lib/yard/rubygems/doc_manager.rb in yard-0.8.3 vs lib/yard/rubygems/doc_manager.rb in yard-0.8.4

@@ -1,7 +1,10 @@
-require 'rubygems/user_interaction'
-require 'rubygems/doc_manager'
+begin
+  require 'rubygems/user_interaction'
+  require 'rubygems/doc_manager'
+rescue LoadError
+end
 
 class Gem::DocManager
   def self.load_yardoc
     require File.expand_path(File.join(File.dirname(__FILE__), *%w(.. .. yard)))
   end
@@ -32,11 +35,11 @@
     ui.errs.puts "(continuing with the rest of the installation)"
   ensure
     Dir.chdir(old_pwd)
   end
 
-  undef setup_rdoc
+  begin undef setup_rdoc; rescue NameError; end
   def setup_rdoc
     if File.exist?(@doc_dir) && !File.writable?(@doc_dir) then
       raise Gem::FilePermissionError.new(@doc_dir)
     end
 
@@ -62,18 +65,24 @@
 
     self.class.load_yardoc
     say "Building YARD (yri) index for #{@spec.full_name}..."
     run_yardoc '-c', '-n'
   end
-  alias install_ri_yard_orig install_ri
-  alias install_ri install_ri_yard
 
+  begin
+    alias install_ri_yard_orig install_ri
+    alias install_ri install_ri_yard
+  rescue NameError; end
+
   def install_rdoc_yard
     if @spec.has_rdoc?
       install_rdoc_yard_orig
     elsif @spec.has_yardoc?
       install_yardoc
     end
   end
-  alias install_rdoc_yard_orig install_rdoc
-  alias install_rdoc install_rdoc_yard
+
+  begin
+    alias install_rdoc_yard_orig install_rdoc
+    alias install_rdoc install_rdoc_yard
+  rescue NameError; end
 end