88 lines
2.6 KiB
Nix
88 lines
2.6 KiB
Nix
{
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description = "Build a cargo project";
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inputs = {
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nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
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crane = {
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url = "github:ipetkov/crane";
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inputs.nixpkgs.follows = "nixpkgs";
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};
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flake-utils.url = "github:numtide/flake-utils";
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rust-overlay = {
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url = "github:oxalica/rust-overlay";
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inputs = {
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nixpkgs.follows = "nixpkgs";
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flake-utils.follows = "flake-utils";
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};
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};
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};
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outputs = { self, nixpkgs, crane, flake-utils, rust-overlay, ... }:
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flake-utils.lib.eachDefaultSystem (system:
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let
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pkgs = import nixpkgs {
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inherit system;
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overlays = [ (import rust-overlay) ];
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};
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rustWithWasiTarget = pkgs.rust-bin.stable.latest.default.override {
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targets = [ "wasm32-wasi" "wasm32-unknown-unknown" ];
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};
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# NB: we don't need to overlay our custom toolchain for the *entire*
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# pkgs (which would require rebuidling anything else which uses rust).
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# Instead, we just want to update the scope that crane will use by appending
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# our specific toolchain there.
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craneLib = (crane.mkLib pkgs).overrideToolchain rustWithWasiTarget;
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my-crate = craneLib.buildPackage {
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src = craneLib.cleanCargoSource (craneLib.path ./.);
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cargoExtraArgs = "--target wasm32-unknown-unknown";
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# Tests currently need to be run via `cargo wasi` which
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# isn't packaged in nixpkgs yet...
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doCheck = false;
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buildInputs = with pkgs; [
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# Add additional build inputs here
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openssl
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pkg-config
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] ++ pkgs.lib.optionals pkgs.stdenv.isDarwin [
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# Additional darwin specific inputs can be set here
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pkgs.libiconv
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];
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};
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in
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{
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checks = {
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inherit my-crate;
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};
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packages.default = my-crate;
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apps.default = flake-utils.lib.mkApp {
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drv = pkgs.writeShellScriptBin "my-app" ''
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${pkgs.wasmtime}/bin/wasmtime run ${my-crate}/bin/custom-toolchain.wasm
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'';
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};
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devShells.default = pkgs.mkShell {
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inputsFrom = builtins.attrValues self.checks.${system};
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# Extra inputs can be added here
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nativeBuildInputs = with pkgs; [
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rustWithWasiTarget
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rust-analyzer
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cargo
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rustup
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rustc
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nodePackages_latest.wrangler
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worker-build
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wasm-pack
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];
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};
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});
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}
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