Generating Synthetic Code Review Comments from Bug Fix Histories#5037
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leusonmario wants to merge 3 commits intomozilla:masterfrom
Open
Generating Synthetic Code Review Comments from Bug Fix Histories#5037leusonmario wants to merge 3 commits intomozilla:masterfrom
leusonmario wants to merge 3 commits intomozilla:masterfrom
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Collaborator
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CC @olewicki |
Member
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The diff was difficult to review because it included 84 commits from the upstream. I cleaned up the branch and rebased it. |
suhaibmujahid
requested changes
Jul 9, 2025
Comment on lines
42
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| You are an expert reviewer for source code with extensive experience in analyzing and summarizing code changes. | ||
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| The bug associated with patch_bug was introduced and later fixed. Below, you can find further information about the fix. | ||
| Fix title: {fix_title} | ||
| Fix description: {fix_description} | ||
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| Your task: | ||
| Analyze the provided code and generate a concise summary focusing on the exact changes in patch_bug that introduced the issue and how patch_fix resolved it. Ignore any modifications unrelated to the bug fix. | ||
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| You must report: | ||
| 1. The root cause of the issue in `patch_bug`: Identify the specific code lines in patch_bug responsible for the bug. Report the exact affected line and explain why they led to the issue. One single line number for change. | ||
| 2. The specific changes in `patch_fix` that correct the issue: Explain how the bug was resolved, but keep the focus on mapping fixes back to the faulty lines in `patch_bug`. | ||
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| Output Format: | ||
| Provide a structured response that explicitly maps faulty lines in `patch_bug` to the fix in `patch_fix`, like this: | ||
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| {{ | ||
| "root_cause": {{ | ||
| "filename": "<file_path>", | ||
| "line": [<line_number>], | ||
| "explanation": "<Why these lines introduced the bug>" | ||
| }}, | ||
| "fix": {{ | ||
| "filename": "<file_path>", | ||
| "line": [<line_number>], | ||
| "explanation": "<How these changes in patch_fix resolved the issue>" | ||
| }} | ||
| }} | ||
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| Bug commit message: {bug_commit_message} | ||
| {patch_bug} | ||
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| Fix commit message: {fix_commit_message} | ||
| {patch_fix} | ||
| """ |
Member
There was a problem hiding this comment.
I do not think we need to indent the whole prompt.
Suggested change
| You are an expert reviewer for source code with extensive experience in analyzing and summarizing code changes. | |
| The bug associated with patch_bug was introduced and later fixed. Below, you can find further information about the fix. | |
| Fix title: {fix_title} | |
| Fix description: {fix_description} | |
| Your task: | |
| Analyze the provided code and generate a concise summary focusing on the exact changes in patch_bug that introduced the issue and how patch_fix resolved it. Ignore any modifications unrelated to the bug fix. | |
| You must report: | |
| 1. The root cause of the issue in `patch_bug`: Identify the specific code lines in patch_bug responsible for the bug. Report the exact affected line and explain why they led to the issue. One single line number for change. | |
| 2. The specific changes in `patch_fix` that correct the issue: Explain how the bug was resolved, but keep the focus on mapping fixes back to the faulty lines in `patch_bug`. | |
| Output Format: | |
| Provide a structured response that explicitly maps faulty lines in `patch_bug` to the fix in `patch_fix`, like this: | |
| {{ | |
| "root_cause": {{ | |
| "filename": "<file_path>", | |
| "line": [<line_number>], | |
| "explanation": "<Why these lines introduced the bug>" | |
| }}, | |
| "fix": {{ | |
| "filename": "<file_path>", | |
| "line": [<line_number>], | |
| "explanation": "<How these changes in patch_fix resolved the issue>" | |
| }} | |
| }} | |
| Bug commit message: {bug_commit_message} | |
| {patch_bug} | |
| Fix commit message: {fix_commit_message} | |
| {patch_fix} | |
| """ | |
| You are an expert reviewer for source code with extensive experience in analyzing and summarizing code changes. | |
| The bug associated with patch_bug was introduced and later fixed. Below, you can find further information about the fix. | |
| Fix title: {fix_title} | |
| Fix description: {fix_description} | |
| Your task: | |
| Analyze the provided code and generate a concise summary focusing on the exact changes in patch_bug that introduced the issue and how patch_fix resolved it. Ignore any modifications unrelated to the bug fix. | |
| You must report: | |
| 1. The root cause of the issue in `patch_bug`: Identify the specific code lines in patch_bug responsible for the bug. Report the exact affected line and explain why they led to the issue. One single line number for change. | |
| 2. The specific changes in `patch_fix` that correct the issue: Explain how the bug was resolved, but keep the focus on mapping fixes back to the faulty lines in `patch_bug`. | |
| Output Format: | |
| Provide a structured response that explicitly maps faulty lines in `patch_bug` to the fix in `patch_fix`, like this: | |
| {{ | |
| "root_cause": {{ | |
| "filename": "<file_path>", | |
| "line": [<line_number>], | |
| "explanation": "<Why these lines introduced the bug>" | |
| }}, | |
| "fix": {{ | |
| "filename": "<file_path>", | |
| "line": [<line_number>], | |
| "explanation": "<How these changes in patch_fix resolved the issue>" | |
| }} | |
| }} | |
| Bug commit message: {bug_commit_message} | |
| {patch_bug} | |
| Fix commit message: {fix_commit_message} | |
| {patch_fix} | |
| """ |
| {patch_fix} | ||
| """ | ||
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| FILTERING_COMMENTS = """ |
Member
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Here the same as in https://github.com/mozilla/bugbug/pull/5037/files#r2195000738
| {bug_summarization} | ||
| """ | ||
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| CODE_GEN_BUG_FIX = """ |
Member
There was a problem hiding this comment.
Here again, as in https://github.com/mozilla/bugbug/pull/5037/files#r2195000738
| Subcategories include: | ||
| * None of the above | ||
| * Does not apply | ||
| - Keep It Focused: Limit your comments to the issues that could lead to problems identified by the Jira ticket and are directly related to the changes made in the Patch fixing the bug. |
Member
There was a problem hiding this comment.
We could make it generic instead of specifying Jira here.
Replaces the incorrect use of bugzilla.COMMITS_DB with repository.COMMITS_DB in the documentation example to ensure the correct database is downloaded.
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3 participants
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Goal: Automatically generate synthetic code review comments by leveraging historical bug reports and their corresponding fixes.
Input: A list of previously reported bugs along with their associated fix implementations (commits).