Merge pull request #1066 from nf-core/fix_strict_syntax_BI

FIX: Strict syntax for bi.config

Author: apeltzer

conf/bi.config

@@ -7,11 +7,9 @@ params {
     config_profile_description = 'Boehringer Ingelheim internal profile provided by nf-core/configs.'
     config_profile_contact = 'Alexander Peltzer (@apeltzer)'
     config_profile_url = 'https://www.boehringer-ingelheim.com/'
+    bi_globalConfig = System.getenv('NXF_GLOBAL_CONFIG') ?:
+        System.err.println("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.")
 }
 
-params.bi_globalConfig = System.getenv('NXF_GLOBAL_CONFIG')
-if (params.bi_globalConfig == null) {
-    System.err.println("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.")
-} else {
-    includeConfig params.bi_globalConfig
-}
+// Include the global config if set
+includeConfig(params.bi_globalConfig ?: '/dev/null')