#!/usr/bin/env bash

set -Eeuo pipefail

WM_DEPLOY_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
# shellcheck source=common.sh
source "$WM_DEPLOY_DIR/scripts/common.sh"

if [[ "$(id -u)" -ne 0 ]]; then
  wm_die "Dieses Skript muss als root ausgeführt werden."
fi

wm_load_env
revision="${1:-previous}"
deployments_dir="$WATERMAPS_RUNTIME_DIR/deployments"

if [[ "$revision" == "previous" ]]; then
  images_file="$deployments_dir/previous.env"
else
  [[ "$revision" =~ ^[0-9a-f]{40}$ ]] ||
    wm_die "Rollback-Ziel muss 'previous' oder eine vollständige Git-Commit-SHA sein."
  images_file="$deployments_dir/$revision.env"
fi

[[ -f "$images_file" ]] ||
  wm_die "Gespeichertes Release nicht gefunden: $images_file"

exec "$WM_DEPLOY_DIR/scripts/deploy.sh" --images-file "$images_file"