$ git clone -n https://src.fedoraproject.org/rpms/bcm283x-firmware.git /var/lib/mock/f33-build-319906-57909/root/chroot_tmpdir/scmroot/bcm283x-firmware
Cloning into '/var/lib/mock/f33-build-319906-57909/root/chroot_tmpdir/scmroot/bcm283x-firmware'...
$ git reset --hard 2ca8b543a54b3a12f70732ffcf9b93773c3e675a
HEAD is now at 2ca8b54 Update to c2c6ce8