AWS CloudFormation Validator

{
  "hookConfig": {
    "hooks": {
      "postToolUse": {
        "script": "./.claude/hooks/aws-cloudformation-validator.sh",
        "matchers": [
          "write",
          "edit"
        ]
      }
    }
  },
  "scriptContent": "#!/usr/bin/env bash\n\n# Read the tool input from stdin\nINPUT=$(cat)\nTOOL_NAME=$(echo \"$INPUT\" | jq -r '.tool_name')\nFILE_PATH=$(echo \"$INPUT\" | jq -r '.tool_input.file_path // .tool_input.path // \"\"')\n\nif [ -z \"$FILE_PATH\" ]; then\n  exit 0\nfi\n\n# Check if it's a CloudFormation template\nif [[ \"$FILE_PATH\" == *.cf.json ]] || [[ \"$FILE_PATH\" == *.cf.yaml ]] || [[ \"$FILE_PATH\" == *cloudformation*.yaml ]] || [[ \"$FILE_PATH\" == *cloudformation*.json ]]; then\n  echo \"☁️ Validating CloudFormation template $FILE_PATH...\" >&2\n  \n  # Try cfn-lint first (preferred)\n  if command -v cfn-lint &> /dev/null; then\n    echo \"Running cfn-lint validation...\" >&2\n    if cfn-lint \"$FILE_PATH\" 2>&1; then\n      echo \"✅ CloudFormation template validation passed\" >&2\n    else\n      echo \"❌ CloudFormation template validation failed\" >&2\n    fi\n  elif command -v aws &> /dev/null; then\n    echo \"⚠️ cfn-lint not installed, using AWS CLI validation...\" >&2\n    if aws cloudformation validate-template --template-body \"file://$FILE_PATH\" 2>/dev/null; then\n      echo \"✅ Basic CloudFormation validation passed\" >&2\n    else\n      echo \"❌ CloudFormation template validation failed\" >&2\n    fi\n  else\n    echo \"⚠️ Neither cfn-lint nor AWS CLI available for validation\" >&2\n  fi\nelse\n  echo \"File $FILE_PATH is not a CloudFormation template, skipping validation\" >&2\nfi\n\nexit 0"
}