8332: Error when `rustfmt` component is unavailable r=jonas-schievink a=jonas-schievink Fixes https://github.com/rust-analyzer/rust-analyzer/issues/8331 When the toolchain has no installable rustfmt component, running `rustfmt` complains with ``` error: the 'rustfmt' component which provides the command 'rustfmt' is not available for the 'nightly-2021-04-04-x86_64-unknown-linux-gnu' toolchain ``` Check for occurrence of "not available" in addition to the existing "not installed" to detect this case and report a user-visible error. rustfmt and/or rustup should *really* be changed to not use the same exit status here bors r+ Co-authored-by: Jonas Schievink <jonasschievink@gmail.com>
rust-analyzer is a modular compiler frontend for the Rust language. It is a part of a larger rls-2.0 effort to create excellent IDE support for Rust.
Work on rust-analyzer is sponsored by
Quick Start
https://rust-analyzer.github.io/manual.html#installation
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If you want to contribute to rust-analyzer or are just curious about how things work under the hood, check the ./docs/dev folder.
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https://users.rust-lang.org/c/ide/14
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License
Rust analyzer is primarily distributed under the terms of both the MIT license and the Apache License (Version 2.0).
See LICENSE-APACHE and LICENSE-MIT for details.