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Re: [PATCH 3/8] Doc/gitsubmodules: specify how submodules help in reduced size




On Tue, Jan 9, 2018 at 8:01 AM, Kaartic Sivaraam
<kaartic.sivaraam@xxxxxxxxx> wrote:
> On Tuesday 09 January 2018 12:08 AM, Stefan Beller wrote:
>>> diff --git a/Documentation/gitsubmodules.txt b/Documentation/gitsubmodules.txt
>>> index cb795c6b6..3f73983d5 100644
>>> --- a/Documentation/gitsubmodules.txt
>>> +++ b/Documentation/gitsubmodules.txt
>>> @@ -63,6 +63,9 @@ Submodules can be used for at least two different use cases:
>>>      * Transfer size:
>>>        In its current form Git requires the whole working tree present. It
>>>        does not allow partial trees to be transferred in fetch or clone.
>>> +      If you have your project as multiple repositories tied together as
>>> +      submodules in a superproject, you can avoid fetching the working
>>> +      trees of the repositories you are not interested in.
>>
>> You do not fetch a working tree, but a whole repository?
>>
>
> Maybe I misunderstood submodules when I wrote that example. Could you
> help out with a better and precise replacement?

If your project consists of multiple repositories tied together, some submodules
may not be of interest for all users, who do not need to fetch such submodule
repositories.

> Just putting in some context as to why I did this change, I thought this
> was the only thing that lacked an example and wanted to make it consistent.

Oh, sure I like the example; I was just worried about the wording, as a worktree
is part of a repository, and the repository is the whole thing. In the
current situation
you can only fetch all-or-nothing, specifically you cannot fetch "just
the worktree"
(a shallow clone/fetch is the closest to that, but that still has the
same amount of
information the .git dir, than in the working tree)