Script to install Qt from the command line using something like: ./qt-installer --platform minimal --script installQt.qs

installQt.qs

function Controller() {
    installer.autoRejectMessageBoxes();

    installer.installationFinished.connect(function() {
        gui.clickButton(buttons.NextButton);
    });
}

Controller.prototype.WelcomePageCallback = function() {
    gui.clickButton(buttons.NextButton);
}

Controller.prototype.CredentialsPageCallback = function() {
    gui.clickButton(buttons.NextButton);
}

Controller.prototype.IntroductionPageCallback = function() {
    gui.clickButton(buttons.NextButton);
}

Controller.prototype.TargetDirectoryPageCallback = function() {
//    gui.currentPageWidget().TargetDirectoryLineEdit.setText("/where/to/install/Qt");

    gui.clickButton(buttons.NextButton);
}

Controller.prototype.ComponentSelectionPageCallback = function() {
    var widget = gui.currentPageWidget();

    widget.deselectAll();

//    widget.selectComponent("qt.592.win64_msvc2015_64");
//    widget.selectComponent("qt.592.gcc_64");
//    widget.selectComponent("qt.592.clang_64");

    gui.clickButton(buttons.NextButton);
}

Controller.prototype.LicenseAgreementPageCallback = function() {
    gui.currentPageWidget().AcceptLicenseRadioButton.setChecked(true);

    gui.clickButton(buttons.NextButton);
}

Controller.prototype.StartMenuDirectoryPageCallback = function() {
//    gui.clickButton(buttons.NextButton);
}

Controller.prototype.ReadyForInstallationPageCallback = function() {
    gui.clickButton(buttons.NextButton);
}

Controller.prototype.FinishedPageCallback = function() {
    var checkBoxForm = gui.currentPageWidget().LaunchQtCreatorCheckBoxForm;

    if (checkBoxForm && checkBoxForm.launchQtCreatorCheckBox)
        checkBoxForm.launchQtCreatorCheckBox.checked = false;

    gui.clickButton(buttons.FinishButton);
}