# arg 1:  the new package version
# arg 2:  the old package version
post_upgrade() {
  if [ "$(vercmp $2 2.13.25)" -le 0 ]; then
    cat << EOF
===> zsh completions are no longer automatically enabled.
===> You can put the following line in a zsh startup script
===> or run it manually before using aws zsh completions.
===>     source /usr/bin/aws_zsh_completer.sh
EOF
  fi
}