title: Duplicate changelogs in jenkins pipeline script
body: <p>I am working on how to use the new Jenkins Pipeline Plugin with the <code>Jenkinsfile</code> in the scm of the project (we use GIT).</p>
  
  <p>The job script is loaded from the SCM ('Pipeline script from SCM' option)
  and in the <code>Jenkinsfile</code> script I do a <code>checkout scm</code>.</p>
  
  <p>The problem is that the commits are duplicated. In the build directory, there is 2 <code>changelog.xml</code> with the same commits and so the changes view can be very messy :</p>
  
  <pre><code>Summary
  
  1. FNC71010 - Ajout des traductions au launcher (details)
  Commit 5a676ee1448b72f1b99227e8832b01081aa1bc6d by thierry
  The file was modified   Deploy_serveur/resources/config/trad.properties
  
  Summary
  
  1.FNC71010 - Ajout des traductions au launcher (details)
  Commit 5a676ee1448b72f1b99227e8832b01081aa1bc6d by thierry
  The file was modified   Deploy_serveur/resources/config/trad.properties
  </code></pre>
  
  <p>The problem occurs also with in the multibranch pipeline.</p>
  
  <p>Here is the <code>Jenkinsfile</code> content :
  </p>
  
  <pre><code>#!groovy
  
  node {
      stage 'initialisation'
      def repertoire = "directory"
  
      def pipeline
      dir(repertoire) {
          checkout scm
          pipeline = load 'pipeline.groovy'
      }
      pipeline.initialisation(repertoire)
      pipeline.build()
      pipeline.runTestsRapides()
      pipeline.copieResultats()
  }
  </code></pre>
  
  <p>Am I doing something wrong ?</p>
  
  <p>Jenkins version : 1.642.2 (docker)
  Pipeline version : 1.15
  Git plugin : 2.4.3</p>