# .env rendering helpers for setup.sh

setup_write_env() {
  local ENV_OUT="$(dirname "$0")/.env"
  if [ -f "$ENV_OUT" ]; then
    say WARNING ".env already exists at $(realpath "$ENV_OUT" 2>/dev/null || echo "$ENV_OUT"). It will be overwritten."
    local cont
    if [ "$FORCE_OVERWRITE" = "1" ]; then
      cont=1
    else
      cont=$(ask_yn "Continue and overwrite?" n)
    fi
    [ "$cont" = "1" ] || { say ERROR "Aborted"; exit 1; }
  fi

  DB_PLAYERBOTS_NAME=${DB_PLAYERBOTS_NAME:-$DEFAULT_DB_PLAYERBOTS_NAME}
  HOST_ZONEINFO_PATH=${HOST_ZONEINFO_PATH:-$DEFAULT_HOST_ZONEINFO_PATH}
  MYSQL_INNODB_REDO_LOG_CAPACITY=${MYSQL_INNODB_REDO_LOG_CAPACITY:-$DEFAULT_MYSQL_INNODB_REDO_LOG_CAPACITY}
  MYSQL_RUNTIME_TMPFS_SIZE=${MYSQL_RUNTIME_TMPFS_SIZE:-$DEFAULT_MYSQL_RUNTIME_TMPFS_SIZE}
  COMPOSE_OVERRIDE_MYSQL_EXPOSE_ENABLED=${COMPOSE_OVERRIDE_MYSQL_EXPOSE_ENABLED:-$DEFAULT_COMPOSE_OVERRIDE_MYSQL_EXPOSE_ENABLED}
  COMPOSE_OVERRIDE_WORLDSERVER_DEBUG_LOGGING_ENABLED=${COMPOSE_OVERRIDE_WORLDSERVER_DEBUG_LOGGING_ENABLED:-$DEFAULT_COMPOSE_OVERRIDE_WORLDSERVER_DEBUG_LOGGING_ENABLED}
  MYSQL_DISABLE_BINLOG=${MYSQL_DISABLE_BINLOG:-$DEFAULT_MYSQL_DISABLE_BINLOG}
  MYSQL_CONFIG_DIR=${MYSQL_CONFIG_DIR:-$DEFAULT_MYSQL_CONFIG_DIR}
  CLIENT_DATA_PATH=${CLIENT_DATA_PATH:-$DEFAULT_CLIENT_DATA_PATH}
  BACKUP_HEALTHCHECK_MAX_MINUTES=${BACKUP_HEALTHCHECK_MAX_MINUTES:-$DEFAULT_BACKUP_HEALTHCHECK_MAX_MINUTES}
  BACKUP_HEALTHCHECK_GRACE_SECONDS=${BACKUP_HEALTHCHECK_GRACE_SECONDS:-$DEFAULT_BACKUP_HEALTHCHECK_GRACE_SECONDS}
  DB_WAIT_RETRIES=${DB_WAIT_RETRIES:-$DEFAULT_DB_WAIT_RETRIES}
  DB_WAIT_SLEEP=${DB_WAIT_SLEEP:-$DEFAULT_DB_WAIT_SLEEP}
  DB_RECONNECT_SECONDS=${DB_RECONNECT_SECONDS:-$DEFAULT_DB_RECONNECT_SECONDS}
  DB_RECONNECT_ATTEMPTS=${DB_RECONNECT_ATTEMPTS:-$DEFAULT_DB_RECONNECT_ATTEMPTS}
  DB_UPDATES_ALLOWED_MODULES=${DB_UPDATES_ALLOWED_MODULES:-$DEFAULT_DB_UPDATES_ALLOWED_MODULES}
  DB_UPDATES_REDUNDANCY=${DB_UPDATES_REDUNDANCY:-$DEFAULT_DB_UPDATES_REDUNDANCY}
  DB_LOGIN_WORKER_THREADS=${DB_LOGIN_WORKER_THREADS:-$DEFAULT_DB_LOGIN_WORKER_THREADS}
  DB_WORLD_WORKER_THREADS=${DB_WORLD_WORKER_THREADS:-$DEFAULT_DB_WORLD_WORKER_THREADS}
  DB_CHARACTER_WORKER_THREADS=${DB_CHARACTER_WORKER_THREADS:-$DEFAULT_DB_CHARACTER_WORKER_THREADS}
  DB_LOGIN_SYNCH_THREADS=${DB_LOGIN_SYNCH_THREADS:-$DEFAULT_DB_LOGIN_SYNCH_THREADS}
  DB_WORLD_SYNCH_THREADS=${DB_WORLD_SYNCH_THREADS:-$DEFAULT_DB_WORLD_SYNCH_THREADS}
  DB_CHARACTER_SYNCH_THREADS=${DB_CHARACTER_SYNCH_THREADS:-$DEFAULT_DB_CHARACTER_SYNCH_THREADS}
  MYSQL_HEALTHCHECK_INTERVAL=${MYSQL_HEALTHCHECK_INTERVAL:-$DEFAULT_MYSQL_HEALTHCHECK_INTERVAL}
  MYSQL_HEALTHCHECK_TIMEOUT=${MYSQL_HEALTHCHECK_TIMEOUT:-$DEFAULT_MYSQL_HEALTHCHECK_TIMEOUT}
  MYSQL_HEALTHCHECK_RETRIES=${MYSQL_HEALTHCHECK_RETRIES:-$DEFAULT_MYSQL_HEALTHCHECK_RETRIES}
  MYSQL_HEALTHCHECK_START_PERIOD=${MYSQL_HEALTHCHECK_START_PERIOD:-$DEFAULT_MYSQL_HEALTHCHECK_START_PERIOD}
  AUTH_HEALTHCHECK_INTERVAL=${AUTH_HEALTHCHECK_INTERVAL:-$DEFAULT_AUTH_HEALTHCHECK_INTERVAL}
  AUTH_HEALTHCHECK_TIMEOUT=${AUTH_HEALTHCHECK_TIMEOUT:-$DEFAULT_AUTH_HEALTHCHECK_TIMEOUT}
  AUTH_HEALTHCHECK_RETRIES=${AUTH_HEALTHCHECK_RETRIES:-$DEFAULT_AUTH_HEALTHCHECK_RETRIES}
  AUTH_HEALTHCHECK_START_PERIOD=${AUTH_HEALTHCHECK_START_PERIOD:-$DEFAULT_AUTH_HEALTHCHECK_START_PERIOD}
  WORLD_HEALTHCHECK_INTERVAL=${WORLD_HEALTHCHECK_INTERVAL:-$DEFAULT_WORLD_HEALTHCHECK_INTERVAL}
  WORLD_HEALTHCHECK_TIMEOUT=${WORLD_HEALTHCHECK_TIMEOUT:-$DEFAULT_WORLD_HEALTHCHECK_TIMEOUT}
  WORLD_HEALTHCHECK_RETRIES=${WORLD_HEALTHCHECK_RETRIES:-$DEFAULT_WORLD_HEALTHCHECK_RETRIES}
  WORLD_HEALTHCHECK_START_PERIOD=${WORLD_HEALTHCHECK_START_PERIOD:-$DEFAULT_WORLD_HEALTHCHECK_START_PERIOD}
  for hc_key in "${HEALTHCHECK_KEYS[@]}"; do
    default_var="DEFAULT_${hc_key}"
    printf -v "$hc_key" '%s' "${!hc_key:-${!default_var}}"
  done
  unset hc_key default_var
  MODULE_ELUNA=${MODULE_ELUNA:-$DEFAULT_MODULE_ELUNA}
  BACKUP_PATH=${BACKUP_PATH:-$DEFAULT_BACKUP_PATH}

