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flake.nix
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flake.nix
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{
inputs = {
nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
crane.url = "github:ipetkov/crane";
crane.inputs.nixpkgs.follows = "nixpkgs";
rust-overlay.url = "github:oxalica/rust-overlay";
flake-utils.url = "github:numtide/flake-utils";
};
outputs = { self, nixpkgs, crane, rust-overlay, flake-utils }:
flake-utils.lib.eachDefaultSystem (system:
let
overlays = [ (import rust-overlay) ];
pkgs = import nixpkgs {
inherit system overlays;
};
inherit (pkgs) lib;
rust-toolchain = pkgs.rust-bin.stable.latest.default;
rust-dev-toolchain = pkgs.rust-bin.stable.latest.default.override {
extensions = [ "rust-src" "rust-analyzer" ];
};
craneLib = (crane.mkLib pkgs).overrideToolchain rust-toolchain;
cssFilter = path: _type: builtins.match ".*css$" path != null;
cssOrCargo = path: type: (cssFilter path type) || (craneLib.filterCargoSources path type);
src = lib.cleanSourceWith {
src = craneLib.path ./.;
filter = cssOrCargo;
};
buildInputs = [
pkgs.bintools
] ++ lib.optionals pkgs.stdenv.isDarwin [
# Additional darwin specific inputs can be set here
pkgs.libiconv
];
cargoArtifacts = craneLib.buildDepsOnly {
inherit src buildInputs;
};
# Build the actual crate itself, reusing the dependency
# artifacts from above.
nucleoid-contributors-gen = craneLib.buildPackage {
inherit cargoArtifacts src buildInputs;
};
in
{
checks = {
# Build the crate as part of `nix flake check` for convenience
inherit nucleoid-contributors-gen;
# 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.
nucleoid-contributors-gen-clippy = craneLib.cargoClippy {
inherit cargoArtifacts src buildInputs;
cargoClippyExtraArgs = "--all-targets -- --deny warnings";
};
# Check formatting
nucleoid-contributors-gen-fmt = craneLib.cargoFmt {
inherit src;
};
};
packages.default = pkgs.stdenv.mkDerivation rec {
pname = "nucleoid-contributors";
version = "devel";
src = ./.;
nativeBuildInputs = [ nucleoid-contributors-gen ];
buildPhase = "nucleoid-contributors";
installPhase = "cp -r build $out";
};
packages.nucleoid-contributors-gen = nucleoid-contributors-gen;
devShells.default = pkgs.mkShell {
inputsFrom = builtins.attrValues self.checks;
# Extra inputs can be added here
nativeBuildInputs = with pkgs; [
rust-dev-toolchain
];
};
});
}