#!/usr/bin/env bash
# Pre-commit hook: ruff lint + auto-fix.
# Install: make install-hooks
set -euo pipefail

REPO_ROOT="$(git rev-parse --show-toplevel)"
RUFF="$REPO_ROOT/.venv/bin/ruff"

if [[ ! -x "$RUFF" ]]; then
    echo "pre-commit: ruff not found at $RUFF — run 'uv sync' first" >&2
    exit 1
fi

echo "→ ruff check"
"$RUFF" check --fix "$REPO_ROOT"

# Re-stage any files ruff fixed so they land in the commit.
git diff --name-only | xargs -r git add