From 7c72317768e0c91330698910f8dc16adb07db512 Mon Sep 17 00:00:00 2001
From: David Runge <dave@sleepmap.de>
Date: Sat, 18 Apr 2020 20:45:31 +0200
Subject: bin/sclang: Adding a forced export of DISPLAY. Fixing shebang to use
 bash and not posix shell.

---
 bin/sclang | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/bin/sclang b/bin/sclang
index e7da3a5..a97b5b6 100755
--- a/bin/sclang
+++ b/bin/sclang
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env bash
 # 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
@@ -6,9 +6,12 @@
 # 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
+if [ -z "${DISPLAY:-}" ]; then
+  export DISPLAY=:0
+fi
+
+if command -v xset > /dev/null && xset q >/dev/null ; then
   xvfb-run -a /usr/bin/sclang "$@"
 else
   /usr/bin/sclang "$@"
-- 
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