kram - try new pre-commit hook

scripts/pre-commit

@@ -1,20 +1,19 @@
 #!/bin/bash
 
-# derived from here
-# https://github.com/andrewseidl/githook-clang-format/blob/master/clang-format.hook
-# Uses the _clang-format file for rules
-# Uses the _clang-format_ignore file to skip dirs
+# Check if there are any staged changes
+if ! git diff --cached --name-only | grep -q '\.cpp\|\.c\|\.h\|\.hpp'; then
+    exit 0
+fi
 
-format_file() {
-  file="${1}"
+# Run clang-format on staged changes
+git clang-format --style=file
 
-  if [ -f $file ]; then
-    clang-format -style=file -i ${file}
-    git add ${file}
-  fi
-}
-
-for file in `git diff-index --cached --name-only HEAD | grep -iE '\*.(cpp|h|m|mm)$' ` ; do
-  format_file "${file}"
-done
+# Check if clang-format made any changes
+if ! git diff --cached --name-only | grep -q '\.cpp\|\.c\|\.h\|\.hpp'; then
+    echo "No changes made by clang-format."
+    exit 0
+fi
 
+# Add the formatted changes
+echo "Code formatted with clang-format."
+git add .