diff --git a/close_pull_requests.py b/close_pull_requests.py
new file mode 100755
index 0000000..0355e90
--- /dev/null
+++ b/close_pull_requests.py
@@ -0,0 +1,78 @@
+#! /usr/bin/env python
+# Copyright (C) 2011 OpenStack, LLC.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+# Close Github pull requests with instructions to use Gerrit for
+# code review.  The list of projects is found in github.config
+# and should look like:
+
+# [project "GITHUB_PROJECT"]
+# close_pull = true
+
+# Github authentication information is read from github.secure.config,
+# which should look like:
+
+# [github]
+# username = GITHUB_USERNAME
+# api_token = GITHUB_API_TOKEN
+
+import github2.client
+import os
+import StringIO
+import ConfigParser
+import logging
+import re
+
+logging.basicConfig(level=logging.ERROR)
+
+GITHUB_CONFIG = os.environ.get('GITHUB_CONFIG',
+                               '/home/gerrit2/github.config')
+GITHUB_SECURE_CONFIG = os.environ.get('GITHUB_SECURE_CONFIG',
+                                      '/home/gerrit2/github.secure.config')
+
+MESSAGE = """Thank you for contributing to OpenStack!
+
+%(project)s uses Gerrit for code review.
+
+Please visit http://wiki.openstack.org/GerritWorkflow and follow the instructions there to upload your change to Gerrit.
+"""
+
+PROJECT_RE = re.compile(r'^project\s+"(.*)"$')
+
+secure_config = ConfigParser.ConfigParser()
+secure_config.read(GITHUB_SECURE_CONFIG)
+config = ConfigParser.ConfigParser()
+config.read(GITHUB_CONFIG)
+
+github = github2.client.Github(requests_per_second=1.0,
+                               username=secure_config.get("github", "username"),
+                               api_token=secure_config.get("github", "api_token"))
+
+for section in config.sections():
+    # Each section looks like [project "openstack/project"]
+    m = PROJECT_RE.match(section)
+    if not m: continue
+    project = m.group(1)
+
+    # Make sure we're supposed to close pull requests for this project:
+    if not (config.has_option(section, "close_pull") and
+            config.get(section, "close_pull").lower() == 'true'):
+        continue
+
+    # Close each pull request
+    pull_requests = github.pull_requests.list(project)
+    for req in pull_requests:
+        vars = dict(project=project)
+        github.issues.comment(project, req.number, MESSAGE%vars)
+        github.issues.close(project, req.number)