macOSInstallerConfusion.sh

#!/bin/sh
# Script that creates two installer packages with the same destination app
# but different CFBundleIdentifiers.
# These trigger in macOS installer the creation of a .localized version

mkdir -p /tmp/test/Applications/Test.app/Contents
/usr/libexec/plistbuddy -c "Add :CFBundleIdentifier string macadmins.test.1" /tmp/test/Applications/Test.app/Contents/Info.plist
pkgbuild --root /tmp/test /tmp/test.1.pkg

/usr/libexec/plistbuddy -c "Set :CFBundleIdentifier string macadmins.test.2" /tmp/test/Applications/Test.app/Contents/Info.plist
pkgbuild --root /tmp/test /tmp/test.2.pkg

sudo installer -pkg /tmp/test.1.pkg  -tgt /
sudo installer -pkg /tmp/test.2.pkg  -tgt /