#!/bin/sh
set -eu

cd -P -- "$(dirname -- "$0")"

case "${1:-check}" in
  check) action=check ;;
  --apply) action=apply ;;
  *) echo "usage: bin/migration-lineage [check|--apply]" >&2; exit 64 ;;
esac

if [ "$action" = apply ]; then
  : "${OPENAGENTS_STAGING_SNAPSHOT_ID:?OPENAGENTS_STAGING_SNAPSHOT_ID is required}"
fi

./prepare-config >/dev/null

export OPENAGENTS_MIGRATION_LINEAGE_ACTION="$action"

exec ./openagents eval \
  'OpenAgents.Release.migration_lineage(System.fetch_env!("OPENAGENTS_MIGRATION_LINEAGE_ACTION"), System.get_env("OPENAGENTS_STAGING_SNAPSHOT_ID"))'