Fixes problem with updating bundles in thor

fix_update_bundle.patch

---
 lib/thor/runner.rb      |   12 +++++++++++-
 1 files changed, 11 insertions(+), 1 deletions(-)
 create mode 100644 fix_update_bundle.patch

diff --git a/lib/thor/runner.rb b/lib/thor/runner.rb
index 18c63c4..1eef304 100644
--- a/lib/thor/runner.rb
+++ b/lib/thor/runner.rb
@@ -126,7 +126,17 @@ class Thor::Runner < Thor #:nodoc:

     old_filename = thor_yaml[name][:filename]
     self.options = self.options.merge("as" => name)
-    filename     = install(thor_yaml[name][:location])
+
+    if File.directory? File.expand_path(name)
+      FileUtils.rm_rf(File.join(thor_root, old_filename))
+
+      thor_yaml.delete(old_filename)
+      save_yaml(thor_yaml)
+
+      filename = install(name)
+    else
+      filename = install(thor_yaml[name][:location])
+    end

     unless filename == old_filename
       File.delete(File.join(thor_root, old_filename))
--