-if [ ! -z "$changed_src" ]; then git-clang-format-9 --quiet --binary $(which clang-format-9) --diff master HEAD -- $changed_src > ./clang-format-diff; fi
-if [ ! -z "$changed_src" ]; then git-clang-format-10 --quiet --binary $(which clang-format-10) --diff master HEAD -- $changed_src > ./clang-format-diff; fi
-if [ -s ./clang-format-diff ]; then cat ./clang-format-diff && echo "Format source code according to .clang-format rules. Make sure to run make format" && false; fi