{ description = "Build a cargo project"; inputs = { nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable"; 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 pkgs = nixpkgs.legacyPackages.${system}; inherit (pkgs) lib; craneLib = crane.mkLib pkgs; src = craneLib.cleanCargoSource ./.; # Common arguments can be set here to avoid repeating them later commonArgs = { inherit src; strictDeps = true; buildInputs = [ ]; # Additional environment variables can be set directly # MY_CUSTOM_VAR = "some value"; }; craneLibLLvmTools = craneLib.overrideToolchain ( fenix.packages.${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. wiki-builder = craneLib.buildPackage (commonArgs // { inherit cargoArtifacts; }); in { checks = { # Build the crate as part of `nix flake check` for convenience inherit wiki-builder; # Run clippy (and deny all warnings) on the crate source, # again, reusing 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. wiki-builder-clippy = craneLib.cargoClippy ( commonArgs // { inherit cargoArtifacts; cargoClippyExtraArgs = "--all-targets -- --deny warnings"; } ); wiki-builder-doc = craneLib.cargoDoc (commonArgs // { inherit cargoArtifacts; }); # Check formatting wiki-builder-fmt = craneLib.cargoFmt { inherit src; }; # Audit dependencies wiki-builder-audit = craneLib.cargoAudit { inherit src advisory-db; }; # Audit licenses wiki-builder-deny = craneLib.cargoDeny { inherit src; }; # Run tests with cargo-nextest # Consider setting `doCheck = false` on `wiki-builder` if you do not want # the tests to run twice wiki-builder-nextest = craneLib.cargoNextest ( commonArgs // { inherit cargoArtifacts; partitions = 1; partitionType = "count"; } ); }; packages = { default = wiki-builder; } // lib.optionalAttrs (!pkgs.stdenv.isDarwin) { wiki-builder-llvm-coverage = craneLibLLvmTools.cargoLlvmCov (commonArgs // { inherit cargoArtifacts; }); }; apps.default = flake-utils.lib.mkApp { drv = wiki-builder; }; devShells.default = craneLib.devShell { # Inherit inputs from checks. checks = self.checks.${system}; # 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 = [ # pkgs.ripgrep ]; }; } ); }