#! /bin/sh
# postinst script for collectd
#
# see: dh_installdeb(1)

set -e

# summary of how this script can be called:
#        * <postinst> `configure' <most-recently-configured-version>
#        * <old-postinst> `abort-upgrade' <new version>
#        * <conflictor's-postinst> `abort-remove' `in-favour' <package>
#          <new-version>
#        * <postinst> `abort-remove'
#        * <deconfigured's-postinst> `abort-deconfigure' `in-favour'
#          <failed-install-package> <version> `removing'
#          <conflicting-package> <version>
# for details, see http://www.debian.org/doc/debian-policy/ or
# the debian-policy package

if [ -x "/etc/init.d/collectd" ]; then
	if [ -x "`which invoke-rc.d 2>/dev/null`" ]; then
		invoke-rc.d collectd restart || true
	else
		/etc/init.d/collectd restart || true
	fi
fi

# the init script waits for MAXWAIT (as defined in /etc/default/collectd),
# if the process is still running then this might break our upgrade process,
# so try to clean up then...
for pidfile in /var/run/collectd.pid /var/run/collectdmon.pid ; do
  if [ -r "$pidfile" ] ; then
    PID=$(cat "$pidfile" 2>/dev/null) || true
    if [ -n "$PID" ] ; then
      echo "Force killing collectd process (${PID})"
      kill -9 "$PID" || true
    fi
  fi
done

# replace the directory provided by older versions of the package with a
# symlink; dpkg does not handle that according to policy 6.6
if [ "$1" = "configure" ] \
		&& dpkg --compare-versions "$2" lt-nl "4.10.0-1~"; then
	if [ -d "/usr/share/doc/collectd/examples" ]; then
		! rmdir /usr/share/doc/collectd/examples > /dev/null 2>&1 \
			|| ln -s ../collectd-core/examples \
				/usr/share/doc/collectd/examples
	fi
fi

# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.

#DEBHELPER#

exit 0

