add check_display and use it in rpmbugs

bin/rpmbugs

@@ -58,7 +58,10 @@ if [ "$1" = "-t" ] ; then
 	which links >/dev/null && BROWSER=links
 fi
 
-test -z "$DISPLAY" && TEXT=1
+if ! check_display ; then
+	TEXT=1
+	which links >/dev/null && BROWSER=links
+fi
 
 SPECLIST=$@
 if [ "$1" = "-qf" ]

share/eterbuild/functions/common

@@ -220,3 +220,9 @@ enable_ccache()
 
 }
 
+
+# If DISPLAY is broken
+check_display()
+{
+	xset -b
+}