Deprecate NATIVE_IMAGE variable

script/compile

@@ -2,19 +2,13 @@
 
 set -eo pipefail
 
-NATIVE_IMAGE=`which native-image` || true
-
-if [ -z "$NATIVE_IMAGE" ]; then
-  if [ -z "$GRAALVM_HOME" ]; then
-      echo "Please set GRAALVM_HOME"
-      exit 1
-  fi
-
-  "$GRAALVM_HOME/bin/gu" install native-image || true
-
-  NATIVE_IMAGE="$GRAALVM_HOME/bin/native-image"
+if [ -z "$GRAALVM_HOME" ]; then
+    echo "Please set GRAALVM_HOME"
+    exit 1
 fi
 
+"$GRAALVM_HOME/bin/gu" install native-image || true
+
 BABASHKA_VERSION=$(cat resources/BABASHKA_VERSION)
 
 # # We also need to AOT sci, else something didn't work in the Mac build on CircleCI
@@ -23,10 +17,12 @@ BABASHKA_VERSION=$(cat resources/BABASHKA_VERSION)
 # mkdir -p src/sci
 # cp -R /tmp/sci/src/* src
 
+export JAVA_HOME=$GRAALVM_HOME
+
 lein with-profiles +reflection do run
 lein do clean, uberjar
 
-$NATIVE_IMAGE \
+$GRAALVM_HOME/bin/native-image \
   -jar target/babashka-$BABASHKA_VERSION-standalone.jar \
   -H:Name=bb \
   -H:+ReportExceptionStackTraces \