{
  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
  "extends": ["github>ivuorinen/renovate-config", "schedule:weekly"],
  "customManagers": [
    {
      "customType": "regex",
      "managerFilePatterns": ["^Makefile$", ".*\\.mk$"],
      "matchStrings": [
        "#\\s*renovate:\\s*datasource=(?<datasource>\\S+)\\s+depName=(?<depName>\\S+)\\n[A-Z_]+\\s*:?=\\s*(?<currentValue>v?\\d+\\.\\d+\\.\\d+\\S*)"
      ],
      "versioningTemplate": "semver"
    }
  ],
  "stabilityDays": 3,
  "packageRules": [
    {
      "matchManagers": ["custom.regex"],
      "matchFileNames": ["Makefile", "**/*.mk"],
      "groupName": "development tools",
      "schedule": ["before 6am on monday"]
    }
  ]
}