  local project_image_prefix
  project_image_prefix="$(sanitize_project_name "$DEFAULT_PROJECT_NAME")"
  if [ "$STACK_IMAGE_MODE" = "playerbots" ]; then
    AC_AUTHSERVER_IMAGE_PLAYERBOTS_VALUE="$(resolve_project_image_tag "$project_image_prefix" "authserver-playerbots")"
    AC_WORLDSERVER_IMAGE_PLAYERBOTS_VALUE="$(resolve_project_image_tag "$project_image_prefix" "worldserver-playerbots")"
    AC_DB_IMPORT_IMAGE_VALUE="$(resolve_project_image_tag "$project_image_prefix" "db-import-playerbots")"
    AC_CLIENT_DATA_IMAGE_PLAYERBOTS_VALUE="$(resolve_project_image_tag "$project_image_prefix" "client-data-playerbots")"
  else
    AC_AUTHSERVER_IMAGE_PLAYERBOTS_VALUE="$DEFAULT_AUTH_IMAGE_PLAYERBOTS"
    AC_WORLDSERVER_IMAGE_PLAYERBOTS_VALUE="$DEFAULT_WORLD_IMAGE_PLAYERBOTS"
    AC_DB_IMPORT_IMAGE_VALUE="$DEFAULT_AC_DB_IMPORT_IMAGE"
    AC_CLIENT_DATA_IMAGE_PLAYERBOTS_VALUE="$DEFAULT_CLIENT_DATA_IMAGE_PLAYERBOTS"
  fi
  AC_AUTHSERVER_IMAGE_MODULES_VALUE="$(resolve_project_image_tag "$project_image_prefix" "authserver-modules-latest")"
  AC_WORLDSERVER_IMAGE_MODULES_VALUE="$(resolve_project_image_tag "$project_image_prefix" "worldserver-modules-latest")"

