$ gnome-software --version gnome-software 3.30.2 $ xdg-open DellUsbCDockFirmwareUpdateLinux_00.00.07.cab
Now does the right thing
$ gnome-software --version mwareUpdateLinu x_00.00. 07.cab
gnome-software 3.30.2
$ xdg-open DellUsbCDockFir
Now does the right thing