#!/bin/bash
set -euxo pipefail

preferences="/Library/Managed Preferences"
if [ ! -d "$preferences" ]
then
  mkdir -p "$preferences"
fi

# https://chromeenterprise.google/policies/#ExtensionManifestV2Availability
sudo tee "$preferences/com.google.Chrome.plist" >/dev/null <<EOF
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
  <dict>
    <key>ExtensionManifestV2Availability</key>
    <integer>2</integer>
  </dict>
</plist>
EOF

# https://support.google.com/chrome/a/answer/7591084
sudo tee "$preferences/com.google.Keystone.plist" >/dev/null <<EOF
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
  <dict>
    <key>updatePolicies</key>
    <dict>
      <key>global</key>
      <dict>
        <key>UpdateDefault</key>
        <integer>3</integer>
      </dict>
    </dict>
  </dict>
</plist>
EOF