  {
    cat <<EOF
# Generated by setup.sh

# Compose overrides (set to 1 to include matching file under compose-overrides/)
# mysql-expose.yml -> exposes MySQL externally via COMPOSE_OVERRIDE_MYSQL_EXPOSE_ENABLED
# worldserver-debug-logging.yml -> raises log verbosity via COMPOSE_OVERRIDE_WORLDSERVER_DEBUG_LOGGING_ENABLED
COMPOSE_OVERRIDE_MYSQL_EXPOSE_ENABLED=$COMPOSE_OVERRIDE_MYSQL_EXPOSE_ENABLED
COMPOSE_OVERRIDE_WORLDSERVER_DEBUG_LOGGING_ENABLED=$COMPOSE_OVERRIDE_WORLDSERVER_DEBUG_LOGGING_ENABLED

COMPOSE_PROJECT_NAME=$DEFAULT_PROJECT_NAME

STORAGE_PATH=$STORAGE_PATH
STORAGE_PATH_LOCAL=$LOCAL_STORAGE_ROOT
STORAGE_CONFIG_PATH=$(get_template_value "STORAGE_CONFIG_PATH")
STORAGE_LOGS_PATH=$(get_template_value "STORAGE_LOGS_PATH")
STORAGE_MODULES_PATH=$(get_template_value "STORAGE_MODULES_PATH")
STORAGE_LUA_SCRIPTS_PATH=$(get_template_value "STORAGE_LUA_SCRIPTS_PATH")
STORAGE_MODULES_META_PATH=$(get_template_value "STORAGE_MODULES_META_PATH")
STORAGE_MODULE_SQL_PATH=$(get_template_value "STORAGE_MODULE_SQL_PATH")
STORAGE_INSTALL_MARKERS_PATH=$(get_template_value "STORAGE_INSTALL_MARKERS_PATH")
STORAGE_CLIENT_DATA_PATH=$(get_template_value "STORAGE_CLIENT_DATA_PATH")
STORAGE_LOCAL_SOURCE_PATH=$(get_template_value "STORAGE_LOCAL_SOURCE_PATH")
BACKUP_PATH=$BACKUP_PATH
TZ=$DEFAULT_TZ

