> >> mkdir -p ....
> >>cp -p ...
> It will be good if you make use of macro like %{__cp}
>
Please, no! %{__cp} hugely decreases readability and if the situation
happens that mkdir and cp are not in the $PATH we will have much bigger
problems than running sed on all .spec files. Use just plain Unix
commands as $DEITY intended them to be used.
Matěj