--- a/mercurial/changelog.py Wed Oct 25 23:14:20 2023 +0200
+++ b/mercurial/changelog.py Fri Oct 20 12:13:33 2023 +0200
@@ -448,6 +448,7 @@
def delayupdate(self, tr):
"""delay visibility of index updates to other readers"""
+ assert not self._inner.is_open
if self._docket is None and not self._delayed:
if len(self) == 0:
self._divert = True
@@ -468,6 +469,7 @@
def _finalize(self, tr):
"""finalize index updates"""
+ assert not self._inner.is_open
self._delayed = False
self.opener = self._realopener
self._inner.opener = self.opener
@@ -494,6 +496,7 @@
def _writepending(self, tr):
"""create a file containing the unfinalized state for
pretxnchangegroup"""
+ assert not self._inner.is_open
if self._docket:
return self._docket.write(tr, pending=True)
if self._delaybuf: