如何仅发布 Azure DevOps 中已更改的工件？

Answer 1

没有直接的方法可以做到这一点。

我唯一能想到的是，您可以编写一个脚本来调用build 或pipeline run REST API 来检索先前构建或管道运行的源版本，然后将源版本与当前构建/管道运行进行比较（使用predefined variable Build.SourceVersion 用于当前构建）检查它们是否是相同的源版本（相同的commit 用于Git 或changeset 用于TFVC）。

如果它与之前的构建/管道运行具有相同的源版本，则使当前构建/管道失败，从而停止 CI/CD 进程。否则，构建工件并部署到您的环境。

更新：

以下 Yaml 供您参考：（添加 PowerShell 任务作为管道中的第一个任务，以运行脚本以比较当前源版本与最后成功构建的源版本。）

steps:
- task: PowerShell@2
  displayName: Compare the source versions to fail or pass the CI build process
  inputs:
    targetType: 'inline'
    script: |
      # Get the last succeeded build source version
      $url = "$($env:SYSTEM_TEAMFOUNDATIONCOLLECTIONURI)$env:SYSTEM_TEAMPROJECTID/_apis/build/builds?definitions=$env:SYSTEM_DEFINITIONID&resultFilter=succeeded&statusFilter=completed&api-version=6.0"
      $lastbuild = (Invoke-RestMethod -Uri $url -Headers @{Authorization = "Bearer $(system.accesstoken)"}).value | Select-Object -First 1
      $pervioussourceversion = $lastbuild.sourceVersion
      Write-Host "The last successful build source version:$pervioussourceversion"
      
      # Current build source version
      $currentsourceversion = "$(Build.SourceVersion)"
      Write-Host "Current build source version            :$currentsourceversion"
      
      # Compare the source versions to fail or pass the CI build process
      if($currentsourceversion -eq $pervioussourceversion) {
          # make pipeline to fail
          Write-Host "Current source version:$currentsourceversion is the same as the last successful build:$(Build.BuildId), fail this step to stop current build pipeline."
          exit 1
      }
      else {
          # make pipeline to succeed
          Write-Host "Current source version:$currentsourceversion is different from the last successful build:$(Build.BuildId) with source version:$pervioussourceversion."
          Write-Host "Continue the pipeline to build a new artifact to deploy."
          exit 0
      }
  env:
    SYSTEM_ACCESSTOKEN: $(system.accesstoken)
- task: PowerShell@2
  inputs:
    targetType: 'inline'
    script: |
      # Do something here.
      Write-Host "Add subsequent tasks to build your artifacts"
  condition: succeeded()

如果源版本与前一个版本相同，则工件管道失败：

如果触发了新版本，则继续 CI 构建过程：

更新2：PowerShell 脚本

# Get the last succeeded build source version
$url = "$($env:SYSTEM_TEAMFOUNDATIONCOLLECTIONURI)$env:SYSTEM_TEAMPROJECTID/_apis/build/builds?definitions=$env:SYSTEM_DEFINITIONID&resultFilter=succeeded&statusFilter=completed&api-version=6.0"
$lastbuild = (Invoke-RestMethod -Uri $url -Headers @{Authorization = "Bearer $(system.accesstoken)"}).value | Select-Object -First 1
$pervioussourceversion = $lastbuild.sourceVersion
Write-Host "The last successful build source version:$pervioussourceversion"
      
# Current build source version
$currentsourceversion = "$(Build.SourceVersion)"
Write-Host "Current build source version------------:$currentsourceversion"
      
# Compare the source versions to fail or pass the CI build process
if($currentsourceversion -eq $pervioussourceversion) {
   # make pipeline to fail
   Write-Host "Current source version:$currentsourceversion is the same as the last successful build:$(Build.BuildId), fail this step to stop current build pipeline."
   exit 1
}
else {
   # make pipeline to succeed
   Write-Host "Current source version:$currentsourceversion is different from the last successful build:$(Build.BuildId) with source version:$pervioussourceversion."
   Write-Host "Continue the pipeline to build a new artifact to deploy."
   exit 0
}