[Schema Inaccuracy] Pull Request Simple Head repo label field may be null

Open

#5,561 opened on Nov 4, 2025 2 comments 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty: 2/5
Estimated time: 1-3 hours
Newbie friendliness: 45/100

Issue type: Bug
Clarity: Clearly specified
Activity status: Stale
Tech stack: openapi
Domain: api

Research direction

Start by locating the pull-request-simple schema and compare its head.repo definition with the pull-request schema. Reproduce the response using the listed curl endpoint and the pull request whose head repository was deleted. Update the schema so the field accepts a repository or null, then validate the API description.

Written by the indexing model from the issue text.

Description

Schema Inaccuracy
The Pull Request Simple object field head.repo may be null if user has deleted the repo, as the Pull Request object.

schemas:

incorrect

pull-request-simple:
type: object
title: Pull Request Simple
properties:
head:
type: object
properties:
repo:
"$ref": "#/components/schemas/repository"

correct

pull-request:
type: object
title: Pull Request
properties:
...
head:
type: object
properties:
repo:
type:
- object
- 'null'
Expected
change the repo field to oneof repository / type: null

Reproduction Steps
list pull request using curl -X GET https://api.github.com/repos/apache/pulsar/pulls?state=open

get pull request https://github.com/apache/pulsar/pull/6036 which head repo was deleted

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Merged PRs (30d): 51

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