Pass along RunCommandException correctly. This is a minor

lib/cros_build_lib.py

 # Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Common python commands used by various build scripts."""
 
 import inspect
 import os
 import subprocess
 import sys
@@ skipping 63 matching lines @@
                               stdout=stdout, stderr=stderr)
       (output, error) = proc.communicate(input)
       if exit_code and retry_count == num_retries:
         return proc.returncode
 
       if proc.returncode == 0:
         break
 
       raise RunCommandException('Command "%r" failed.\n' % (cmd) +
                                 (error_message or error or output or ''))
-    except Exception, e:
+    except RunCommandException as e:
       if not error_ok and retry_count == num_retries:
-        raise RunCommandException(e)
+        raise e
       else:
         Warning(str(e))
         if print_cmd:
           Info('PROGRAM(%s) -> RunCommand: retrying %r in dir %s' %
                (GetCallerName(), cmd, cwd))
 
   return output
 
 
 def RunCommandCaptureOutput(cmd, print_cmd=True, cwd=None, input=None,
@@ skipping 135 matching lines @@
   root_abs_path = os.path.abspath(root_path)
 
   # Strip the repository root from the path and strip first /.
   relative_path = path_abs_path.replace(root_abs_path, '')[1:]
 
   if relative_path == path_abs_path:
     raise Exception('Error: path is outside your src tree, cannot reinterpret.')
 
   new_path = os.path.join('/home', os.getenv('USER'), 'trunk', relative_path)
   return new_path