mq: write the dirstate before stripping
I am not certain why it is dirty (probably the `repo.setparent` call a right
before. However I know we need it flushed before the repository starts to be
stripped.
--- a/hgext/mq.py Thu Feb 16 03:08:00 2023 +0100
+++ b/hgext/mq.py Thu Feb 16 04:41:38 2023 +0100
@@ -2048,6 +2048,7 @@
# assumes strip can roll itself back if interrupted
repo.setparents(*cparents)
+ repo.dirstate.write(repo.currenttransaction())
self.applied.pop()
self.applieddirty = True
strip(self.ui, repo, [top], update=False, backup=False)