pipeline {
  agent {
    kubernetes {
      yamlFile 'jenkins/podTemplate.yml'
    }
  }
  parameters {
    string(
      name: 'BRANCH',
      defaultValue: null,
      description: 'Enter the GIT branch or commit'
    )
  }

  stages {

    stage('Checkout') {
      options { timeout(time: 5, unit: 'MINUTES') }
      steps {
        checkout([
          $class: 'GitSCM',
          branches: [[name: '${BRANCH}']],
          doGenerateSubmoduleConfigurations: false,
          extensions: [
            cloneOption(
              noTags: true,
              reference: '',
              shallow: false
            )
          ],
          userRemoteConfigs: [[
            credentialsId: 'foo',
            url: 'bar'
          ]]
        ])
      }
    }
  }
}