Task to write build result to GitHub comment

[datapythonista]

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Question, Bug, or Feature?
Type: Feature

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list here (V# not needed):
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Environment

• Server - Azure Pipelines or TFS on-premises?

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  • If using Azure Pipelines, provide the account name, team project name, build definition name/build number: pandas-dev/pandas

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Issue Description

Once a PR is open, and after the CI runs, it would be nice to be able to post the result of the builds as a GitHub comment.

See for example here, how the GitHub application pep8speaks posts a comment with the result of their validations: pandas-dev/pandas#26894

Couldn't find a task for that, and it's not possible to write a custom script, since accessing the GitHub API directly would require an authentication token (PR builds can't access secret variables, so we can't store the token).

Is it possible to do this? Can it be implemented as a task?

[tarrenj]

I'm currently trying to achieve this via a combination of DevOps pipelines and GitHub Actions. The downside is that the same build has to be run twice; GitHub Actions is currently free, so it's not an issue, but it may be in the future.

I haven't had any success yet, but I'll update here if I do.

Edit:
I haven't been able to get this approved by my admin, but you might have better luck: https://marketplace.visualstudio.com/items?itemName=SOUTHWORKS.github-pr-comment&ssr=false#overview

[thesattiraju]

You could use this task: https://github.com/microsoft/azure-pipelines-tasks/tree/master/Tasks/GitHubCommentV0

[datapythonista]

You could use this task: https://github.com/microsoft/azure-pipelines-tasks/tree/master/Tasks/GitHubCommentV0

That task doesn't have documentation, so it's difficult to tell for sure. But the task is to write a github comment, and that's not the main issue, the main issue is to access the results of all the jobs in the build.

[thesattiraju]

The task takes the contents as an input. You could draft the contents of the jobs using output variables, in most of the cases I presume.

[mloskot]

Here it seems to be documented
https://learn.microsoft.com/en-us/azure/devops/pipelines/tasks/reference/github-comment-v0

AFAIU, that task is available via Azure DevOps UI, see https://stackoverflow.com/a/66810491/151641