Adds scripts/setupGraalVM.sh so GraalVM 19 is installed with Native Image

scripts/setupGraalVM.sh

@@ -1,7 +1,21 @@
 #!/bin/bash
-echo "Starting to setup GraalVM"
-mkdir -p /opt/graalvm && cd /opt/graalvm
-wget https://github.com/graalvm/graalvm-ce-builds/releases/download/vm-22.3.0/graalvm-ce-java19-linux-amd64-22.3.0.tar.gz
-cd /opt/graalvm
-tar xzvf graalvm-ce-java19-linux-amd64-22.3.0.tar.gz --strip-components=1
-bin/gu install native-image
+
+GRAAL_INSTALL_FILENAME=graalvm-ce-java19-linux-amd64-$GRAAL_VERSION.tar.gz
+GRAAL_INSTALL_DIR=/opt/graalvm
+GRAAL_INSTALL_URL="https://github.com/graalvm/graalvm-ce-builds/releases/download/vm-${GRAAL_VERSION}/${GRAAL_INSTALL_FILENAME}" 
+####
+
+source ../VARIABLES
+if [ -d $GRAAL_INSTALL_DIR ] 
+then
+    echo "GraalVM Already Installed.  Have a nice day."
+else
+    echo "Starting to setup GraalVM from $GRAAL_INSTALL_URL to $GRAAL_INSTALL_DIR"
+
+    mkdir -p $GRAAL_INSTALL_DIR
+    cd $GRAAL_INSTALL_DIR
+    wget $GRAAL_INSTALL_URL
+    tar xzvf $GRAAL_INSTALL_FILENAME --strip-components=1
+    rm $GRAAL_INSTALL_FILENAME 
+    bin/gu install native-image
+fi