{ inputs = { nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.05"; flake-utils.url = "github:numtide/flake-utils"; nix-filter.url = "github:numtide/nix-filter"; rust-overlay = { url = "github:oxalica/rust-overlay"; inputs = { nixpkgs.follows = "nixpkgs"; flake-utils.follows = "flake-utils"; }; }; crane = { url = "github:ipetkov/crane"; inputs = { nixpkgs.follows = "nixpkgs"; flake-utils.follows = "flake-utils"; }; }; advisory-db = { url = "github:rustsec/advisory-db"; flake = false; }; }; outputs = { self, nixpkgs, nix-filter, rust-overlay, crane, advisory-db, flake-utils }: flake-utils.lib.eachDefaultSystem (system: let overlays = [ (import rust-overlay) (final: prev: { nix-filter = nix-filter.lib; rust-toolchain = final.rust-bin.stable.latest.default; rust-dev-toolchain = final.rust-toolchain.override { extensions = [ "rust-src" ]; }; }) ]; pkgs = import nixpkgs { inherit system overlays; }; craneLib = (crane.mkLib pkgs).overrideToolchain pkgs.rust-toolchain; lib = pkgs.lib; stdenv = pkgs.stdenv; commonNativeBuildInputs = with pkgs; [ openssl pkg-config ] ++ lib.lists.optionals pkgs.stdenv.isDarwin [ darwin.apple_sdk.frameworks.Security ]; src = craneLib.cleanCargoSource (craneLib.path ./.); commonArgs = { inherit src; nativeBuildInputs = commonNativeBuildInputs; }; # 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; cwab = craneLib.buildPackage (commonArgs // { inherit cargoArtifacts; }); in rec { # `nix build` packages.default = cwab; # `nix develop` devShells.default = import ./shell.nix { inherit pkgs; }; checks = { # Build the crate as part of `nix flake check` for convenience inherit cwab; # 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. cwab-clippy = craneLib.cargoClippy (commonArgs // { inherit cargoArtifacts; cargoClippyExtraArgs = "--all-targets -- --deny warnings"; }); cwab-doc = craneLib.cargoDoc (commonArgs // { inherit cargoArtifacts; }); # Check formatting cwab-fmt = craneLib.cargoFmt { inherit src; }; # Audit dependencies cwab-audit = craneLib.cargoAudit { inherit src advisory-db; }; # Run tests with cargo-nextest # Consider setting `doCheck = false` on `cwab` if you do not want # the tests to run twice cwab-nextest = craneLib.cargoNextest (commonArgs // { inherit cargoArtifacts; partitions = 1; partitionType = "count"; }); }; }); }