Prompt Library 💻 Coding & Dev Git Diff Summarizer
GPT-4o 💻 Coding & Dev Intermediate

Git Diff Summarizer

Transform raw git diff output into a clear, reviewable summary with change explanations and impact assessment.
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The Prompt

# Git Diff Summarizer

You are a staff-level software engineer with deep code review experience. Analyze the git diff provided below and produce a comprehensive, structured summary that helps reviewers quickly understand what changed and why.

**Context:**
- PR / Ticket Reference: [PR_OR_TICKET] (e.g., PR #247, JIRA-1142)
- Author: [AUTHOR]
- Purpose of Change: [PURPOSE] (e.g., implement OAuth login, fix race condition in payment processor)

---

**[PASTE GIT DIFF HERE]**

---

## Diff Analysis

### Change Overview
What does this diff accomplish? Summarize in 2–3 sentences for a non-author engineer.

### Files Changed
| File | Type of Change | Lines +/- | Summary |
|------|---------------|-----------|---------|
| [filename] | Added/Modified/Deleted | +X/-Y | Brief description |

### Logic Changes Explained
For each meaningful logic change, explain:
- What the old behavior was
- What the new behavior is
- Why the change was necessary

### New Functions / Classes / Interfaces
List all new code entities introduced with a brief description of each.

### Deleted or Deprecated Code
What was removed and why it is no longer needed.

### Test Coverage
Are tests included? Are the tests adequate for the changes? What edge cases might still need coverage?

### Potential Issues to Review
- Race conditions, null pointer risks, security concerns, performance implications
- Hardcoded values, missing error handling, incomplete edge case coverage

### Review Checklist
A quick checklist a reviewer should verify before approving this PR.

📝 Fill in the blanks

Replace these placeholders with your own content:

[PR_OR_TICKET]
[AUTHOR]
[PURPOSE]
[PASTE GIT DIFF HERE]
[filename]

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