added afmt script

scripts/auto-formatter.sh

@@ -0,0 +1,32 @@
+#!/bin/bash
+if [[ ! -f README.md ]]; then
+  cd ..
+fi
+
+folder_list=(
+  "./bsp_hosted"
+  "./example_common"
+)
+
+cmake_fmt="cmake-format"
+file_selectors="-iname CMakeLists.txt"
+if command -v ${cmake_fmt} &> /dev/null; then
+  echo "Auto-formatting all CMakeLists.txt files"
+  ${cmake_fmt} -i CMakeLists.txt
+  for dir in ${folder_list[@]}; do
+    find ${dir} ${file_selectors} | xargs ${cmake_fmt} -i
+  done
+else
+  echo "No ${cmake_fmt} tool found, not formatting CMake files"
+fi
+
+cpp_format="clang-format"
+file_selectors="-iname *.h -o -iname *.cpp -o -iname *.c -o -iname *.tpp"
+if command -v ${cpp_format} &> /dev/null; then
+  for dir in ${folder_list[@]}; do
+    echo "Auto-formatting C/C++ files in ${dir} recursively"
+    find ${dir} ${file_selectors} | xargs ${cpp_format} --style=file -i
+  done
+else
+  echo "No ${cpp_format} tool found, not formatting C++/C files"
+fi