From c3529baa5bafb66b436d9ce8c68d3004d06688f8 Mon Sep 17 00:00:00 2001
From: Julian Oes <julian@oes.ch>
Date: Thu, 22 Aug 2019 17:29:46 +0200
Subject: [PATCH] jMAVSim: disable GUI using HEADLESS=1

@katzfey added the option to run jMAVSim without GUI. Now we just need
to read the HEADLESS env variable to use it.
---
 Tools/jMAVSim        | 2 +-
 Tools/jmavsim_run.sh | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/Tools/jMAVSim b/Tools/jMAVSim
index def7501bc0..3bd51e67e0 160000
--- a/Tools/jMAVSim
+++ b/Tools/jMAVSim
@@ -1 +1 @@
-Subproject commit def7501bc0536b8d1050f65d09c7dfbebcc0ce61
+Subproject commit 3bd51e67e022ce59644d33ebdf6570c2ea88ddb6
diff --git a/Tools/jmavsim_run.sh b/Tools/jmavsim_run.sh
index a974edee27..b04912afdd 100755
--- a/Tools/jmavsim_run.sh
+++ b/Tools/jmavsim_run.sh
@@ -49,6 +49,10 @@ else
 	device="-serial $device $baudrate"
 fi
 
+if [ "$HEADLESS" = "1" ]; then
+    extra_args="$extr_args -no-gui"
+fi
+
 # jMAVSim crashes with Java 9 on macOS, therefore we need to use Java 8
 if [ "$(uname)" == "Darwin" ]; then
     bold=$(tput bold)