106 lines
2.6 KiB
Nix
106 lines
2.6 KiB
Nix
{
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inputs = {
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nixpkgs.url = "github:NixOS/nixpkgs?ref=nixos-unstable";
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flake-utils.url = "github:numtide/flake-utils";
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fenix = {
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url = "github:nix-community/fenix";
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inputs.nixpkgs.follows = "nixpkgs";
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};
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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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inputs.flake-utils.follows = "flake-utils";
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};
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};
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outputs =
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{ self
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, nixpkgs
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, flake-utils
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, fenix
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, crane
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}: flake-utils.lib.eachDefaultSystem (system:
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let
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pkgs = nixpkgs.legacyPackages.${system};
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# Use mold on Linux
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stdenv = if pkgs.stdenv.isLinux then
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pkgs.stdenvAdapters.useMoldLinker pkgs.stdenv
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else
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pkgs.stdenv;
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# Nix-accessible `Cargo.toml`
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cargoToml = builtins.fromTOML (builtins.readFile ./Cargo.toml);
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# The Rust toolchain to use
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toolchain = fenix.packages.${system}.toolchainOf {
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# Use the Rust version defined in `Cargo.toml`
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channel = cargoToml.package.rust-version;
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# THE rust-version HASH
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sha256 = "sha256-gdYqng0y9iHYzYPAdkC/ka3DRny3La/S5G8ASj0Ayyc=";
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};
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mkToolchain = fenix.packages.${system}.combine;
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buildToolchain = mkToolchain (with toolchain; [
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cargo
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rustc
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]);
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devToolchain = mkToolchain (with toolchain; [
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cargo
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clippy
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rust-src
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rustc
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# Always use nightly rustfmt because most of its options are unstable
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fenix.packages.${system}.latest.rustfmt
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]);
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builder =
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((crane.mkLib pkgs).overrideToolchain buildToolchain).buildPackage;
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nativeBuildInputs = (with pkgs.rustPlatform; [
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bindgenHook
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]);
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env = {
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ROCKSDB_INCLUDE_DIR = "${pkgs.rocksdb}/include";
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ROCKSDB_LIB_DIR = "${pkgs.rocksdb}/lib";
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};
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in
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{
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packages.default = builder {
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src = ./.;
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# This is redundant with CI
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doCheck = false;
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inherit
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env
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nativeBuildInputs
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stdenv;
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meta.mainProgram = cargoToml.package.name;
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};
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devShells.default = (pkgs.mkShell.override { inherit stdenv; }) {
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env = env // {
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# Rust Analyzer needs to be able to find the path to default crate
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# sources, and it can read this environment variable to do so. The
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# `rust-src` component is required in order for this to work.
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RUST_SRC_PATH = "${devToolchain}/lib/rustlib/src/rust/library";
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};
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# Development tools
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nativeBuildInputs = nativeBuildInputs ++ [
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devToolchain
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] ++ (with pkgs; [
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engage
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]);
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};
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});
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}
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