AI-generated pull request descriptions: benefits and best practices

Greg Foster
Greg Foster
Graphite software engineer
Try Graphite

Table of contents

Pull requests (PRs) are essential for collaborative software development, serving as the primary mechanism for code integration and review. However, crafting detailed and consistent PR descriptions can be time-consuming and prone to inconsistency. AI-generated PR descriptions offer a solution by automating this task, ensuring clarity and uniformity across the development process.

AI tools can standardize PR descriptions, reducing ambiguity and ensuring that all necessary information is included. This consistency aids reviewers in understanding the context and purpose of changes more efficiently.

Automating the generation of PR descriptions saves developers valuable time, allowing them to focus more on coding and less on documentation. For instance, Graphite's AI-powered PR descriptions can generate summaries from diffs and commit messages in seconds.

AI-generated descriptions can highlight key changes, potential impacts, and areas requiring attention, facilitating more thorough and effective code reviews. Graphite's AI Reviewer, for example, provides instant, actionable feedback on pull requests, helping to catch errors early.

For new team members, AI-generated PR descriptions can provide context and explanations for code changes, aiding in faster onboarding and understanding of the codebase.

While AI can draft PR descriptions, it's crucial for developers to review and refine these outputs to ensure accuracy and alignment with project standards.

Ensure that AI-generated descriptions encompass:

  • Purpose: Clearly state the reason for the changes.
  • Changes: List the modifications made, including files and functions affected.
  • Impact: Describe any potential effects on the existing codebase or functionality.
  • Testing: Provide instructions or notes on how to test the changes.

Incorporate AI-powered PR description tools into your continuous integration/continuous deployment (CI/CD) pipelines to automate the process seamlessly. Graphite, for example, integrates with GitHub and GitLab, allowing for automated PR descriptions as part of the development workflow.

AI-generated descriptions should serve as a starting point. Developers should apply their expertise to ensure that the descriptions accurately reflect the changes and adhere to team conventions.

Graphite is an AI-powered code review tool that automates the generation of PR descriptions. It analyzes code changes, commit messages, and metadata to produce clear and concise summaries. Graphite integrates with GitHub and GitLab, offering features like stacked pull requests and AI-driven feedback to enhance the code review process.

  • GitHub Copilot for pull requests: Integrates with GitHub to assist in writing PR descriptions by analyzing code changes and suggesting summaries.

  • PrGPT: A ChatGPT custom GPT that generates PR titles and descriptions from commit messages, streamlining GitHub workflows.

  • Atlassian Intelligence for Bitbucket: Automatically drafts PR descriptions based on code changes, available for Bitbucket Premium users.

  1. A developer pushes a feature branch to GitHub.
  2. Graphite analyzes the commit history and code changes.
  3. An AI-generated PR description draft is created automatically.
  4. The developer reviews, adjusts, and submits the PR for review.

AI-generated PR descriptions significantly enhance the efficiency and quality of the code review process. By adopting best practices and leveraging tools like Graphite, development teams can streamline their workflows, reduce manual effort, and maintain high standards in code documentation.

AI-generated PR descriptions are generally quite accurate for straightforward code changes, especially when commit messages are clear and descriptive. However, accuracy can vary depending on the complexity of the changes and the quality of the input data. It's always recommended to review and refine AI-generated content before submitting PRs.

No, AI-generated descriptions should serve as a starting point rather than a complete replacement. Human oversight is essential to ensure accuracy, add context that AI might miss, and maintain consistency with team conventions and project-specific requirements.

To get better AI-generated PR descriptions, write clear, descriptive commit messages that include:

  • What was changed
  • Why the change was made
  • Any breaking changes or important considerations
  • Reference to related issues or tickets

AI tools typically analyze code diffs and commit messages, which may contain sensitive information. Ensure your chosen AI tool complies with your organization's security policies and data handling requirements. Some tools offer on-premises deployment options for enhanced security.

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