branchmap: dynamically resolve type of branchcache class
This is required to support subclassing.
Thanks to Yuya for suggesting this in D6151.
Differential Revision: https://phab.mercurial-scm.org/D6204
--- a/mercurial/branchmap.py Fri Apr 12 09:41:08 2019 -0700
+++ b/mercurial/branchmap.py Wed Mar 27 21:33:04 2019 +0300
@@ -305,7 +305,7 @@
def copy(self):
"""return an deep copy of the branchcache object"""
- return branchcache(
+ return type(self)(
self._entries, self.tipnode, self.tiprev, self.filteredhash,
self._closednodes)