Add extension to get_workspace_status.

Summary: This allows our linters to run correctly.

Test Plan: existing

Reviewers: michelle, vihang

Reviewed By: michelle, vihang

Differential Revision: https://phab.corp.pixielabs.ai/D8321

GitOrigin-RevId: 0eb9cae8815c85d467be6596bd8cc62fe81125cf

.bazelrc

@@ -11,7 +11,7 @@ build:clang --action_env=CC=/opt/clang-11.1/bin/clang
 build:clang --action_env=CXX=/opt/clang-11.1/bin/clang++
 
 # Get version information into the build.
-build --workspace_status_command=bazel/get_workspace_status
+build --workspace_status_command=bazel/get_workspace_status.sh
 
 # We only have support for python3 on the Ubuntu 20.04 image.
 build --host_force_python=PY3

bazel/get_workspace_status → bazel/get_workspace_status.sh

 #!/bin/bash
 
-# This file was imported from
+# Copyright 2018- The Pixie 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.
+#
+# SPDX-License-Identifier: Apache-2.0
+
+# This file was inspired by:
 # https://github.com/envoyproxy/envoy/blob/master/bazel/get_workspace_status
 
 # This script will be run bazel when building process starts to