# Database
MYSQL_IMAGE=$DEFAULT_MYSQL_IMAGE
MYSQL_ROOT_PASSWORD=$MYSQL_ROOT_PASSWORD
MYSQL_ROOT_HOST=$DEFAULT_MYSQL_ROOT_HOST
MYSQL_USER=$DEFAULT_MYSQL_USER
  MYSQL_PORT=$DEFAULT_MYSQL_INTERNAL_PORT
  MYSQL_EXTERNAL_PORT=$MYSQL_EXTERNAL_PORT
MYSQL_DISABLE_BINLOG=${MYSQL_DISABLE_BINLOG:-$DEFAULT_MYSQL_DISABLE_BINLOG}
MYSQL_CONFIG_DIR=${MYSQL_CONFIG_DIR:-$DEFAULT_MYSQL_CONFIG_DIR}
MYSQL_CHARACTER_SET=$DEFAULT_MYSQL_CHARACTER_SET
MYSQL_COLLATION=$DEFAULT_MYSQL_COLLATION
MYSQL_MAX_CONNECTIONS=$DEFAULT_MYSQL_MAX_CONNECTIONS
MYSQL_INNODB_BUFFER_POOL_SIZE=$DEFAULT_MYSQL_INNODB_BUFFER_POOL_SIZE
MYSQL_INNODB_LOG_FILE_SIZE=$DEFAULT_MYSQL_INNODB_LOG_FILE_SIZE
MYSQL_INNODB_REDO_LOG_CAPACITY=${MYSQL_INNODB_REDO_LOG_CAPACITY:-$DEFAULT_MYSQL_INNODB_REDO_LOG_CAPACITY}
MYSQL_RUNTIME_TMPFS_SIZE=${MYSQL_RUNTIME_TMPFS_SIZE:-$DEFAULT_MYSQL_RUNTIME_TMPFS_SIZE}
MYSQL_HOST=$DEFAULT_MYSQL_HOST
DB_WAIT_RETRIES=$DB_WAIT_RETRIES
DB_WAIT_SLEEP=$DB_WAIT_SLEEP
DB_AUTH_NAME=$DEFAULT_DB_AUTH_NAME
DB_WORLD_NAME=$DEFAULT_DB_WORLD_NAME
DB_CHARACTERS_NAME=$DEFAULT_DB_CHARACTERS_NAME
DB_PLAYERBOTS_NAME=${DB_PLAYERBOTS_NAME:-$DEFAULT_DB_PLAYERBOTS_NAME}
AC_DB_IMPORT_IMAGE=$AC_DB_IMPORT_IMAGE_VALUE

# Database Import Settings
DB_RECONNECT_SECONDS=$DB_RECONNECT_SECONDS
DB_RECONNECT_ATTEMPTS=$DB_RECONNECT_ATTEMPTS
DB_UPDATES_ALLOWED_MODULES=$DB_UPDATES_ALLOWED_MODULES
DB_UPDATES_REDUNDANCY=$DB_UPDATES_REDUNDANCY
DB_LOGIN_WORKER_THREADS=$DB_LOGIN_WORKER_THREADS
DB_WORLD_WORKER_THREADS=$DB_WORLD_WORKER_THREADS
DB_CHARACTER_WORKER_THREADS=$DB_CHARACTER_WORKER_THREADS
DB_LOGIN_SYNCH_THREADS=$DB_LOGIN_SYNCH_THREADS
DB_WORLD_SYNCH_THREADS=$DB_WORLD_SYNCH_THREADS
DB_CHARACTER_SYNCH_THREADS=$DB_CHARACTER_SYNCH_THREADS

# Services (images)
AC_AUTHSERVER_IMAGE=$DEFAULT_AC_AUTHSERVER_IMAGE
AC_WORLDSERVER_IMAGE=$DEFAULT_AC_WORLDSERVER_IMAGE
AC_AUTHSERVER_IMAGE_PLAYERBOTS=${AC_AUTHSERVER_IMAGE_PLAYERBOTS_VALUE}
AC_WORLDSERVER_IMAGE_PLAYERBOTS=${AC_WORLDSERVER_IMAGE_PLAYERBOTS_VALUE}
AC_AUTHSERVER_IMAGE_MODULES=${AC_AUTHSERVER_IMAGE_MODULES_VALUE}
AC_WORLDSERVER_IMAGE_MODULES=${AC_WORLDSERVER_IMAGE_MODULES_VALUE}

# Client data images
AC_CLIENT_DATA_IMAGE=$DEFAULT_AC_CLIENT_DATA_IMAGE
AC_CLIENT_DATA_IMAGE_PLAYERBOTS=$AC_CLIENT_DATA_IMAGE_PLAYERBOTS_VALUE
CLIENT_DATA_CACHE_PATH=$DEFAULT_CLIENT_DATA_CACHE_PATH
CLIENT_DATA_PATH=$CLIENT_DATA_PATH

# Build artifacts
DOCKER_IMAGE_TAG=$DEFAULT_DOCKER_IMAGE_TAG
AC_AUTHSERVER_IMAGE_BASE=$DEFAULT_AUTHSERVER_IMAGE_BASE
AC_WORLDSERVER_IMAGE_BASE=$DEFAULT_WORLDSERVER_IMAGE_BASE
AC_DB_IMPORT_IMAGE_BASE=$DEFAULT_DB_IMPORT_IMAGE_BASE
AC_CLIENT_DATA_IMAGE_BASE=$DEFAULT_CLIENT_DATA_IMAGE_BASE

