Touch the flag file at directory creation time to prevent error after…

… rdoc crashes

History.txt

@@ -10,6 +10,8 @@
     obj...)</tt> to display correctly.  Patch #6 by KUBO Takehiro.
   * Improved processing of meta-programmed methods when followed by unparseable
     syntax.  RubyForge patch #28653 by Aidan Cully.
+  * rdoc now touches the flag file when it create the output directory.
+    Prevents the "isn't an RDoc directory" error if rdoc crashes.
 
 === 3.2 / 2010-12-29
 

lib/rdoc/rdoc.rb

@@ -197,6 +197,7 @@ def setup_output_dir(dir, force)
       end unless @options.force_output
     else
       FileUtils.mkdir_p dir
+      FileUtils.touch output_flag_file dir
     end
 
     last

test/test_rdoc_rdoc.rb

@@ -64,13 +64,14 @@ def test_setup_output_dir
     skip "No Dir::mktmpdir, upgrade your ruby" unless Dir.respond_to? :mktmpdir
 
     Dir.mktmpdir {|d|
-      path = File.join(d, 'testdir')
+      path = File.join d, 'testdir'
 
       last = @rdoc.setup_output_dir path, false
 
       assert_empty last
 
       assert File.directory? path
+      assert File.exist? @rdoc.output_flag_file path
     }
   end