{
description = "Build a cargo project";
inputs = {
nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
flake-utils.url = "github:numtide/flake-utils";
crane = {
url = "github:ipetkov/crane";
inputs.nixpkgs.follows = "nixpkgs";
inputs.flake-utils.follows = "flake-utils";
};
fenix = {
url = "github:nix-community/fenix";
inputs.nixpkgs.follows = "nixpkgs";
inputs.rust-analyzer-src.follows = "";
};
advisory-db = {
url = "github:rustsec/advisory-db";
flake = false;
};
};
outputs = { self, nixpkgs, crane, fenix, flake-utils, advisory-db, ... }:
flake-utils.lib.eachDefaultSystem (system:
let
overlays = [ fenix.overlays.default ];
pkgs = import nixpkgs {
inherit system overlays;
};
inherit (pkgs) lib;
craneLib = crane.lib.${system};
src = craneLib.cleanCargoSource (craneLib.path ./.);
# Common arguments can be set here to avoid repeating them later
commonArgs = {
inherit src;
buildInputs = [
# Add additional build inputs here
]
++ lib.optionals pkgs.stdenv.isDarwin [
# Additional darwin specific inputs can be set here
pkgs.libiconv
];
};
toolchain = "latest";
rustPkg = fenix.packages.${system}.${toolchain}.withComponents
[
"cargo"
"clippy"
"rust-src"
"llvm-tools"
"rustc"
"rustfmt"
];
craneLibLLvmTools = craneLib.overrideToolchain rustPkg;
# 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.
rs-poker = craneLib.buildPackage (commonArgs // { inherit cargoArtifacts; });
in
{
checks = {
# Build the crate as part of `nix flake check` for convenience
inherit rs-poker;
# 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.
rs-poker-clippy = craneLib.cargoClippy (commonArgs // {
inherit cargoArtifacts;
cargoClippyExtraArgs = "--all-targets -- --deny warnings";
});
rs-poker-doc = craneLib.cargoDoc (commonArgs // {
inherit cargoArtifacts;
});
# Check formatting
rs-poker-fmt = craneLib.cargoFmt {
inherit src;
cargoClippyExtraArgs = "--all --check";
};
# Audit dependencies
rs-poker-audit = craneLib.cargoAudit {
inherit src advisory-db;
};
# Run tests with cargo-nextest
# Consider setting `doCheck = false` on `rs-poker` if you do not want
# the tests to run twice
rs-poker-nextest = craneLib.cargoNextest (commonArgs // {
inherit cargoArtifacts;
partitions = 1;
partitionType = "count";
});
} // lib.optionalAttrs (system == "x86_64-linux") {
# NB: cargo-tarpaulin only supports x86_64 systems
# Check code coverage (note: this will not upload coverage anywhere)
rs-poker-coverage = craneLib.cargoTarpaulin (commonArgs // {
inherit cargoArtifacts;
});
};
packages = {
default = rs-poker;
rs-poker-llvm-coverage = craneLibLLvmTools.cargoLlvmCov (commonArgs // {
inherit cargoArtifacts;
});
};
apps.default = flake-utils.lib.mkApp {
drv = rs-poker;
};
devShells.default = pkgs.mkShell {
inputsFrom = builtins.attrValues self.checks.${system};
nativeBuildInputs = with pkgs; [
rustPkg
rust-analyzer-nightly
];
};
});
}