# HG changeset patch
# User Augie Fackler <raf@durin42.com>
# Date 1536179371 14400
# Node ID c68cfc55af9d1d210b373fbf8eac41f402759e55
# Parent  094d1f42c484bb43b68e073bd49897a31c48b978
buildrpm: fix embarassing bug in shell variable expansions

`$distance_$node` looks up and concatenates `$distance_` and
`$node`. `$distance_` is empty, so we were getting the node without
the distance. Using the curly braces makes our intent explicit and
produces better-versioned RPMS.

Differential Revision: https://phab.mercurial-scm.org/D4493

diff -r 094d1f42c484 -r c68cfc55af9d contrib/packaging/buildrpm
--- a/contrib/packaging/buildrpm	Wed Sep 05 21:49:44 2018 +0900
+++ b/contrib/packaging/buildrpm	Wed Sep 05 16:29:31 2018 -0400
@@ -59,7 +59,7 @@
 fi
 
 if [ -n "$distance" ] ; then
-    release=$release+$distance_$node
+    release=$release+${distance}_${node}
 fi
 
 if [ "$PYTHONVER" ]; then