# Container user
CONTAINER_USER=$CONTAINER_USER

# Containers
CONTAINER_MYSQL=$DEFAULT_CONTAINER_MYSQL
CONTAINER_DB_IMPORT=$DEFAULT_CONTAINER_DB_IMPORT
CONTAINER_DB_INIT=$DEFAULT_CONTAINER_DB_INIT
CONTAINER_DB_GUARD=$(get_template_value "CONTAINER_DB_GUARD")
CONTAINER_BACKUP=$DEFAULT_CONTAINER_BACKUP
CONTAINER_MODULES=$DEFAULT_CONTAINER_MODULES
CONTAINER_POST_INSTALL=$DEFAULT_CONTAINER_POST_INSTALL

# Database Guard Defaults
DB_GUARD_RECHECK_SECONDS=$(get_template_value "DB_GUARD_RECHECK_SECONDS")
DB_GUARD_RETRY_SECONDS=$(get_template_value "DB_GUARD_RETRY_SECONDS")
DB_GUARD_WAIT_ATTEMPTS=$(get_template_value "DB_GUARD_WAIT_ATTEMPTS")
DB_GUARD_HEALTH_MAX_AGE=$(get_template_value "DB_GUARD_HEALTH_MAX_AGE")
DB_GUARD_HEALTHCHECK_INTERVAL=$(get_template_value "DB_GUARD_HEALTHCHECK_INTERVAL")
DB_GUARD_HEALTHCHECK_TIMEOUT=$(get_template_value "DB_GUARD_HEALTHCHECK_TIMEOUT")
DB_GUARD_HEALTHCHECK_RETRIES=$(get_template_value "DB_GUARD_HEALTHCHECK_RETRIES")
DB_GUARD_VERIFY_INTERVAL_SECONDS=$(get_template_value "DB_GUARD_VERIFY_INTERVAL_SECONDS")

# Module SQL staging
STAGE_PATH_MODULE_SQL=$(get_template_value "STAGE_PATH_MODULE_SQL")

# Modules rebuild source path
MODULES_REBUILD_SOURCE_PATH=$MODULES_REBUILD_SOURCE_PATH

# SQL Source Overlay
SOURCE_DIR=$(get_template_value "SOURCE_DIR")
AC_SQL_SOURCE_PATH=$(get_template_value "AC_SQL_SOURCE_PATH")

# Ports
AUTH_EXTERNAL_PORT=$AUTH_EXTERNAL_PORT
AUTH_PORT=$DEFAULT_AUTH_INTERNAL_PORT
WORLD_EXTERNAL_PORT=$REALM_PORT
WORLD_PORT=$DEFAULT_WORLD_INTERNAL_PORT
SOAP_EXTERNAL_PORT=$SOAP_EXTERNAL_PORT
SOAP_PORT=$DEFAULT_SOAP_INTERNAL_PORT

# Realm
SERVER_ADDRESS=$SERVER_ADDRESS
REALM_PORT=$REALM_PORT

# Backups
BACKUP_RETENTION_DAYS=$BACKUP_RETENTION_DAYS
BACKUP_RETENTION_HOURS=$BACKUP_RETENTION_HOURS
BACKUP_DAILY_TIME=$BACKUP_DAILY_TIME
BACKUP_INTERVAL_MINUTES=$(get_template_value "BACKUP_INTERVAL_MINUTES")
BACKUP_EXTRA_DATABASES=$(get_template_value "BACKUP_EXTRA_DATABASES")
BACKUP_HEALTHCHECK_MAX_MINUTES=$BACKUP_HEALTHCHECK_MAX_MINUTES
BACKUP_HEALTHCHECK_GRACE_SECONDS=$BACKUP_HEALTHCHECK_GRACE_SECONDS

EOF
    echo
    echo "# Modules"
    for module_key in "${MODULE_KEYS[@]}"; do
      local module_value="${!module_key:-0}"
      # Only write enabled modules (value=1) to .env
      if [ "$module_value" = "1" ]; then
        printf "%s=%s\n" "$module_key" "$module_value"
      fi
    done
    cat <<EOF

