``` git grep -lz 'Copyright.txt or https://cmake.org/licensing ' | while IFS= read -r -d $'\0' f ; do sed -i '/Copyright.txt or https:\/\/cmake.org\/licensing / { s/Copyright.txt/LICENSE.rst/ }' "$f" ; done ```
This should be front end compatible with vanilla clang but giving it a unique identifier allows a project to pass additional options unique to Fujitsu and outside the scope of a CMake builtin.