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From: Stefan Beller <>
To: Jonathan Tan <>
Cc: Prathamesh Chavan <>, git <>,
	Christian Couder <>,
	Junio C Hamano <>
Subject: Re: [PATCH v1 1/5] submodule foreach: correct '$path' in nested submodules from a subdirectory
Date: Tue, 6 Feb 2018 15:11:27 -0800
Message-ID: <> (raw)
In-Reply-To: <>

On Tue, Feb 6, 2018 at 2:54 PM, Jonathan Tan <> wrote:
> On Fri,  2 Feb 2018 10:27:41 +0530
> Prathamesh Chavan <> wrote:
>> When running 'git submodule foreach' from a subdirectory of your
> Add "--recursive".
>> repository, nested submodules get a bogus value for $sm_path:
> Maybe call it $path for now, since $sm_path starts to be recommended
> only in patches after this one.
>> For a submodule 'sub' that contains a nested submodule 'nested',
>> running 'git -C dir submodule foreach echo $path' would report
> Add "from the root of the superproject", maybe?

This command is run from the root, though the
"-C dir" should indicate that the git command runs from the subdirectory.
Not sure how much slang this is, or if it can be made easier to understand
by writing

  cd dir && git submodule foreach --recursive echo $path

but adding the "from root" part sounds like a clarification nevertheless.

>> path='../nested' for the nested submodule. The first part '../' is
>> derived from the logic computing the relative path from $pwd to the
>> root of the superproject. The second part is the submodule path inside
>> the submodule. This value is of little use and is hard to document.
>> There are two different possible solutions that have more value:
>> (a) The path value is documented as the path from the toplevel of the
>>     superproject to the mount point of the submodule.
>>     In this case we would want to have path='sub/nested'.
>> (b) As Ramsay noticed the documented value is wrong. For the non-nested
>>     case the path is equal to the relative path from $pwd to the
>>     submodules working directory. When following this model,
>>     the expected value would be path='../sub/nested'.
> A third solution is to use "nested" - that is, the name of the submodule
> directory relative to its superproject. (It's currently documented as
> "the name of the submodule directory relative to the superproject".)
> Having said that, (b) is probably better.

Oh, so the nested would just report "nested/" as that is the path
from its superproject to its location. The value does not change depending
on where the command is invoked, or whether it is an actual nested or direct
submodule? The latter part sounds like a slight modification of (a), but the
former part sounds like a completely new version (c).

  parent reply index

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-02  4:57 [PATCH v1 0/5] Incremental rewrite of git-submodules Prathamesh Chavan
2018-02-02  4:57 ` [PATCH v1 1/5] submodule foreach: correct '$path' in nested submodules from a subdirectory Prathamesh Chavan
2018-02-06 22:54   ` Jonathan Tan
2018-02-06 23:00     ` Jonathan Tan
2018-02-06 23:11     ` Stefan Beller [this message]
2018-02-02  4:57 ` [PATCH v1 2/5] submodule foreach: document '$sm_path' instead of '$path' Prathamesh Chavan
2018-02-02  4:57 ` [PATCH v1 3/5] submodule foreach: clarify the '$toplevel' variable documentation Prathamesh Chavan
2018-02-02  4:57 ` [PATCH v1 4/5] submodule foreach: document variable '$displaypath' Prathamesh Chavan
2018-02-02  4:57 ` [PATCH v1 5/5] submodule: port submodule subcommand 'foreach' from shell to C Prathamesh Chavan

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