CHANGE_AUTHOR_EMAIL和CHANGE_ID环境变量返回"No such property:..."

Question

鉴于以下管道:

stages {
    stage ("Checkout SCM") {
        steps {
            checkout scm

            sh "echo ${CHANGE_AUTHOR_EMAIL}"
            sh "echo ${CHANGE_ID}"
        }
    }
}

为什么这些变量无法解决并提供值？

最终我想使用这些环境变量发送电子邮件并合并拉取请求:

post {
    failure {
        emailext (
        attachLog: true,
        subject: '[Jenkins] $PROJECT_NAME :: Build #$BUILD_NUMBER :: build failure',
        to: '$CHANGE_AUTHOR_EMAIL',
        replyTo: 'iadar@...',
        body: '''<p>You are receiving this email because your pull request was involved in a failed build. Check the attached log file, or the console output at: $BUILD_URL to view the build results.</p>'''
     )
    }
}

和

sh "curl -X PUT -d '{\'commit_title\': \'Merge pull request\'}'  <git url>/pulls/${CHANGE_ID}/merge?access_token=<token>"

奇怪的是,$PROJECT_NAME,$BUILD_NUMBER,$BUILD_URL做的工作......

---

更新:这可能是一个开放的错误... https://issues.jenkins-ci.org/browse/JENKINS-40486 :-(
是否有任何解决方法来获取这些值？

Answer 1

您需要注意如何引用环境变量,具体取决于它是shell还是Groovy代码,以及引用方式.

当你这样做时sh "echo ${CHANGE_ID}",实际发生的是Groovy将首先插入字符串,替换${CHANGE_ID}为Groovy属性CHANGE_ID,这就是你的错误消息来自的地方.在Groovy中,环境变量被包含在内env.

如果要直接从shell脚本引用环境变量,则必须使用env进行插值,使用单引号或转义美元符号.以下所有都应该有效:

sh 'echo $CHANGE_ID'
sh "echo \$CHANGE_ID"
sh "echo ${env.CHANGE_ID}"