This file is indexed.

postinst is in postgresql-contrib-9.1 9.1.3-2.

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
#!/bin/sh

set -e

VERSION=9.1

. /usr/share/postgresql-common/maintscripts-functions

if [ "$1" = configure ]; then
    configure_contrib_version $VERSION "$2"
fi