Don't show the diff in hgeditor if there are no changes in file contents.
--- a/hgeditor Mon Aug 22 08:46:43 2005 +0200
+++ b/hgeditor Mon Aug 22 19:56:52 2005 +0200
@@ -51,7 +51,11 @@
grep -vE '^(HG: manifest hash .*)?$' "$1" >> "$HGTMP/msg"
CHECKSUM=`md5sum "$HGTMP/msg"`
-$EDITOR "$HGTMP/msg" "$HGTMP/diff" || exit $?
+if [ -s "$HGTMP/diff" ]; then
+ $EDITOR "$HGTMP/msg" "$HGTMP/diff" || exit $?
+else
+ $EDITOR "$HGTMP/msg" || exit $?
+fi
echo "$CHECKSUM" | md5sum -c >/dev/null 2>&1 && exit 13
if [ "$SIGN" == "1" ]; then