By Thomas_H 2021/02/14

#!/bin/bash
#
##############################################################################
# first we declare some variables. A good programmer is a lazy programmer :)
##############################################################################
opsiproduct_path="/home/opsiproducts"                # as recommended by uib it's always /home/opsiproducts
product="foxit-reader"                                   # just an example
setupname="foxit_x86_setup.exe"                   # just an example
geturl="https://www.foxit.com/downloads" # move the rest beginning from the last slash to var urladd!
urladd="/latest.html?product=Foxit-Reader&platform=Windows&version=&package_type=&language=German&distID=" # minimum a slash / we add this at the end of $geturl
# Attention! following grepvar-string is a regular expression!! Leave the [^"]* at the end!!
grepvar=""
searchstr=""
alt_ver=$(date +"%y%m%d")
# Where is the first digit of the version-number?
startpos=0
##############################################################################
#
#
# first, let's remove the last valid exe-file
# --- rm $opsiproduct_path/$product/CLIENT_DATA/$setupname
# get the new setup-file from website and rename it to a standard file name (so no need to change the setup.ins :P )

if [ "$grepvar" == "" ]; then
    setupprg=$setupname
else
    setupprg=$( wget --no-check-certificate $geturl -q -O- | grep -o $grepvar )
fi

echo setupprg=$setupprg
wget --no-check-certificate "$geturl$urladd$setupprg" -O $opsiproduct_path/$product/CLIENT_DATA/$setupname
# let's change the directory to the package
cd $opsiproduct_path/$product/
# remove the *.opsi-files
rm *.opsi
rm *.zsync
rm *.md5
# to find out, which version it is, we do a little bit of awk
if [ $startpos != 0 ]; then
    pos=$(echo $setupprg | grep -b -o $searchstr | awk 'BEGIN {FS=":"}{print $1}')
    # well done, we found it.
    version=$(echo $setupprg | cut -c$startpos-$pos)
else
    version=$alt_ver
fi
echo Version=$version
# now let's change the /OPSI/control file
sed "s/version:.*/version: $version /g" $opsiproduct_path/$product/OPSI/control > $opsiproduct_path/$product/OPSI/control.new
mv $opsiproduct_path/$product/OPSI/control.new $opsiproduct_path/$product/OPSI/control
# make new package, but quiet
opsi-makepackage -q
opsi-package-manager -i *.opsi