installed_gems.each do |gem| 156: Gem::DocManager.new(gem, options[:rdoc_args]).generate_rdoc 157: end 158: end 159: end 160: 161: raise Gem::SystemExitException, exit_code 162: end
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