# HG changeset patch
# User Paul Morelle <paul.morelle@octobus.net>
# Date 1527494922 -7200
# Node ID bbad9283f80f733f39025cab93c6ec7bfa12434f
# Parent  58c61489f722a57bb3e18fa002f05157ac6fec8e
overlaychangectx: fallback to self._hgrepo if self._repo attribute not found

Reverts and replaces 58c61489f722 which had an error in tests with hg 4.5

diff -r 58c61489f722 -r bbad9283f80f hggit/overlay.py
--- a/hggit/overlay.py	Thu May 24 11:45:12 2018 +0200
+++ b/hggit/overlay.py	Mon May 28 10:08:42 2018 +0200
@@ -213,17 +213,22 @@
 
 class overlaychangectx(context.changectx):
     def __init__(self, repo, sha):
-        # we need to keep the repo around in a variable that isn't overridden
-        # by self._repo but we also need to assign this to self._repo so that
-        # self.obsolete() (and friends) keep working since they access _repo
-        # directly.
-        self._hgrepo = self._repo = repo
+        # Can't store this in self._repo because the base class uses that field
+        self._hgrepo = repo
         if not isinstance(sha, basestring):
             sha = sha.hex()
         self.commit = repo.handler.git.get_object(_maybehex(sha))
         self._overlay = getattr(repo, 'gitoverlay', repo)
         self._rev = self._overlay.rev(bin(self.commit.id))
 
+    def __getattr__(self, name):
+        # Since hg 4.6, context.changectx doesn't define self._repo,
+        # but it is still used by self.obsolete() (and friends)
+        # So, if the attribute wasn't found, fallback to _hgrepo
+        if name == '_repo':
+            return self._hgrepo
+        return super(overlaychangectx, self).__getattr__(name)
+
     def repo(self):
         return self._hgrepo