Enhance gh pr create to support cross repo pull requests within the same organization #10093
Description
Describe the feature or problem you’d like to solve
gh pr create -H user:branch is limited to creating cross repo pull requests between an upstream repository and a user-owned fork due to createPullRequest mutation limitation in the headRefName field. Instead, these types of cross repo pull requests should specify the GraphQL ID of the upstream repository using headRepositoryId field.
Ideally, the -H, --head branch flag could be used with user or organization logins.
For more information, #9364 (comment)
Proposed solution
This would support intra-organization forking needs as well as simplify acceptance tests around this scenario: