AI / RenovateBot Interview Questions
What are packageRules in Renovate and how do you use them to customise update behaviour per package?
packageRules is an array of rule objects combining match criteria (which packages to target) with action settings. Rules are evaluated in order and all matching rules are merged.
{ "packageRules": [ { "matchPackagePatterns": ["^@myorg/"], "automerge": true, "automergeType": "branch" }, { "matchManagers": ["dockerfile"], "matchUpdateTypes": ["major"], "labels": ["docker", "major-update"], "reviewers": ["team:platform"] }, { "matchDepTypes": ["devDependencies"], "matchUpdateTypes": ["patch", "minor"], "groupName": "Dev dependency updates", "automerge": true }, { "matchPackageNames": ["node"], "enabled": false } ] }
| Match field | What it matches |
|---|---|
| matchPackageNames | Exact package name strings |
| matchPackagePatterns | Regex patterns against package names |
| matchManagers | Package manager type (npm, pip, dockerfile…) |
| matchDepTypes | Dependency type (dependencies, devDependencies…) |
| matchUpdateTypes | Update type: major, minor, patch, pin, digest |
| matchCurrentVersion | Only if current version matches this range |
In packageRules, what happens when multiple rules match the same package?
How would you disable Renovate updates for a specific package called 'legacy-sdk'?
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