regenerate_stale_files.sh

#!/bin/bash

# This script runs the staleness tests and uses them to update any stale
# generated files.

set -ex

# Cd to the repo root.
cd $(dirname -- "$0")

# Upgrade to a supported gcc version
sudo add-apt-repository ppa:ubuntu-toolchain-r/test
sudo apt-get -y update && \
  sudo apt-get install -y \
    gcc-7 g++-7
sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-7 100 --slave /usr/bin/g++ g++ /usr/bin/g++-7
sudo update-alternatives --set gcc /usr/bin/gcc-7

# Run and fix all staleness tests.
bazel test //src:cmake_lists_staleness_test || ./bazel-bin/src/cmake_lists_staleness_test --fix
bazel test //src/google/protobuf:well_known_types_staleness_test || ./bazel-bin/src/google/protobuf/well_known_types_staleness_test --fix