Github multibranch checkout

node('master') {
    stage name:"Checkout", concurrency:1
    checkout scm
    sh """set -x
          git submodule foreach "git reset --hard || true" || true
          git reset --hard || true
          git submodule update --init || true
       """

    stash includes: '**, .git/', excludes: 'ws/**', name: 'source', useDefaultExcludes: false

    sh "env"

    wspwd = pwd()
}