Re: [PATCH] lockfile: add case insensitive filesystem note

> From: Alan Da Costa <alandacosta@gmail.com>
> When running git fetch or git pull on a case insensitive filesystem
> (e.g., default macOS), if multiple case variants of the same remote ref
> exist (often after a case-only rename), both variant locks map to the
> same on-disk path. When a local update is required, Git creates a lock
> for the first variant and then attempts to lock the second, which
> collides with the same lock file, so an “existing lock” error is
> reported. The underlying issue is mixed-case refs; resolve it by
> consolidating the remote to a single-case variant and update local refs
> accordingly.