Fixes after rebase

modules/build/src/main/scala/scala/build/compiler/SimpleScalaCompiler.scala

@@ -78,7 +78,7 @@ final case class SimpleScalaCompiler(
         args,
         logger,
         cwd = Some(project.workspace)
-      )
+      ).waitFor()
 
       res == 0
     }

modules/cli/src/main/scala/scala/cli/commands/Package.scala

@@ -436,7 +436,7 @@ object Package extends ScalaCommand[PackageOptions] {
         args,
         logger,
         cwd = Some(build.inputs.workspace)
-      )
+      ).waitFor()
       if (retCode == 0)
         libraryJar(build, hasActualManifest = false, contentDirOverride = Some(destDir))
       else

modules/cli/src/main/scala/scala/cli/commands/Run.scala

@@ -239,9 +239,10 @@ object Run extends ScalaCommand[RunOptions] {
     logger: Logger
   )(f: os.Path => T): Either[BuildException, T] = {
     val dest = os.temp(prefix = "main", suffix = ".js")
-    Package.linkJs(build, dest, mainClassOpt, addTestInitializer, config, logger).map { _ =>
-      f(dest)
-    }
+    try Package.linkJs(build, dest, mainClassOpt, addTestInitializer, config, logger).map { _ =>
+        f(dest)
+      }
+    finally if (os.exists(dest)) os.remove(dest)
   }
 
   def withNativeLauncher[T](

modules/cli/src/main/scala/scala/cli/internal/ProcUtil.scala

@@ -49,7 +49,6 @@ object ProcUtil {
 
   def interruptProcess(process: Process, logger: Logger): Unit = {
     val pid = process.pid()
-
     try
       if (process.isAlive) {
         logger.debug(s"Sending a SIGINT signal to process PID:$pid")
@@ -66,7 +65,6 @@ object ProcUtil {
       case NonFatal(e) =>
         logger.debug(s"Ignoring error during interrupt process: $e")
     }
-
   }
 
 }