{ inputs = { haskellNix.url = "github:input-output-hk/haskell.nix"; hls-2-13 = { url = "github:haskell/haskell-language-server/2.13.0.0"; flake = false; }; nixpkgs.follows = "haskellNix/nixpkgs-2511"; flake-utils.url = "github:numtide/flake-utils"; crane.url = "github:ipetkov/crane"; rust-overlay = { url = "github:oxalica/rust-overlay"; inputs.nixpkgs.follows = "nixpkgs"; }; }; outputs = { self , nixpkgs , flake-utils , haskellNix , hls-2-13 , crane , rust-overlay }: flake-utils.lib.eachSystem [ "x86_64-linux" ] (system: let overlays = [ haskellNix.overlay (final: _prev: { hixProject = final.haskell-nix.hix.project { src = ./.; evalSystem = "x86_64-linux"; name = "garnet"; compiler-nix-name = "ghc9141"; shell.tools.cabal = "latest"; shell.withHoogle = false; shell.tools.haskell-language-server = { src = hls-2-13; sha256map = { "https://github.com/snowleopard/alga"."d4e43fb42db05413459fb2df493361d5a666588a" = "0s1mlnl64wj7pkg3iipv5bb4syy3bhxwqzqv93zqlvkyfn64015i"; }; }; }; }) (import rust-overlay) ]; pkgs = import nixpkgs { inherit system overlays; inherit (haskellNix) config; }; haskell = pkgs.hixProject.flake { }; rust = (crane.mkLib pkgs).overrideToolchain (p: p.rust-bin.selectLatestNightlyWith ( toolchain: toolchain.default.override { extensions = [ "rust-src" ]; targets = [ "x86_64-unknown-linux-gnu" ]; } )); in { devShells.default = pkgs.mkShell { inputsFrom = [ haskell.devShells.default (rust.devShell { }) ]; packages = with pkgs; [ bacon ghcid rust-analyzer ]; }; } ); }