postinst is in unhide 20121229-1.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 | #!/bin/sh
set -e
case "${1}" in
    configure)
        # See #662588
		if [ -n "$2" ]; then
            if dpkg --compare-versions "$2" le "20110113-3"; then
                update-alternatives --quiet --remove-all unhide || true
            fi
        fi
		;;
	*)
		echo "prerm called with unknown argument \`${1}'" >&2
		exit 1
		;;
esac
exit 0
 |