Generate Cargo.nix files for per-crate Rust derivations in Nix Flakes workflows.
npx skills add https://github.com/olafkfreund/nixos_config --skill cargo2nix
Please help me install this Agent Skill. Skill: cargo2nix Source: https://github.com/olafkfreund/nixos_config/tree/main/.gemini/skills/cargo2nix Command: npx skills add https://github.com/olafkfreund/nixos_config --skill cargo2nix
cargo2nix helps Rust projects achieve reproducible builds by generating Cargo.nix files that describe per-crate derivations, enabling fine-grained caching and flexible toolchain control.
High-intent search queries and answers about installing and using this skill.
Generate per-crate Nix derivations by running cargo2nix to produce a Cargo.nix file, enabling fine-grained caching and deterministic builds for your Rust workspace.
Keep Cargo.nix in sync with Cargo.lock by running cargo update, executing cargo2nix, then git adding both Cargo.lock and Cargo.nix to persist updated derivation definitions.
Yes, cargo2nix supports cross-compilation and multi-binary projects, generating derivations across workspace crates with cross-target builds and development shells within Flakes-based workflows.
Yes, you need a Nix-based environment and cargo2nix tooling to produce deterministic derivations, as the workflow relies on Flakes integration for reproducible Rust project packaging.
Per-crate derivations enable selective rebuilding and allow sharing dependencies across projects, providing fine-grained caching and flexible toolchain control for reproducible Rust builds.
Avoid cargo2nix if your project does not use Nix or Flakes, as generating Cargo.nix for per-crate derivations requires a Nix-based environment to produce deterministic outputs.
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