Script.qbs

import qbs

Product {
    id: component

    type: ["script"]
    builtByDefault: false

    property string command: ""
    property var arguments: []
    property string description: ""

    property var script: null

    Rule {
        multiplex: true
        requiresInputs: false
        alwaysRun: true

        Artifact {
            filePath: "dummy"
            fileTags: ["script"]
        }

        prepare: {
            var cmd;
            if (product.command !== "") {
                cmd = new Command(product.command, product.arguments);
            } else if (product.hasOwnProperty("script")) {
                cmd = new JavaScriptCommand();
                cmd.sourceCode = product.script;
            }

            cmd.description = product.description;
            return [cmd];
        }

    }

}