# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@octobus.net>
# Date 1643395597 -3600
# Node ID 773ad0f5152d934c7ea019dcb251e1a12a8889d0
# Parent  9bc86adf32f685f924de80c3e23084653c866a56
merge-actions: gather all created action into a set

This is mostly to demonstrate we can do this before we start adding more
specialized set.

Differential Revision: https://phab.mercurial-scm.org/D12115

diff -r 9bc86adf32f6 -r 773ad0f5152d mercurial/mergestate.py
--- a/mercurial/mergestate.py	Fri Jan 28 17:08:30 2022 +0100
+++ b/mercurial/mergestate.py	Fri Jan 28 19:46:37 2022 +0100
@@ -4,6 +4,7 @@
 import errno
 import shutil
 import struct
+import weakref
 
 from .i18n import _
 from .node import (
@@ -106,8 +107,11 @@
     _short: internal representation used to identify each action
     """
 
+    ALL_ACTIONS = weakref.WeakSet()
+
     def __init__(self, short):
         self._short = short
+        self.ALL_ACTIONS.add(self)
 
     def __hash__(self):
         return hash(self._short)