98 lines
3.4 KiB
Nix
98 lines
3.4 KiB
Nix
# This file is pretty general, and you can adapt it in your project replacing
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# only `name` and `description` below.
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{
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description = "My awesome Rust project";
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inputs = {
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nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
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utils.url = "github:numtide/flake-utils";
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rust-overlay.url = "github:oxalica/rust-overlay";
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crate2nix = {
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url = "github:kolloch/crate2nix";
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flake = false;
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};
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flake-compat = {
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url = "github:edolstra/flake-compat";
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flake = false;
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};
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};
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outputs = { self, nixpkgs, utils, rust-overlay, crate2nix, ... }:
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let
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# If you change the name here, you must also do it in Cargo.toml
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name = "rust-nix-template";
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# Rust release channel to use.
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# https://rust-lang.github.io/rustup/concepts/channels.html
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rustChannel = "stable";
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in
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utils.lib.eachDefaultSystem
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(system:
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let
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# Imports
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pkgs = import nixpkgs {
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inherit system;
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overlays = [
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rust-overlay.overlay
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(self: super: {
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# Because rust-overlay bundles multiple rust packages into one
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# derivation, specify that mega-bundle here, so that crate2nix
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# will use them automatically.
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rustc = self.rust-bin.${rustChannel}.latest.default;
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cargo = self.rust-bin.${rustChannel}.latest.default;
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})
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];
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};
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# cf. https://github.com/kolloch/crate2nix/issues/110
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inherit (import "${crate2nix}/tools.nix" { inherit pkgs; })
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generatedCargoNix;
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# Create the cargo2nix project
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project = pkgs.callPackage
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(generatedCargoNix {
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inherit name;
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src = ./.;
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})
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{
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inherit pkgs;
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buildRustCrate = null; # https://github.com/kolloch/crate2nix/pull/178#issuecomment-820692187
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# Individual crate overrides go here
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# Example: https://github.com/balsoft/simple-osd-daemons/blob/6f85144934c0c1382c7a4d3a2bbb80106776e270/flake.nix#L28-L50
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defaultCrateOverrides = pkgs.defaultCrateOverrides // {
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# The himalaya crate itself is overriden here. Typically we
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# configure non-Rust dependencies (see below) here.
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${name} = oldAttrs: {
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inherit buildInputs nativeBuildInputs;
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};
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};
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};
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# Configuration for the non-Rust dependencies
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buildInputs = with pkgs; [ openssl.dev ];
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nativeBuildInputs = with pkgs; [ rustc cargo pkgconfig ];
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in
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rec {
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packages.${name} = project.rootCrate.build;
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# `nix build`
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defaultPackage = packages.${name};
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# `nix develop`
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devShell = pkgs.mkShell
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{
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inputsFrom = builtins.attrValues self.packages.${system};
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buildInputs = buildInputs ++ (with pkgs;
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# Tools you need for development go here.
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[
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nixpkgs-fmt
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cargo-watch
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pkgs.rust-bin.${rustChannel}.latest.rust-analysis
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pkgs.rust-bin.${rustChannel}.latest.rls
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]);
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RUST_SRC_PATH = "${pkgs.rust-bin.${rustChannel}.latest.rust-src}/lib/rustlib/src/rust/library";
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};
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}
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);
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}
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