conduit/flake.nix
2023-01-28 00:10:21 +03:00

56 lines
2.1 KiB
Nix

{
inputs.nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
inputs.d2n.url = "github:nix-community/dream2nix";
inputs.d2n.inputs.nixpkgs.follows = "nixpkgs";
inputs.parts.url = "github:hercules-ci/flake-parts";
inputs.rust-overlay.url = "github:oxalica/rust-overlay";
inputs.rust-overlay.inputs.nixpkgs.follows = "nixpkgs";
outputs = inp:
inp.parts.lib.mkFlake {inputs = inp;} {
systems = ["x86_64-linux"];
imports = [inp.d2n.flakeModuleBeta];
perSystem = {
config,
system,
pkgs,
...
}: let
cargoToml = builtins.fromTOML (builtins.readFile ./Cargo.toml);
pkgsWithToolchain = pkgs.appendOverlays [inp.rust-overlay.overlays.default];
toolchains = pkgsWithToolchain.rust-bin.stable."${cargoToml.package.rust-version}";
# toolchain to use when building conduit, includes only cargo and rustc to reduce closure size
buildToolchain = toolchains.minimal;
# toolchain to use in development shell
# the "default" component set of toolchain adds rustfmt, clippy etc.
devToolchain = toolchains.default.override {
extensions = ["rust-src"];
};
# flake outputs for conduit project
conduitOutputs = config.dream2nix.outputs.conduit;
in {
dream2nix.inputs.conduit = {
source = inp.self;
projects.conduit = {
name = "conduit";
subsystem = "rust";
translator = "cargo-lock";
};
packageOverrides = {
"^.*".set-toolchain.overrideRustToolchain = _: {
cargo = buildToolchain;
rustc = buildToolchain;
};
};
};
devShells.conduit = conduitOutputs.devShells.conduit.overrideAttrs (old: {
# export default crate sources for rust-analyzer to read
RUST_SRC_PATH = "${devToolchain}/lib/rustlib/src/rust/library";
nativeBuildInputs = (old.nativeBuildInputs or []) ++ [devToolchain];
});
devShells.default = config.devShells.conduit;
};
};
}