# arg 1: the new package version pre_install () { echo "" } pre_upgrade () { echo "" } post_install () { [ -e /sbin/halt.init ] || ln -sf /sbin/halt.init /sbin/reboot.init [ -e /sbin/halt.init ] || ln -sf /sbin/halt.init /sbin/poweroff.init } # arg 1: the new package version # arg 2: the old package version post_upgrade(){ post_install } op=$1 shift $op $*