nobu	2018-12-10 10:58:27 +0900 (Mon, 10 Dec 2018)

  New Revision: 66304

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=66304

  Log:
    Detection order
    
    * tool/vcs.rb (VCS.detect): detect each VCS while travarsing
      parent directories.

  Modified files:
    trunk/tool/vcs.rb
Index: tool/vcs.rb
===================================================================
--- tool/vcs.rb	(revision 66303)
+++ tool/vcs.rb	(revision 66304)
@@ -125,14 +125,13 @@ class VCS https://github.com/ruby/ruby/blob/trunk/tool/vcs.rb#L125
   end
 
   def self.detect(path)
-    @@dirs.each do |dir, klass, pred|
-      curr = path
-      loop {
+    curr = path
+    begin
+      @@dirs.each do |dir, klass, pred|
         return klass.new(curr) if pred ? pred[curr, dir] : File.directory?(File.join(curr, dir))
-        prev, curr = curr, File.realpath(File.join(curr, '..'))
-        break if curr == prev # stop at the root directory
-      }
-    end
+      end
+      prev, curr = curr, File.realpath(File.join(curr, '..'))
+    end until curr == prev # stop at the root directory
     raise VCS::NotFoundError, "does not seem to be under a vcs: #{path}"
   end
 

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