Stefan Beller <sbeller@xxxxxxxxxx> writes:
> Sometimes the history of a submodule is not considered important by
> the projects upstream. To make it easier for downstream users, allow
> a field 'submodule.<name>.depth' in .gitmodules, which can be used
> to indicate the recommended depth.
I have a design-level question.
If your project consists of 600 submodules, among which 40 of them
you would recommend making a shallow clone, are there traits, other
than "most people would not care about its history", that are shared
across these 40 subprojects?
What I am trying to get at is that after adding .shallow annotation
to these 40 submodules in .gitmodules, the project may need to add a
different annotation for the same 40 submodules to control another
operation. Which would be cumbersome, and a level of redirection
might be a good way to solve it.
IIRC, earlier you had talked about a vision where you can just say
'submodule init --group=framework' to prepare your top-level project
tree with its submodules in a state suitable to work on 'the
framework part of the project', and the 'app' folks can substitute
'framework' with 'app' in that command. I thought the earlier
defaultGroup work (and the attribute limited pathspec work that lays
groundwork for it) was part of that effort.
Perhaps when a user says "submodule init --group=framework", that
"framework" can choose some "developer profile" that indirectly
specifies things like which group of submodules to initialize, which
group of submodules can be shallow, etc.?
Just a strawman (without worrying about details and expressiveness
of the syntax), I am wondering if you want something like this in
your .gitmodules:
[profile "framework"]
initialize = $submodule_spec
shallow = $submodule_spec
...
[submodule "kernel"]
url = ...
path = ...
...
where $submodule_spec would be a way to choose modules by various
means. You may name them by their names. You may name them by
their paths. With the submodule-pathspec topic graduated, you may
use ":(attr:framework)*" to choose them by attribute limited
pathspec.
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