Add functionality to escape characters reserved by glob

2 files changed, 15 insertions, 0 deletions

diff --git a/lib/chef/util/path_helper.rb b/lib/chef/util/path_helper.rb
index e9fb4e7773..55457796d9 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
+
+      # Escape path characters that are reserved by Dir.glob
+      # and Dir[]
+      # http://stackoverflow.com/questions/14127343
+      def self.glob(pattern, *flags)
+        globsafe_pattern = pattern.gsub(/[\\]/) { |x| "\\"+x }
+        Dir.glob(globsafe_pattern, *flags)
+      end
     end
   end
 end
diff --git a/spec/unit/util/path_helper_spec.rb b/spec/unit/util/path_helper_spec.rb
index 66ad323c52..97a67bca11 100644
--- a/spec/unit/util/path_helper_spec.rb
+++ b/spec/unit/util/path_helper_spec.rb
@@ -216,4 +216,11 @@ describe Chef::Util::PathHelper do
       expect(PathHelper.paths_eql?("bandit", "../bandit/bandit")).to be_false
      end
   end
+
+  describe "glob" do
+    it "escapes backslash characters in glob pattern" do
+      expect(Dir).to receive(:glob).with("C:\\\\foo")
+      PathHelper.glob("C:\\foo")
+    end
+  end
 end