post_install() {
  getent passwd otrs > /dev/null || useradd -r -M -N -g http -s /bin/bash -d /usr/share/webapps/otrs otrs > /dev/null
  /usr/share/webapps/otrs/bin/./otrs.SetPermissions.pl \
    --otrs-user=otrs  \
    --web-group=http  \
      /usr/share/webapps/otrs > /dev/null
  chmod 2775 /usr/share/webapps/otrs
}

post_remove() {
   userdel -rf otrs
}

pre_upgrade() {
    chown 0:0 -R /etc/webapps/otrs
    chown 0:0 -R /usr/share/webapps/otrs
}

post_upgrade() {
  /usr/share/webapps/otrs/bin/./otrs.SetPermissions.pl \
    --otrs-user=otrs  \
    --web-group=http  \
      /usr/share/webapps/otrs > /dev/null
  chmod 2775 /usr/share/webapps/otrs
}