drbrain	2007-12-24 16:22:01 +0900 (Mon, 24 Dec 2007)

  New Revision: 14582

  Modified files:
    branches/ruby_1_8/ChangeLog
    branches/ruby_1_8/lib/rdoc/ri/ri_options.rb
    branches/ruby_1_8/lib/rdoc/ri/ri_paths.rb

  Log:
    Merge r14565 and r14567 from trunk

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/branches/ruby_1_8/ChangeLog?r1=14582&r2=14581
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/branches/ruby_1_8/lib/rdoc/ri/ri_options.rb?r1=14582&r2=14581
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/branches/ruby_1_8/lib/rdoc/ri/ri_paths.rb?r1=14582&r2=14581

Index: ruby_1_8/ChangeLog
===================================================================
--- ruby_1_8/ChangeLog	(revision 14581)
+++ ruby_1_8/ChangeLog	(revision 14582)
@@ -1,3 +1,11 @@
+Mon Dec 24 16:18:57 2007  Eric Hodel  <drbrain@s...>
+
+	* lib/rdoc/ri/ri_options.rb:  Fix ri --help listing of gem ri paths.
+	Merge of r14567 and r14569 from trunk.
+
+	* lib/rdoc/ri/ri_paths.rb:  Fix duplication of ri data for multiple
+	gems.  Merge of r14567 from trunk
+
 Mon Dec 24 12:35:03 2007  Nobuyoshi Nakada  <nobu@r...>
 
 	* win{32,ce}/Makefile.sub (MFLAGS): defaulted to -l.
Index: ruby_1_8/lib/rdoc/ri/ri_options.rb
===================================================================
--- ruby_1_8/lib/rdoc/ri/ri_options.rb	(revision 14581)
+++ ruby_1_8/lib/rdoc/ri/ri_options.rb	(revision 14582)
@@ -62,10 +62,11 @@
           (RI::Paths::HOMEDIR || "No ~/.rdoc found") ],
 
         [ "--gems",         nil,    nil,
-          "Include documentation from Rubygems:\n  " +
-          (RI::Paths::GEMDIRS ? "#{Gem.path}/doc/*/ri" :
-                                "No Rubygems ri found.") ],
-                                                           
+          "Include documentation from RubyGems:\n" +
+          (RI::Paths::GEMDIRS ?
+           Gem.path.map { |dir| "  #{dir}/doc/*/ri" }.join("\n") :
+           "No Rubygems ri found.") ],
+
         [ "--format",       "-f",   "<name>",
           "Format to use when displaying output:\n" +
           "   " + RI::TextFormatter.list + "\n" +
@@ -116,7 +117,8 @@
       def OptionList.error(msg)
         $stderr.puts
         $stderr.puts msg
-        $stderr.puts "\nFor help on options, try 'ri --help'\n\n"
+        name = File.basename $PROGRAM_NAME
+        $stderr.puts "\nFor help on options, try '#{name} --help'\n\n"
         exit 1
       end
       
@@ -136,7 +138,11 @@
           RI::Paths::HOMEDIR
         ]
 
-        directories << "#{Gem.path}/doc/*/ri" if RI::Paths::GEMDIRS
+        if RI::Paths::GEMDIRS then
+          Gem.path.each do |dir|
+            directories << "#{dir}/doc/*/ri"
+          end
+        end
 
         directories = directories.join("\n    ")
 
@@ -157,16 +163,16 @@
 
           For example:
 
-              ri  File
-              ri  File.new
-              ri  F.n
-              ri  zip
+              #{name}  File
+              #{name}  File.new
+              #{name}  F.n
+              #{name}  zip
 
           Note that shell quoting may be required for method names
           containing punctuation:
 
-              ri 'Array.[]'
-              ri compact\\!
+              #{name} 'Array.[]'
+              #{name} compact\\!
 
           By default ri searches for documentation in the following
           directories:
@@ -180,8 +186,8 @@
         EOT
 
         if short_form
-          puts "For help on options, type 'ri -h'"
-          puts "For a list of classes I know about, type 'ri -c'"
+          puts "For help on options, type '#{name} -h'"
+          puts "For a list of classes I know about, type '#{name} -c'"
         else
           puts "Options:\n\n"
           OPTION_LIST.each do|long, short, arg, desc|
Index: ruby_1_8/lib/rdoc/ri/ri_paths.rb
===================================================================
--- ruby_1_8/lib/rdoc/ri/ri_paths.rb	(revision 14581)
+++ ruby_1_8/lib/rdoc/ri/ri_paths.rb	(revision 14582)
@@ -44,8 +44,29 @@
 
     begin
       require 'rubygems'
-      GEMDIRS = Dir["#{Gem.path}/doc/*/ri"]
-      GEMDIRS.each { |path| RI::Paths::PATH << path }
+
+      # HACK dup'd from Gem.latest_partials and friends
+      all_paths = []
+
+      all_paths = Gem.path.map do |dir|
+        Dir[File.join(dir, 'doc', '*', 'ri')]
+      end.flatten
+
+      ri_paths = {}
+
+      all_paths.each do |dir|
+        base = File.basename File.dirname(dir)
+        if base =~ /(.*)-((\d+\.)*\d+)/ then
+          name, version = $1, $2
+          ver = Gem::Version.new version
+          if ri_paths[name].nil? or ver > ri_paths[name][0] then
+            ri_paths[name] = [ver, dir]
+          end
+        end
+      end
+
+      GEMDIRS = ri_paths.map { |k,v| v.last }.sort
+      GEMDIRS.each { |dir| RI::Paths::PATH << dir }
     rescue LoadError
       GEMDIRS = nil
     end
@@ -55,7 +76,7 @@
 
     def self.path(use_system, use_site, use_home, use_gems, *extra_dirs)
       path = raw_path(use_system, use_site, use_home, use_gems, *extra_dirs)
-      return path.select { |path| File.directory? path }
+      return path.select { |directory| File.directory? directory }
     end
 
     # Returns the selected documentation directories including nonexistent

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