Add method to escape glob reserved characters.

1 files changed, 8 insertions, 0 deletions

diff --git a/lib/chef/util/path_helper.rb b/lib/chef/util/path_helper.rb
index e9fb4e7773..9aea2645d7 100644
--- a/lib/chef/util/path_helper.rb
+++ b/lib/chef/util/path_helper.rb
@@ -133,6 +133,14 @@ class Chef
       def self.paths_eql?(path1, path2)
         canonical_path(path1) == canonical_path(path2)
       end
+
+      # Paths which may contain glob-reserved characters need
+      # to be escaped before globbing can be done.
+      # http://stackoverflow.com/questions/14127343
+      def self.escape_glob(*parts)
+        path = join(parts)
+        path.gsub(/[\\\{\}\[\]\*\?]/) { |x| "\\"+x }
+      end
     end
   end
 end