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{
  description = "%INIT_DESCRIPTION";

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

    treefmt-nix = {
      url = "github:numtide/treefmt-nix";
      inputs = {
        nixpkgs.follows = "nixpkgs";
      };
    };

    flake_version_update = {
      url = "git+https://codeberg.org/soispha/flake_version_update.git";
      inputs = {
        systems.follows = "systems";
        nixpkgs.follows = "nixpkgs";
        flake-utils.follows = "flake-utils";
      };
    };

    # inputs for following
    systems = {
      url = "github:nix-systems/x86_64-linux"; # only evaluate for this system
    };
    flake-compat = {
      url = "github:edolstra/flake-compat";
      flake = false;
    };
    flake-utils = {
      url = "github:numtide/flake-utils";
      inputs = {
        systems.follows = "systems";
      };
    };
  };

  outputs = {
    self,
    nixpkgs,
    flake-utils,
    treefmt-nix,
    flake_version_update,
    ...
  }:
    flake-utils.lib.eachDefaultSystem (system: let
      pkgs = nixpkgs.legacyPackages."${system}";

      nativeBuildInputs = with pkgs; [valgrind pandoc];
      treefmtEval = import ./treefmt.nix {inherit treefmt-nix pkgs;};

      # This version is set automatically on `cog bump --auto`;
      version = "v%INIT_APPLICATION_VERSION"; # GUIDING VERSION STRING
      pname = "%INIT_APPLICATION_NAME";

      build = pkgs.stdenv.mkDerivation {
        inherit pname version;

        src = ./.;
        makeFlags = ["PREFIX=${placeholder "out"}" "BIN_VERSION=${version}"];
        inherit nativeBuildInputs;
      };
    in {
      packages.default = build;
      checks = {
        inherit build;
        formatting = treefmtEval.config.build.check self;
      };
      formatter = treefmtEval.config.build.wrapper;

      devShells.default = pkgs.mkShell {
        packages = with pkgs; [
          cocogitto
          flake_version_update.packages."${system}".default

          reuse
        ];
        inherit nativeBuildInputs;
        env = {
          GCC_COLORS = "error=01;31:warning=01;35:note=01;36:caret=01;32:locus=01:quote=01";
        };
      };
    });
}
# vim: ts=2