Refactoring: Use fake cwd in release script tests.

tools/push-to-trunk/common_includes.py

 #!/usr/bin/env python
 # Copyright 2013 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
@@ skipping 29 matching lines @@
 import textwrap
 import time
 import urllib
 import urllib2
 
 from git_recipes import GitRecipesMixin
 from git_recipes import GitFailedException
 
 PERSISTFILE_BASENAME = "PERSISTFILE_BASENAME"
 BRANCHNAME = "BRANCHNAME"
-DOT_GIT_LOCATION = "DOT_GIT_LOCATION"
 VERSION_FILE = "VERSION_FILE"
 CHANGELOG_FILE = "CHANGELOG_FILE"
 CHANGELOG_ENTRY_FILE = "CHANGELOG_ENTRY_FILE"
 COMMITMSG_FILE = "COMMITMSG_FILE"
 PATCH_FILE = "PATCH_FILE"
 
 # V8 base directory.
 DEFAULT_CWD = os.path.dirname(
     os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
 
@@ skipping 346 matching lines @@
     for line in self.GitBranch().splitlines():
       if re.match(r"\*?\s*%s$" % re.escape(name), line):
         msg = "Branch %s exists, do you want to delete it?" % name
         if self.Confirm(msg):
           self.GitDeleteBranch(name)
           print "Branch %s deleted." % name
         else:
           msg = "Can't continue. Please delete branch %s and try again." % name
           self.Die(msg)
 
-  def InitialEnvironmentChecks(self):
+  def InitialEnvironmentChecks(self, cwd):
     # Cancel if this is not a git checkout.
-    if not os.path.exists(self._config[DOT_GIT_LOCATION]):  # pragma: no cover
+    if not os.path.exists(os.path.join(cwd, ".git")):  # pragma: no cover
       self.Die("This is not a git checkout, this script won't work for you.")
 
     # Cancel if EDITOR is unset or not executable.
     if (self._options.requires_editor and (not os.environ.get("EDITOR") or
         self.Command(
             "which", os.environ["EDITOR"]) is None)):  # pragma: no cover
       self.Die("Please set your EDITOR environment variable, you'll need it.")
 
   def CommonPrepare(self):
     # Check for a clean workdir.
@@ skipping 278 matching lines @@
     for (number, step_class) in enumerate(step_classes):
       steps.append(MakeStep(step_class, number, self._state, self._config,
                             options, self._side_effect_handler))
     for step in steps[options.step:]:
       if step.Run():
         return 0
     return 0
 
   def Run(self, args=None):
     return self.RunSteps(self._Steps(), args)