Martin von Zweigbergk 5f74dd5db3 repo: implement Repo on ReadonlyRepo instead of its Arc
I'd like to be able to pass a `self` of `type `&ReadonlyRepo` to
functions that take a `&dyn Repo`. For that, we need `ReadonlyRepo`
itself to implement `Repo` instead of having `Arc<ReadonlyRepo>`
implement it. I could have solved it in a different way, but the `Arc`
requirement seems like an unnecessary constraint.
2023-03-21 21:43:44 -07:00
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