File: /var/lib/dpkg/info/dpkg.postinst
#!/bin/sh
# See deb-postinst(5).
set -e
# Create the database files if they don't already exist
create_database() {
    admindir=${DPKG_ADMINDIR:-/var/lib/dpkg}
    for file in diversions statoverride status; do
	if [ ! -f "$admindir/$file" ]; then
	    touch "$admindir/$file"
	fi
    done
}
# Create log file and set default permissions if possible
create_logfile() {
    logfile=$DPKG_ROOT/var/log/dpkg.log
    if [ ! -f "$logfile" ]; then
        touch "$logfile"
        chmod 644 "$logfile"
        chown root:root "$logfile" 2>/dev/null || chown 0:0 "$logfile"
    fi
}
case "$1" in
    configure)
	create_database
	create_logfile
	;;
    abort-upgrade|abort-deconfigure|abort-remove)
	;;
    *)
	echo "$0 called with unknown argument '$1'" 1>&2
	exit 1
	;;
esac
exit 0