pre_install() {
  if ! getent group gogs >/dev/null; then
    groupadd --system gogs
  fi
  if ! getent passwd gogs >/dev/null; then
    useradd -m --system -c 'gogs daemon users' -g gogs -s /bin/false gogs
  fi
  chsh gogs -s /usr/bin/bash
}

post_install(){
	mkdir -p /var/log/gogs
	chown -R gogs:gogs /var/log/gogs
	chown -R gogs:gogs /srv/gogs

	systemctl daemon-reload
}

pre_upgrade(){
	systemctl stop gogs.service
	
	pre_install $1
}

post_upgrade() {
	post_install $1
	systemctl start gogs.service
}

pre_remove() {
	systemctl stop gogs.service
	systemctl disable gogs.service
}

post_remove() {
  if getent passwd gogs >/dev/null; then
    userdel -r gogs
  fi
  if getent group gogs >/dev/null; then
    groupdel gogs
  fi
}