File _servicedata of Package kernel-firmware
<servicedata> <service name="tar_scm"> <param name="url">https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git</param> <param name="changesrevision">b3049665a5d0e6b411d1b10f78986a72862ec703</param></service></servicedata>