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Description
In rustup we have two HTTP backends (curl and reqwest). These are both features, and both can be disabled, but at least one must be enabled.
Similarly, for reqwest we have two features selecting the TLS cert stack to use, and again at least one must be enabled.
We enable sensible defaults via the default-features mechanism.
So we have the following feature sets that are valid:
["curl-backend"]
["reqwest-backend", "reqwest-default-tls"]
["curl-backend", "reqwest-backend", "reqwest-default-tls"]
["reqwest-backend", "reqwest-rustls-tls"]
["curl-backend", "reqwest-backend", "reqwest-rustls-tls"]
["reqwest-backend", "reqwest-default-tls", "reqwest-default-tls"]
["curl-backend", "reqwest-backend", "reqwest-default-tls", "reqwest-default-tls"]
I'd love to be able to express this to cargo-all-features somehow. Right now I've just forced it to always have reqwest-backend and reqwest-rustls-tls on.