VSTS-有没有一种方法可以仅在特定任务失败时才运行任务? [英] VSTS - Is there a way to only run a task if a specific task has failed?

问题描述

我需要在我的构建定义中运行一个发布任务，但前提是某个任务失败之前.如果其他任务通过了，我希望忽略它并且不运行.

I need to run a publish task in my build definition but only if a certain task before it has failed. If the other task passes I want this to be ignored and not run.

有没有办法做到这一点?

Is there a way of doing this?

我希望我可以根据任务成功设置输出变量，然后在失败的情况下在自定义条件下使用该变量来运行任务.

I was hoping that I could set an output variable based on the task success and then use that variable in a custom condition to run the task if it's failed.

如果任务失败，我看不到如何设置输出变量.这可能吗?

I can't see how to set an output variable if the task fails. Is this possible?

推荐答案

• 在任务"设置中，展开控制选项"
• 选择运行此任务"-Only when a previous task has failed.
• In the Task settings expand the "Control Options"
• Choose in "Run this task" - Only when a previous task has failed.

如果仅在上一个/特定任务失败时才运行任务:

假设您的特定任务(就其状态而言，您检查过的任务)称为A.目标是仅在A失败的情况下才调用另一个构建任务(比如说B).

Suppose your specific task (the one you examine in regards to its status) is called A. The goal is to call another build task (let's say B) only in case A fails.

• 定义自定义生成变量，将其命名为task.A.status并设置为success
• 创建另一个构建任务，例如C并将其安排在A之后；使其仅在A失败的情况下才能运行-有一个标准条件
• 任务C应该只做一件事-将task.A.status构建变量设置为'failure'(如果正在使用PowerShell:Write-Host "##vso[task.setvariable variable=task.A.status]failure"，则将其设置为"failure")
• 最后，任务B被安排在C和
• Define a custom build variable, call it task.A.status and set to success
• Create another build task, e.g. C and schedule it right after A; condition it to only run if A fails - there's a standard condition for that
• The task C should only do one thing - set task.A.status build variable to 'failure' (like this, if we are talking PowerShell: Write-Host "##vso[task.setvariable variable=task.A.status]failure")
• Finally, the task B is scheduled sometime after C and is conditioned to run in case task.A.status equals failure, like this: eq(variables['task.A.status'], 'failure')

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