From f8863791f71a0705bb751fefb736e5cf133989cb Mon Sep 17 00:00:00 2001
From: mbohlool <mehdy@google.com>
Date: Thu, 3 Nov 2016 17:10:07 -0700
Subject: [PATCH] Add verify script federation OpenAPI spec generation

---
 hack/verify-federation-openapi-spec.sh | 47 ++++++++++++++++++++++++++
 hooks/pre-commit                       | 12 +++++++
 2 files changed, 59 insertions(+)
 create mode 100755 hack/verify-federation-openapi-spec.sh

diff --git a/hack/verify-federation-openapi-spec.sh b/hack/verify-federation-openapi-spec.sh
new file mode 100755
index 0000000000..df407a0842
--- /dev/null
+++ b/hack/verify-federation-openapi-spec.sh
@@ -0,0 +1,47 @@
+#!/bin/bash
+
+# Copyright 2016 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.
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+KUBE_ROOT=$(dirname "${BASH_SOURCE}")/..
+source "${KUBE_ROOT}/hack/lib/init.sh"
+
+kube::golang::setup_env
+
+SPECROOT="${KUBE_ROOT}/federation/apis/openapi-spec"
+TMP_SPECROOT="${KUBE_ROOT}/_tmp_federation/openapi-spec"
+_tmp="${KUBE_ROOT}/_tmp_federation"
+
+mkdir -p "${_tmp}"
+cp -a "${SPECROOT}" "${TMP_SPECROOT}"
+trap "cp -a ${TMP_SPECROOT} ${SPECROOT}/..; rm -rf ${_tmp}" EXIT SIGINT
+rm ${SPECROOT}/*
+
+"${KUBE_ROOT}/hack/update-federation-openapi-spec.sh"
+echo "diffing ${SPECROOT} against freshly generated federation openapi spec"
+ret=0
+diff -Naupr -I 'Auto generated by' "${SPECROOT}" "${TMP_SPECROOT}" || ret=$?
+if [[ $ret -eq 0 ]]
+then
+  echo "${SPECROOT} up to date."
+else
+  echo "${SPECROOT} is out of date. Please run hack/update-federation-openapi-spec.sh"
+  exit 1
+fi
+
+# ex: ts=2 sw=2 et filetype=sh
diff --git a/hooks/pre-commit b/hooks/pre-commit
index 0f0138b72c..832f11f3d8 100755
--- a/hooks/pre-commit
+++ b/hooks/pre-commit
@@ -170,6 +170,18 @@ else
 fi
 echo "${reset}"
 
+echo -ne "Checking for federation openapi spec that need updating... "
+if ! hack/verify-federation-openapi-spec.sh > /dev/null; then
+  echo "${red}ERROR!"
+  echo "Federation OpenAPI spec needs to be updated."
+  echo "To regenerate the spec, run:"
+  echo "  hack/update-federation-openapi-spec.sh"
+  exit_code=1
+else
+  echo "${green}OK"
+fi
+echo "${reset}"
+
 if [[ "${exit_code}" != 0 ]]; then
   echo "${red}Aborting commit${reset}"
 fi