`1,3`.
So, perhaps there is really no good solution to this. --[[Joey]]
+
+> I suppose the balance of probabilities is that a worktree file being
+> overwritten in the current race window is fairly plausibly likely,
+> while a file being repeatedly appended to in that way is very unlikely.
+>
+> But the balance of ill effects is that in the current case you lose data
+> in a way that is easy to understand (and that git is also subject to),
+> and in the repeated append case, a file gets into a state it never ought
+> to possibly be in.
+>
+> So I think it makes sense to abandon this idea. [[done]] --[[Joey]]