Only pull request authors can give upstream repository maintainers, or those with push access to the upstream repository, permission to make commits to their pull request's compare branch in a user-owned fork. To learn more about upstream repositories, see "About forks."
Pull request authors can give these permissions when they initially create a pull request from a user-owned fork or after they create the pull request. For more information, see "Creating a pull request from a fork."
You can set commit permissions when you first create a pull request from a fork. For more information, see "Creating a pull request from a fork." Additionally, you can modify an existing pull request to let repository maintainers make commits to your branch.
Enabling repository maintainer permissions on existing pull requests
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On GitHub Enterprise Server, navigate to the main page of the upstream repository of your pull request.
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Under the upstream repository name, click Pull requests.
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In the list of pull requests, navigate to the pull request that you'd like to allow commits on.
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On user-owned forks, if you do not want to allow anyone with push access to the upstream repository to make changes to your pull request, unselect Allow edits from maintainers.
Warning: If your fork contains GitHub Actions workflows, the option is Allow edits and access to secrets by maintainers. Allowing edits on a fork's branch that contains GitHub Actions workflows also allows a maintainer to edit the forked repository's workflows, which can potentially reveal values of secrets and grant access to other branches.
