Hi Pedro,
> I don't think evaluation an exs to get a list will make a `mix.deps.add`
reliable once we could put any elixir code on that file as well.
Well, as long as the file only consists only a list, there is no problem
with it. You can even have code inside the list, like
[
{:my_dep, System.get_env("DEP_VER")}
]
But it should't have anything other then a list, for example this should't
work:
# deps.exs
f = fn -> System.get_env("DEP_VER")
[{:my_dep, f.() }]
And you can check that really simple, and print something..
Am Freitag, 10. Mai 2019 16:02:51 UTC+2 schrieb Pedro Medeiros:
>
> Hi boris 👋🏼
>
> there was an old discussion on the list about that
>
>
> https://groups.google.com/forum/#!searchin/elixir-lang-core/mix$20add|sort:date/elixir-lang-core/ULBzKNCjYvY/XgwwrdepBgAJ
>
> the main thing that came was "The dependency file for mix is an Elixir
> program rather than just a simple JSON file. There's no way reliably and
> safely programatically modify the mix.exs file as a result."
>
> I don't think evaluation an exs to get a list will make a `mix.deps.add`
> reliable once we could put any elixir code on that file as well.
>
> Le ven. 10 mai 2019, à 06 h 09, 'boris kotov' via elixir-lang-core <
> [email protected] <javascript:>> a écrit :
>
>> Right now, its a bit annoying to lookup the version on hex, and then
>> manually adding it to the deps function.
>>
>> There was a discussion back in 2017 on this.
>> https://elixirforum.com/t/mix-deps-add-functionality/4856/7
>> The main problem people have thought about was manipulation of mix.exs,
>> and true, we don't want that.
>>
>> Instead we can use a simple exs file for this, which should be
>> evaluatable to a list. So its a no-brainer to add items to it. For example
>> `mix deps.add jason`.
>>
>> defp deps, do: Code.eval_file("deps.exs")
>>
>> I am posting it here, to get some feedback on that feature, but I think
>> the integration could go into hex only and if its adopted, adding the
>> `deps.exs` file to the `mix new`-templates so please, share you opinions on
>> it.
>>
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>
>
> --
> Pedro Henrique de Souza Medeiros
> ----------------------------------
> Cel: +1 (514) 641-5031
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>
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