This file is indexed.

postrm is in gnats 4.1.0-3+deb9u1.

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
#
# Gnats installation script -- written by Brian White <bcwhite@pobox.com>
# (This was my very first attempt at learning perl... please forgive me!)
#
# Forgiving -- rewritten to bash :-) by Milan Zamazal <pdm@debian.org>.
# ...and streamlined with SED by Chad Walstrom <chewie@debian.org>

set -e

###############################################################################
#
# Utility functions
#

# Call arguments and never return error
protect () { "$@" || true; }

###############################################################################
#
# Common initialization for install scripts
#
if [ -f /usr/share/debconf/confmodule ]; then
	. /usr/share/debconf/confmodule
fi

###############################################################################
#
# Purging actions
#

if [ "$1" = purge ]; then
  # Purge gnats database
  protect rm -rf /var/lib/gnats/gnats-db /var/lib/gnats/gnats-db.old

  # Remove the inetd setting when purging this package.
  if [ -e "/usr/sbin/update-inetd" ] ; then
  	update-inetd --remove "#?support.*"
  fi

  # Remove debconf templates and data
  db_purge || true
fi

###############################################################################
#
# Automatically added debhelper stuff
#