bat pipeline with returnstdout=true echos command

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      We updated to Jenkins LTS 2.401.1 via dockerhub. Since that version all our pipeline builds broke because the bat pipeline step seems to also return the command call itself in the result which it did not before. Powershell works.

       

      See the following code to reproduce the problem

      stage('Test') {
  steps {
    script {
      def result = bat(label: '', returnStdout: true, script: 'echo echotestresponse')
      echo "output from bat: $result"
      def psResult = powershell(label: '', returnStdout: true, script: 'echo echotestresponse')
      echo "output from powershell: $psResult"
    }
  }
}

      Output is:

      17:17:18  [Pipeline] stage
17:17:18  [Pipeline] { (Test)
17:17:18  [Pipeline] script
17:17:18  [Pipeline] {
17:17:18  [Pipeline] bat
17:17:18  [Pipeline] echo
17:17:18  output from bat: 
17:17:18  jenkins@HMJENKINS4 d:\jenkins\workspace\MPA_jenkins-fixing>echo echotestresponse 
17:17:18  echotestresponse
17:17:18  
17:17:18  [Pipeline] powershell
17:17:19  [Pipeline] echo
17:17:19  output from powershell: echotestresponse
17:17:19  
17:17:19  [Pipeline] }
17:17:19  [Pipeline] // script
17:17:19  [Pipeline] }
17:17:19  [Pipeline] // stage

      Additionally there is also a new line character at start of the result now.

       

      A workaround seems to be to prefix any command with @ or @echo off explicitely.

            Assignee:
            Unassigned
            Reporter:
            Daniel
            Archiver:
            Jenkins Service Account

              Created:
              Updated:
              Resolved:
              Archived: