Fix bug with git packages with no matching ebuild.

bin/cbuildbot.py

 #!/usr/bin/python
 
 # Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """CBuildbot is wrapper around the build process used by the pre-flight queue"""
 
 import errno
 import optparse
@@ skipping 181 matching lines @@
 
   """
   # Using a dictionary removes duplicates.
   revisions = {}
   for revision in revision_string.split():
     # Format 'package@commit-id'.
     revision_tuple = revision.split('@')
     if len(revision_tuple) != 2:
       print >> sys.stderr, 'Incorrectly formatted revision %s' % revision
     repo_name = revision_tuple[0].replace('.git', '')
-    # May be many corresponding packages to a given git repo e.g. kernel)
-    for package in repo_dictionary[repo_name]:
-      revisions[package] = revision_tuple[1]
+    # Might not have entry if no matching ebuild.
+    if repo_dictionary.has_key(repo_name):
+      # May be many corresponding packages to a given git repo e.g. kernel).
+      for package in repo_dictionary[repo_name]:
+        revisions[package] = revision_tuple[1]
   return revisions.items()
 
 
 def _UprevFromRevisionList(buildroot, revision_list):
   """Uprevs based on revision list."""
   package_str = ''
   commit_str = ''
   for package, revision in revision_list:
     package_str += package + ' '
     commit_str += revision + ' '
@@ skipping 160 matching lines @@
       _UprevCleanup(buildroot)
   except:
     # something went wrong, cleanup (being paranoid) for next build
     if clobber:
       RunCommand(['sudo', 'rm', '-rf', buildroot], print_cmd=False)
     raise
 
 
 if __name__ == '__main__':
     main()