From a7ec17b08fe94ee01559ed5f86fef265b0bf3f91 Mon Sep 17 00:00:00 2001
From: Scott Coulton <scott.coulton@puppet.com>
Date: Mon, 19 Feb 2018 11:53:13 +1100
Subject: [PATCH] Added a fail if the user sets detached to true when qemu is
 running locally

---
 src/cmd/linuxkit/run_qemu.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/cmd/linuxkit/run_qemu.go b/src/cmd/linuxkit/run_qemu.go
index 2ea09a4f0..3f325b047 100644
--- a/src/cmd/linuxkit/run_qemu.go
+++ b/src/cmd/linuxkit/run_qemu.go
@@ -366,6 +366,11 @@ func runQemuLocal(config QemuConfig) error {
 		}
 	}
 
+	// Detached mode is only supported in a container.
+	if config.Detached == true {
+		return fmt.Errorf("Detached mode is only supported when running in a container, not locally")
+	}
+
 	qemuCmd := exec.Command(config.QemuBinPath, args...)
 	// If verbosity is enabled print out the full path/arguments
 	log.Debugf("%v\n", qemuCmd.Args)