#!/bin/bash set -e #set -x function preinst_init() { export APP_NAME=bianbu-ai-support export APP_DATA=/usr/share/applications } function preinst_install() { : } function preinst_upgrade() { : } function preinst_main() { if [ $# -eq 0 ]; then return; fi preinst_init case $1 in install ) shift; preinst_install $@;; upgrade ) shift; preinst_upgrade $@;; esac } args="$@" preinst_main $@