From 55df4cbe0871026797419d2caa1cac7e418a7d6c Mon Sep 17 00:00:00 2001
From: Silvan Calarco <silvan.calarco@mambasoft.it>
Date: Tue, 19 Jul 2011 16:07:53 +0200
Subject: [PATCH] libspec: quote '%' characters before passing strings to rpm
 --eval to avoid a segmentation fault error

---
 lib/libspec.lib.in | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/libspec.lib.in b/lib/libspec.lib.in
index 0264167..5eb1eb4 100644
--- a/lib/libspec.lib.in
+++ b/lib/libspec.lib.in
@@ -564,7 +564,10 @@ $FUNCNAME: * blank unexpanded and undefined variables beginning by \`?'..."
    # i.e. 'rpmvars.solve(%{__install_info} $specfile)'
    case "$output" in *%*)
       notify.debug "$FUNCNAME: * expanding rpm variables, if any..."
+      # FIXME: hack to prevent a rpm segfault when parsing '%' with --eval
+      output=$(echo $output | sed "s@\%@\\\%@g;")
       output=$(rpm --eval "$output")
+      output=$(echo $output | sed "s@\\\%@%@g;")
       notify.debug "$FUNCNAME: output = \`$output'" ;;
    esac