send HEAD to fabric

app/build.gradle

@@ -29,9 +29,7 @@ repositories {
 }
 
 def generateGitBuild = { ->
-
     StringBuilder stringBuilder = new StringBuilder();
-    stringBuilder.append('"')
     try {
         def stdout = new ByteArrayOutputStream()
         exec {
@@ -43,9 +41,12 @@ def generateGitBuild = { ->
     } catch (ignored) {
         stringBuilder.append('NoGitSystemAvailable')
     }
-    stringBuilder.append('-')
+    return stringBuilder.toString()
+}
+
+def generateDate = { ->
+    StringBuilder stringBuilder = new StringBuilder();
     stringBuilder.append((new Date()).format('yyyy.MM.dd-HH:mm'))
-    stringBuilder.append('"')
     return stringBuilder.toString()
 }
 
@@ -64,7 +65,8 @@ android {
         versionCode 1500
         version "2.0f-dev"
         buildConfigField "String", "VERSION", '"' + version + '"'
-        buildConfigField "String", "BUILDVERSION", generateGitBuild()
+        buildConfigField "String", "BUILDVERSION", '"' + generateGitBuild() + '-' + generateDate() + '"'
+        buildConfigField "String", "HEAD", '"' + generateGitBuild() + '"'
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
 
         ndk {

app/src/main/java/info/nightscout/utils/FabricPrivacy.java

@@ -109,6 +109,7 @@ public class FabricPrivacy {
     private static void uploadPluginStats() {
         CustomEvent pluginStats = new CustomEvent("PluginStats");
         pluginStats.putCustomAttribute("version", BuildConfig.VERSION);
+        pluginStats.putCustomAttribute("HEAD", BuildConfig.HEAD);
         for (PluginBase plugin : MainApp.getPluginsList()) {
             if (!plugin.pluginDescription.alwaysEnabled) {
                 if (plugin.isEnabled(plugin.getType()))