fix passing default params to Central Build stage steps (#5199)

* duplicate config for Build name leave go changes only

pkg/config/config.go

@@ -72,9 +72,9 @@ func (c *Config) ApplyAliasConfig(parameters []StepParameters, secrets []StepSec
 		if c.Steps[stepName] != nil {
 			c.Steps[stepName] = setParamValueFromAlias(stepName, c.Steps[stepName], filters.Steps, p.Name, p.Aliases)
 		}
+		//copy stage configuration with Build name
 		if centralBuild, ok := c.Stages["Central Build"]; ok {
 			c.Stages["Build"] = centralBuild
-			delete(c.Stages, "Central Build")
 		}
 	}
 	for _, s := range secrets {
@@ -85,9 +85,9 @@ func (c *Config) ApplyAliasConfig(parameters []StepParameters, secrets []StepSec
 		if c.Steps[stepName] != nil {
 			c.Steps[stepName] = setParamValueFromAlias(stepName, c.Steps[stepName], filters.Steps, s.Name, s.Aliases)
 		}
+		//copy stage secrets configuration with Build name
 		if centralBuild, ok := c.Stages["Central Build"]; ok {
 			c.Stages["Build"] = centralBuild
-			delete(c.Stages, "Central Build")
 		}
 	}
 }
@@ -193,9 +193,6 @@ func (c *Config) GetStepConfig(flagValues map[string]interface{}, paramJSON stri
 	}
 
 	c.ApplyAliasConfig(parameters, secrets, filters, stageName, stepName, stepAliases)
-	if stageName == "Central Build" {
-		stageName = "Build"
-	}
 
 	// initialize with defaults from step.yaml
 	stepConfig.mixInStepDefaults(parameters)

src/com/sap/piper/ConfigurationHelper.groovy

@@ -10,9 +10,6 @@ class ConfigurationHelper implements Serializable {
     }
 
     ConfigurationHelper loadStepDefaults(Map compatibleParameters = [:], String stageName = step.env.STAGE_NAME) {
-        if (stageName == 'Central Build'){
-            stageName = 'Build'
-        }
         DefaultValueCache.prepare(step)
         this.config = ConfigurationLoader.defaultGeneralConfiguration()
         mixin(ConfigurationLoader.defaultGeneralConfiguration(), null, compatibleParameters)

src/com/sap/piper/StageNameProvider.groovy

@@ -3,34 +3,22 @@ package com.sap.piper
 @Singleton
 class StageNameProvider implements Serializable {
     static final long serialVersionUID = 1L
-    static final String CENTRAL_BUILD = "Central Build";
-    static final String BUILD = "Build";
 
     /** Stores a feature toggle for defaulting to technical names in stages */
     boolean useTechnicalStageNames = false
 
     String getStageName(Script script, Map parameters, Script step) {
         String stageName = null
         if (parameters.stageName in CharSequence) {
-            stageName = parameters.stageName
-            stageName = replaceCentralBuild(stageName);
-            return stageName
+            return parameters.stageName
         }
         if (this.useTechnicalStageNames) {
             String technicalStageName = getTechnicalStageName(step)
             if (technicalStageName) {
                 return technicalStageName
             }
         }
-        if (stageName == null) {
-            stageName = script.env.STAGE_NAME
-            stageName = replaceCentralBuild(stageName);
-        }
-        return stageName
-    }
-
-    private String replaceCentralBuild(String stageName) {
-        return CENTRAL_BUILD.equals(stageName) ? BUILD : stageName;
+        return script.env.STAGE_NAME
     }
 
     static String getTechnicalStageName(Script step) {

vars/commonPipelineEnvironment.groovy

@@ -192,9 +192,6 @@ class commonPipelineEnvironment implements Serializable {
 
     Map getStepConfiguration(stepName, stageName = env.STAGE_NAME, includeDefaults = true) {
         Map defaults = [:]
-        if (stageName == 'Central Build') {
-                stageName = 'Build'
-        }
         if (includeDefaults) {
             defaults = ConfigurationLoader.defaultGeneralConfiguration()
             defaults = ConfigurationMerger.merge(ConfigurationLoader.defaultStepConfiguration(null, stepName), null, defaults)