Squashed 'libs/protobuf/' content from commit fcd3b9a85

git-subtree-dir: libs/protobuf
git-subtree-split: fcd3b9a85ef36e46643dc30176cea1a7ad62e02b

kokoro/macos/prepare_build_macos_rc

@@ -0,0 +1,41 @@
+#!/bin/bash
+#
+# This script sets up a Kokoro MacOS worker for running Protobuf tests
+
+set -eux
+
+export HOMEBREW_PREFIX=$(brew --prefix)
+
+##
+# Select Xcode version
+export DEVELOPER_DIR=/Applications/Xcode_14.app/Contents/Developer
+sudo xcode-select -s "${DEVELOPER_DIR}"
+
+##
+# Use Python 2 by default (for googletest)
+pyenv global 2.7.18
+
+##
+# Setup RVM
+if [[ "${KOKORO_INSTALL_RVM:-}" == "yes" ]] ; then
+    git config --global --add safe.directory $HOMEBREW_PREFIX/Library/Taps/homebrew/homebrew-cask
+    git config --global --add safe.directory $HOMEBREW_PREFIX/Library/Taps/homebrew/homebrew-core
+    git config --global --add safe.directory $HOMEBREW_PREFIX/Library/Taps/homebrew/homebrew-services
+    sudo chown -R $(whoami) $HOME/.rvm/
+fi
+
+# "Install" valgrind if it doesn't exist
+##
+if [ ! -x "$(command -v valgrind)" ]; then
+    echo "#! /bin/bash" > valgrind
+    chmod ug+x valgrind
+    sudo mv valgrind /usr/local/bin/valgrind
+fi
+
+##
+# Install Virtual Python Environment
+
+if [[ "${KOKORO_INSTALL_VENV:-}" == "yes" ]] ; then
+    python3 -m venv venv
+    source venv/bin/activate
+fi