Postinstall script for SAP GUI 7.50 rev 5 installer for macOS

postinstall.sh

#!/bin/bash

INSTALLERS=$(/bin/ls "${0%/*}"/PlatinGUI*.jar)
INSTALL_PATH="/Applications/SAP Clients"
JAVA_HOME=$(/usr/libexec/java_home)
JAVA_BIN="$JAVA_HOME/bin/java"
JAVAOPENJFX=$(/usr/bin/find /Library/Java/JavaVirtualMachines -maxdepth 1 -iname "*javafx*" -type d | /usr/bin/head -1)
JAVAOPENJFX_INSTALLED="$JAVAOPENJFX/lib/javafx.properties"

ERROR=0
IFS=$'\n'


function log {
	echo "$1"
	/usr/bin/logger "SAPGUI Installer: $1"
}

if [[ -d "$JAVA_HOME" && -x "$JAVA_BIN" ]]; then
  
  if [[ -f "$JAVAOPENJFX_INSTALLED" ]] || [[ -f "$JAVA_HOME/jre/lib/javafx.properties" ]]; then
  
    if [[ -n "$JAVAOPENJFX" ]]; then
       JAVAJFX="$JAVAOPENJFX/lib"
    fi

	for INSTALL in ${INSTALLERS}; do

        if [[ -n "$JAVAOPENJFX" ]]; then
		  log "Attempting to install $INSTALL ..."
		  "$JAVA_BIN" -jar "$INSTALL" -a "$JAVAJFX" --nogui --force --nodesktopicons --installdir "$INSTALL_PATH" >/dev/null 2>&1
		else
		  log "Attempting to install $INSTALL ..."
		  "$JAVA_BIN" -jar "$INSTALL" --nogui --force --nodesktopicons --installdir "$INSTALL_PATH" >/dev/null 2>&1
		fi
	
		if [[ $? -ne 0 ]]; then
			log "ERROR! Installation of $INSTALL failed"
			ERROR=1
			break
		else
			log "Successfully installed $INSTALL"
		fi
	done
  else
	log "ERROR! Java JFX is not installed."
	ERROR=1 
  fi
else
	log "ERROR! Java not found"
	ERROR=1
fi

exit $ERROR