Re: Add an option to automatically submodule update on checkout

On 05/08, Stefan Beller wrote:

On Mon, May 8, 2017 at 7:42 AM, Randall S. Becker
[off-list ref] wrote:

quoted

On May 6, 2017 4:38 AM Ciro Santilli wrote:

quoted

This is a must if you are working with submodules, otherwise every
git checkout requires a git submodule update, and you forget it,
and things break, and you understand, and you go to stack overflow
questions
http://stackoverflow.com/questions/22328053/why-doesnt-git-checkout-automatically-do-git-submodule-update-recursive
http://stackoverflow.com/questions/4611512/is-there-a-way-to-make-git-pull-automatically-update-submodules
and you give up and create aliases :-)

The upcoming release (2.13) will have "git checkout
--recurse-submodules", which will checkout the submodules at the
commit as recorded in the superproject.

I plan to add an option "submodule.recurse" (name is subject to
bikeshedding), which would make the --recurse-submodules flag given by
default for all commands that support the flag. (Currently cooking we
have reset --recurse-submodules, already existing there is push/pull).

Well pull not so much...it'll do a recursive fetch but not a recursive
merge/rebase.  That is something on the docket to get done in the next
couple months though.

quoted

I rather like the concept of supporting --recurse-submodules. The
complexity is that the branches in all submodules all have to have
compatible semantics when doing the checkout, which is by no means
guaranteed. In the scenario where you are including a submodule from
a third-party (very common - see gnulib), the branches likely won't
be there, so you have a high probability of having the command fail
or produce the same results as currently exists if you allow the
checkout even with problems (another option?). If you have control
of everything, then this makes sense.

I am trying to give the use case of having control over everything (or
rather mixed) more thought as well, e.g. "checkout
--recurse-submodules -b <name>" may want to create the branches in a
subset of submodules as well.

Thanks, Stefan

quoted

Cheers, Randall

-- 
Brandon Williams