From c3e8b642b9ac8ac49a25f863bf424fa019e41ec9 Mon Sep 17 00:00:00 2001
From: Jens Petersen <petersen@fedoraproject.org>
Date: Jun 03 2010 07:22:29 +0000
Subject: only run xdg-open if there is DISPLAY


---

diff --git a/pkg-deps.sh b/pkg-deps.sh
index aa2ba04..e581bf4 100755
--- a/pkg-deps.sh
+++ b/pkg-deps.sh
@@ -29,4 +29,6 @@ for i in $GHC_PKGS; do sed -i -e /$i/d pkgs.dot; done
 
 cat pkgs.dot | tred | dot -Nfontsize=8 -Tsvg >pkgs.svg
 
-xdg-open pkgs.svg
+if [ -n "$DISPLAY"]; then
+  xdg-open pkgs.svg
+fi