flake.nix - solax2mqtt

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55 {
  description = "Exporter for solax solar inverters to mqtt, written in nim";

  inputs = {
    flake-utils.url = "github:numtide/flake-utils";
    nixpkgs.url     = "github:NixOS/nixpkgs/nixos-24.05";
  };

  outputs = { self, nixpkgs, flake-utils }: {

    overlay = final: prev: {

      solax2mqtt = (
        let
          nmqtt = final.fetchFromGitHub {
            owner  = "zevv";
            repo   = "nmqtt";
            rev    = "v1.0.4";
            sha256 = "1by0xyqz754dny19lf8rpkg42passnj0rs6rk3jr763m1zr803mc";
          };

        in final.buildNimPackage {
          name        = "solax2mqtt";
          src         = self;

          nimFlags = [
            "--path:${nmqtt}"
          ];

          nimRelease  = true;
        }
      );

    };

  } // (flake-utils.lib.eachDefaultSystem (system:
    let
      pkgs = import nixpkgs {
        inherit system;
        overlays = [ self.overlay ];
      };

    in rec {

      packages.default    = pkgs.solax2mqtt;
      packages.solax2mqtt = pkgs.solax2mqtt;

      apps.default = {
        type = "app";
        program = "${pkgs.solax2mqtt}/bin/solax2mqtt";
      };

    }
  ));
}