This file is indexed.

postinst is in dnsmasq 2.68-1.

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

if [ -x /etc/init.d/dnsmasq ]; then
   update-rc.d dnsmasq defaults 15 85 >/dev/null

   if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ]; then
      if [ -e /var/run/dnsmasq/dnsmasq.pid ]; then
          ACTION=restart
      else
          ACTION=start
      fi

      if [ -x /usr/sbin/invoke-rc.d ] ; then
         invoke-rc.d dnsmasq $ACTION || true
      else
         /etc/init.d/dnsmasq $ACTION || true
      fi
   fi
fi