{
  nixpkgs,
  pulls,
  ...
}: let
  pkgs = import nixpkgs {};

  prs = builtins.fromJSON (builtins.readFile pulls);
  prJobsets =
    pkgs.lib.mapAttrs (
      num: info: {
        enabled = 1;
        hidden = false;
        description = "PR ${num}: ${info.title}";
        checkinterval = 60;
        schedulingshares = 20;
        enableemail = false;
        emailoverride = "";
        keepnr = 1;
        type = 1;
        flake = "git+https://gitea.stefka.eu/jiriks74/zsh.nix/pull/${num}/head";
      }
    )
    prs;
  mkFlakeJobset = branch: {
    description = "Build ${branch}";
    checkinterval = "3600";
    enabled = "1";
    schedulingshares = 100;
    enableemail = false;
    emailoverride = "";
    keepnr = 3;
    hidden = false;
    type = 1;
    flake = "git+https://gitea.stefka.eu/jiriks74/zsh.nix/${branch}";
  };

  desc =
    prJobsets
    // {
      "main" = mkFlakeJobset "main";
    };

  log = {
    pulls = prs;
    jobsets = desc;
  };
in {
  jobsets = pkgs.runCommand "spec-jobsets.json" {} ''
    cat >$out <<EOF
    ${builtins.toJSON desc}
    EOF
    # This is to get nice .jobsets build logs on Hydra
    cat >tmp <<EOF
    ${builtins.toJSON log}
    EOF
    ${pkgs.jq}/bin/jq . tmp
  '';
}