stage('install:ci') {
    def tag = sh(returnStdout: true, script: "git tag --contains").trim()
    def branchName = sh(returnStdout: true, script: "git rev-parse --abbrev-ref HEAD").trim()
    def lastLog = sh(returnStdout: true, script: "git log -1").trim()
    if (tag) {
      currentBuild.displayName = "#${BUILD_NUMBER}, tag ${tag}"
    } else {
      currentBuild.displayName = "#${BUILD_NUMBER}, branch ${branchName}"
    }

    if (CD_DIR) {
      sh "cd ${CD_DIR}";
    }

    currentBuild.description = "#${BUILD_NUMBER}, branch ${branchName}, tag ${tag ? tag : 'no tag'}\n\n${lastLog}"
    echo 'starting installing'
    sh CD_DIR ? "cd ${CD_DIR} && pwd" : "pwd"
    sh 'npm ci'
}