Re: [PATCH 01/18] streaming: rename `git_istream` into `odb_read_stream`

From: Junio C Hamano <gitster@pobox.com>
Date: Nov 19, 2025, 20:04 UTC
Message-ID: <xmqqikf5bxg8.fsf@gitster.g>
In-Reply-To: <2nd7qcj7jrrwc4fyhfsovs3ptrwmrdxxcap4sqadujtwwua5ha@bpbjlbnbcpiw>

Justin Tobler <jltobler@gmail.com> writes:

Show 13 quoted lines

> On 25/11/19 08:47AM, Patrick Steinhardt wrote:
>> In the following patches we are about to make the `git_istream` more
>> generic so that it becomes fully controlled by the specific object
>> source that wants to create it. As part of these refactorings we'll
>> fully move the structure into the object database subsystem.
>
> Ok, so looking at the current implementation of `git_istream`, it does
> appear to be already defined in a somewhat generic manner as it supports
> reading loose/packed objects. What sources are supported are all
> centrally defined in "streaming.c" though. It sounds like we eventually
> want each source to fully control this interface without having to go
> through "streaming.c" to setup each source stream type which makes
> sense.

As the original inventor of git_istream abstraction, I fully agree with this direction.

Thanks for cleaning up, and thanks for reviewing.

Show 22 quoted lines

>
>> Prepare for this change by renaming the structure from `git_istream`
>> to `odb_read_stream`. This mirrors the `odb_write_stream` structure that
>> we already have.
>> 
>> Signed-off-by: Patrick Steinhardt <ps@pks.im>
>> ---
>> diff --git a/streaming.h b/streaming.h
>> index bd27f59e57..acf4c84338 100644
>> --- a/streaming.h
>> +++ b/streaming.h
>> @@ -7,14 +7,14 @@
>>  #include "object.h"
>>  
>>  /* opaque */
>> -struct git_istream;
>> +struct odb_read_stream;
>
> The name change here makes sense. While we are here, it might be nice to
> leave a comment annotating it's purpose in a bit more detail.
>
> -Justin