vpnclient_ynh/scripts/upgrade

#!/bin/bash

ynh_setting() {
  app=${1}
  setting=${2}

  sudo grep "^${setting}:" "/etc/yunohost/apps/${app}/settings.yml" | sed s/^[^:]\\+:\\s*[\"\']\\?// | sed s/\\s*[\"\']\$//
}

domain=$(ynh_setting vpnclient domain)
path=$(ynh_setting vpnclient path)
server_name=$(ynh_setting vpnclient server_name)

tmpdir=$(mktemp -dp /tmp/ vpnclient-upgrade-XXXXX)
sudo cp -a /etc/openvpn/keys/ "${tmpdir}/"

export VPNCLIENT_UPGRADE=1
sudo bash /etc/yunohost/apps/vpnclient/scripts/remove
bash ./install "${domain}" "${path}" "${server_name}"

sudo cp -a "${tmpdir}/keys/"* /etc/openvpn/keys/ 2> /dev/null
sudo rm -r "${tmpdir}/"

sudo systemctl start ynh-vpnclient

exit 0