Add a goimports verification

hack/update-all.sh

@@ -23,3 +23,4 @@ REPO_PATH=$(get_root_path)
 
 "${REPO_PATH}"/hack/update-deps.sh
 "${REPO_PATH}"/hack/update-gofmt.sh
+"${REPO_PATH}"/hack/update-goimports.sh

hack/update-goimports.sh

@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+# Copyright 2019 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.
+
+# script to run gofmt over our code (not vendor)
+set -o errexit
+set -o nounset
+set -o pipefail
+
+# shellcheck source=/dev/null
+source "$(dirname "$0")/utils.sh"
+# cd to the root path
+cd_root_path
+
+# update go imports
+goimports -w ./

hack/verify-all.sh

@@ -53,6 +53,12 @@ if [[ "${VERIFY_GOFMT:-true}" == "true" ]]; then
   cd "${REPO_PATH}"
 fi
 
+if [[ "${VERIFY_GOIMPORTS:-true}" == "true" ]]; then
+  echo "[*] Verifying goimports..."
+  hack/verify-goimports.sh || res=1
+  cd "${REPO_PATH}"
+fi
+
 if [[ "${VERIFY_GOLINT:-true}" == "true" ]]; then
   echo "[*] Verifying golint..."
   hack/verify-golint.sh || res=1

hack/verify-goimports.sh

@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+# Copyright 2019 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
+
+# shellcheck source=/dev/null
+source "$(dirname "$0")/utils.sh"
+# cd to the root path
+cd_root_path
+
+# check for goimports diffs
+diff=$(git ls-files | grep "\.go" | grep -v "\/vendor" | xargs goimports -d  2>&1)
+if [[ -n "${diff}" ]]; then
+  echo "${diff}"
+  echo
+  echo "Check failed. Please run hack/update-goimports.sh"
+  exit 1
+fi