prometheus-smokeping-prober: cleanup version

{ lib, buildGoModule, fetchFromGitHub, nixosTests }:

let

  baseVersion = "0.4.2";

  commit = "722200c4adbd6d1e5d847dfbbd9dec07aa4ca38d";

in

buildGoModule rec {

  pname = "smokeping_prober";

  version = "${baseVersion}-g${commit}";

  version = "0.4.2";

  ldflags = let

    setVars = {

      Version = baseVersion;

      Revision = commit;

      Branch = commit;

    setVars = rec {

      Version = version;

      Revision = "722200c4adbd6d1e5d847dfbbd9dec07aa4ca38d";

      Branch = Revision;

      BuildUser = "nix";

    };

    varFlags = lib.concatStringsSep " " (lib.mapAttrsToList (name: value: "-X github.com/prometheus/common/version.${name}=${value}") setVars);

  ];

  src = fetchFromGitHub {

    rev = commit;

    owner = "SuperQ";

    repo = "smokeping_prober";

    rev = "v${version}";

    sha256 = "1lpcjip6qxhalldgm6i2kgbajfqy3vwfyv9jy0jdpii13lv6mzlz";

  };

  vendorSha256 = "0p2jmlxpvpaqc445j39b4z4i3mnjrm25khv3sq6ylldcgfd31vz8";