nixpkgs/upstart-jobs/hardware-scan.nix

{modprobe, doHardwareScan, kernelModules}:

{
  name = "hardware-scan";
  
  job = ''
    start on udev

    script
        for i in ${toString kernelModules}; do
            echo "Loading kernel module $i..."
            ${modprobe}/sbin/modprobe $i || true
        done

        if test -n "${toString doHardwareScan}" -a ! -e /var/run/safemode; then

            # Try to load modules for all PCI and USB devices.
            for i in /sys/bus/pci/devices/*/modalias /sys/bus/usb/devices/*/modalias; do
                echo "Trying to load a module for $(basename $(dirname $i))..."
                ${modprobe}/sbin/modprobe $(cat $i) || true
                echo ""
            done

        fi
    end script
  '';

}