{ description = "Build a cargo project"; inputs = { nixpkgs.url = "github:NixOS/nixpkgs/release-23.11"; crane = { url = "github:ipetkov/crane"; inputs.nixpkgs.follows = "nixpkgs"; }; fenix = { url = "github:nix-community/fenix"; inputs.nixpkgs.follows = "nixpkgs"; inputs.rust-analyzer-src.follows = ""; }; flake-utils.url = "github:numtide/flake-utils"; advisory-db = { url = "github:rustsec/advisory-db"; flake = false; }; }; outputs = { self, nixpkgs, crane, fenix, flake-utils, advisory-db, ... }: flake-utils.lib.eachDefaultSystem (system: let pname = "nonempty"; pkgs = nixpkgs.legacyPackages.${system}; inherit (pkgs) lib; craneLib = crane.lib.${system}; src = craneLib.cleanCargoSource (craneLib.path ./.); # Common arguments can be set here to avoid repeating them later commonArgs = { inherit src; strictDeps = true; buildInputs = [ # Add additional build inputs here ] ++ lib.optionals pkgs.stdenv.isDarwin [ # Additional darwin specific inputs can be set here pkgs.libiconv ]; }; craneLibLLvmTools = craneLib.overrideToolchain (fenix.packages.${system}.complete.withComponents [ "cargo" "llvm-tools" "rustc" ]); # Build *just* the cargo dependencies, so we can reuse # all of that work (e.g. via cachix) when running in CI cargoArtifacts = craneLib.buildDepsOnly commonArgs; # Build the actual crate itself, reusing the dependency # artifacts from above. nonempty = craneLib.buildPackage (commonArgs // { inherit cargoArtifacts; doCheck = false; }); in { # Formatter formatter = pkgs.alejandra; checks = { # Build the crate as part of `nix flake check` for convenience inherit nonempty; # Run clippy (and deny all warnings) on the crate source, # again, resuing the dependency artifacts from above. # # Note that this is done as a separate derivation so that # we can block the CI if there are issues here, but not # prevent downstream consumers from building our crate by itself. nonempty-clippy = craneLib.cargoClippy (commonArgs // { inherit cargoArtifacts; cargoClippyExtraArgs = "--all-targets -- --deny warnings"; }); nonempty-doc = craneLib.cargoDoc (commonArgs // { inherit cargoArtifacts; }); # Check formatting nonempty-fmt = craneLib.cargoFmt { inherit src; }; # Audit dependencies nonempty-audit = craneLib.cargoAudit { inherit src advisory-db; }; # Audit licenses nonempty-deny = craneLib.cargoDeny { inherit src; }; # Run tests with cargo-nextest nonempty-nextest = craneLib.cargoNextest (commonArgs // { inherit cargoArtifacts; partitions = 1; partitionType = "count"; }); }; packages = { default = nonempty; } // lib.optionalAttrs (!pkgs.stdenv.isDarwin) { nonempty-llvm-coverage = craneLibLLvmTools.cargoLlvmCov (commonArgs // { inherit cargoArtifacts; }); }; devShells.default = craneLib.devShell { # Extra inputs can be added here; cargo and rustc are provided by default. packages = [ pkgs.cargo-watch pkgs.cargo-nextest pkgs.ripgrep pkgs.rust-analyzer ]; }; }); }