add script to build everything

hack/ci/build-all.sh

@@ -0,0 +1,43 @@
+#!/usr/bin/env bash
+# Copyright 2018 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.
+
+# simple script to ensure all of our builds work
+
+set -o errexit
+set -o nounset
+set -o pipefail
+set -o verbose
+
+# cd to the repo root
+REPO_ROOT=$(git rev-parse --show-toplevel)
+cd "${REPO_ROOT}"
+
+exit_trap() {
+  # we _want_ to check the exit code directly
+  # shellcheck disable=SC2181
+  if [ "$?" -eq 0 ]; then
+    echo "Build passed!"
+  else
+    echo "Build Failed!"
+  fi
+}
+
+trap exit_trap EXIT
+
+# build go binaries without bazzel
+go install .
+
+# build the entire repo with bazel
+bazel build //...