Eelco Dolstra 3be7c0037e WorkerProto: Support fine-grained protocol feature negotiation ...

Currently, the worker protocol has a version number that we increment
whenever we change something in the protocol. However, this can cause
a collision between Nix PRs / forks that make protocol changes
(e.g. PR #9857 increments the version, which could collide with
another PR). So instead, the client and daemon now exchange a set of
protocol features (such as `auth-forwarding`). They will use the
intersection of the sets of features, i.e. the features they both
support.

Note that protocol features are completely distinct from
`ExperimentalFeature`s.

2024-07-24 16:23:37 +02:00

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