ReddRadar
Agent skill
gitignore-config
Git ignore configuration patterns for MetaSaver monorepos. Includes 10 required pattern categories (dependencies, build outputs, environment files with security-critical .env and .npmrc exclusions, logs, testing, IDE, OS, database, cache, temporary files). Use when creating or auditing .gitignore files to prevent secret leakage and repository pollution.
Install this agent skill to your Project
npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/development/gitignore-config
SKILL.md
Gitignore Configuration Skill
This skill provides the canonical .gitignore patterns for MetaSaver monorepos.
Required Pattern Categories
1. Dependencies
# Dependencies
node_modules
.pnpm-store
.yarn
.npm
2. Build Outputs
# Build outputs
dist
build
out
.turbo
.next
*.tsbuildinfo
3. Environment Files (CRITICAL - Security)
# Environment files - CRITICAL: prevent secret leakage
.env
.env.*
!.env.example
!.env.template
# NPM configuration - may contain auth tokens
.npmrc
!.npmrc.template
4. Logs
# Logs
*.log
npm-debug.log*
yarn-debug.log*
yarn-error.log*
pnpm-debug.log*
lerna-debug.log*
5. Testing and Coverage
# Testing
coverage
.nyc_output
test-results
playwright-report
6. IDE and Editor
# IDE/Editor (note: .vscode often committed, exclude only if needed)
.idea
*.swp
*.swo
*~
*.sublime-workspace
7. Operating System
# OS files
.DS_Store
Thumbs.db
desktop.ini
8. Database (Prisma/SQLite)
# Database
*.db
*.db-journal
9. Cache
# Cache
.cache
.eslintcache
.stylelintcache
*.cache
10. Temporary Files
# Temporary
tmp
temp
*.tmp
*.temp
Complete Template
# ========================================
# Dependencies
# ========================================
node_modules
.pnpm-store
.yarn
.npm
jspm_packages
# ========================================
# Build outputs
# ========================================
dist
build
out
.turbo
.next
.nuxt
.cache
.parcel-cache
*.tsbuildinfo
# ========================================
# Environment files - SECURITY CRITICAL
# ========================================
.env
.env.*
!.env.example
!.env.template
.npmrc
!.npmrc.template
# ========================================
# Logs
# ========================================
*.log
npm-debug.log*
yarn-debug.log*
yarn-error.log*
pnpm-debug.log*
lerna-debug.log*
# ========================================
# Testing and coverage
# ========================================
coverage
.nyc_output
test-results
playwright-report
*.lcov
# ========================================
# IDE and editor files
# ========================================
.idea
*.swp
*.swo
*~
*.sublime-workspace
.project
.classpath
.settings
# ========================================
# Operating system files
# ========================================
.DS_Store
.DS_Store?
._*
.Spotlight-V100
.Trashes
ehthumbs.db
Thumbs.db
desktop.ini
# ========================================
# Database files
# ========================================
*.db
*.db-journal
*.sqlite
*.sqlite3
# ========================================
# Cache files
# ========================================
.cache
.eslintcache
.stylelintcache
.prettiercache
*.cache
# ========================================
# Temporary files
# ========================================
tmp
temp
*.tmp
*.temp
*.bak
*.backup
*.orig
Validation Logic
const REQUIRED_PATTERNS = {
critical: [".env", ".env.*", "!.env.example", ".npmrc", "!.npmrc.template"],
high: ["node_modules", "dist", "build", ".turbo", "*.log", "coverage"],
medium: [".next", "out", ".cache", ".eslintcache", "*.tsbuildinfo"],
low: [".DS_Store", "Thumbs.db", "desktop.ini", "*.db", "tmp"],
};
function validateGitignore(content: string): ValidationResult {
const lines = content.split("\n").map((l) => l.trim());
const violations = [];
for (const [priority, patterns] of Object.entries(REQUIRED_PATTERNS)) {
for (const pattern of patterns) {
if (!lines.includes(pattern)) {
violations.push({
pattern,
priority,
message: `Missing ${priority} pattern: ${pattern}`,
});
}
}
}
return {
valid: violations.filter((v) => v.priority === "critical").length === 0,
violations,
};
}
Best Practices
- Security First: Always include .env and .npmrc exclusions with template whitelists
- Organized Structure: Group patterns by category with clear comments
- No Duplicates: Avoid redundant patterns
- Complete Coverage: Don't miss any build output directories
- Cross-Platform: Include both Unix and Windows OS-specific files
- Whitelist Templates: Use
!pattern to allow template files
Consumer vs Library Repos
Both use the same patterns. The .gitignore is repository-agnostic - all monorepos need the same exclusions.
Common Mistakes
- Forgetting .npmrc: Auth tokens can leak
- Missing .turbo: Turborepo cache pollutes repo
- No .env exclusion: Secrets in version control
- Incomplete whitelists: Template files get ignored
- Missing OS files: .DS_Store creates noise in PRs
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