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flake.nix
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flake.nix
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{
inputs = {
# nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
rust-overlay.url = "github:oxalica/rust-overlay";
# crane = {
# url = "github:ipetkov/crane";
# inputs.nixpkgs.follows = "nixpkgs";
# };
systems.url = "github:nix-systems/default";
treefmt-nix = {
url = "github:numtide/treefmt-nix";
inputs.nixpkgs.follows = "nixpkgs";
};
};
outputs = {
self,
systems,
nixpkgs,
treefmt-nix,
...
} @ inputs: let
eachSystem = f:
nixpkgs.lib.genAttrs (import systems) (
system:
f (import nixpkgs {
inherit system;
overlays = [inputs.rust-overlay.overlays.default];
})
);
rustToolchain = eachSystem (pkgs: pkgs.rust-bin.stable.latest);
treefmtEval = eachSystem (pkgs: treefmt-nix.lib.evalModule pkgs ./treefmt.nix);
in {
# You can use crane to build the Rust application with Nix
# packages = eachSystem (pkgs: let
# craneLib = inputs.crane.lib.${pkgs.system};
# in {
# default = craneLib.buildPackage {
# src = craneLib.cleanCargoSource (craneLib.path ./.);
# };
# });
devShells = eachSystem (pkgs: {
# Based on a discussion at https://github.com/oxalica/rust-overlay/issues/129
default = pkgs.mkShell (with pkgs; {
nativeBuildInputs = [
clang
# Use mold when we are runnning in Linux
(lib.optionals stdenv.isLinux mold)
];
buildInputs = [
rustToolchain.${pkgs.system}.default
rust-analyzer-unwrapped
cargo
# pkg-config
# openssl
];
RUST_SRC_PATH = "${
rustToolchain.${pkgs.system}.rust-src
}/lib/rustlib/src/rust/library";
});
});
formatter = eachSystem (pkgs: treefmtEval.${pkgs.system}.config.build.wrapper);
checks = eachSystem (pkgs: {
formatting = treefmtEval.${pkgs.system}.config.build.check self;
});
};
}