Merge pull request os97673#17 from niw/fix_regexp_to_match_directory_name

FIX: the regular expression that can be matched to the wrong position.

Author: os97673

lib/debase/ruby_core_source.rb

@@ -68,7 +68,7 @@ def self.deduce_packaged_source_dir(ruby_dir)
     end
 
     def self.ruby_source_dir_version(dir)
-      match = /ruby-([0-9\.]+)-(.+)/.match(dir)
+      match = /ruby-([0-9\.]+)-((p|rc)[0-9]+)\z/.match(dir)
       Gem::Version.new("#{match[1]}.#{match[2]}")
     end