Fix broken staleness GHA jobs.

This separates kokoro setup from the stale file regeneration process.

PiperOrigin-RevId: 496985475

kokoro/common/setup_kokoro_environment.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+
+set -eux
+
+# Upgrade to a supported gcc version
+sudo add-apt-repository ppa:ubuntu-toolchain-r/test
+sudo apt-get -y update && \
+  sudo apt-get install --no-install-recommends  -y --fix-missing --option Acquire::Retries=10 --option Acquire::http::Timeout="1800" \
+    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

kokoro/linux/32-bit/build.sh

@@ -16,6 +16,7 @@ CONTAINER_IMAGE=gcr.io/protobuf-build/php/32bit@sha256:8c3cf171ac8a3f91296517d82
 
 git submodule update --init --recursive
 use_bazel.sh 5.1.1
+sudo ./kokoro/common/setup_kokoro_environment.sh
 ./regenerate_stale_files.sh
 
 docker run \

kokoro/linux/cmake/build.sh

@@ -13,6 +13,7 @@ CONTAINER_IMAGE=gcr.io/protobuf-build/cmake/linux@sha256:79e6ed9d7f3f8e56167a330
 # Update git submodules and regenerate files
 git submodule update --init --recursive
 use_bazel.sh 5.1.1
+sudo ./kokoro/common/setup_kokoro_environment.sh
 ./regenerate_stale_files.sh
 
 tmpfile=$(mktemp -u)

kokoro/linux/cmake_install/build.sh

@@ -13,6 +13,7 @@ CONTAINER_IMAGE=gcr.io/protobuf-build/cmake/linux@sha256:79e6ed9d7f3f8e56167a330
 # Update git submodules and regenerate files
 git submodule update --init --recursive
 use_bazel.sh 5.1.1
+sudo ./kokoro/common/setup_kokoro_environment.sh
 ./regenerate_stale_files.sh
 
 tmpfile=$(mktemp -u)

kokoro/linux/cmake_ninja/build.sh

@@ -13,6 +13,7 @@ CONTAINER_IMAGE=gcr.io/protobuf-build/cmake/linux@sha256:79e6ed9d7f3f8e56167a330
 # Update git submodules and regenerate files
 git submodule update --init --recursive
 use_bazel.sh 5.1.1
+sudo ./kokoro/common/setup_kokoro_environment.sh
 ./regenerate_stale_files.sh
 
 tmpfile=$(mktemp -u)

kokoro/linux/cmake_shared/build.sh

@@ -13,6 +13,7 @@ CONTAINER_IMAGE=gcr.io/protobuf-build/cmake/linux@sha256:79e6ed9d7f3f8e56167a330
 # Update git submodules and regenerate files
 git submodule update --init --recursive
 use_bazel.sh 5.1.1
+sudo ./kokoro/common/setup_kokoro_environment.sh
 ./regenerate_stale_files.sh
 
 tmpfile=$(mktemp -u)

kokoro/linux/csharp_aarch64/build.sh

@@ -11,6 +11,7 @@ cd $(dirname $0)/../../..
 # Initialize any submodules and regenerate files
 git submodule update --init --recursive
 use_bazel.sh 5.1.1
+sudo ./kokoro/common/setup_kokoro_environment.sh
 ./regenerate_stale_files.sh
 
 kokoro/linux/aarch64/qemu_helpers/prepare_qemu.sh

kokoro/linux/java_linkage_monitor/build.sh

@@ -10,17 +10,10 @@ set -eux
 
 use_bazel.sh 4.2.2
 
-# 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
-
 # Change to repo root
 cd $(dirname $0)/../../..
 
+sudo ./kokoro/common/setup_kokoro_environment.sh
 bazel build //:protoc
 
 # The java build setup expects protoc in the root directory.

kokoro/linux/php_aarch64/build.sh

@@ -11,6 +11,7 @@ cd $(dirname $0)/../../..
 # Initialize any submodules and regenerate files.
 git submodule update --init --recursive
 use_bazel.sh 5.1.1
+sudo ./kokoro/common/setup_kokoro_environment.sh
 ./regenerate_stale_files.sh
 
 kokoro/linux/aarch64/qemu_helpers/prepare_qemu.sh

kokoro/linux/ruby_aarch64/build.sh

@@ -11,6 +11,7 @@ cd $(dirname $0)/../../..
 # Initialize any submodules and regenerate files.
 git submodule update --init --recursive
 use_bazel.sh 5.1.1
+sudo ./kokoro/common/setup_kokoro_environment.sh
 ./regenerate_stale_files.sh
 
 kokoro/linux/aarch64/qemu_helpers/prepare_qemu.sh

kokoro/macos-next/cpp/build.sh

@@ -22,8 +22,7 @@ cd $(dirname $0)/../../..
 # Update submodules and regenerate files
 #
 git submodule update --init --recursive
-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
+./regenerate_stale_files.sh
 
 #
 # Run build

regenerate_stale_files.sh

@@ -8,14 +8,6 @@ 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