Move Stdio extraction to enum

src/options.rs

@@ -1,4 +1,4 @@
-use std::process::Command;
+use std::process::{Command, Stdio};
 use std::{cmp, fmt};
 
 use anyhow::ensure;
@@ -124,6 +124,15 @@ impl Default for CommandOutputPolicy {
     }
 }
 
+impl CommandOutputPolicy {
+    pub fn get_stdout_stderr(&self) -> (Stdio, Stdio) {
+        match self {
+            CommandOutputPolicy::Discard => (Stdio::null(), Stdio::null()),
+            CommandOutputPolicy::Forward => (Stdio::inherit(), Stdio::inherit()),
+        }
+    }
+}
+
 pub enum ExecutorKind {
     Shell(Shell),
     Mock(Option<String>),