tree-house/flake.nix at master · helix-editor/tree-house · GitHub

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{
  description = "A package manager for tree-sitter grammars";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
    rust-overlay = {
      url = "github:oxalica/rust-overlay";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  outputs =
    {
      self,
      nixpkgs,
      rust-overlay,
    }:
    let
      inherit (nixpkgs) lib;
      forEachSystem = lib.genAttrs lib.systems.flakeExposed;
    in
    {
      packages = forEachSystem (
        system:
        let
          pkgs = import nixpkgs {
            inherit system;
            overlays = [ (import rust-overlay) ];
          };
          toolchain = pkgs.rust-bin.stable.latest.default;
        in
        {
          skidder-cli = pkgs.callPackage ./. { gitRev = self.rev or self.dirtyRev; };
          default = self.packages.${system}.skidder-cli;
        }
      );

      devShell = forEachSystem (
        system:
        let
          pkgs = import nixpkgs {
            inherit system;
            overlays = [ (import rust-overlay) ];
          };
          toolchain = pkgs.rust-bin.stable.latest.default;
        in
        pkgs.mkShell {
          nativeBuildInputs = with pkgs;
            [
              (toolchain.override {
                extensions = [
                  "rust-src"
                  "clippy"
                  "llvm-tools-preview"
                ];
              })
              rust-analyzer
            ]
            ++ (lib.optionals stdenv.isLinux [
              cargo-llvm-cov
              cargo-flamegraph
              valgrind
            ]);
          RUST_BACKTRACE = "1";
        }
      );
    };
}