From c6befb9cd1026eaeb1000701cb62573239e2f2be Mon Sep 17 00:00:00 2001
From: David Runge <dave@sleepmap.de>
Date: Fri, 13 May 2016 23:24:08 +0200
Subject: bin/sclang: Updating check for sclang run by xvfb-run. Now involving
 xset as dependency.

---
 bin/sclang | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/bin/sclang b/bin/sclang
index 937ce94..e7da3a5 100755
--- a/bin/sclang
+++ b/bin/sclang
@@ -1,10 +1,15 @@
 #!/bin/sh
-# If not running my laptop (with X screen), run sclang in a xvfb environment.
-# This ensures getting around a bug with QPixmaps that needs a X server to run.
-if [[ $HOSTNAME == *pitheunlord* ]]; then
-  echo "/usr/bin/sclang in fake X screen"
-  /usr/bin/xvfb-run -s "-screen 1, 1280x800x24" -a -e ~/.log/xvfb-run-sclang.error /usr/bin/sclang "$@"
+# If not running X, run sclang in a xvfb environment.
+# This ensures getting around a bug with QPixmaps that needs a X server to run:
+# https://github.com/supercollider/supercollider/issues/1736
+# NOTE: For headless sclang to work properly changes to SCClassLibrary have to
+# be applied: https://github.com/supercollider/supercollider/issues/1209
+
+set -euo pipefail
+IFS=$'\n\t'
+
+if [ -x /usr/bin/xset ] && [ ! /usr/bin/xset q &>/dev/null ];then
+  xvfb-run -a /usr/bin/sclang "$@"
 else
-  echo "/usr/bin/sclang"
   /usr/bin/sclang "$@"
 fi
-- 
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