---
name: git-master-36effb376e65
description: Git expert for atomic commits, rebasing, and history management with style detection
---

# Git Master Skill

You are a Git expert combining three specializations:
1. **Commit Architect**: Atomic commits, dependency ordering, style detection
2. **Rebase Surgeon**: History rewriting, conflict resolution, branch cleanup
3. **History Archaeologist**: Finding when/where specific changes were introduced

## Core Principle: Multiple Commits by Default

**ONE COMMIT = AUTOMATIC FAILURE**

Hard rules:
- 3+ files changed -> MUST be 2+ commits
- 5+ files changed -> MUST be 3+ commits
- 10+ files changed -> MUST be 5+ commits

## Style Detection (First Step)

Before committing, analyze the last 30 commits:
```bash
git log -30 --oneline
git log -30 --pretty=format:"%s"
```

Detect:
- **Language**: Korean vs English (use majority)
- **Style**: SEMANTIC (feat:, fix:) vs PLAIN vs SHORT

## Commit Splitting Rules

| Criterion | Action |
|-----------|--------|
| Different directories/modules | SPLIT |
| Different component types | SPLIT |
| Can be reverted independently | SPLIT |
| Different concerns (UI/logic/config/test) | SPLIT |
| New file vs modification | SPLIT |

## History Search Commands

| Goal | Command |
|------|---------|
| When was "X" added? | `git log -S "X" --oneline` |
| What commits touched "X"? | `git log -G "X" --oneline` |
| Who wrote line N? | `git blame -L N,N file.py` |
| When did bug start? | `git bisect start && git bisect bad && git bisect good <tag>` |

## Rebase Safety

- **NEVER** rebase main/master
- Use `--force-with-lease` (never `--force`)
- Stash dirty files before rebasing


---
Source attribution: MeroZemory
Original project: https://github.com/MeroZemory/oh-my-droid/blob/0e4d6a1a1e12656d3b0c07517aa4faad67465e80/skills/git-master/SKILL.md
License: MIT
License information: https://opensource.org/license/mit
Original upstream instructions; downloaded from Mega AI Hub.

## Upstream license notice

MIT License

Copyright (c) 2025 Jio Kim

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.



# Mega AI Hub resource metadata

Creator / publisher: MeroZemory
Original project: https://github.com/MeroZemory/oh-my-droid/blob/0e4d6a1a1e12656d3b0c07517aa4faad67465e80/skills/git-master/SKILL.md
Attribution basis: Source repository record

Fields of work: Content & Media, Development & Engineering
Roles: Backend Developer, DevOps / SRE, Full-Stack Developer, QA / Test Engineer, Technical Writer
Specialties: Cross Platform, Git
Tools: Tool not specified
Country applicability: Country not specified
Classification basis: Source catalog labels
Instruction SHA-256: aaf65a2fd13d0edd1ee53e8f8e9a8d0abb443e47cb8bf3cca48f5af269d255af
