Make sure to copy env.sh if it is not present

configuration/buildAndUpdateProduct.sh

@@ -342,6 +342,10 @@ if [[ "$@" == "install" ]] || [[ "$@" == "all" ]]; then
     rm -rf $ACDIR/org.eclipse.*
     rm -rf $ACDIR/configuration/org.eclipse.*
 
+    if [ ! -d "$ACDIR/env.sh" ]; then
+        cp -v $PROJECT_HOME/java/target/env.sh $ACDIR/
+    fi
+
     if [[ $HAS_OVERWRITTEN_TARGET -eq 0 ]] && [ ! -f $ACDIR/no-overwrite ]; then
         cp -v $p2PluginRepository/configuration/config.ini configuration/