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Rethinking code reviews with stacked PRs
- The peer code review process is an essential part of software development, but its effectiveness drops exponentially with the increase in the size of the change.
- Stacked pull requests make smaller, iterative changes and are stacked on top of each other instead of bundling large monolith changes in a single pull request.
- Benefits of stacked PRs include early review feedback, faster CI feedback cycle, knowledge sharing, and freedom from getting blocked while waiting for a review.
- Stacked PR workflow is not supported natively by either Git or GitHub, but tools have been developed across the open-source community to enable engineers to incorporate these stacking techniques.
- To resolve conflicts, a merge commit strategy while stacking PRs is simpler but most teams discourage it to keep the git-history clean, leaving squash or rebase merge options.
- Aviator is a CLI tool that augments developer’s experience with enhanced PR management by creating, tracking, updating, and merging stacked PRs.
- Aviator also supports an advanced MergeQueue to manage auto-merging thousands of changes at scale and seamlessly integrates with CLI and stacked PRs.
- The increase in code review efficiency, faster feedback loops, and enhanced learning opportunities outweigh the overhead of breaking down changes into smaller parts.
- Aviator empowers developers to build faster and better by providing developer productivity tools.
- Stacked PRs will become increasingly useful as we continue embracing the shift-left principles.
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