Who knows if this works

build.gradle

@@ -24,8 +24,9 @@ repositories {
 
 
 def gitCommitHash = { ->
+    try {
         def stdout = new ByteArrayOutputStream()
-    ExecResult result = exec ()->{
+        ExecResult result = exec () -> {
             commandLine 'git', 'rev-parse', '--short', 'HEAD'
             standardOutput = stdout
             ignoreExitValue = true
@@ -36,6 +37,10 @@ def gitCommitHash = { ->
         } else {
             return stdout.toString().trim();
         }
+    } catch (Exception e) {
+        e.printStackTrace()
+        return "<UnknownCommit>";
+    }
 }
 
 def buildtime = {System.currentTimeSeconds()}