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Experiments and stuff

flake.nix (view raw)

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{
  description = "A basic gomod2nix flake";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";

    pre-commit-hooks.url = "github:cachix/git-hooks.nix";
    pre-commit-hooks.inputs.nixpkgs.follows = "nixpkgs";
  };

  outputs =
    {
      self,
      nixpkgs,
      pre-commit-hooks,
    }:
    let
      supportedSystems = [
        "x86_64-linux"
        "aarch64-linux"
        "x86_64-darwin"
        "aarch64-darwin"
      ];

      forAllSystems = nixpkgs.lib.genAttrs supportedSystems;
    in
    {
      checks = forAllSystems (
        system:
        let
          pkgs = import nixpkgs { inherit system; };
        in
        {
          pre-commit-check = pre-commit-hooks.lib.${system}.run {
            src = ./.;
            hooks = {
              go-mod-tidy = {
                enable = true;
                name = "go-mod-tidy";
                description = "Run `go mod tidy`";
                types_or = [
                  "go"
                  "go-mod"
                ];
                entry = "${pkgs.go}/bin/go mod tidy";
                pass_filenames = false;
              };
            };
          };
        }
      );
      devShells = forAllSystems (system: {
        default = nixpkgs.legacyPackages.${system}.mkShell {
          inherit (self.checks.${system}.pre-commit-check) shellHook;
          packages = with nixpkgs.legacyPackages.${system}; [
            go
            go-licenses
            gotools
            just
          ];
        };
      });
    };
}