![]() In this example, we assume the old default branch was master and the new one is main. When mirroring isn't needed anymore, be sure to remove this permission.Īdd a new file, mirror.yml to your repository in the new default branch. This permission is a security risk since a malicious user could craft a pipeline to sneak code into a repository in your project. If the new default branch has branch policies, also grant the build identity the Bypass policies when pushing permission. Make sure the Contribute permission says Allow. There may be up to two identities, one for the project collection build service and the other for the project build service. Navigate to Project Settings > Repositories > (your repo) > Permissions. Grant the build identity Contribute permission to your repo. Someone will have to manually merge the old default branch into the new default branch to get it running automatically again.įor all existing CI builds, update them to trigger against your new default branch instead of the old one. ![]() If the old and new default branches are both updated before this pipeline runs, then the pipeline won't be able to mirror the changes. We'll use Azure Pipelines to set up this temporary mirroring. This way, if your end users continue pushing to the old default, they won't need to redo the work on their end. However, for a while, you can set up ad-hoc mirroring between your old default and your new default. Temporary mirroringĪ Git repository can only have one default branch. If a URL contains a querystring for version, for example &version=GBmybranchname, then that URL should be updated.įortunately, most links to the default branch won't have a version segment and can be left as-is.Īlso, once you delete the old default branch, attempts to navigate to it will be taken to the new default anyway. The branch name for a file or directory can appear in the URL. Some bookmarks, documents, and other non-code files that point to files in Azure Repos will need to be updated. New clones of the repository will get the new default branch.Īfter the switch, everyone with an existing clone should run git remote set-head origin -a (replacing origin with the name of their remote if it's something else) to update their view of the remote's default branch.įuture new branches should be based on the new default. Retarget each open pull request to the new default branch. YAML pipelines can be edited in their respective repositories. Update the CI triggers for all pipelines.ĭesigner pipelines can be edited in the web. You'll need to take these parts into account when you're planning a change. When you change to a different default branch, other parts of your workflow may be affected. Less common options include trunk and development.Ībsent any restrictions from the tools you use or team you're on, any valid branch name will work. The most popular alternative name is main. Previously, the default branch was almost always named master. Git 2.28 added the ability to choose an initial branch name.Īt the same time, Azure Repos, GitHub, and other Git hosting providers added the ability to choose a different initial branch name. There are other aspects you should consider before making this change. Once you've set the new default branch, you may delete the previous one if you want. next to the branch you want to set as default, then select Set as default branch. Your branches are displayed under your repo. Select the settings button in your project to open the project administration page.
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