[x2cpg] Fixed version log output (#4627)

joernio · Jun 3, 2024 · ec2a358 · ec2a358
1 parent 9f2fc59
commit ec2a358
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/joern-cli/frontends/x2cpg/src/main/scala/io/joern/x2cpg/X2Cpg.scala b/joern-cli/frontends/x2cpg/src/main/scala/io/joern/x2cpg/X2Cpg.scala
@@ -121,8 +121,10 @@ abstract class X2CpgMain[T <: X2CpgConfig[T], X <: X2CpgFrontend[?]](val cmdLine
 
   private def logVersionAndArgs(args: Array[String]): Unit = {
     val frontendName = frontend.getClass.getSimpleName.stripSuffix("$")
-    val joernVersion = frontend.getClass.getPackage.getImplementationVersion
-    val logText      = s"Executing $frontendName (v$joernVersion) with arguments: ${args.mkString(" ")}"
+    val joernVersion =
+      // We only have a proper version there if joern was build using sbt assembly. Otherwise, it might be null.
+      Option(frontend.getClass.getPackage.getImplementationVersion).map(v => s"v$v").getOrElse("local build")
+    val logText = s"Executing $frontendName ($joernVersion) with arguments: ${args.mkString(" ")}"
     logger.debug(logText)
   }