Add annotated steps script for validating that the version on dev and stable is always increasing w…

tools/bots/bot_utils.py

Index: tools/bots/bot_utils.py
===================================================================
--- tools/bots/bot_utils.py	(revision 35727)
+++ tools/bots/bot_utils.py	(working copy)
@@ -264,8 +264,9 @@
     else:
       gsutil_command = [sys.executable, GSUtil.GSUTIL_PATH]
 
-    run(gsutil_command + gsutil_args, env=env,
-        shell=(GSUtil.GSUTIL_IS_SHELL_SCRIPT and sys.platform == 'win32'))
+    return run(gsutil_command + gsutil_args, env=env,
+               shell=(GSUtil.GSUTIL_IS_SHELL_SCRIPT and
+                      sys.platform == 'win32'))
 
   def upload(self, local_path, remote_path, recursive=False, public=False):
     assert remote_path.startswith('gs://')
@@ -278,6 +279,13 @@
     args += [local_path, remote_path]
     self.execute(args)
 
+  def cat(self, remote_path):
+    assert remote_path.startswith('gs://')
+
+    args = ['cat', remote_path]
+    (stdout, _, _) = self.execute(args)
+    return stdout
+
   def setGroupReadACL(self, remote_path, group):
     args = ['acl', 'ch', '-g', '%s:R' % group, remote_path]
     self.execute(args)