{ description = "Build a cargo project"; inputs = { nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable"; crane.url = "github:ipetkov/crane"; flake-utils.url = "github:numtide/flake-utils"; advisory-db = { url = "github:rustsec/advisory-db"; flake = false; }; }; outputs = { self, nixpkgs, crane, 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 = with pkgs; [ mold # for Linux # Audio (Linux only) alsa-lib # Cross Platform 3D Graphics API vulkan-loader # For debugging around vulkan vulkan-tools # Other dependencies libudev-zero libx11 libxcursor libxi libxrandr libxkbcommon wayland ] ++ lib.optionals pkgs.stdenv.isDarwin [ # Additional darwin specific inputs can be set here pkgs.libiconv ]; # Additional environment variables can be set directly # MY_CUSTOM_VAR = "some value"; }; # 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. my-crate = craneLib.buildPackage ( commonArgs // { inherit cargoArtifacts; } ); in { checks = { # Build the crate as part of `nix flake check` for convenience inherit my-crate; # 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. my-crate-clippy = craneLib.cargoClippy ( commonArgs // { inherit cargoArtifacts; cargoClippyExtraArgs = "--all-targets -- --deny warnings"; } ); my-crate-doc = craneLib.cargoDoc ( commonArgs // { inherit cargoArtifacts; # This can be commented out or tweaked as necessary, e.g. set to # `--deny rustdoc::broken-intra-doc-links` to only enforce that lint env.RUSTDOCFLAGS = "--deny warnings"; } ); # Check formatting my-crate-fmt = craneLib.cargoFmt { inherit src; }; my-crate-toml-fmt = craneLib.taploFmt { src = pkgs.lib.sources.sourceFilesBySuffices src [".toml"]; # taplo arguments can be further customized below as needed # taploExtraArgs = "--config ./taplo.toml"; }; # Audit dependencies my-crate-audit = craneLib.cargoAudit { inherit src advisory-db; }; # Audit licenses my-crate-deny = craneLib.cargoDeny { inherit src; }; # Run tests with cargo-nextest # Consider setting `doCheck = false` on `my-crate` if you do not want # the tests to run twice my-crate-nextest = craneLib.cargoNextest ( commonArgs // { inherit cargoArtifacts; partitions = 1; partitionType = "count"; cargoNextestPartitionsExtraArgs = "--no-tests=pass"; } ); }; 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}; # 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; [ pkgs.clang mold # for Linux # Audio (Linux only) alsa-lib # Cross Platform 3D Graphics API vulkan-loader # For debugging around vulkan vulkan-tools # Other dependencies libudev-zero libx11 libxcursor libxi libxrandr libxkbcommon wayland pkg-config ]; LD_LIBRARY_PATH = lib.makeLibraryPath [ pkgs.vulkan-loader pkgs.libx11 pkgs.libxi pkgs.libxcursor pkgs.libxkbcommon pkgs.wayland ]; # PKG_CONFIG_PATH = "${pkgs.wayland}/lib/pkgconfig:${pkgs.alsa-lib}/lib"; }; } ); }