{ inputs = { crane.url = "github:ipetkov/crane"; flake-utils.url = "github:numtide/flake-utils"; fenix.url = "github:nix-community/fenix"; nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable"; advisory-db = { flake = false; url = "github:rustsec/advisory-db"; }; }; outputs = { self, crane, fenix, flake-utils, nixpkgs, advisory-db }: flake-utils.lib.eachDefaultSystem (system: let pkgs = nixpkgs.legacyPackages.${system}; fenixPkgs = fenix.packages.${system}; craneLib = crane.lib.${system}; src = craneLib.path ./.; # Common arguments can be set here to avoid repeating them later commonArgs = with pkgs; rec { inherit src; strictDeps = true; nativeBuildInputs = [ pkg-config ]; buildInputs = [ # Add additional build inputs here ctranslate2 fontconfig libGL libxkbcommon openssl wayland ] ++ (with xorg; [ libX11 libXcursor libXi libXrandr ]) ++ lib.optionals stdenv.isDarwin [ # Additional darwin specific inputs can be set here libiconv ]; LD_LIBRARY_PATH = "${lib.makeLibraryPath buildInputs}"; SARASA_GOTHIC_PATH = "${sarasa-gothic}/share/fonts/truetype/Sarasa-Regular.ttc"; }; craneLibLLvmTools = craneLib.overrideToolchain (fenixPkgs.complete.withComponents [ "cargo" "llvm-tools" "rustc" ]); # Build *just* the cargo dependencies, so we can reuse # all of that work (e.g. via cachix) when running in CI cargoArtifacts = craneLib.buildDepsOnly commonArgs; # Build the actual crate itself, reusing the dependency # artifacts from above. crate = craneLib.buildPackage (commonArgs // { inherit cargoArtifacts; }); in { checks = { # Build the crate as part of `nix flake check` for convenience inherit crate; # Run clippy (and deny all warnings) on the crate source, # again, resuing the dependency artifacts from above. # # Note that this is done as a separate derivation so that # we can block the CI if there are issues here, but not # prevent downstream consumers from building our crate by itself. clippy = craneLib.cargoClippy (commonArgs // { inherit cargoArtifacts; cargoClippyExtraArgs = "--all-targets -- --deny warnings"; }); doc = craneLib.cargoDoc (commonArgs // { inherit cargoArtifacts; }); # Check formatting fmt = craneLib.cargoFmt { inherit src; }; # Audit dependencies audit = craneLib.cargoAudit { inherit src advisory-db; }; # Audit licenses deny = craneLib.cargoDeny { inherit src; }; # Run tests with cargo-nextest # Consider setting `doCheck = false` on `my-crate` if you do not want # the tests to run twice nextest = craneLib.cargoNextest (commonArgs // { inherit cargoArtifacts; partitions = 1; partitionType = "count"; }); }; packages = { default = crate; } // pkgs.lib.optionalAttrs (!pkgs.stdenv.isDarwin) { my-crate-llvm-coverage = craneLibLLvmTools.cargoLlvmCov (commonArgs // { inherit cargoArtifacts; }); }; apps.default = flake-utils.lib.mkApp { drv = crate; }; devShells.default = craneLib.devShell (commonArgs // { # Inherit inputs from checks. # Enable after Cargo.toml and Cargo.lock are present checks = self.checks.${system}; # Extra inputs can be added here; cargo and rustc are provided by default. packages = [ fenixPkgs.rust-analyzer pkgs.xorg.libxcb ]; RUST_SRC_PATH = "${fenixPkgs.complete.rust-src}/lib/rustlib/src/rust/library"; }); }); }