How to get the target branch of the GitHub pull request from an Actions?

问题

When an action is set on pull_request in Github Actions, how to get the target branch? The use case is to retrieve the PR- (and hopefully, branch)-specific commits.

回答1:

You can access the target branch with ${{ github.event.pull_request.base.ref }}.

To know the full list of properties of the github.event object, try to run more $GITHUB_EVENT_PATH.

回答2:

You can see all GitHub actions pull request event properties here.

来源：https://stackoverflow.com/questions/62331829/how-to-get-the-target-branch-of-the-github-pull-request-from-an-actions