chore: import upstream snapshot with attribution

ci/official/envs/disk_cache

@@ -0,0 +1,20 @@
+# Copyright 2023 The TensorFlow 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.
+# ==============================================================================
+# Sourcing this enables local disk cache
+if [[ $(uname -s) == "Darwin" ]]; then
+  echo "Please note that using disk cache on macOS is not recommended because the"
+  echo "cache can end up being pretty big and make the build process inefficient."
+fi
+TFCI_BAZEL_COMMON_ARGS="$TFCI_BAZEL_COMMON_ARGS --disk_cache=$TFCI_OUTPUT_DIR/cache"