Prints a hash of the boto file if gclient sync is run from a bot

gclient.py

Index: gclient.py
diff --git a/gclient.py b/gclient.py
index 5b159edb0442639b8f656ceb2e25b28e3e1a5e9d..3ddc58dc920fdbb6f96bb8e7dff6038b7d4bbfab 100755
--- a/gclient.py
+++ b/gclient.py
@@ -67,6 +67,7 @@ Specifying a target OS
 __version__ = "0.6.4"
 
 import copy
+import hashlib
 import logging
 import optparse
 import os
@@ -1544,6 +1545,21 @@ def CMDsync(parser, args):
   (options, args) = parser.parse_args(args)
   client = GClient.LoadCurrentConfig(options)
 
+  # Print some extra info if we are running on a bot.
+  if 'CHROME_HEADLESS' in os.environ and os.environ['CHROME_HEADLESS'] == '1':
+    if 'AWS_CREDENTIAL_FILE' in os.environ:
+      boto_location = os.environ['AWS_CREDENTIAL_FILE']
+    else:
+      boto_location = os.path.expanduser('~/.boto')
+    if os.path.exists(boto_location):
+      with open(boto_location) as f:
+        boto_hash = hashlib.sha1(f.read()).hexdigest()
+    else:
+      boto_hash = 'None'
+    print '===Bot Info==='
+    print 'Boto hash: %s' % boto_hash
+    print '===End Bot Info==='
+
   if not client:
     raise gclient_utils.Error('client not configured; see \'gclient config\'')