$ git clone -n https://src.fedoraproject.org/rpms/optee_os.git /var/lib/mock/f40-build-771655-125989/root/chroot_tmpdir/scmroot/optee_os
Cloning into '/var/lib/mock/f40-build-771655-125989/root/chroot_tmpdir/scmroot/optee_os'...
$ git reset --hard d3ca338720dcb8f9e0a2a94b2d971735f749cedd
HEAD is now at d3ca338 4.0.0, Build rk3399 and sunxi-a64 OP-TEE