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how to get branch name in github actions

Mary-Kate Olsen

Oct 09, 2024 pm 04:29 PM

How to Get Branch Name in GitHub Actions?

Branch names in GitHub Actions can be retrieved using the github.ref context variable. This variable contains the full Git reference of the current workflow run, which includes the branch name.

To extract the branch name from the github.ref, you can use the following pattern:

<code>branchName = github.ref.split("/").pop()</code>

This pattern will split the Git reference into individual components, and the last component is the branch name.

What is the Best Method to Retrieve Branch Name in GitHub Actions?

The best method to retrieve the branch name in GitHub Actions depends on your specific requirements. If you need the branch name in the workflow file itself, you should use the github.ref context variable.

Alternatively, you can also use the gh GitHub CLI tool, which is pre-installed in GitHub Actions runners. To retrieve the branch name using gh, you can use the following command:

<code>gh branch --show-current</code>

Are There Any Alternative Ways to Obtain the Branch Name Within GitHub Actions?

Apart from the methods mentioned above, there are a few additional ways to obtain the branch name in GitHub Actions:

Using the actions/checkout action: The actions/checkout action can be used to check out the repository code at a specific branch. The GITHUB_REF environment variable set by this action contains the full Git reference, which includes the branch name.
Using the payload.ref property: If a GitHub Actions workflow is triggered by a push event, the payload.ref property of the github context variable contains the full Git reference, including the branch name.
Using the GITHUB_HEAD_REF environment variable: The GITHUB_HEAD_REF environment variable is set by GitHub Actions when a workflow is triggered by a pull request. It contains the branch name of the pull request head.

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