Nix Cleanup

name: nix-cleanup description: Run janitorial cleanup for this flake: flake check, statix/deadnix linting, and safe hygiene fixes.

Nix Cleanup

What I do

• Keep cleanup aligned with this repo's linting and workflow rules.
• Run checks in a safe order and summarize findings before edits.
• Apply small hygiene fixes (unused bindings, repeated keys, legacy syntax) when requested.

When to use me

Use this skill when you want a janitorial pass before committing, or when Nix lint errors need cleanup.

Workflow

1. Run nix flake check --no-build to validate the flake without builds.
2. Run nix run nixpkgs#statix -- check . for linting.
3. Run nix run nixpkgs#deadnix -- . for unused bindings.
4. Summarize findings and ask before auto-fixing.
5. If approved, apply statix fix and/or deadnix -e, then re-run checks.

Hygiene rules

• Avoid repeated keys in attribute sets; nest under a single key.
• Remove empty let blocks and unused arguments.
• Prefer lib.mkIf over nested ifs.
• Use mkEnableOption for boolean options.
• Use pkgs.stdenv.hostPlatform.system instead of system.

Safety

• Never run destructive commands.
• Never touch dotfile-managed program configs (see dotfiles policy).
• Ask before changes that alter secrets or host definitions.