From 2ebc3be7da49b199ca5933c49d97e71fe68001d1 Mon Sep 17 00:00:00 2001
From: Naaman Newbold <naaman@heroku.com>
Date: Wed, 7 Nov 2012 20:01:21 +0000
Subject: [PATCH] system.properties support

---
 bin/compile | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/bin/compile b/bin/compile
index 9f05926..15e8d13 100755
--- a/bin/compile
+++ b/bin/compile
@@ -10,6 +10,31 @@ BIN_DIR=$(cd $(dirname $0); pwd) # absolute path
 # source in common functions
 . $BIN_DIR/common.sh
 
+silent --location http://heroku-jvm-common.s3.amazonaws.com/jvm-buildpack-common.tar.gz | tar xz
+. bin/java
+
+if [ -f ${CACHE_DIR}/system.properties ] && [ ! -f ${BUILD_DIR}/system.properties ]; then
+  cp ${CACHE_DIR}/system.properties ${BUILD_DIR}/system.properties
+fi
+
+if [ ! -d $CACHE_DIR ] && [ ! -f ${BUILD_DIR}/system.properties ]; then 
+  echo "java.runtime.version=1.6" > ${BUILD_DIR}/system.properties; 
+fi
+
+#create the cache dir if it doesn't exist
+mkdir -p $CACHE_DIR
+
+# install JDK 
+if [ -f ${BUILD_DIR}/system.properties ]; then
+  logger -p user.notice -t "slugc[$$]" "language_pack_java download_jdk"
+  LOGGER_FLAGS="$LOGGER_FLAGS download_jdk"
+  javaVersion=$(detect_java_version ${BUILD_DIR})
+  echo -n "-----> Installing OpenJDK ${javaVersion}..."
+  install_java ${BUILD_DIR} ${javaVersion}
+  echo "done"
+  cp ${BUILD_DIR}/system.properties ${CACHE_DIR}/
+fi
+
 PLAY_PATH=".play"
 IVY_PATH=".ivy2"