#!/bin/bash
#$Id: check-compat32,v 1.2 2019/12/12 20:49:51 eha Exp eha $
#
# Purpose:
#   To check if any of the installed -compat32 packages is older than
#   the accompanying 64-bit package.
#
# Author:
#   Eric Hameleers <alien@slackware.com>
#

# No verbose output by default:
DEBUG=0

showhelp () {
cat <<EOT

Script name:
  $(basename $0)
Purpose:
  To check if any of the installed -compat32 packages is older than
  the accompanying 64-bit package.
Usage:
  Run the program without parameters to make it check your packages.
Parameters:
  -h|--help        Show this help text
  -v|--verbose     Verbose output

EOT
}

# Parse the commandline parameters:
while [ ! -z "$1" ]; do
  case $1 in
    -h|--help)
      showhelp
      exit 0
      ;;
    -v|--verbose)
      DEBUG=1
      shift
      ;;
    -*)
      echo "Unsupported parameter '$1'!"
      exit 1
      ;;
    *)
      # Do nothing
      shift
      ;;
  esac
done


# Loop through the -compat32 packages we find installed,
# and compare their versions to the 64-bit packages
[ $DEBUG -ne 0 ] && echo "-- Checking installed packages..."
for FULL32 in $(find /var/log/packages/ -name "*-compat32-*") ; do
  PKG32=$(echo ${FULL32} |cut -f5 -d'/' |rev |cut -f4- -d'-' |rev)
  VER32=$(echo ${FULL32} |cut -f5 -d'/' |rev |cut -f3 -d'-' |rev)

  [ $DEBUG -ne 0 ] && echo ">> Found '$PKG32'..."

  PKG64=$(echo ${FULL32} |cut -f5 -d'/' |rev |cut -f5- -d'-' |rev)
  # Differentiate between eg. 'openssl' and 'openssl-solibs':
  VER64=$( for PACK in $(find /var/log/packages/ -name "${PKG64}-*" |grep -v -- -compat32) ; do if [ "$(echo $PACK |cut -f5 -d'/' |rev |cut -f4- -d'-' |rev)" = "${PKG64}" ]; then echo $(echo $PACK |cut -f5 -d'/' | rev | cut -f3 -d'-' |rev) ; fi ; done )

  # Issue a warning if the version of the 64-bit package differs:
  if [ -n "$VER64" -a "$VER32" != "$VER64" ]; then
      echo "** Package '$PKG64' has version '$VER64' but package '$PKG32' has version '$VER32'"
  fi
done

[ $DEBUG -ne 0 ] && echo "-- Finished checking installed packages."