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Rust clippy-check Action

MIT licensed Gitter

Clippy lints in your Pull Requests

This GitHub Action executes clippy and posts all lints as annotations for the pushed commit, as in the live example here.


Example workflow

This example is utilizing toolchain Actions to install the most recent nightly clippy version.

on: push
name: Clippy check
    runs-on: ubuntu-latest
      - uses: actions/[email protected]
      - uses: actions-rs/[email protected]
            toolchain: nightly
            components: clippy
            override: true
      - uses: actions-rs/[email protected]
          token: ${{ secrets.GITHUB_TOKEN }}
          args: --all-features

With stable clippy

on: push
name: Clippy check
    runs-on: ubuntu-latest
      - uses: actions/[email protected]
      - run: rustup component add clippy
      - uses: actions-rs/[email protected]
          token: ${{ secrets.GITHUB_TOKEN }}
          args: --all-features


Name Required Description Type Default
token āœ“ GitHub secret token, usually a ${{ secrets.GITHUB_TOKEN }} string
toolchain Rust toolchain to use; override or system default toolchain will be used if omitted string
args Arguments for the cargo clippy command string
use-cross Use cross instead of cargo bool false
name Name of the created GitHub check. If running this action multiple times, each run must have a unique name. string clippy

For extra details about the toolchain, args and use-cross inputs, see cargo Action documentation.

NOTE: if your workflow contains multiple instances of the clippy-check action you will need to give each invocation a unique name, using the name property described above. Check runs must have a unique name, and this prevents a later check run overriding a previous one within the same workflow.


Due to token permissions, this Action WILL NOT be able to post clippy annotations for Pull Requests from the forked repositories.

This is a pretty big problem, which can be solved only by Github themselves, see #2 for details.
As a fallback this Action will output all clippy messages into the stdout and fail the result correspondingly.

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