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COPS Development Guide

This guide explains how to develop and contribute to the COPS framework.

Development Environment

Installation Types

  1. User Installation (~/.cops)

    • For managing your own configuration
    • Production environment
    • Stable release version

  2. Development Installation (~/projects/cops)

    • For framework development
    • Testing environment
    • Working copy for changes

Development Setup

# 1. Fork the repository
# Visit: https://github.com/shaneholloman/cops

# 2. Clone your fork (NOT to ~/.cops)
git clone https://github.com/your-username/cops.git ~/projects/cops
cd ~/projects/cops

# 3. Review documentation
code docs/dev/architecture/core-concepts.md
code docs/dev/guides/testing.md

# 4. Make and test changes
./analyze.sh  # Verify shell standards
./cops.sh      # Test changes (updates ~/.cops)

Project Structure

.
├── lib/                        # Core modules
│   ├── main.sh                # Core orchestration
│   ├── config.sh              # Configuration handling
│   ├── checks.sh              # System validation
│   ├── preferences.sh         # Preferences management
│   ├── preferences-discovery.sh # Preferences utilities
│   ├── restore.sh            # Backup and restore
│   ├── install.sh           # Package installation
│   ├── validate.sh         # Configuration validation
│   ├── setup.sh           # Environment setup
│   ├── output.sh         # Logging utilities
│   ├── aliases.sh       # Shell aliases
│   └── brewbundle.sh   # Homebrew integration
│
├── config/                    # Default configurations
│   ├── git/                  # Git configuration
│   ├── vim/                  # Vim configuration
│   └── zsh/                  # Shell configuration
│
├── docs/                     # Documentation
│   ├── user/                # User guides
│   ├── dev/                 # Developer docs
│   │   ├── architecture/   # System design
│   │   ├── guides/        # Development guides
│   │   └── briefs/       # Development briefs
│   └── reference/         # Reference docs
│
├── backups/                  # Backup storage
│   ├── preferences/         # System preferences
│   ├── shell/              # Shell configurations
│   └── git/                # Git configurations
│
└── cops.sh            # Main entry point

Development Guidelines

Code Standards

  • Follow Shell Standards
  • Maximum 300 lines per module
  • Comprehensive error handling
  • Input validation
  • Clear documentation

Module Requirements

  1. Safety Features

    • Master switch in config.yaml
    • Automatic backups
    • Validation checks
    • Error handling
    • Recovery procedures

  2. Testing

    • Unit tests
    • Integration tests
    • Safety tests
    • Performance tests
    • Recovery tests

  3. Documentation

    • Code comments
    • Function documentation
    • Usage examples
    • Error scenarios

Adding Features

  1. Review Documentation

  2. Implementation Steps

    • Create development brief
    • Add master switch
    • Implement core functionality
    • Add safety features
    • Write tests
    • Update documentation

Development Workflow

1. Planning Phase

# Review project status
code docs/reference/project-status.md

# Check development briefs
code docs/dev/briefs/

# Create new brief for feature
code docs/dev/briefs/feature-name-brief.md

2. Development Phase

# Verify shell standards
./analyze.sh

# Run tests
./cops.sh --test

# Test specific functionality
./cops.sh --dry-run --restore preferences com.apple.finder

3. Testing Phase

# Full system test
./analyze.sh
./cops.sh --test

# Verify in production
cd ~/.cops
./cops.sh

4. Documentation Phase

# Update relevant docs
code docs/dev/briefs/feature-name-brief.md
code docs/reference/project-status.md

Best Practices

1. Code Organization

  • One feature per module
  • Clear function names
  • Consistent style
  • Proper error handling

2. Safety Measures

  • Validate all input
  • Create backups
  • Use dry-run mode
  • Handle errors gracefully

3. Testing Strategy

  • Test before commit
  • Cover edge cases
  • Verify rollbacks
  • Check error handling

4. Documentation

  • Keep briefs current
  • Document changes
  • Update examples
  • Maintain changelog

Common Development Tasks

Adding a New Module

  1. Create development brief
  2. Add master switch to config.yaml
  3. Create module in lib/
  4. Implement safety features
  5. Add tests
  6. Update documentation

Modifying Existing Module

  1. Review current implementation
  2. Create backup functionality
  3. Make changes incrementally
  4. Test thoroughly
  5. Update documentation

Testing Changes

  1. Run shell analysis
  2. Execute unit tests
  3. Perform integration tests
  4. Test in production

Submitting Changes

  1. Create feature branch
  2. Make focused commits
  3. Update documentation
  4. Submit pull request

Getting Help

  1. Review Documentation

  2. Check Development Briefs

    • Recent changes
    • Implementation details
    • Design decisions

  3. Create Issues

    • Clear description
    • Steps to reproduce
    • Expected behavior