From cf8621dabea1db4e8f9194d7a95b2b169b365218 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 31 Aug 2003 03:25:11 +0000
Subject: * lib/optparse.rb: --version takes an optional argument; "all" or a
 list of package names.

git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@4465 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/optparse.rb | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

(limited to 'lib/optparse.rb')

diff --git a/lib/optparse.rb b/lib/optparse.rb
index 50d72f8a2..5281dbbbd 100644
--- a/lib/optparse.rb
+++ b/lib/optparse.rb
@@ -609,11 +609,20 @@ Default options, which never appear in option summary.
     puts ARGV.options
     exit
   end
-  DefaultList.long['version'] = Switch::NoArgument.new do
-    if v = ARGV.options.ver
-      puts v
-      exit
+  DefaultList.long['version'] = Switch::OptionalArgument.new do |pkg|
+    if pkg
+      begin
+        require 'optparse/version'
+      rescue LoadError
+        pkg = nil
+      else
+        show_version(*pkg.split(/,/))
+      end
     end
+    unless pkg
+      puts v if v = ARGV.options.ver
+    end
+    exit
   end
 
 =begin
-- 
cgit