Jens Lehmann <jens.lehm...@web.de> writes:
> Am 12.03.2013 17:01, schrieb Phil Hord:
>> On Sat, Mar 9, 2013 at 1:18 PM, Jens Lehmann <jens.lehm...@web.de> wrote:
>>> Am 05.03.2013 22:17, schrieb Phil Hord:
>>>> On Tue, Mar 5, 2013 at 3:51 PM, Jens Lehmann <jens.lehm...@web.de> wrote:
>>>>> Am 05.03.2013 19:34, schrieb Junio C Hamano:
>>>>>> Eric Cousineau <eacousin...@gmail.com> writes:
>>>>>> I am not entirely convinced we would want --include-super in the
>>>>>> first place, though. It does not belong to "submodule foreach";
>>>>>> it is doing something _outside_ the submoudules.
>>>>> I totally agree with that. First, adding --include-super does not
>>>>> belong into the --post-order patch at all, as that is a different
>>>>> topic (even though it belongs to the same use case Eric has). Also
>>>>> the reason why we are thinking about adding the --post-order option
>>>>> IMO cuts the other way for --include-super: It is so easy to do
>>>>> that yourself I'm not convinced we should add an extra option to
>>>>> foreach for that, especially as it has nothing to do with submodules.
>>>>> So I think we should just drop --include-super.
FWIW, after thinking about it a bit more and especially after
thinking about the nested submodule layout, I changed my mind.
The reasoning is very simple. In short, your "top-level" may be
somebody else's submodule.
If you have a project A, that has a submodule B & C that in turn
have submodules D, E & F, G, like this:
/ \ / \
D E F G
you may want your "submodule foreach [--post-order]" that is run at
the top-level to visit B D E C F G (or D E B F G C). A is not a
submodule, and it may be rational to do without --also-toplevel
option from the point of view of yourself.
But if "submodule foreach [--post-order] B" run at the top-level
visits B D E (or D E B), wouldn't it be more natural if you had a
way to optionally make this
cd B && submodule foreach [--post-order]
visit the same modules in the same way? The story is the same if
your top-level project A is bound at a path in somebody else's
project as a submodule. His "submodulle foreach" will visit your
top-level A while visiting the hierarchy of your submodules (and
other submodules he has as your siblings).
I do not know if foreach should visit your top-level by default;
changing that may be too late and too disruptive. But I think an
optional "I want this traversal to also visit the top" would not be
so _wrong_ even at the conceptual level.
Of course, it may make the implementation simpler, too ;-) foreach
could just scan the immediate submodules, chdir into each of them
and then run the equivalent foreach with --also-toplevel option,
with the same --post-order (or --pre-order) option.
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