Re: [PATCH v4 0/1] receive-pack: optionally deny case clone refs

[Ronnie Sahlberg <sahlberg@google.com>]

On Fri, Jun 13, 2014 at 2:11 PM, Junio C Hamano <gitster@pobox.com> wrote:
> Ronnie Sahlberg <sahlberg@google.com> writes:
>
>> ... The first
>> backend will be the current files based structure but I also will add
>> an optional backend using a TDB database.
>
> I am assuming that as part of the transactions work, accesses to
> reflogs will also have their own backends?

Yes. They will be stored in the same database so that updates to refs
and reflogs will become truly atomic.

>
>> You could then very easily create a new backend, say 'struct refs_be
>> refs_files_case_insensitive' where the methods would just convert any
>> refnames to/from a case insensitive encoding before invoking the
>> default methods from the files backend.
>> Perhaps something as simple as converting any upper case characters
>> to/from '%xx' representation when accessing the actual files.
>
> Hmm... that would work only when the new implementation of Git is
> the only one that accesses the repository.  Other implementations
> (e.g. Eclipse via egit, Gerrit via jgit, etc.)  peeking into the
> same repository wouldn't know what to do with these encoded
> refnames.