spotfile/example/pkg.json

{
    "name": "SomePackage",
    "targets": [
	{
	    "in":  "config.m4",
	    "out": "output/example.conf"
	},
	{
	    "in": "config.m4",
	    "out": "output/example-2.conf"
	}
    ],
    "install": [
	{
	    "source": "output/",
	    "destination": "~/.config/somepackage/"
	}
    ]
}