handle bad python install

gclient.py

 #!/usr/bin/env python
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Meta checkout manager supporting both Subversion and GIT.
 
 Files
   .gclient      : Current client configuration, written by 'config' command.
                   Format is a Python script defining 'solutions', a list whose
@@ skipping 684 matching lines @@
   def GetHookAction(hook_dict, matching_file_list):
     """Turns a parsed 'hook' dict into an executable command."""
     logging.debug(hook_dict)
     logging.debug(matching_file_list)
     command = hook_dict['action'][:]
     if command[0] == 'python':
       # If the hook specified "python" as the first item, the action is a
       # Python script.  Run it by starting a new copy of the same
       # interpreter.
       command[0] = sys.executable
+      if not command[0]:

[M-A Ruel, 2013/01/25 01:01:30]

Please put it directly first thing into main() instead of deep inside the code.

[bcwhite, 2013/01/30 16:58:53]

Done.

+        raise gclient_utils.Error(
+            'Python does not know the location of it\'s own executable.')
     if '$matching_files' in command:
       splice_index = command.index('$matching_files')
       command[splice_index:splice_index + 1] = matching_file_list
     return command
 
   def GetHooks(self, options):
     """Evaluates all hooks, and return them in a flat list.
 
     RunOnDeps() must have been called before to load the DEPS.
     """
@@ skipping 1035 matching lines @@
   except (gclient_utils.Error, subprocess2.CalledProcessError), e:
     print >> sys.stderr, 'Error: %s' % str(e)
     return 1
 
 
 if '__main__' == __name__:
   fix_encoding.fix_encoding()
   sys.exit(Main(sys.argv[1:]))
 
 # vim: ts=2:sw=2:tw=80:et: