Merge branch 'master' of github.com:lihaoyi/mill

1 files changed, 19 insertions, 0 deletions

diff --git a/core/src/mill/util/ClassLoader.scala b/core/src/mill/util/ClassLoader.scala
new file mode 100644
index 00000000..a1b42158
--- /dev/null
+++ b/core/src/mill/util/ClassLoader.scala
@@ -0,0 +1,19 @@
+package mill.util
+
+import java.net.{URL, URLClassLoader}
+
+import io.github.retronym.java9rtexport.Export
+
+object ClassLoader {
+  def create(urls: Seq[URL], parent: java.lang.ClassLoader): URLClassLoader = {
+    val cl = new URLClassLoader(urls.toArray, parent)
+    if (!ammonite.util.Util.java9OrAbove) return cl
+    try {
+      cl.loadClass("javax.script.ScriptEngineManager")
+      cl
+    } catch {
+      case _: ClassNotFoundException =>
+        new URLClassLoader((urls ++ Some(Export.export().toURI.toURL)).toArray, parent)
+    }
+  }
+}