這是我原先的.gitlab-ci.yml

stages:
  - build
  - deploy
  - notify

build:
  stage: build
  script:
    - echo "Compiling the code..."

deploy:
  stage: deploy
  needs:
    - build
  script:
    - echo "Deploying application..."
  when: manual

deploy-success:
  stage: notify
  needs: ["deploy"]
  script:
    - echo "is ok"

deploy-fail:
  stage: notify
  needs: ["deploy"]
  script:
    - echo "so bad"
  when: on_failure

先build 後續需要人工觸發deploy
最後的 notify 取決於deploy成功與否印出不同訊息
整體流程如下圖

這邊有收到一個新需求 如果commit title 有包含'[auto]' 字樣
就讓他自動觸發 deploy
於是.gitlab-ci.yml 改成這樣

stages:
  - build
  - deploy
  - notify

build:
  stage: build
  script:
    - echo "Compiling the code..."

deploy:
  stage: deploy
  rules:
    - if: '$CI_COMMIT_TITLE =~ /\[auto\]/'
    - if: '$CI_COMMIT_TITLE !~ /\[auto\]/'
      when: manual
  needs:
    - build
  script:
    - echo "Deploying application..."

deploy-success:
  stage: notify
  needs: ["deploy"]
  script:
    - echo "is ok"

deploy-fail:
  stage: notify
  needs: ["deploy"]
  script:
    - echo "so bad"
  when: on_failure

我預期如果 commit title 不包含'[auto]'
他的流程應該會跟沒有改的時候一樣

但流程圖卻變成了這樣

notify的兩個job 狀態從原先的skipped 變成 created

想請教各位大神 為什麼使用 rules 添加 when
會出現這種不同的結果