Check if $DISPLAY is set before using tkdiff or kdiff3.
--- a/hgmerge Thu Jun 09 09:48:50 2005 -0800
+++ b/hgmerge Fri Jun 10 07:50:20 2005 +0100
@@ -29,21 +29,23 @@
cp $LOCAL.orig $LOCAL
fi
-# try using kdiff3, which is fairly nice
-if which kdiff3 > /dev/null ; then
- if kdiff3 --auto $BASE $LOCAL $OTHER -o $LOCAL ; then
- exit 0
- else
- exit 1
+if [ -n "$DISPLAY" ]; then
+ # try using kdiff3, which is fairly nice
+ if which kdiff3 > /dev/null ; then
+ if kdiff3 --auto $BASE $LOCAL $OTHER -o $LOCAL ; then
+ exit 0
+ else
+ exit 1
+ fi
fi
-fi
-# try using tkdiff, which is a bit less sophisticated
-if which tkdiff > /dev/null ; then
- if tkdiff $LOCAL $OTHER -a $BASE -o $LOCAL ; then
- exit 0
- else
- exit 1
+ # try using tkdiff, which is a bit less sophisticated
+ if which tkdiff > /dev/null ; then
+ if tkdiff $LOCAL $OTHER -a $BASE -o $LOCAL ; then
+ exit 0
+ else
+ exit 1
+ fi
fi
fi