Move description.sh from hack/ to hooks/

Just to get everything in one place...

hooks/description.sh

@@ -1,26 +0,0 @@
-#!/bin/bash
-
-# Copyright 2014 The Kubernetes Authors All rights reserved.
-#
-# 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.
-
-# Print 1 if the file in $1 is not in need of additional field descriptions, 0 otherwise.
-FILE="$1"
-
-if grep json: "${FILE}" | grep -v // | grep -v ,inline | grep -v -q description: ; then
-  echo "0"
-else
-  echo "1"
-fi
-exit 0
-

hooks/pre-commit

@@ -60,8 +60,8 @@ files_need_description=()
 # Check API schema definitions for field descriptions
 for file in $(git diff --cached --name-only --diff-filter ACM | egrep "pkg/api/v.[^/]*/types\.go" | grep -v "third_party"); do
   # Check for files with fields without description tags
-  descriptionless=$("${KUBE_HOOKS_DIR}/description.sh" "${file}")
-  if [[ "$descriptionless" -eq "0" ]]; then
+  descriptionless=$(hack/verify-description.sh "${file}")
+  if [[ "$descriptionless" != "" ]]; then
     files_need_description+=("${file}")
   fi
 done
@@ -141,3 +141,5 @@ if [[ "${exit_code}" != 0 ]]; then
   echo "${red}Aborting commit${reset}"
 fi
 exit ${exit_code}
+
+# ex: ts=2 sw=2 et filetype=sh