+ if [ -z "$APT_KEY_DONT_WARN_ON_DANGEROUS_USAGE" ]; then
+ echo >&2 "Warning: 'apt-key update' is deprecated and should not be used anymore!"
+ if [ -z "$ARCHIVE_KEYRING" ]; then
+ echo >&2 "Note: In your distribution this command is a no-op and can therefore be removed safely."
+ exit 0
+ fi
+ fi