分支流水线定义与执行优先级问题求助

看起来你遇到了分支流水线规则匹配优先级的核心问题——当同一个分支能匹配多条流水线规则时，系统只会执行从上到下找到的第一条匹配规则，后面的规则会直接被忽略，这就是你单独定义的dev和rev分支步骤完全没执行的原因，哪怕加了if条件也没用，因为那些规则根本没被触发。

先帮你拆解下当前配置的问题：你先写了'{dev,rev}'这个分组分支规则，它会同时匹配dev和rev分支，一旦匹配成功，就会执行下面的build-test和Lint步骤，而后面单独写的dev:和rev:规则因为排在分组规则之后，永远不会被触发。

下面给你两种实用的解决思路，你可以根据自己的需求选择：

方法1：调整规则顺序，拆分分支专属流水线 #

如果dev和rev分支的执行步骤差异较大，建议把具体分支的规则放在分组规则前面，确保先匹配到专属规则，同时把该分支需要的所有步骤都整合进去：

definitions:
  steps:
    - step: &build-test
        name: 'Build and test'
        script:
          - echo "Your build and test goes here..."
    - step: &Lint
        name: 'Lint'
        script:
          - echo "Your linting goes here..."
    - step: &Securityscan
        name: 'Security scan'
        script:
          - echo "Your security scan goes here..."
    - step: &Deploy-step
        name: 'Deploy-step'
        deployment: staging
        script:
          - echo "your deployment"

pipelines:
  branches:
    dev:                          # 先匹配dev分支，执行全量步骤
      - step: *build-test
      - step: *Lint
      - step: *Securityscan
    rev:                          # 再匹配rev分支，执行专属步骤
      - step: *build-test
      - step: *Lint
      - step: *Deploy-step
      name: "Deploying to prod"
    # 若有其他需要执行基础步骤的分支，可保留此分组规则
    # '{feature/*,hotfix/*}':
    #   - step: *build-test
    #   - step: *Lint

方法2：用条件判断复用基础步骤 #

如果dev和rev的基础步骤完全一致，只是额外步骤不同，推荐在分组规则里给专属步骤添加分支条件判断，避免重复代码：

definitions:
  steps:
    - step: &build-test
        name: 'Build and test'
        script:
          - echo "Your build and test goes here..."
    - step: &Lint
        name: 'Lint'
        script:
          - echo "Your linting goes here..."
    - step: &Securityscan
        name: 'Security scan'
        script:
          - echo "Your security scan goes here..."
        condition: $BITBUCKET_BRANCH = 'dev'
    - step: &Deploy-step
        name: 'Deploy-step'
        deployment: staging
        script:
          - echo "your deployment"
        condition: $BITBUCKET_BRANCH = 'rev'

pipelines:
  branches:
    '{dev,rev}':
      - step: *build-test
      - step: *Lint
      - step: *Securityscan
      - step: *Deploy-step
    rev:
      name: "Deploying to prod"

这样dev分支会自动跳过Deploy-step，rev分支会自动跳过Securityscan，完美实现分支差异化执行。

备注：内容来源于stack exchange，提问作者vigneshse88