Only report hardlinks as duplicates if there's another identical file as well.

If foo and bar are hardlinks to the same inode, and foobar is a file
with the same content, report all three. However, if there is no foobar
to be reported, do not report anything.

1 files changed, 3 insertions, 0 deletions

diff --git a/dupfiles b/dupfiles
index ea52d7f..dd0364a 100755
--- a/dupfiles
+++ b/dupfiles
@@ -84,6 +84,9 @@ class DuplicateFileFinder(object):
 
         result = []
         for size, tuples in self.by_size.iteritems():
+            if len(set((dev, ino) for dev, ino, pathname in tuples)) == 1:
+                # All duplicates are hardlinks to the same inode. Skip.
+                continue
             by_checksum = dict()
             for dev, ino, pathname in tuples:
                 checksum = self.file_checksum(pathname)