--- patch.py.old	2018-02-20 14:54:24.400212946 -0800
+++ patch.py	2018-02-20 14:55:29.681760580 -0800
@@ -263,6 +263,7 @@
 
     self.errors = 0    # fatal parsing errors
     self.warnings = 0  # non-critical warnings
+    self.already_patched = False
     # --- /API ---
 
     if stream:

@@ -933,6 +934,7 @@
       if validhunks < len(p.hunks):
         if self._match_file_hunks(filename, p.hunks):
           warning("already patched  %s" % filename)
+          self.already_patched = True
         else:
           warning("source file is different - %s" % filename)
           errors += 1