#! /bin/bash

mkdir -p /tmp/check4contribsupdates.$$
TMPFILE=`mktemp /tmp/check4contribsupdates.$$/XXXXXXXXXX` || exit 1
TMP1=`mktemp /tmp/check4contribsupdates.$$/XXXXXXXXXX` || exit 1

MAILADDR=admin-dnf

dnf -e 0 -d 0 check-update --disablerepo=* --enablerepo=smecontribs > $TMP1
if [ $? = 100 ]; then
  echo -e "===\n=== dnf reports available updates for Contribs:\n===" >> $TMPFILE
  cat $TMP1 >> $TMPFILE
  echo -e "\n=== To apply *all* these updates, log on to your server  command line and
=== enter the following command:
    # dnf update --enablerepo=smecontribs" >> $TMPFILE
  echo -e "\n=== Alternatively you can update packages one at a time using the command:
=== (replace packagename with contrib name eg smeserver-wbl)
    # dnf update --enablerepo=smecontribs packagename
=== if needed, you might also be asked to run after dnf:
    # signal-event post-upgrade
    # signal-event reboot\n" >> $TMPFILE
fi

if [ -s $TMPFILE ]; then
  if [ "$1" = "-m" ]; then
    mail -s "SME Server Contribs Updates available for `hostname`" $MAILADDR < $TMPFILE
  else
    echo "SME Server Contribs Updates available for `hostname`"
    cat $TMPFILE
  fi
fi

rm -f $TMPFILE $TMP1
rm -fr /tmp/check4contribsupdates.*