# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@octobus.net>
# Date 1710037970 -3600
# Node ID 54f0dd7983460fe4a551183f6ac629149491d45c
# Parent  82c1a388e86a21601645e920ce98aef1ecd6c1c7
branchcache: do not use `__getitem__` in updatecache

The `update_disk` method uses `updatecache` and the point of `update_disk` is to be able to do alternative processing to the one we do in `__getitem__`. So we calling `__getitem__` in `updatecache` defeat this purpose.

Instead we do the equivalent explicitly to preserve the spirit of `update_disk` (that we will actually put to use soon, I promise)

diff -r 82c1a388e86a -r 54f0dd798346 mercurial/branchmap.py
--- a/mercurial/branchmap.py	Sun Mar 10 05:10:00 2024 +0100
+++ b/mercurial/branchmap.py	Sun Mar 10 03:32:50 2024 +0100
@@ -108,7 +108,8 @@
             subsetname = subsettable.get(filtername)
             if subsetname is not None:
                 subset = repo.filtered(subsetname)
-                bcache = self[subset].inherit_for(repo)
+                self.updatecache(subset)
+                bcache = self._per_filter[subset.filtername].inherit_for(repo)
                 extrarevs = subset.changelog.filteredrevs - cl.filteredrevs
                 revs.extend(r for r in extrarevs if r <= bcache.tiprev)
             else: