diesel-guard

name	diesel-guard
description	Use this skill when the user wants to lint Postgres migrations for unsafe patterns, prevent downtime from bad migrations, or check Diesel/SQLx migration safety.

diesel-guard Plugin

Linter for dangerous Postgres migration patterns in Diesel and SQLx.

Commands

Check

• diesel-guard migration check — Check migrations for unsafe patterns

Usage Examples

• "Lint migrations for unsafe patterns"
• "Initialize diesel-guard config"
• "Check specific migration files"

Installation

cargo install diesel-guard

Or:

brew install ayarotsky/tap/diesel-guard

Examples

# Initialize
diesel-guard init

# Check migrations
diesel-guard check

# Check specific path
diesel-guard check ./migrations/

# CI with GitHub Actions
# - uses: ayarotsky/diesel-guard-action@v1

Key Features

• Uses libpg_query (Postgres parser)
• Detects table-locking operations
• Works with Diesel and SQLx
• Safety-assured blocks for verified ops
• Version-aware checks
• No DB connection required