Can't initialise vendored submodule

[Arnaud Spiwack]

Thanks Matthew, this helped me find the solution.

Which, is turn out, was simply to remove the old directory:

$  rm -rf .git/modules/hadrian/

It's not removed by `git submodule desync` or any command that I could find
(though, now that I think about it, I didn't try to garbage collect the
repo, so maybe?). But it's sound to just delete, as far as I can tell: it's
just a cache.

> The usage of submodules in `hadrian/vendored` is a standard usage.

This goes to show that I was at least right when saying that submodules are
wonky :D .

On Fri, 2 Aug 2024 at 12:11, Matthew Pickering <matthewtpickering at gmail.com>
wrote:

> It seems you might have a some very old configuration from when hadrian
> used to be a submodule? Perhaps a fresh clone would help things along?
>
> The usage of submodules in `hadrian/vendored` is a standard usage.
>
> Cheers,
>
> Matt
>
> On Fri, Aug 2, 2024 at 11:08 AM Vaibhav Sagar <vaibhavsagar at gmail.com>
> wrote:
>
>> I think you want --recursive
>>
>> On Fri, 2 Aug 2024, 8:05 pm Arnaud Spiwack, <arnaud.spiwack at tweag.io>
>> wrote:
>>
>>> Dear all,
>>>
>>> I'm currently unable to build GHC's master branch as some of the
>>> submodules (presumably used by Hadrian) are making git pretty unhappy (I've
>>> used various variants of the command below, in a cleaned repository):
>>>
>>> ```console
>>> $  git submodule update --init
>>> error: submodule git dir
>>> '/home/aspiwack/projects/tweag/ghc/master/.git/modules/hadrian/vendored/Cabal'
>>> is inside git dir
>>> '/home/aspiwack/projects/tweag/ghc/master/.git/modules/hadrian'
>>> fatal: refusing to create/use
>>> '/home/aspiwack/projects/tweag/ghc/master/.git/modules/hadrian/vendored/Cabal'
>>> in another submodule's git dir
>>> Failed to clone 'hadrian/vendored/Cabal'. Retry scheduled
>>> error: submodule git dir
>>> '/home/aspiwack/projects/tweag/ghc/master/.git/modules/hadrian/vendored/Cabal'
>>> is inside git dir
>>> '/home/aspiwack/projects/tweag/ghc/master/.git/modules/hadrian'
>>> fatal: refusing to create/use
>>> '/home/aspiwack/projects/tweag/ghc/master/.git/modules/hadrian/vendored/Cabal'
>>> in another submodule's git dir
>>> Failed to clone 'hadrian/vendored/Cabal' a second time, aborting
>>> ```
>>>
>>> Please advise on how to get unblocked.
>>>
>>> And, if I'm allowed to conclude with a plea: please be careful not to
>>> abuse Git's submodule system, it's wonky enough when used simply.
>>>
>>> --
>>> Arnaud Spiwack
>>> Director, Research at https://moduscreate.com and https://tweag.io.
>>> _______________________________________________
>>> ghc-devs mailing list
>>> ghc-devs at haskell.org
>>> http://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-devs
>>>
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>

-- 
Arnaud Spiwack
Director, Research at https://moduscreate.com and https://tweag.io.
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