Ruby 1.9 version style

2 files changed, 7 insertions, 1 deletions

diff --git a/Library/Homebrew/pathname+yeast.rb b/Library/Homebrew/pathname+yeast.rb
index 1c7b9794d..793f8d26f 100644
--- a/Library/Homebrew/pathname+yeast.rb
+++ b/Library/Homebrew/pathname+yeast.rb
@@ -104,7 +104,8 @@ class Pathname
     return $1.gsub('_', '.') if $1
 
     # eg. foobar-4.5.1-1
-    /-((\d+\.)*\d+-\d+)$/.match stem
+    # eg. ruby-1.9.1-p243
+    /-((\d+\.)*\d\.\d+-p?\d+)$/.match stem
     return $1 if $1
 
     # eg. foobar-4.5.1
diff --git a/Library/Homebrew/unittest.rb b/Library/Homebrew/unittest.rb
index c4d2a118d..f26b0a18d 100755
--- a/Library/Homebrew/unittest.rb
+++ b/Library/Homebrew/unittest.rb
@@ -318,4 +318,9 @@ class BeerTasting <Test::Unit::TestCase
     d.mkpath
     assert_equal '0.1.9', d.version
   end
+  
+  def test_ruby_version_style
+    f=MockFormula.new 'ftp://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.1-p243.tar.gz'
+    assert_equal '1.9.1-p243', f.version
+  end
 end