# Git & Version Control Skill

## Git Configuration
```bash
git config --global user.name "ren"
git config --global user.email "ren@local"
git config --global init.defaultBranch main
```

## Common Commands

### Repository Operations
```bash
git init                        # Initialize repo
git clone <url>                 # Clone repo
git status                      # Check status
git add .                       # Stage all changes
git add file.js                 # Stage specific file
git commit -m "message"          # Commit
git push origin main            # Push to remote
git pull origin main            # Pull from remote
```

### Branching
```bash
git branch                      # List branches
git branch new-feature         # Create branch
git checkout new-feature       # Switch branch
git checkout -b feature        # Create and switch
git merge feature              # Merge branch
git branch -d feature          # Delete merged branch
```

### History & Diff
```bash
git log --oneline              # Compact history
git diff                        # Show changes
git diff HEAD~1                # Compare with previous
git show <commit>              # Show commit details
git reset --hard <commit>      # Reset to commit
```

## Advanced
```bash
git stash                       # Stash changes
git stash pop                   # Apply stash
git cherry-pick <commit>       # Pick specific commit
git rebase main               # Rebase branch
```

## SSH Configuration
- SSH configured at: ~/.ssh/
- Public key can be added to GitHub/GitLab