Gemini CLI Cheatsheet

gemini chat "fix bug"           # One-shot prompt
gemini interactive              # Enter interactive mode
gemini -i                       # Short form for interactive
gemini "analyze this file" @    # Include current directory files
gemini --help                   # Show all commands

--model=<id>                    # Choose model (gemini-1.5-pro, claude-code)
--input=file.txt                # Pipe file content
--output=result.md              # Save output to file
--non-interactive               # Run without user interaction
--verbose                       # Detailed logging
--config=path                   # Custom config file

/help                           # Show all commands
/clear                          # Reset conversation context
/save                           # Export conversation
/load                           # Import conversation
/exit                           # Gracefully exit
Ctrl+C                          # Force quit

gemini fix "429 rate limit exceeded"
gemini fix "npm ERR! peer dep missing"
gemini fix "git merge conflict"
gemini fix "typescript type error"
gemini fix "docker build failed"

gemini "refactor this" @file.js         # Target specific file
gemini "add tests" @src/                # Target directory
gemini "explain code" @*.py             # Target pattern
gemini --input=log.txt "analyze errors" # Pipe file content

--model=gemini-1.5-pro          # Default, balanced performance
--model=gemini-1.5-flash        # Faster responses
--model=claude-code             # Code-focused model
--model=gpt-4                   # OpenAI model

gemini config set api_key YOUR_KEY
gemini config set model gemini-1.5-pro
gemini config set output_format markdown
gemini config show             # Display current config

# Code analysis pipeline
gemini "audit security" @src/ --output=security-report.md

# Documentation generation
gemini "generate docs" @*.js --model=claude-code

# Error diagnosis
gemini --input=error.log "diagnose and fix"

# Multi-file refactoring
gemini interactive
> "I want to refactor authentication across these files"
> @auth/ @middleware/ @routes/auth.js

# Quick debugging
gemini "debug this error" @logs/

# Code review
gemini "review for best practices" @pull-request-files/

# Performance optimization
gemini "optimize performance" @slow-component.js

# Test generation
gemini "generate unit tests" @src/utils/

# Check installation
gemini --version

# Verify API key
gemini config show

# Clear cache
gemini cache clear

# Reset configuration
gemini config reset

# Enable verbose logging
gemini --verbose "test command"