[meld] Open folder comparison when 'Compare'ing folders in VC view

[Kai Willadsen <kaiw src gnome org>]

commit c8b29e2824de065c06caeca97d41db2c9f5b62f9
Author: Kai Willadsen <kai willadsen gmail com>
Date:   Sat Mar 16 06:59:31 2013 +1000

    Open folder comparison when 'Compare'ing folders in VC view
    
    I'm not sure why we support this, but this is how it worked prior to
    the direct-file-access changes in 1.7.1, so restoring that behaviour
    here. Also, tracebacks are bad.

 meld/vcview.py |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/meld/vcview.py b/meld/vcview.py
index 21361e7..96bfe56 100644
--- a/meld/vcview.py
+++ b/meld/vcview.py
@@ -465,6 +465,10 @@ class VcView(melddoc.MeldDoc, gnomeglade.Component):
     def run_diff(self, path_list):
         try:
             for path in path_list:
+                if os.path.isdir(path):
+                    self.emit("create-diff", [path], {})
+                    continue
+
                 kwargs = {}
                 status = self.vc._get_tree_cache(path).get(path, None)
                 if status == tree.STATE_CONFLICT: