postinst is in fuse 2.9.7-1ubuntu1.
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 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44  | #!/bin/sh
set -e
chrooted() {
	if [ "$(stat -c %d/%i /)" = "$(stat -Lc %d/%i /proc/1/root 2>/dev/null)" ]; then
		# the devicenumber/inode pair of / is the same as that of
		# /sbin/init's root, so we're *not* in a chroot and hence
		# return false.
		return 1
	fi
	return 0
}
case "${1}" in
	configure)
		if [ -c /dev/cuse ] && ! chrooted
		then
			chmod 0600 /dev/cuse > /dev/null 2>&1
		fi
		if ! dpkg-statoverride --list /bin/fusermount > /dev/null 2>&1
		then
			chmod 4755 /bin/fusermount
		fi
		if [ -x /usr/sbin/update-initramfs ]
		then
			update-initramfs -u
		fi
		;;
	abort-upgrade|abort-remove|abort-deconfigure)
		;;
	*)
		echo "postinst called with unknown argument \`${1}'" >&2
		exit 1
		;;
esac
exit 0
 |