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Run cargo-watch in the background for continuous clippy feedback during code editing.
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Use this when building a Bun (bun.lock) project with Nix. Covers bun2nix, the bun.nix dependency workflow, the bun --compile top-level-await pitfall, and a CI drift check.
Use this when setting up CI for a GitHub repository — offers GitHub Actions or Vira depending on the project
Use this when a flake's `nix develop` / `direnv allow` / `nix flake archive` is slow on a fresh checkout (the "first time takes 10 minutes" complaint). Diagnoses where the time actually lives and how to shrink the flake.lock input graph without changing build outputs.
Write a programming essay or blog post in the voice of the canon — Spolsky, Yegge, Graham, Mickens, Dijkstra, Brooks, Nystrom, Kleppmann, patio11. Invoke when the user wants to argue an idea about software, architecture, languages, or the craft — not a debugging war story (use debugging-story for that), not a tutorial, not a release note. The audience is working developers worldwide with taste and strong opinions of their own.
Use this when diagnosing or fixing a user's Nix installation — checks flakes, version, caches, max-jobs, direnv, rosetta, trusted-users, and shell config
Conventions for building Leptos CSR apps with Nix (crane + Trunk).
| name | cargo-watch |
| description | Run cargo-watch in the background for continuous clippy feedback during code editing. |
| user-invocable | false |
just watchRun just watch in the background at the start of any code-editing task. It launches cargo watch -x 'clippy --workspace --all-targets' which automatically re-runs clippy on every .rs file change.
Use Bash with run_in_background: true to start it, then periodically check TaskOutput for compilation errors and clippy warnings as you edit. This catches mistakes early without waiting for a manual clippy run at the end.
cargo-watch, rustfmt, clippy, and the full Rust toolchain come from the Nix devshell. No manual installs needed. The justfile auto-detects whether you're inside nix develop and wraps commands accordingly.
Always use --workspace --all-targets flags with clippy/check to cover all crates and all target types (lib, bin, tests, examples).