# Client data
CLIENT_DATA_VERSION=${CLIENT_DATA_VERSION:-$DEFAULT_CLIENT_DATA_VERSION}

# Server configuration
SERVER_CONFIG_PRESET=$SERVER_CONFIG_PRESET

# Playerbot runtime
PLAYERBOT_ENABLED=$PLAYERBOT_ENABLED
PLAYERBOT_MIN_BOTS=$PLAYERBOT_MIN_BOTS
PLAYERBOT_MAX_BOTS=$PLAYERBOT_MAX_BOTS
STACK_IMAGE_MODE=$STACK_IMAGE_MODE
STACK_SOURCE_VARIANT=$STACK_SOURCE_VARIANT
MODULES_ENABLED_LIST=$MODULES_ENABLED_LIST
MODULES_CPP_LIST=$MODULES_CPP_LIST
MODULES_REQUIRES_CUSTOM_BUILD=$MODULES_REQUIRES_CUSTOM_BUILD
MODULES_REQUIRES_PLAYERBOT_SOURCE=$MODULES_REQUIRES_PLAYERBOT_SOURCE

  # Eluna
  AC_ELUNA_ENABLED=$DEFAULT_ELUNA_ENABLED
AC_ELUNA_TRACE_BACK=$DEFAULT_ELUNA_TRACE_BACK
AC_ELUNA_AUTO_RELOAD=$DEFAULT_ELUNA_AUTO_RELOAD
AC_ELUNA_BYTECODE_CACHE=$DEFAULT_ELUNA_BYTECODE_CACHE
AC_ELUNA_SCRIPT_PATH=$DEFAULT_ELUNA_SCRIPT_PATH
AC_ELUNA_REQUIRE_PATHS=$DEFAULT_ELUNA_REQUIRE_PATHS
AC_ELUNA_REQUIRE_CPATHS=$DEFAULT_ELUNA_REQUIRE_CPATHS
AC_ELUNA_AUTO_RELOAD_INTERVAL=$DEFAULT_ELUNA_AUTO_RELOAD_INTERVAL

# Tools
PMA_HOST=$DEFAULT_CONTAINER_MYSQL
PMA_PORT=$DEFAULT_MYSQL_INTERNAL_PORT
PMA_USER=$DEFAULT_PMA_USER
PMA_EXTERNAL_PORT=$DEFAULT_PMA_EXTERNAL_PORT
PMA_ARBITRARY=$DEFAULT_PMA_ARBITRARY
PMA_ABSOLUTE_URI=$DEFAULT_PMA_ABSOLUTE_URI
PMA_UPLOAD_LIMIT=$DEFAULT_PMA_UPLOAD_LIMIT
PMA_MEMORY_LIMIT=$DEFAULT_PMA_MEMORY_LIMIT
PMA_MAX_EXECUTION_TIME=$DEFAULT_PMA_MAX_EXECUTION_TIME
KEIRA3_EXTERNAL_PORT=$DEFAULT_KEIRA3_EXTERNAL_PORT
KEIRA_DATABASE_HOST=$DEFAULT_CONTAINER_MYSQL
KEIRA_DATABASE_PORT=$DEFAULT_MYSQL_INTERNAL_PORT

# Health checks
EOF
    for hc_key in "${HEALTHCHECK_KEYS[@]}"; do
      printf "%s=%s\n" "$hc_key" "${!hc_key}"
    done
    cat <<EOF

# Networking
NETWORK_NAME=$DEFAULT_NETWORK_NAME
NETWORK_SUBNET=$DEFAULT_NETWORK_SUBNET
NETWORK_GATEWAY=$DEFAULT_NETWORK_GATEWAY

# Storage helpers
HOST_ZONEINFO_PATH=${HOST_ZONEINFO_PATH:-$DEFAULT_HOST_ZONEINFO_PATH}

# Helper images
ALPINE_GIT_IMAGE=$DEFAULT_ALPINE_GIT_IMAGE
ALPINE_IMAGE=$DEFAULT_ALPINE_IMAGE
EOF
  } > "$ENV_OUT"

  local staging_modules_dir="${LOCAL_STORAGE_ROOT_ABS}/modules"
  mkdir -p "$staging_modules_dir"

  local module_state_string=""
  for module_state_var in "${MODULE_KEYS[@]}"; do
    local module_value="${!module_state_var:-0}"
    module_state_string+="${module_state_var}=${module_value}|"
  done
  printf '%s' "$module_state_string" > "${staging_modules_dir}/.modules_state"
  if [ "$NEEDS_CXX_REBUILD" != "1" ]; then
    rm -f "${staging_modules_dir}/.requires_rebuild" 2>/dev/null || true
  fi

  say SUCCESS ".env written to $ENV_OUT"
}