1 files changed, 14 insertions, 6 deletions
diff --git a/main/src/main/ReplApplyHandler.scala b/main/src/main/ReplApplyHandler.scala
index 6f1e060d..7f959929 100644
--- a/main/src/main/ReplApplyHandler.scala
+++ b/main/src/main/ReplApplyHandler.scala
@@ -1,14 +1,13 @@
 package mill.main
 
+import scala.collection.mutable
 
+import mill.api.Strict.Agg
 import mill.define.Applicative.ApplyHandler
 import mill.define.Segment.Label
 import mill.define._
 import mill.eval.{Evaluator, Result}
 
-import mill.api.Strict.Agg
-
-import scala.collection.mutable
 object ReplApplyHandler{
   def apply[T](home: os.Path,
                disableTicker: Boolean,
@@ -17,7 +16,8 @@ object ReplApplyHandler{
                rootModule: mill.define.BaseModule,
                discover: Discover[_],
                debugLog: Boolean,
-               keepGoing: Boolean) = {
+               keepGoing: Boolean,
+               systemProperties: Map[String, String]): ReplApplyHandler = {
     new ReplApplyHandler(
       pprinter0,
       new Evaluator(
@@ -36,7 +36,8 @@ object ReplApplyHandler{
           debugEnabled = debugLog
         ),
         failFast = !keepGoing
-      )
+      ),
+      systemProperties
     )
   }
   def pprintCross(c: mill.define.Cross[_], evaluator: Evaluator) = {
@@ -113,8 +114,15 @@ object ReplApplyHandler{
   }
 
 }
+
 class ReplApplyHandler(pprinter0: pprint.PPrinter,
-                       val evaluator: Evaluator) extends ApplyHandler[Task] {
+                       val evaluator: Evaluator,
+                       systemProperties: Map[String, String]) extends ApplyHandler[Task] {
+
+  systemProperties.foreach {case (k,v) =>
+    System.setProperty(k,v)
+  }
+
   // Evaluate classLoaderSig only once in the REPL to avoid busting caches
   // as the user enters more REPL commands and changes the classpath
   val classLoaderSig = Evaluator.classLoaderSig