mkdir -p /home/interview/repo cd /home/interview/repo git init git config user.name "Test User" git config user.email "test@example.com" git branch -m main # 2️⃣ Initial commit cat > README.md << 'EOF' # Project Setup This is a simple Node.js project to demonstrate API development. EOF git add README.md git commit -m "Initial commit" # 3️⃣ Add docs on main cat > docs.md << 'EOF' # API Documentation ## Endpoints - GET /users - POST /users - GET /users/:id ## Validation Rules - name: required - email: required, must be valid format EOF git add docs.md git commit -m "Add documentation" # 4️⃣ Update README on main cat >> README.md << 'EOF' ## Getting Started 1. Install dependencies: npm install 2. Run tests: node tests.js EOF git add README.md git commit -m "Update README" # ✅ main now has 3 commits # 5️⃣ Create feature-api branch from main git checkout -b feature-api # 6️⃣ Add API validation on feature-api cat > validation.js << 'EOF' // validation.js function validateUser(user) { if (!user.name || !user.email) { throw new Error("Invalid user object"); } return true; } module.exports = { validateUser }; EOF git add validation.js git commit -m "Add API validation" # 7️⃣ Make another commit on main git checkout main echo "// extra main content" >> README.md git add README.md git commit -m "Update README with new info" # 8️⃣ Merge main into feature-api (first merge) git checkout feature-api git merge main -m "Merge branch 'main' into feature-api" # 9️⃣ Implement API endpoints on feature-api cat > api.js << 'EOF' // api.js const { validateUser } = require('./validation'); let users = []; function addUser(user) { validateUser(user); user.id = users.length + 1; users.push(user); return user; } function getUser(id) { return users.find(u => u.id === id) || null; } module.exports = { addUser, getUser }; EOF git add api.js git commit -m "Implement API endpoints" # 🔟 Add API tests on feature-api cat > tests.js << 'EOF' // tests.js const assert = require('assert'); const { addUser, getUser } = require('./api'); try { const alice = addUser({ name: "Alice", email: "alice@example.com" }); const bob = addUser({ name: "Bob", email: "bob@example.com" }); assert.strictEqual(alice.id, 1); assert.strictEqual(bob.id, 2); assert.deepStrictEqual(getUser(1), alice); assert.deepStrictEqual(getUser(2), bob); console.log("PASS: API tests passed"); } catch (err) { console.error("FAIL: API tests failed", err.message); } EOF git add tests.js git commit -m "Add API tests" # 1️⃣1️⃣ Merge main into feature-api again (second merge) git merge main -m "Merge branch 'main' into feature-api" # 1️⃣1️⃣ Create bare remote and push mkdir -p /tmp/remote-repo cd /tmp/remote-repo git init --bare repo.git cd /home/interview/repo git remote add origin file:///tmp/remote-repo/repo.git git push -u origin main git push -u origin feature-api

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