dependancies for importers

dependancies for importers

[Martin Becze]

Hello,
I'm wokring on the crate importer. It currently doesn't support
versioning of dependancies and just always uses the latest version of a
given crate. Of course this would break main rust packages, so i'm
trying to add version support. To do this I need to be able it find a
dependancy in a specified semantic version range and to do this I'm
attempting to use a guile module
(https://ngyro.com/software/guile-semver/). Is it possible to package
this module then use it in an importer? Or should I just put the modules
code directly in the `guix/import` ?

Thanks,
-Martin Becze 

Re: dependancies for importers

[Efraim Flashner]

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On Wed, