contrib/buildrpm

--- a/contrib/buildrpm	Fri Aug 04 05:38:22 2017 -0700
+++ b/contrib/buildrpm	Fri Aug 04 08:15:10 2017 +0200
@@ -11,6 +11,8 @@
 
 BUILD=1
 RPMBUILDDIR="$PWD/rpmbuild"
+export HGPLAIN=
+
 while [ "$1" ]; do
     case "$1" in
     --prepare )