Properly handle hardlink comparison when the metadata about a destination

hardlink has become corrupt. Closes Debian bug #486653.


git-svn-id: http://svn.savannah.nongnu.org/svn/rdiff-backup@908 2b77aa54-bcbc-44c9-a7ec-4f6cf2b41109

trunk/rdiff-backup/CHANGELOG

 New in v1.1.17 (????/??/??)
 ---------------------------
 
+Properly handle hardlink comparison when the metadata about a destination
+hardlink has become corrupt. Closes Debian bug #486653. (Andrew Ferguson)
+
 Fix typo in fs_abilities noticed by Martin Krafft. Add EILSEQ ("Invalid or
 incomplete multibyte or wide character") to the list of recoverable errors.
 Thanks to Hanno Stock for catching that. (Andrew Ferguson)

trunk/rdiff-backup/rdiff_backup/Hardlink.py

@@ -103,7 +103,10 @@ def rorp_eq(src_rorp, dest_rorp):
 		# subsequent ones
 		_inode_index[src_key] = (index, remaining, None, None)
 		return 1
-	return dest_key == get_inode_key(dest_rorp)
+	try:
+		return dest_key == get_inode_key(dest_rorp)
+	except KeyError:
+		return 0 # Inode key might be missing if the metadata file is corrupt
 
 def islinked(rorp):
 	"""True if rorp's index is already linked to something on src side"""