set -eu

repo_root=$(git rev-parse --show-toplevel)

cd "$repo_root"

staged_files=$(git diff --cached --name-only --diff-filter=ACMR -- src | grep -E '\.(cs|csproj|props|targets|editorconfig|json|sln|slnx)$' || true)

if [ -z "$staged_files" ]; then

exit 0

unstaged_files=$(git diff --name-only -- $staged_files || true)

if [ -n "$unstaged_files" ]; then

echo "pre-commit: relevant files have unstaged changes."

echo "Stage or stash them before committing so dotnet format does not rewrite mixed content."

printf '%s\n' "$unstaged_files"

exit 1

if ! command -v dotnet >/dev/null 2>&1; then

echo "pre-commit: dotnet CLI not found; skipping whitespace formatting."

exit 0

echo "pre-commit: running dotnet format whitespace on staged src files"

dotnet format whitespace src --folder --verbosity minimal --include $staged_files

if ! git diff --quiet -- $staged_files; then

git add -- $staged_files

echo "pre-commit: formatting updates were staged. Review them and run git commit again."

exit 1

exit 0