$ git clone -n https://src.fedoraproject.org/rpms/bcm283x-firmware.git /var/lib/mock/f40-build-801389-143775/root/chroot_tmpdir/scmroot/bcm283x-firmware
Cloning into '/var/lib/mock/f40-build-801389-143775/root/chroot_tmpdir/scmroot/bcm283x-firmware'...
$ git reset --hard c96cda74c9c7d22df96bd332f28429fdc4a6e3f4
HEAD is now at c96cda7 Update RPi400 to upstream fix