D3523: posix: use inst.errno instead of inst[0] on OSError instances

[durin42 (Augie Fackler)]

durin42 created this revision.
Herald added a subscriber: mercurial-devel.
Herald added a reviewer: hg-reviewers.

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D3523

AFFECTED FILES
  mercurial/posix.py

CHANGE DETAILS

diff --git a/mercurial/posix.py b/mercurial/posix.py
--- a/mercurial/posix.py
+++ b/mercurial/posix.py
@@ -287,7 +287,7 @@
                 return True
             except OSError as inst:
                 # link creation might race, try again
-                if inst[0] == errno.EEXIST:
+                if inst.errno == errno.EEXIST:
                     continue
                 raise
             finally:
@@ -297,7 +297,7 @@
             return False
         except OSError as inst:
             # sshfs might report failure while successfully creating the link
-            if inst[0] == errno.EIO and os.path.exists(name):
+            if inst.errno == errno.EIO and os.path.exists(name):
                 unlink(name)
             return False
 



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