Handle exception when get permission denied on a file while trying

to establish case sensitivity on read-only side.


git-svn-id: http://svn.savannah.nongnu.org/svn/rdiff-backup@817 2b77aa54-bcbc-44c9-a7ec-4f6cf2b41109

trunk/rdiff-backup/CHANGELOG

 New in v1.1.12 (????/??/??)
 ---------------------------
 
+Handle exception when get permission denied on a file while trying
+to establish case sensitivity on read-only side. (Andrew Ferguson)
+
 Finally solve AttributeError due to no 'inc_compressed' attribute
 that occured during some regress operations. (Andrew Ferguson)
 

trunk/rdiff-backup/rdiff_backup/fs_abilities.py

@@ -277,7 +277,10 @@ class FSAbilities:
 
 		def test_triple(dir_rp, dirlist, filename):
 			"""Return 1 if filename shows system case sensitive"""
-			letter_rp = dir_rp.append(filename)
+			try:
+				letter_rp = dir_rp.append(filename)
+			except OSError:
+				return 0
 			assert letter_rp.lstat(), letter_rp
 			swapped = filename.swapcase()
 			if swapped in dirlist: return 1