Re: [PATCH 00/30] [RFC] extensions.refFormat and packed-refs v2 file format

> On 11/28/2022 1:56 PM, Han-Wen Nienhuys wrote:
>> * Worktrees and the main repository have a separate view of the ref
>> namespace. This is not explicit in the ref backend API, and there is a
>> technical limitation that the packed-refs file cannot be in a
>> worktree. This means that worktrees will always continue to use
>> loose-ref storage if you only extend the packed-refs backend.
> 
> If I'm understanding it correctly [1], only the special refs (like HEAD or
> REBASE_HEAD) are worktree-specific, and all refs under "refs/*" are
> repository-scoped. I don't actually think of those special refs as "loose"
> refs and thus they should still work under the "only packed-refs" value
> for extensions.refFormat. I should definitely cover this in the
> documentation, though. Also, [1] probably needs updating because it calls
> HEAD a pseudo ref even though it explicitly is not [2].
>