Do not recurse through a symlink given as root

1 files changed, 1 insertions, 1 deletions

diff --git a/summain b/summain
index a9e7ead..b82c108 100755
--- a/summain
+++ b/summain
@@ -122,7 +122,7 @@ class Summain(cliapp.Application):
                              'choose output format (rfc822, csv, json)')
 
     def files(self, root):
-        if os.path.isdir(root):
+        if os.path.isdir(root) and not os.path.islink(root):
             for dirname, dirnames, filenames in os.walk(root):
                 yield dirname
                 dirnames.sort()