Merge branch 'develop' into greedy_third_iteration

Author: dhernandez0

.githooks/pre-commit

@@ -12,11 +12,42 @@ readarray -d '' files < <(
     | grep -zE '\.py$' \
     | grep -zEv '^(llvm-project/|external/llvm-project/)'
 )
+
 if (( ${#files[@]} )); then
-    echo "Running yapf on ${#files[@]} files..."
-    yapf -i "${files[@]}"
-    echo "Staging changes..."
-    git add -- "${files[@]}"
+    if command -v yapf >/dev/null 2>&1; then
+        echo "Running yapf on ${#files[@]} files..."
+        yapf -i "${files[@]}"
+        echo "Staging changes..."
+        git add -- "${files[@]}"
+    else
+        echo "yapf not found, skipping Python formatting."
+    fi
+fi
+
+readarray -d '' cxxfiles < <(git diff --cached --name-only -z --diff-filter=ACM \
+  | grep -zE '\.(c|cc|cxx|cpp|hpp|h|hh|hxx|hip|cl)$' \
+  | grep -zEv '^(llvm-project/|external/llvm-project/)')
+
+if (( ${#cxxfiles[@]} )); then
+    echo "Running clang-format on ${#cxxfiles[@]} staged C/C++ files..."
+    # Use direct clang-format to avoid re-diff logic; rely on available binary
+    clangfmt_bin="${CLANG_FORMAT_BIN:-clang-format}"
+    if ! command -v "$clangfmt_bin" >/dev/null 2>&1; then
+        echo "Error: $clangfmt_bin not found, aborting commit."
+        exit 1
+    else
+        for f in "${cxxfiles[@]}"; do
+            # Only format if file still exists
+            [[ -f "$f" ]] || continue
+            "$clangfmt_bin" -i "$f"
+        done
+        # Re-add any files changed by formatting so changes land in this commit
+        git add -- "${cxxfiles[@]}"
+        # Optionally fail if formatting introduced changes (enforce clean tree)
+        if ! git diff --cached --quiet -- "${cxxfiles[@]}"; then
+            echo "Applied clang-format changes and staged them."
+        fi
+    fi
 fi
 
 if (( NEED_POP )); then