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Repo File Sync
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Repository Sync Use Cases

Repository Sync Use Cases

A comprehensive guide to common file synchronization patterns across multiple repositories.

Common Sync Use Cases

Configuration Files

Common configuration files that often need synchronization:

// package.json
{
  "name": "project",
  "scripts": {
    "lint": "eslint .",
    "test": "jest"
  }
}

Examples of configuration files to sync:

  • package.json for consistent dependencies
  • .eslintrc.js for code style enforcement
  • tsconfig.json for TypeScript settings
  • .prettierrc for code formatting
  • jest.config.js for testing setup
  • .github/workflows/*.yml for CI/CD pipelines
  • docker-compose.yml for container setup
  • .env.example for environment variables

Development Tools

Development tooling that benefits from synchronization:

  • .vscode/settings.json for consistent editor settings
  • .vscode/extensions.json for recommended extensions
  • .editorconfig for editor formatting
  • .gitignore for consistent file exclusions
  • Makefile or build scripts
  • README.md templates
  • CONTRIBUTING.md guidelines

Security and Compliance

Security-related files to keep synchronized:

  • SECURITY.md for security policies
  • LICENSE files
  • Code of conduct documents
  • Security scanning configurations
  • Dependency audit settings
  • .npmrc for package registry settings

Testing and Quality Assurance

Testing infrastructure to maintain:

  • Test helpers and utilities
  • Mock data templates
  • Test configuration files
  • Performance testing setups
  • E2E testing configurations

Documentation & Process files (across source control providers)

Documentation templates and standards:

  • API documentation templates
  • Component documentation standards
  • Architecture decision records (ADRs)
  • Changelog templates
  • Pull request templates
  • Issue templates

Sync Strategies

Monorepo Components

For organizations using both monorepos and individual repositories:

  • Shared UI components
  • Common utility functions
  • Type definitions
  • API clients
  • Testing utilities

Microservices Synchronization

Common patterns for microservices:

  • Service templates
  • Error handling
  • Logging configurations
  • Monitoring setups
  • Health check implementations

Infrastructure as Code

Infrastructure definitions to synchronize:

  • Terraform modules
  • Kubernetes manifests
  • Cloud formation templates
  • Deployment scripts
  • Environment configurations

Best Practices

Version Control

Important version control patterns:

  • Branch protection rules
  • Commit message templates
  • Git hooks
  • Code review guidelines
  • Release procedures

Automation

Automation configurations to maintain:

  • CI/CD pipelines
  • Build scripts
  • Deployment configurations
  • Code generation tools
  • Database migration patterns

Use Case Examples

Example: Maintaining Consistent Dev Environment

# .github/workflows/ci.yml
name: CI
on: [push, pull_request]
jobs:
  test:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - uses: actions/setup-node@v2
      - run: npm ci
      - run: npm test

Example: Shared Component Library

// shared/components/Button.tsx
interface ButtonProps {
  variant: 'primary' | 'secondary';
  children: React.ReactNode;
}
 
export function Button({ variant, children }: ButtonProps) {
  return (
    <button className={`btn btn-${variant}`}>
      {children}
    </button>
  );
}

Example: Common Security Policies

# SECURITY.md
 
## Security Policy
 
### Reporting a Vulnerability
 
Please report security vulnerabilities to [email protected]
 
### Supported Versions
 
| Version | Supported          |
| ------- | ------------------ |
| 5.1.x   | :white_check_mark: |
| 5.0.x   | :x:                |

Resources

Sync Rules