{ description = "Build a cargo project without extra checks"; inputs = { nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable"; crane = { url = "github:ipetkov/crane"; inputs.nixpkgs.follows = "nixpkgs"; }; flake-utils.url = "github:numtide/flake-utils"; }; outputs = { self, nixpkgs, crane, flake-utils, ... }: flake-utils.lib.eachDefaultSystem (system: let pkgs = nixpkgs.legacyPackages.${system}; craneLib = crane.mkLib pkgs; # Common arguments can be set here to avoid repeating them later # Note: changes here will rebuild all dependency crates commonArgs = { src = craneLib.cleanCargoSource ./.; strictDeps = true; buildInputs = [ # Add additional build inputs here ] ++ pkgs.lib.optionals pkgs.stdenv.isDarwin [ # Additional darwin specific inputs can be set here pkgs.libiconv ]; }; my-crate = craneLib.buildPackage (commonArgs // { cargoArtifacts = craneLib.buildDepsOnly commonArgs; # Additional environment variables or build phases/hooks can be set # here *without* rebuilding all dependency crates # MY_CUSTOM_VAR = "some value"; }); in { checks = { inherit my-crate; }; packages.default = my-crate; apps.default = flake-utils.lib.mkApp { drv = my-crate; }; devShells.default = craneLib.devShell { # Inherit inputs from checks. checks = self.checks.${system}; LIBCLANG_PATH = "${pkgs.llvmPackages_17.libclang.lib}/lib"; #RUST_BACKTRACE = 1; # enable for more debugging RUST_SRC_PATH = "${pkgs.rust.packages.stable.rustPlatform.rustLibSrc}"; # Additional dev-shell environment variables can be set directly # MY_CUSTOM_DEVELOPMENT_VAR = "something else"; # Extra inputs can be added here; cargo and rustc are provided by default. packages = with pkgs; [ openssl pkg-config libiconv ]; }; }); }