Update 'DebIMG.jenkinsfile'

DebIMG.jenkinsfile

@@ -1,10 +1,12 @@
-String[] ImgVariantList = ['minmal', 'default', 'jenkinsbuilder', 'imgbuilder', 'jenkins' ]
+String[] ImgVariantList = ['minimal', 'default', 'jenkinsbuilder', 'imgbuilder', 'jenkins' ]
 
 pipeline {
     agent { label 'LXCBuilder' }
     parameters {
         booleanParam description: 'Enable muticore support for ZX compression ', name: 'ZX_Multicore'
         string defaultValue: '0', description: 'Set amount of core\'s ZX is allowed when compressing (use 0 for all cores)', name: 'ZX_Cores'
+        booleanParam description: 'Only build specified variant', name: 'OneRun'
+        string defaultValue: 'VariantName', description: 'Variant for OneBuild', name: 'OneRunVariant'
     }
     options {
         skipDefaultCheckout()
@@ -28,6 +30,13 @@ pipeline {
         stage('Image Configs'){
             steps{
                 script{
+                                        
+					//Set Variantlist to one if single build if requested
+                    if (env.OneRun == 'true') {
+                        ImgVariantList = [env.OneRunVariant]
+                    }
+                    
+					//Run build for requested variants
                     for(ImgVariant in ImgVariantList){
                         env.ZX_Multicore = ZX_Multicore
                         env.ZX_Cores = ZX_Cores