Test

vars/buildStep.groovy

@@ -4,18 +4,21 @@ import groovy.transform.Field
 
 @Field
 Map defaults = [
+    saveArtifaces: false,
     buildTest: 'Makefile',
     buildCmd: 'make all'
 ]
 
 def call(Map config = [:]) {
-    assert config.artifacts : 'must specify artifacts!'
     Map runConfig = defaults + config
+    if (runConfig.saveArtifacts) {
+        assert config.artifacts : 'Error: saveArtifacts is set to true; must specify artifacts!'
+    }
     if ( fileExists(runConfig.buildTest)) {
         sh """
             ${runConfig.buildCmd}
         """
     } else {
-        echo "Skipping buildStep since ${runConfig.buildTest} does not exist in workspace."
+        error("ERROR: File ${runConfig.buildTest} does not exist in workspace.")
     }
 }