CLI Commands Reference

DevDiff Study Buddy integrates directly with the devdiff command-line tool.

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1. devdiff study explain

Explains a code selection, file, or active staged diff.

# Auto-detect language and explain at developer level
devdiff study explain

# Specify an explanation level
devdiff study explain --level beginner
devdiff study explain --level student
devdiff study explain --level developer
devdiff study explain --level senior
devdiff study explain --level architect

# Explain a specific file
devdiff study explain src/services/auth.ts --level student

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2. devdiff study ask

Ask an educational question about your code or architecture.

# Ask questions about specific code mechanics
devdiff study ask "What does this regex expression match?"
devdiff study ask "How is state managed between components here?"
devdiff study ask "Why is this function using recursion instead of an iterative loop?"

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3. devdiff study tour

Generates a structured, 5-minute newcomer tour of the entire project repository.

devdiff study tour

Tour Structure:

• 🏢 Project Topology: Frameworks and languages detected.
• 🚪 Suggested Entry Points: Key bootstrap files to open first.
• 🔄 Data Flow Summary: How requests flow from entry point to database/storage.

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4. devdiff study learn

Generates a personalized, step-by-step 5-stage learning path for any topic mapped to real codebase files.

# Learn authentication in the project
devdiff study learn authentication

# Learn state management
devdiff study learn state-management

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5. devdiff study quiz

Generates interactive self-quizzes with multiple-choice questions based on real files in the current repository.

devdiff study quiz error-handling

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6. devdiff study start & stop

Starts or pauses an interactive persistent Study Buddy session in your current terminal session.

devdiff study start
devdiff study stop