Mercurial > public > mercurial-scm > hg-stable
diff mercurial/transaction.py @ 44097:2f1d6180737f
transaction: allow finalizer to add finalizer
It will make some code (persistent nodemap related) simpler to write, because
higher level code can blindly queue finalization without thinking too hard about
the context.
Differential Revision: https://phab.mercurial-scm.org/D7833
| author | Pierre-Yves David <pierre-yves.david@octobus.net> |
|---|---|
| date | Wed, 15 Jan 2020 15:47:03 +0100 |
| parents | 8e09551206f5 |
| children | baf8c3f944eb |
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--- a/mercurial/transaction.py Sat Dec 28 12:25:16 2019 -0500 +++ b/mercurial/transaction.py Wed Jan 15 15:47:03 2020 +0100 @@ -506,9 +506,12 @@ self._validator(self) # will raise exception if needed self._validator = None # Help prevent cycles. self._generatefiles(group=gengroupprefinalize) - categories = sorted(self._finalizecallback) - for cat in categories: - self._finalizecallback[cat](self) + while self._finalizecallback: + callbacks = self._finalizecallback + self._finalizecallback = {} + categories = sorted(callbacks) + for cat in categories: + callbacks[cat](self) # Prevent double usage and help clear cycles. self._finalizecallback = None self._generatefiles(group=gengrouppostfinalize)