cd Desktop
mkdir github-demo
cd github-demo
ls

git config --global user.name "Deepak Dubey"
git config --global user.email "learnpde@gmail.com"
git --version

Lab Demo Token

demo-repo-scenario1

git clone https://github.com/learnpde/demo-repo-scenario1.git
cd demo-repo-scenario1

ls -la

git status

echo "console.log('Hello from Scenario 1!');" > app.js

cat > package.json << EOF
{
  "name": "demo-repo-scenario1",
  "version": "1.0.0",
  "description": "Demo repository for GitHub hands-on lab",
  "main": "app.js",
  "scripts": {
    "start": "node app.js"
  }
}
EOF

git status

git add app.js package.json

git commit -m "Add initial application files and package.json"

git push origin main

export GITHUB_TOKEN=your_token_here

git push "https://${GITHUB_TOKEN}@github.com/learnpde/demo-repo-scenario1.git" main

git log --oneline

mkdir -p ~/.ssh
chmod 700 ~/.ssh

cd ~/.ssh

cat ~/.ssh/github-demo.pub

Lab Demo SSH Key

chmod 600 ~/.ssh/github-demo
chmod 644 ~/.ssh/github-demo.pub

ssh-add ~/.ssh/github-demo

ssh -T git@github.com

cd ~/Desktop/github-demo
mkdir demo-repo-scenario2
cd demo-repo-scenario2

git init

cat > README.md << EOF
# Demo Repository - Scenario 2

This repository demonstrates creating a local Git repository first, then pushing to GitHub.

## Features
- Local-first development approach
- Essential Git command demonstration
- GitHub integration workflow

## Getting Started
Run the application with:
\`\`\`
python main.py
\`\`\`
EOF

cat > main.py << EOF
#!/usr/bin/env python3
"""
Demo application for GitHub hands-on lab
Scenario 2: Local repository created first
"""

def main():
    print("Hello from Scenario 2!")
    print("This repository was created locally first.")
    
    # Demonstrate some basic functionality
    numbers = [1, 2, 3, 4, 5]
    squared = [n**2 for n in numbers]
    print(f"Original numbers: {numbers}")
    print(f"Squared numbers: {squared}")

if __name__ == "__main__":
    main()
EOF

cat > .gitignore << EOF
# Python
__pycache__/
*.pyc
*.pyo
*.pyd
.Python
env/
venv/
.venv/

# IDE
.vscode/
.idea/
*.swp
*.swo

# OS
.DS_Store
Thumbs.db
EOF

git add .

git commit -m "Initial commit: Add README, main application, and gitignore"

demo-repo-scenario2

Hands-on demo repository created locally first

git remote add origin git@github.com:learnpde/demo-repo-scenario2.git

git branch -M main

git remote -v

git push -u origin main

cd ../demo-repo-scenario1

git checkout -b feature/add-functions

git switch -c feature/add-functions

cat > utils.js << EOF
// Utility functions for the demo application

function calculateSum(numbers) {
    return numbers.reduce((sum, num) => sum + num, 0);
}

function calculateAverage(numbers) {
    return numbers.length > 0 ? calculateSum(numbers) / numbers.length : 0;
}

function findMax(numbers) {
    return Math.max(...numbers);
}

module.exports = {
    calculateSum,
    calculateAverage,
    findMax
};
EOF

cat > app.js << EOF
const { calculateSum, calculateAverage, findMax } = require('./utils');

console.log('Hello from Scenario 1!');

// Demo the utility functions
const numbers = [10, 25, 30, 15, 40];
console.log('Numbers:', numbers);
console.log('Sum:', calculateSum(numbers));
console.log('Average:', calculateAverage(numbers));
console.log('Maximum:', findMax(numbers));
EOF

git add .

git commit -m "Add utility functions and update main application"

git push -u origin feature/add-functions

Add utility functions and update main application

Add Detailed Description here

Merge pull request #1 from learnpde/feature/add-functions

git switch main

ls -la

git pull origin main

git branch -d feature/add-functions

## Recent Updates
- Added collaborative workflow demonstration
- Updated: [Current Date]

Update README with collaboration info

cd ../demo-repo-scenario2

cat README.md

git pull origin main

cat README.md

git config --list

cd ..

git clone https://github.com/learnpde/demo-repo-scenario1.git test-clone

cd test-clone

node app.js

cd ../demo-repo-scenario2

python3 main.py

cd ..

rm -rf demo-repo-scenario1 demo-repo-scenario2 test-clone

learnpde/demo-repo-scenario1

learnpde/demo-repo-scenario2

rm ~/.ssh/github-demo
rm ~/.ssh/github-demo.pub

ls github-demo github-demo.pub