node(label) {
  try {
    notifySlack()
    def myRepo = checkout scm
    def gitCommit = myRepo.GIT_COMMIT
    def gitBranch = myRepo.GIT_BRANCH

    stage("hello windows") {
      bat "dir /a"
      container(name:'windows-1809') {
          println "really want to do a dir here..."
          bat "dir /w"
          bat "set"
      }
    }
  } catch (e) {
    currentBuild.result = 'FAILURE'
    throw e
  }
  finally {
    notifySlack(currentBuild.result)
    stage("cleanup") {
      print "all done!"
    }
  }
}