diff mercurial/dirstate.py @ 44327:71e13cfd6154 stable

rust-dirstatemap: add `NonNormalEntries` class

This fix introduces the same encapsulation as the `copymap`. There is no easy
way of doing this any better for now.

`hg up -r null && time HGRCPATH= HGMODULEPOLICY=rust+c hg up tip` on Mozilla
Central, (not super recent, but it doesn't matter):

Before: 7:44,08 total
After: 1:03,23 total

Pretty brutal regression!

This is a graft on stable of cf1f8660e568

Differential Revision: https://phab.mercurial-scm.org/D8111

--- a/mercurial/dirstate.py	Thu Jan 30 14:57:02 2020 +0100
+++ b/mercurial/dirstate.py	Wed Feb 12 23:23:59 2020 +0100
@@ -1846,12 +1846,12 @@
 
         @property
         def nonnormalset(self):
-            nonnorm, otherparents = self._rustmap.nonnormalentries()
+            nonnorm = self._rustmap.non_normal_entries()
             return nonnorm
 
         @propertycache
         def otherparentset(self):
-            nonnorm, otherparents = self._rustmap.nonnormalentries()
+            otherparents = self._rustmap.other_parent_entries()
             return otherparents
 
         @propertycache