Remove old branch logic from push scripts.

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 24 matching lines @@
 import subprocess
 import sys
 import textwrap
 import time
 import urllib2
 
 from git_recipes import GitRecipesMixin
 from git_recipes import GitFailedException
 
 PERSISTFILE_BASENAME = "PERSISTFILE_BASENAME"
-TEMP_BRANCH = "TEMP_BRANCH"
 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"
 
 
 def TextToFile(text, file_name):
@@ skipping 113 matching lines @@
   else:
     return ""
 
 
 # Some commands don't like the pipe, e.g. calling vi from within the script or
 # from subscripts like git cl upload.
 def Command(cmd, args="", prefix="", pipe=True):
   # TODO(machenbach): Use timeout.
   cmd_line = "%s %s %s" % (prefix, cmd, args)
   print "Command: %s" % cmd_line
+  sys.stdout.flush()
   try:
     if pipe:
       return subprocess.check_output(cmd_line, shell=True)
     else:
       return subprocess.check_call(cmd_line, shell=True)
   except subprocess.CalledProcessError:
     return None
+  finally:
+    sys.stdout.flush()
+    sys.stderr.flush()
 
 
 # Wrapper for side effects.
 class SideEffectHandler(object):  # pragma: no cover
   def Call(self, fun, *args, **kwargs):
     return fun(*args, **kwargs)
 
   def Command(self, cmd, args="", prefix="", pipe=True):
     return Command(cmd, args, prefix, pipe)
 
@@ skipping 173 matching lines @@
     if not self.GitIsWorkdirClean():  # pragma: no cover
       self.Die("Workspace is not clean. Please commit or undo your changes.")
 
     # Persist current branch.
     self["current_branch"] = self.GitCurrentBranch()
 
     # Fetch unfetched revisions.
     self.GitSVNFetch()
 
   def PrepareBranch(self):
-    # Get ahold of a safe temporary branch and check it out.
-    if self["current_branch"] != self._config[TEMP_BRANCH]:
-      self.DeleteBranch(self._config[TEMP_BRANCH])
-      self.GitCreateBranch(self._config[TEMP_BRANCH])
-
     # Delete the branch that will be created later if it exists already.
     self.DeleteBranch(self._config[BRANCHNAME])
 
   def CommonCleanup(self):
     self.GitCheckout(self["current_branch"])
-    if self._config[TEMP_BRANCH] != self["current_branch"]:
-      self.GitDeleteBranch(self._config[TEMP_BRANCH])
     if self._config[BRANCHNAME] != self["current_branch"]:
       self.GitDeleteBranch(self._config[BRANCHNAME])
 
     # Clean up all temporary files.
     Command("rm", "-f %s*" % self._config[PERSISTFILE_BASENAME])
 
   def ReadAndPersistVersion(self, prefix=""):
     def ReadAndPersist(var_name, def_name):
       match = re.match(r"^#define %s\s+(\d*)" % def_name, line)
       if match:
@@ skipping 200 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 1
     return 0
 
   def Run(self, args=None):
     return self.RunSteps(self._Steps(), args)