.github/renovate.json

{
  "extends": ["config:recommended", "schedule:weekly"],
  "enabledManagers": ["custom.regex"],
  "customManagers": [
    {
      "customType": "regex",
      "fileMatch": ["^MODULE\\.bazel$"],
      "matchStrings": [
        "llvm_ext\\.configure\\(commit\\s*=\\s*\"(?<currentDigest>[0-9a-f]+)\"\\)"
      ],
      "currentValueTemplate": "main",
      "packageNameTemplate": "https://github.com/llvm/llvm-project",
      "datasourceTemplate": "git-refs"
    }
  ]
}