Browse Source
This reverts commit 5d913f7010.
Sorry, I don't understand how any of this works, and it seems pretty
opaque/difficult to fine-tune.
askstate
Charles Hall
3 years ago
2 changed files with 99 additions and 397 deletions
@ -1,56 +1,74 @@ |
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{ |
{ |
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inputs.nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable"; |
inputs = { |
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inputs.d2n.url = "github:nix-community/dream2nix"; |
nixpkgs.url = "github:NixOS/nixpkgs"; |
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inputs.d2n.inputs.nixpkgs.follows = "nixpkgs"; |
flake-utils.url = "github:numtide/flake-utils"; |
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inputs.parts.url = "github:hercules-ci/flake-parts"; |
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inputs.rust-overlay.url = "github:oxalica/rust-overlay"; |
fenix = { |
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inputs.rust-overlay.inputs.nixpkgs.follows = "nixpkgs"; |
url = "github:nix-community/fenix"; |
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inputs.nixpkgs.follows = "nixpkgs"; |
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outputs = inp: |
}; |
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inp.parts.lib.mkFlake {inputs = inp;} { |
naersk = { |
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systems = ["x86_64-linux"]; |
url = "github:nix-community/naersk"; |
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imports = [inp.d2n.flakeModuleBeta]; |
inputs.nixpkgs.follows = "nixpkgs"; |
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perSystem = { |
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config, |
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system, |
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pkgs, |
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... |
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}: let |
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cargoToml = builtins.fromTOML (builtins.readFile ./Cargo.toml); |
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pkgsWithToolchain = pkgs.appendOverlays [inp.rust-overlay.overlays.default]; |
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toolchains = pkgsWithToolchain.rust-bin.stable."${cargoToml.package.rust-version}"; |
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# toolchain to use when building conduit, includes only cargo and rustc to reduce closure size |
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buildToolchain = toolchains.minimal; |
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# toolchain to use in development shell |
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# the "default" component set of toolchain adds rustfmt, clippy etc. |
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devToolchain = toolchains.default.override { |
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extensions = ["rust-src"]; |
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}; |
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# flake outputs for conduit project |
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conduitOutputs = config.dream2nix.outputs.conduit; |
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in { |
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dream2nix.inputs.conduit = { |
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source = inp.self; |
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projects.conduit = { |
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name = "conduit"; |
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subsystem = "rust"; |
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translator = "cargo-lock"; |
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}; |
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packageOverrides = { |
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"^.*".set-toolchain.overrideRustToolchain = _: { |
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cargo = buildToolchain; |
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rustc = buildToolchain; |
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}; |
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}; |
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}; |
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devShells.conduit = conduitOutputs.devShells.conduit.overrideAttrs (old: { |
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# export default crate sources for rust-analyzer to read |
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RUST_SRC_PATH = "${devToolchain}/lib/rustlib/src/rust/library"; |
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nativeBuildInputs = (old.nativeBuildInputs or []) ++ [devToolchain]; |
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}); |
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devShells.default = config.devShells.conduit; |
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}; |
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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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, naersk |
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}: flake-utils.lib.eachDefaultSystem (system: |
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let |
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pkgs = nixpkgs.legacyPackages.${system}; |
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# Nix-accessible `Cargo.toml` |
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cargoToml = builtins.fromTOML (builtins.readFile ./Cargo.toml); |
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# The Rust toolchain to use |
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toolchain = fenix.packages.${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 = "sha256-8len3i8oTwJSOJZMosGGXHBL5BVuGQnWOT2St5YAUFU="; |
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}; |
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builder = (pkgs.callPackage naersk { |
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inherit (toolchain) rustc cargo; |
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}).buildPackage; |
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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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nativeBuildInputs = (with pkgs.rustPlatform; [ |
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bindgenHook |
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]); |
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}; |
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devShells.default = pkgs.mkShell { |
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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 |
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RUST_SRC_PATH = "${toolchain.rust-src}/lib/rustlib/src/rust/library"; |
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# Development tools |
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nativeBuildInputs = (with pkgs.rustPlatform; [ |
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bindgenHook |
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]) ++ (with toolchain; [ |
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cargo |
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clippy |
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rust-src |
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rustc |
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rustfmt |
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]); |
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}; |
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checks = { |
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packagesDefault = self.packages.${system}.default; |
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devShellsDefault = self.devShells.${system}.default; |
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}; |
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}); |
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} |
} |
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