mirror of
https://github.com/actions-rust-lang/setup-rust-toolchain.git
synced 2024-12-27 09:05:23 +01:00
68 lines
2.5 KiB
Markdown
68 lines
2.5 KiB
Markdown
# Install Rust Toolchain
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This GitHub Action installs a Rust toolchain using rustup.
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It further integrates into the ecosystem.
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Caching for Rust tools and build artifacts is enabled.
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Environment variables are set to optimize the cache hits.
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[Problem Matchers] are provided for build messages (cargo, clippy) and formatting (rustfmt).
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The action is heavily inspired by *dtolnay*'s <https://github.com/dtolnay/rust-toolchain> and extends it with further features.
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## Example workflow
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```yaml
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name: "Test Suite"
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on:
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push:
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pull_request:
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jobs:
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test:
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name: cargo test
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v3
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- uses: actions-rust-lang/setup-rust-toolchain@v1
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- run: cargo test --all-features
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# Check formatting with rustfmt
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formatting:
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name: cargo fmt
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v3
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# Ensure rustfmt is installed and setup problem matcher
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- uses: actions-rust-lang/setup-rust-toolchain@v1
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with:
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components: rustfmt
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- name: Rustfmt Check
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uses: actions-rust-lang/rustfmt@v1
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```
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## Inputs
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All inputs are optional.
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If a [toolchain file](https://rust-lang.github.io/rustup/overrides.html#the-toolchain-file) (i.e., `rust-toolchain` or `rust-toolchain.toml`) is found in the root of the repository, it takes precedence.
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All input values are ignored if a toolchain file exists.
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| Name | Description | Default |
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| ------------ | --------------------------------------------------------------------------------- | ------- |
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| `toolchain` | Rustup toolchain specifier e.g. `stable`, `nightly`, `1.42.0`. | stable |
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| `target` | Additional target support to install e.g. `wasm32-unknown-unknown` | |
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| `components` | Comma-separated string of additional components to install e.g. `clippy, rustfmt` | |
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## Outputs
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| Name | Description |
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| ---------------- | ----------------------------------------- |
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| `rustc-version` | Version as reported by `rustc --version` |
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| `cargo-version` | Version as reported by `cargo --version` |
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| `rustup-version` | Version as reported by `rustup --version` |
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## License
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The scripts and documentation in this project are released under the [MIT
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License].
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[MIT License]: LICENSE
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[Problem Matchers]: https://github.com/actions/toolkit/blob/main/docs/problem-matchers.md
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