$ git clone -n https://src.fedoraproject.org/rpms/bcm283x-firmware.git /var/lib/mock/f31-build-75274-31247/root/chroot_tmpdir/scmroot/bcm283x-firmware
Cloning into '/var/lib/mock/f31-build-75274-31247/root/chroot_tmpdir/scmroot/bcm283x-firmware'...
$ git reset --hard 3aa048ab8e969cfe54d5471b9bf7f3bc04a54bb2
HEAD is now at 3aa048a 3822340 firmware