detect and enable wayland

projects/tor-browser/RelativeLink/start-tor-browser

@@ -7,14 +7,19 @@
 
 complain_dialog_title="Tor Browser"
 
-# First, make sure DISPLAY is set.  If it isn't, we're hosed; scream
-# at stderr and die.
-if [ "x$DISPLAY" = "x" ]; then
-    echo "$complain_dialog_title must be run within the X Window System." >&2
+# First, make sure DISPLAY or WAYLAND_DISPLAY is set.  If it isn't, we're
+# hosed; scream at stderr and die.
+if [ "x$DISPLAY" != "x" ] || [ "x$WAYLAND_DISPLAY" != "x" ]; then
+    if [ "x$WAYLAND_DISPLAY" != "x" ] ;then
+        export MOZ_ENABLE_WAYLAND=1
+    fi
+else
+    echo "$complain_dialog_title must be run within the X Window System or Wayland." >&2
     echo "Exiting." >&2
     exit 1
 fi
 
+
 # Second, make sure this script wasn't started as 'sh start-tor-browser' or
 # similar.
 if [ "x$BASH" = "x" ]; then