#!/usr/bin/env bash
set -euo pipefail

# Portée des contrôles: all (défaut) ou changed
export SCOPE="${SCOPE:-all}"

list_changed_paths() {
  # Renvoie la liste des chemins modifiés (HEAD~1..HEAD), ou vide si non dispo
  git diff --name-only HEAD~1..HEAD 2>/dev/null || true
}

is_path_changed() {
  local path="$1"
  if [[ "$SCOPE" != "changed" ]]; then return 0; fi
  local changed
  changed=$(list_changed_paths)
  if [[ -z "$changed" ]]; then return 0; fi
  grep -q "^${path%/}\(/\|$\)" <<<"$changed" && return 0 || return 1
}