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Which default environment variable specifies the branch or tag that triggered a workflow?
GITHUB_TAG
GITHUB_REF
ENV_BRANCH
GITHUB_BRANCH
The GITHUB_REF environment variable specifies the branch or tag that triggered the workflow. It contains the full reference to the branch or tag, such as refs/heads/main for a branch or refs/tags/v1.0 for a tag.
TESTED 30 Sep 2026