Runs cargo fmt on Rust projects with workspace detection and nightly toolchain fallback.
npx skills add https://github.com/waki285/dotfiles --skill rustfmt-waki285
Please help me install this Agent Skill. Skill: rustfmt Source: https://github.com/waki285/dotfiles/tree/main/.skills/rustfmt Command: npx skills add https://github.com/waki285/dotfiles --skill rustfmt-waki285
cargo fmt runs correctly every time. ## Core Features & Use Cases - Workspace Detection: Reads Cargo.toml and automatically adds --all when a [workspace] section is present. - Nightly Detection: Inspects command output for indicators like "unstable features are only available in nightly channel" and switches all subsequent runs to cargo +nightly fmt. - Check-Then-Apply Workflow: Runs cargo fmt --check first to preview changes, then applies formatting and reports how many files were reformatted. - Use Case: After writing new Rust code in a workspace project with a nightly-only rustfmt.toml, ask the agent to format the code and it will detect the workspace scope, switch to the nightly toolchain, apply formatting, and summarize the results. ## Quick Start Format the Rust code in this project using the rustfmt skill and tell me how many files changed.High-intent search queries and answers about installing and using this skill.
Run cargo fmt in the project directory to format all source files according to rustfmt rules. Use cargo fmt --check first to preview which files need changes without modifying them.
Run cargo fmt --all to format every crate in a workspace. The skill detects the [workspace] section in Cargo.toml automatically and adds the --all flag for you.
This happens when rustfmt.toml uses nightly-only configuration options on a stable toolchain. Switch to cargo +nightly fmt so the unstable options are accepted.
Only when the project's rustfmt.toml or .rustfmt.toml uses unstable options. The skill checks command output for nightly indicators and uses cargo +nightly fmt for all subsequent runs in that session.
Run cargo fmt -- --check to see a diff of what would change without writing anything. A non-zero exit code means some files are not formatted according to the configured rules.
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