# HG changeset patch
# User Augie Fackler <raf@durin42.com>
# Date 1509282417 14400
# Node ID c0fc42713ecbe1ff1b144582ada5d3830366d153
# Parent  0ebcc5bbf692c8c11e84add686d9c47d03662696
config: don't use the config registrar on hg that lacks dynamicdefault

Some versions of hg have bits of the config registrar code, but lack
dynamicdefault. Despite that, if they see reigstered config knobs,
they'll set off devel-warn nonsense about how you're holding the
config system wrong.

Ugh.

diff --git a/hgsubversion/__init__.py b/hgsubversion/__init__.py
--- a/hgsubversion/__init__.py
+++ b/hgsubversion/__init__.py
@@ -256,6 +256,10 @@ except (ImportError, AttributeError):
         pass
 
 if not hgutil.safehasattr(configitem, 'dynamicdefault'):
+    # hg 4.3 lacks support for dynamicdefault in a way that means we
+    # have to not use the config registrar at all.
+    def configitem(*args, **kwargs):
+        pass
     configitem.dynamicdefault = None
 
 # real default is 'svnexternals'. Can also be 'subrepos' or