Added build number to release file

Added heap size to release file

Added IMPLEMENTOR to release file

Fixes: adoptium#889

Signed-off-by: Austin Bailey <Austin.Bailey@ibm.com>

sbin/build.sh

@@ -826,6 +826,41 @@ fixJavaHomeUnderDocker() {
   fi
 }
 
+addInfoToReleaseFile(){
+  # Extra information is added to the release file here
+  cd ${BUILD_CONFIG[JDK_PATH]}
+  addBuildNumber
+  addImplementor
+  # OpenJ9 specific options
+  if [ "${BUILD_CONFIG[BUILD_VARIANT]}" == "${BUILD_VARIANT_OPENJ9}" ]; then
+    addHeapSize
+  fi
+}
+
+addBuildNumber(){
+  # If variable is populated add it to the release file
+  if [[ ${BUILD_CONFIG[OPENJDK_BUILD_NUMBER]} ]]; then
+    echo -e -n "\nBUILD_NUMBER=\"${BUILD_CONFIG[OPENJDK_BUILD_NUMBER]}\"" >> release
+  fi
+}
+
+addHeapSize(){
+  local jdkPath=${BUILD_CONFIG[JDK_PATH]}
+  if [ "${BUILD_CONFIG[OPENJDK_CORE_VERSION]}" == "${JDK8_CORE_VERSION}" ]; then
+    if [ -d $jdkPath/jre/lib/amd64/compressedrefs ] || [ -d $jdkPath/lib/compressedrefs ]; then
+      echo -e -n "\HEAP_SIZE=\"Standard\"" >> release
+    else # Large heap has the folder /jre/lib/amd64/default or /lib/default
+      echo -e -n "\HEAP_SIZE=\"Large\"" >> release
+    fi
+  fi
+}
+
+addImplementor(){
+  if [ "${BUILD_CONFIG[OPENJDK_CORE_VERSION]}" == "${JDK8_CORE_VERSION}" ]; then
+    echo -e -n "\nIMPLEMENTOR=\"AdoptOpenJDK\"" >> release
+  fi  
+}
+
 ################################################################################
 
 loadConfigFromFile
@@ -847,6 +882,7 @@ buildTemplatedFile
 executeTemplatedFile
 
 printJavaVersionString
+addInfoToReleaseFile
 
 removingUnnecessaryFiles
 copyFreeFontForMacOS