#!/bin/bash

set -e

file_env() {
   local var="$1"
   local fileVar="${var}_FILE"
   local def="${2:-}"

   if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
      echo >&2 "error: both $var and $fileVar are set (but are exclusive)"
      exit 1
   fi

   local val="$def"

   if [ "${!var:-}" ]; then
      val="${!var}"
   elif [ "${!fileVar:-}" ]; then
      val="$(< "${!fileVar}")"
   fi

   export "$var"="$val"
   unset "$fileVar"
}

{{ if eq (env "IG_ENABLED") "1" }}
file_env "IG_PASSWORD"
{{ end }}

# upstream CMD
# https://github.com/DIYgod/RSSHub/blob/f4e9f8dcaacc75e9f936545da58d4b7c2e27e5ab/Dockerfile#L182
npm run start "$@"