This file is indexed.

postinst is in ruby-qt4 4:4.14.3-1ubuntu2.

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

# clean up obsolete diversions dating back to libqt4-ruby1.8/lenny
# perform the cleanup here in the "successor" ruby-qt4 since the
# transitional package libqt4-ruby1.8 may already have been removed
if [ "$1" = "configure" ]; then
	if [ -n "$(dpkg-divert --listpackage /usr/bin/rbqtapi)" ]; then
		dpkg-divert --remove --rename --package libqt4-ruby1.8 \
			--divert /usr/bin/rbqtapi.qt3 /usr/bin/rbqtapi
	fi
	if [ -n "$(dpkg-divert --listpackage /usr/share/man/man1/rbqtapi.1.gz)" ]; then
		dpkg-divert --remove --rename --package libqt4-ruby1.8 \
			--divert /usr/share/man/man1/rbqtapi.qt3.1.gz \
			/usr/share/man/man1/rbqtapi.1.gz 
	fi
fi