From 72a7c0bae5f61fb33eeb25f64e5f2c90f1e7189b Mon Sep 17 00:00:00 2001
From: Thomas Waldmann <tw@waldmann-edv.de>
Date: Tue, 5 Jul 2016 17:20:23 +0200
Subject: [PATCH] catch "invalid argument" on cygwin, fixes #257

obviously cygwin (windows) does not like the made-up uid 100 gid 200
and raises "invalid argument" OSError.
---
 borg/testsuite/archiver.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/borg/testsuite/archiver.py b/borg/testsuite/archiver.py
index 126d1c5a5..59bbeb2b8 100644
--- a/borg/testsuite/archiver.py
+++ b/borg/testsuite/archiver.py
@@ -288,10 +288,14 @@ def create_test_files(self):
             # File mode
             os.chmod('input/dir2', 0o555)  # if we take away write perms, we need root to remove contents
             # File owner
-            os.chown('input/file1', 100, 200)
+            os.chown('input/file1', 100, 200)  # raises OSError invalid argument on cygwin
             have_root = True  # we have (fake)root
         except PermissionError:
             have_root = False
+        except OSError as e:
+            if e.errno != errno.EINVAL:
+                raise
+            have_root = False
         return have_root
 
     def test_basic_functionality(self):