From 7800f8e48c1aab0c4487edfc0d160c9c4d1d0f22 Mon Sep 17 00:00:00 2001
From: Justin Santa Barbara <justin@fathomdb.com>
Date: Wed, 15 Mar 2017 12:29:52 -0400
Subject: [PATCH] Python script to update submodule from Godeps

Generates bash files.  Rough and ready, but eliminates some tedious
updating.
---
 hack/deps.py | 61 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100755 hack/deps.py

diff --git a/hack/deps.py b/hack/deps.py
new file mode 100755
index 0000000000..72ad1c0d22
--- /dev/null
+++ b/hack/deps.py
@@ -0,0 +1,61 @@
+#!/usr/bin/env python
+
+# Copyright 2017 The Kubernetes Authors.
+#
+# 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.
+
+# This python script helps sync godeps from the k8s repos into our git submodules
+# It generates bash commands where changes are needed
+# We can probably also use it for deps when the time comes!
+
+import json
+import sys
+import subprocess
+from pprint import pprint
+from os.path import expanduser, join
+
+kops_dir = expanduser('~/k8s/src/k8s.io/kops')
+k8s_dir = expanduser('~/k8s/src/k8s.io/kubernetes')
+
+with open(join(k8s_dir, 'Godeps/Godeps.json')) as data_file:
+    godeps = json.load(data_file)
+
+#pprint(godeps)
+
+godep_map = {}
+
+for godep in godeps['Deps']:
+  #print("%s %s" % (godep['ImportPath'], godep['Rev']))
+  godep_map[godep['ImportPath']] = godep['Rev']
+
+
+process = subprocess.Popen(['git', 'submodule', 'status'], stdout=subprocess.PIPE, cwd=kops_dir)
+submodule_status, err = process.communicate()
+for submodule_line in submodule_status.splitlines():
+  tokens = submodule_line.split()
+  dep = tokens[1]
+  dep = dep.replace('_vendor/', '')
+  sha = tokens[0]
+  sha = sha.replace('+', '')
+  godep_sha = godep_map.get(dep)
+  if not godep_sha:
+    for k in godep_map:
+      if k.startswith(dep):
+        godep_sha = godep_map[k]
+        break
+  if godep_sha:
+    if godep_sha != sha:
+      print("# update needed: %s vs %s" % (godep_sha, sha))
+      print("pushd _vendor/{dep}; git fetch; git checkout {sha}; popd".format(dep=dep, sha=godep_sha))
+  else:
+    print("# UNKNOWN dep %s" % dep)