Enhancing Developer Performance: Navigating GitHub Copilot's PR Re-Review Challenges

In the fast-evolving landscape of software development, AI-powered tools like GitHub Copilot are becoming indispensable for enhancing developer performance. They promise to streamline workflows, accelerate code reviews, and ultimately help teams achieve their software project goals more efficiently. However, as these tools become more integrated, edge cases can emerge that highlight areas for improvement, sometimes creating unexpected friction.

When AI Reviewers Get Stuck: A Copilot Conundrum

A recent discussion on the GitHub Community forum, initiated by user rafal-ep, brought to light a specific challenge with GitHub Copilot's re-review functionality. The core issue: an inability to request a Copilot re-review on a Pull Request (PR) that was originally started by a departed colleague.

The Problem: Ownership and Re-Review Limitations

The user had taken over a PR where the original author, now departed, had initiated a Copilot review. After addressing many of Copilot's initial comments, rafal-ep wanted Copilot to re-evaluate the updated code. Unfortunately, the option to request a re-review was missing. Copilot only displayed a "comment" icon in the reviewers section, not the expected "re-review" icon. This suggested a potential link to the PR's original ownership.

Exhaustive Attempts to Resolve the Issue

Determined to move the PR forward and maintain high developer performance, rafal-ep undertook a comprehensive series of troubleshooting steps, exploring both the GitHub Web UI and command-line tools. None of these attempts succeeded:

• Web UI Reviewer Management: Tried removing and re-adding @copilot as a reviewer. However, @copilot could neither be found for removal nor added via the dropdown.
• Direct Re-review Request (Web UI): The refresh icon for re-review was absent next to Copilot in the reviewers section; only the chat/comment icon was available.
• Manual Summoning: Attempted to summon @copilot by mentioning it directly in a PR comment.
• GitHub CLI for Reviewer Addition: Used the gh pr edit --add-reviewer command.
• GraphQL API for Bot Reviewer: Employed a more advanced approach using the GitHub GraphQL API to explicitly request reviews from Copilot's bot ID. This involved two steps:

  gh api graphql -f query='query { repository(owner: "...org-name...", name: "...repo-name...") { pullRequest(number: 31) { id } } }'

  followed by:

  gh api graphql -f query='mutation { requestReviews(input: { pullRequestId: "...PR ID...", botIds: ["BOT_kgDOCnlnWA"] }) { pullRequest { id } } }'

Community Acknowledgment and Implications

The discussion received an automated response from github-actions, confirming that the product feedback had been submitted and would be reviewed by the product teams. While this acknowledges the issue, it highlights a current gap in Copilot's workflow for handling PR ownership transfers, which can directly impede developer performance and project velocity.

This scenario underscores the importance of robust AI tooling that can adapt seamlessly to real-world team dynamics, including changes in PR ownership. For teams striving for optimal developer performance, such friction points can accumulate, delaying merges and impacting overall progress towards software project goals. As AI continues to evolve, ensuring that these tools are resilient to common workflow changes will be crucial for their widespread adoption and effectiveness.