fetch-diff
Fetch PR diff with filtering and line numbers for code review.
Installation
Details
Usage
After installing, this skill will be available to your AI coding assistant.
Verify installation:
npx agent-skills-cli listSkill Instructions
name: fetch-diff description: Fetch PR diff with filtering and line numbers for code review. allowed-tools:
- Bash(uv run skills fetch-diff:*)
Fetch PR Diff
Fetches a pull request diff, filters out auto-generated files, and adds line numbers for easier review comment placement.
Usage
uv run skills fetch-diff <pr_url> [--files <pattern> ...]
Examples:
# Fetch the full diff
uv run skills fetch-diff https://github.com/mlflow/mlflow/pull/123
# Fetch only Python files
uv run skills fetch-diff https://github.com/mlflow/mlflow/pull/123 --files '*.py'
# Fetch only frontend files
uv run skills fetch-diff https://github.com/mlflow/mlflow/pull/123 --files 'mlflow/server/js/*'
# Multiple patterns
uv run skills fetch-diff https://github.com/mlflow/mlflow/pull/123 --files '*.py' '*.ts'
Token is auto-detected from GH_TOKEN env var or gh auth token.
Output Example
diff --git a/path/to/file.py b/path/to/file.py
index abc123..def456 100644
--- a/path/to/file.py
+++ b/path/to/file.py
@@ -10,7 +10,7 @@
10 10 | import os
11 11 | import sys
12 12 | from typing import Optional
13 | -from old_module import OldClass
14 | +from new_module import NewClass
14 15 |
15 16 | def process_data(input_file: str) -> dict:
Each line is annotated as old_line new_line | <marker> content:
-marker (left number only) -> deleted line,side=LEFT,line=old_line+marker (right number only) -> added line,side=RIGHT,line=new_line- No marker (both numbers) -> unchanged line,
side=RIGHT,line=new_line
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