Disable version increment and tagging until after the git migration.

tools/push-to-trunk/bump_up_version.py

Index: tools/push-to-trunk/bump_up_version.py
diff --git a/tools/push-to-trunk/bump_up_version.py b/tools/push-to-trunk/bump_up_version.py
index fdb02bcf5716fbd4ccbc02d7d4721b1cdb8c2ad8..4a10b86615ed0ae9282aba7bc0b2cd719879f5d9 100755
--- a/tools/push-to-trunk/bump_up_version.py
+++ b/tools/push-to-trunk/bump_up_version.py
@@ -28,11 +28,17 @@ from common_includes import *
 VERSION_BRANCH = "auto-bump-up-version"
 
 
-#TODO(machenbach): Add vc interface that works on git mirror.
+# TODO(machenbach): Add vc interface that works on git mirror.
 class Preparation(Step):
   MESSAGE = "Preparation."
 
   def RunStep(self):
+    # TODO(machenbach): Remove after the git switch.
+    if(self.Config("PERSISTFILE_BASENAME") ==
+       "/tmp/v8-bump-up-version-tempfile"):
+      print "This script is disabled until after the v8 git migration."
+      return True
+
     # Check for a clean workdir.
     if not self.GitIsWorkdirClean():  # pragma: no cover
       # This is in case a developer runs this script on a dirty tree.