debian/postinst

#!/bin/sh
set -e

# create a user to run as (code stolen from dovecot-common)
if [ "$1" = "configure" ]; then
  if [ -z "`id -u dnsmasq 2> /dev/null`" ]; then
    adduser --system  --home /var/lib/misc --gecos "dnsmasq" \
            --no-create-home --disabled-password \
            --quiet dnsmasq || true
  fi

  # Make the directory where we keep the pid file - this
  # has to be owned by "dnsmasq" do that the file can be unlinked.
  if [ ! -d /var/run/dnsmasq ]; then
    mkdir /var/run/dnsmasq
    chown dnsmasq:nogroup /var/run/dnsmasq
  fi

  # handle new location of pidfile during an upgrade
  if [ -e /var/run/dnsmasq.pid ]; then
      mv /var/run/dnsmasq.pid /var/run/dnsmasq
  fi
fi

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

# dpkg can botch the change of /usr/share/doc/dnsmasq from
# directory to symlink. Fix up here.
if [ ! -h /usr/share/doc/dnsmasq ] && { rmdir /usr/share/doc/dnsmasq; }; then
   cd /usr/share/doc/
   ln -s /usr/share/doc/dnsmasq-base dnsmasq
fi