packageRules.*.matchManagers for a customManger?

[znd4]

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Self-hosted Renovate

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github

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I'm planning to have different fields in the same file(s) -- stagingVersion and stableVersion. I want all updates, including prereleases, to make it to stagingVersion, and only want "stable" updates (major, minor, and patch) to make it to stableVersion.

With that in mind, is there a way to associate a patternRule to a customManager (like matchManagers)? e.g. it would be great to be able to assign a name to a customManager:

{
  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
  "extends": [
    "config:recommended"
  ],
  "packageRules": [
    {
      "matchUpdateTypes": ["major", "minor", "patch"],
      "matchManagers": ["custom.stable"],
    },
  ],
  "customManagers": [
    {
      "name": "staging",
      // ...
    },
    {
      "name": "stable",
      // ...
    },
  ]
}

If this approach is a dead end, is there another way to accomplish my goal? (just trying renovate out now, so sorry if I'm missing something obvious)

Logs (if relevant)

Logs

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[rarkins]

IIRC @RahulGautamSingh and @secustor were discussing this

[secustor]

Yes, it came up again while discussing the implementation of the json custom manager.
Tracking issue #21760