Fix launch of external program

toolflow/src/main/scala/com/minres/tgc/hammer/options/CommandGroup.scala

@@ -5,8 +5,9 @@ import os.Shellable
 
 class CommandGroup(name: String) extends BaseGroup {
   override def getToolParameters: Seq[Shellable] = {
-    val sub = options.toSeq.map(_.getToolParameters.map(_.value).mkString("="))
-    Seq(s"""$name="${sub.mkString(" ")}"""")
+    val sub = options.toSeq.map(_.getToolParameters.flatMap(_.value).mkString("=")).filter(!_.isEmpty)
+    println(sub)
+    Seq(s"$name=\'${sub.mkString(" ")}\'")
   }
 
   override def init(scallopConf: ScallopConf, group: ScallopOptionGroup): Unit = {

toolflow/src/main/scala/com/minres/tgc/hammer/tasks/Task.scala

@@ -9,6 +9,8 @@ trait Task {
   def runExecutable(execPath: Path, args: Shellable*): os.CommandResult = {
     println(s"Executing $execPath with")
     println(args.flatMap(_.value).mkString(" "))
-    os.proc(execPath, args).call()
+    println(args)
+    val command = s"$execPath ${args.flatMap(_.value).mkString(" ")}"
+    os.proc("bash", "-c", command).call(stdout = os.Inherit)
   }
 }