{ nixpkgs, declInput }: let pkgs = import nixpkgs {}; in {
	jobsets = pkgs.runCommand "spec.json" {} ''
		cat <<EOF
		${builtins.toXML declInput}
		EOF
		cat > $out <<EOF
		{
			"enabled": 1,
			"hidden": false,
			"type": "legacy",
			"description": "Build packages maintained by me",
			"nixexprinput": "src",
			"nixexprpath": "default.nix",
			"checkinterval": 3600,
			"schedulingshares": 100,
			"enableemail": false,
			"emailoverride": "",
			"keepnr": 3,
			"inputs": {
				"src": {
					"type": "git",
					"value": "https://git.illustris.tech/illustris/hydra-builds master",
					"emailresponsible": false
				},
				"nixpkgs": {
					"type": "git",
					"value": "https://github.com/NixOS/nixpkgs master",
					"emailresponsible": false
				},
				"maintainer":	 { "type": "string", "value": "illustris" }
			}
		}
		EOF
	'';
}