Migrate Subversion crendentials

gistfile1.groovy

import com.cloudbees.plugins.credentials.*
import com.cloudbees.plugins.credentials.domains.*
import com.cloudbees.plugins.credentials.common.*;
import hudson.security.ACL
import hudson.scm.SubversionSCM
  
def jenkins = Jenkins.instance

jenkins.allItems.each { job -> 
   def scm = job.scm;
   boolean found = false;
   if (scm instanceof hudson.scm.SubversionSCM) {
     def modules = scm.locations.collect { module -> 
       def credentials = CredentialsProvider.lookupCredentials(
                        StandardUsernamePasswordCredentials.class,
                        job.parent,
                        ACL.SYSTEM,
                        URIRequirementBuilder.fromUri(module.remote).build())
       if (credentials.size() == 1) {
         def id = credentials.get(0).id
         println "credentials for $job.name / $module.remote is $id"
         found = true;
         module = module.withCredentialsId(id)         
       }
       return module
     }
     
     if (found) {
       scm = new SubversionSCM(modules, scm.workspaceUpdater, scm.browser, scm.excludedRegions, scm.excludedUsers,
                           scm.excludedRevprop, scm.excludedCommitMessages, scm.includedRegions, scm.ignoreDirPropChanges,
                           scm.filterChangelog, scm.additionalCredentials)
       job.setScm(scm)
     }
     
     println modules.credentialsId
   }
}

""