Question 205242 in Azure Question posted in
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Pull request build from Azure in Jenkins?

We are migrating our gitlab projects to AzureDevOps.
Currently, our projects in gitlab are configured with a webhook, which triggers a jenkins build on every commmit.
The jenkins build pipeline is written in groovy, and has a different flow when it comes to merge requests. We make use of the branch name in the following manner: ( if (env.BRANCH_NAME ==~ /MR-.*/) { do some checks }

In our first step of migration, we plan to move away from gitlab to azure git. The commits to azure repos should still trigger the jenkins.
I am not having an idea as to how to deal with merge requests. Currently, I see that there is no branch created while creating a PR in azure. As a result I cannot make use of ( if (env.BRANCH_NAME ==~ /PR-.*/) { do some checks } Any suggestions to work around this?

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Answers


  1. 0

    It’s been a long time since I used Jenkins in anger so I can’t remember what environment variables are available. However the branch name for a pull request will be merge

    The full "path" to the branch will look something like refs/pull/123/merge where 123 is the pull request number.

    Note that this information comes from the Azure Pipeline docs so YMMV in Jenkins (look for Build.SourceBranch)

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  2. 0

    Looking at our own builds (we use Azure DevOps Pipelines), pull request branches look like:

    • [new branch] feature/80536-*** -> origin/feature/80536-***
    • [new ref] refs/pull/15000/merge -> pull/15000/merge

    Notice the refs/pull/{PR-ID}/merge pattern.

    Also, for the webhook trigger, you probably would need to utilize the "Pull request merge attempted" event:

    Jenkins Service Hook

    Hope it helps,

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