Let docs pass through with custom toolchains #2235
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Following rust-lang#2116, custom toolchains started to fail `rustup doc`, since they can't list components to check if `rust-docs` is installed. error: toolchain 'system' does not support components error: caused by: invalid toolchain name: 'system' Now custom toolchains just skip that component check, and it's up to the user to have installed the documentation in their own way.
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I think this raises a point about our API: custom toolchains shouldn't let us list try to list components - that code should have forced a compile error in the first place to help us understand that this problem would have arisen. |
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Following #2116, custom toolchains started to fail
rustup doc, sincethey can't list components to check if
rust-docsis installed.Now custom toolchains just skip that component check, and it's up to the
user to have installed the documentation in their own way.