Jenkins声明性管道:文件更改或创建新分支时执行阶段 [英] Jenkins declarative pipeline: Execute stage when file has changed or a new branch was created

问题描述

仅当某些文件已更改时，我才喜欢在声明性管道中构建一个阶段.这可以通过以下管道来实现:

I like to build a stage in a declarative pipeline only when certain files have changed. This can be achieved by the following pipeline:

pipeline {
  agent any

  stages {
    stage('checkout') {
        steps {
            checkout scm
        }
    }
    stage('build & push container') {
      when {
            anyOf {
                changeset 'Dockerfile'
            }
      }
      steps {
        echo "Building..."
      }
    }
  }
}

当创建新分支时，由于第一次创建分支时，变更集在Jenkins中仍然为空，因此不会建立.

This does not build when a new branch is created as the changeset is still empty in Jenkins when a branch is built for the first time.

当某些文件更改或创建新分支时，如何定义构建stage的when条件?

How can I define a when condition that builds the stage either when a certain files changes or a new branch is created?

推荐答案

以下管道为我解决了问题:

The following pipeline did the trick for me:

pipeline {
  agent any

  stages {
    stage('checkout') {
        steps {
            checkout scm
        }
    }
    stage('build & push container') {
      when {
            anyOf {
                changeset 'Dockerfile'
                expression {
                  return currentBuild.number == 1
                }
            }
      }
      steps {
        echo "Building..."
      }
    }
  }
}

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