From 09dbec99a05040244f1e4aca908552ba07a42052 Mon Sep 17 00:00:00 2001
From: Thomas Waldmann <tw@waldmann-edv.de>
Date: Thu, 11 Aug 2016 20:11:36 +0200
Subject: [PATCH] raise OSError including the error message derived from errno

also: deal with path being a integer FD
---
 borg/xattr.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/borg/xattr.py b/borg/xattr.py
index 94df6b05c..82a3afb4e 100644
--- a/borg/xattr.py
+++ b/borg/xattr.py
@@ -102,7 +102,13 @@ def _check(rv, path=None):
         if e == errno.ERANGE:
             raise BufferTooSmallError
         else:
-            raise OSError(e, path)
+            try:
+                msg = os.strerror(e)
+            except ValueError:
+                msg = ''
+            if isinstance(path, int):
+                path = '<FD %d>' % path
+            raise OSError(e, msg, path)
     return rv