Added `gclient hookinfo`. This will be used to convert hooks into

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 1062 matching lines @@
       for d in self.root.subtree(False):
         if self._options.actual:
           entries[d.name] = GetURLAndRev(d)
         else:
           entries[d.name] = d.parsed_url
       keys = sorted(entries.keys())
       for x in keys:
         print('%s: %s' % (x, entries[x]))
     logging.info(str(self))
 
+  def HookInfo(self):
+    work_queue = gclient_utils.ExecutionQueue(self._options.jobs, None)
+    for s in self.dependencies:
+      work_queue.enqueue(s)
+    work_queue.flush({}, None, [], options=self._options)
+    hooks = []
+    def _f(*args, **kwargs):
+      cwd = kwargs['cwd'][len(self.root.root_dir)+1:]
+      if not cwd:
+        cwd = '.'
+      hooks.append({'command': list(*args), 'cwd': cwd})
+    tmp = gclient_utils.CheckCallAndFilterAndHeader
+    gclient_utils.CheckCallAndFilterAndHeader = _f

[M-A Ruel, 2012/01/28 02:15:18]

:/ I'd rather have you pass an argument to RunHooksRecursively(), then
_RunHookAction() than monkey patch here.

[szager, 2012/01/30 18:47:07]

OK, less monkey more patch.

+    self.RunHooksRecursively(self._options)
+    gclient_utils.CheckCallAndFilterAndHeader = tmp
+    return hooks
+
   def ParseDepsFile(self):
     """No DEPS to parse for a .gclient file."""
     raise gclient_utils.Error('Internal error')
 
   @property
   def root_dir(self):
     """Root directory of gclient checkout."""
     return self._root_dir
 
   @property
@@ skipping 323 matching lines @@
                          'version of all repositories to reproduce the tree, '
                          'implies -a')
   (options, args) = parser.parse_args(args)
   client = GClient.LoadCurrentConfig(options)
   if not client:
     raise gclient_utils.Error('client not configured; see \'gclient config\'')
   client.PrintRevInfo()
   return 0
 
 
+def CMDhookinfo(parser, args):
+  """Output the hooks that would be run by `gclient runhooks`"""
+
+  (options, args) = parser.parse_args(args)
+  client = GClient.LoadCurrentConfig(options)
+  if not client:
+    raise gclient_utils.Error('client not configured; see \'gclient config\'')
+  print client.HookInfo()
+  return 0
+
+
 def Command(name):
   return getattr(sys.modules[__name__], 'CMD' + name, None)
 
 
 def CMDhelp(parser, args):
   """Prints list of commands or help for a specific command."""
   (_, args) = parser.parse_args(args)
   if len(args) == 1:
     return Main(args + ['--help'])
   parser.print_help()
@@ skipping 96 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: