fix handling long classpath for graalvm on windows (#1472)

* fix handling long classpath for graalvm on windows * scalafmt Co-authored-by: Nepomuk Seiler <muuki88@users.noreply.github.com>
sbt · Nov 17, 2021 · 5b5e8d6 · 5b5e8d6
1 parent e7e24b8
commit 5b5e8d6
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/src/main/scala/com/typesafe/sbt/packager/graalvmnativeimage/GraalVMNativeImagePlugin.scala b/src/main/scala/com/typesafe/sbt/packager/graalvmnativeimage/GraalVMNativeImagePlugin.scala
@@ -107,7 +107,14 @@ object GraalVMNativeImagePlugin extends AutoPlugin {
     val command = {
       val nativeImageArguments = {
         val classpath = classpathJars.mkString(java.io.File.pathSeparator)
-        Seq("--class-path", classpath, s"-H:Name=$binaryName") ++ extraOptions ++ Seq(className)
+        val cpArgs =
+          if (scala.util.Properties.isWin)
+            IO.withTemporaryFile("native-image-classpath", ".txt", keepFile = true) { file =>
+              IO.write(file, s"--class-path $classpath")
+              Seq(s"@${file.absolutePath}")
+            }
+          else Seq("--class-path", classpath)
+        cpArgs ++ Seq(s"-H:Name=$binaryName") ++ extraOptions ++ Seq(className)
       }
       Seq(nativeImageCommand) ++ nativeImageArguments
     }