This file is indexed.

postinst is in debconf-utils 1.5.58ubuntu1.

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.

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#!/bin/sh
set -e


# directory turned into symlink; give dpkg a hand.
if [ ! -L /usr/share/doc/debconf-utils ] && \
   [ -e /usr/share/doc/debconf-utils ]; then
   	rmdir /usr/share/doc/debconf-utils
	ln -sf debconf /usr/share/doc/debconf-utils
fi