hook: Use clang-format with highest version

Also fixes some inconsistencies.

Author: FintasticMan

hooks/pre-commit

@@ -1,8 +1,27 @@
 #!/bin/sh
 
-git clang-format --extensions cpp,h --style file --staged -- ':!src/FreeRTOS' ':!src/libs'
+name=""
+version="14.0.0"
 
-git diff --name-only --diff-filter=ACMR | while read -r file
-do
+for file in $(find $(echo "$PATH" | sed 's/:/\n/g') -type f -executable -name 'git-clang-format*'); do
+  cur_name="$(basename "$file" | sed 's/^git-//')"
+  cur_version="$("$cur_name" --version | awk '{print $3}')"
+
+  if [ "$(printf '%s\n' "$cur_version" "$version" | sort -V | tail -n 1)" = "$cur_version" ]; then
+    version="$cur_version"
+    name="$cur_name"
+  fi
+done
+
+if [ -z "$name" ]; then
+  echo "Could not find a suitable clang-format installation. Install clang-format with at least version $version"
+  exit 1
+fi
+
+changed_files="$(git "$name" --extensions cpp,h --style file --staged -- ':!src/FreeRTOS' ':!src/libs')"
+
+echo "$changed_files"
+
+echo "$changed_files" | tail -n +2 | while read -r file; do
   git add -- "$file"
 done