resolve #162 bug

conf/bi.config

@@ -3,16 +3,18 @@ params{
   config_profile_contact = 'Alexander Peltzer (@apeltzer)'
   config_profile_url = 'https://www.boehringer-ingelheim.com/'
 }
-params.globalConfig = determine_global_config()
 
-includeConfig params.globalConfig
+params.globalConfig = set_global_config()
 
-def determine_global_config() {
+
-    if( System.getenv('NXF_GLOBAL_CONFIG') == null)
+def set_global_config() {
-    {
+  def config = System.getenv('NXF_GLOBAL_CONFIG')
-        def errorMessage = "ERROR: Environment variable NXF_GLOBAL_CONFIG is missing. Set it to point to global.config file."
+  if(config  == null)
-        System.err.println(errorMessage)
+  {
-        throw new Exception(errorMessage)
+      def errorMessage = "WARNING: For bi.config requires NXF_GLOBAL_CONFIG env var to be set. Point it to global.config file if you want to use this profile."
-    }
+      System.err.println(errorMessage)
-    return System.getenv('NXF_GLOBAL_CONFIG')   
+  }else{
+    includeConfig config
+  }
+  return config
 }