[BUG]: github_repository_ruleset overrides merge queue

[purajit]

Expected Behavior

While merge queues are not yet supported, applying github_repository_ruleset should leave merge queue configuration untouched.

Actual Behavior

Applying github_repository_ruleset disables the merge queue, basically making github_repository_ruleset completely unusable and useless - and even dangerous - if you are using the merge queue. The change isn't shown on the plan either (understandably).

This is somewhat understandable since it likely edits the entire ruleset in a single query, and with merge queues not supported, this just takes default values and overrides it.

This is extraordinarily unexpected behavior. The backend should not override merge queue configurations while merge queue remains unimplemented in the API.

Terraform Version

Terraform 1.9.2 on mac arm, linux x86, github provider v6.2.3

Affected Resource(s)

• github_repository_ruleset

Terraform Configuration Files

resource "github_repository_ruleset" "repo-trunk" {
  repository  = github_repository.repo.name
  target      = "branch"
  enforcement = "active"
  ...
}

Steps to Reproduce

Either import existing ruleset, or create ruleset via terraform, then enable merge queue via UI. Then,

terraform apply -target=github_repository_ruleset.repo-trunk

Debug Output

N/A

Panic Output

N/A

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