Unbundle stories for Copado USB. This code script can be run in the developer console to easily cancel the bundle for a specific bundle

UnbundleStories.cls

Id bundleStoryId = 'BUNDLE_STORY_ID';
//Get all the stories that are part of the bundle. 
List<copado__User_Story__c> bundledStories = [SELECT Id, copado__Stop_Indexing_Metadata__c, copado__Exclude_From_CBM__c, Bundle_User_Story__c 
                                              FROM copado__User_Story__c 
                                              WHERE Is_Bundle__c = FALSE 
                                              AND Bundle_User_Story__c = :bundleStoryId];

if(bundledStories.isEmpty()){
  //Nothing to do, let's return
  return;
}

//Update fields to unbundle the stories
for(copado__User_Story__c cus : bundledStories){
    cus.Bundle_User_Story__c = null;
    cus.copado__Stop_Indexing_Metadata__c = false;
    cus.copado__Exclude_From_CBM__c = false;
}

update bundledStories;

//Update parent bundle status to cancelled
copado__User_Story__c bundle = [SELECT Id, copado__Status__c, copado__Cancellation_Reason__c 
                                      FROM copado__User_Story__c 
                                      WHERE Is_Bundle__c = TRUE 
                                      AND Id = :bundleStoryId];
bundle.copado__Status__c = 'Cancelled';
bundle.copado__Cancellation_Reason__c = 'Cancelled bundle';
update bundle;