#!/bin/sh

set -e

#make sure that a copy of invoke-rc.d and service helper exists:
# they need to be restored in postrm when the diversion is removed
for f in invoke-rc.d service; do
    if [ -e /usr/sbin/"$f" ] && [ ! -e /usr/sbin/"$f".real ]; then
      echo " copying $f into $f.real"
      cp /usr/sbin/"$f" /usr/sbin/"$f".real
    fi
done
for f in invoke-rc.d.8.gz service.8.gz ; do
    if [ -e /usr/share/man/man8/"$f" ] && [ ! -e /usr/share/man/man8/"$f".real ]; then
      echo " copying $f into $f.real"
      cp /usr/share/man/man8/"$f" /usr/share/man/man8/"$f".real
    fi
done

# install helpers with runit support; alternative way to address #924132
if [ upgrade = "$1" ] || [ install = "$1" ]; then
    dpkg-divert --package runit-init --no-rename \
        --divert /usr/sbin/invoke-rc.d.real --add /usr/sbin/invoke-rc.d
    dpkg-divert --package runit-init  --no-rename \
        --divert /usr/sbin/service.real --add /usr/sbin/service
    # install helpers manpages edited with runit support;
    dpkg-divert --package runit-init --no-rename \
        --divert /usr/share/man/man8/invoke-rc.d.8.gz.real --add /usr/share/man/man8/invoke-rc.d.8.gz
    dpkg-divert --package runit-init  --no-rename \
        --divert /usr/share/man/man8/service.8.gz.real --add /usr/share/man/man8/service.8.gz
fi



exit 0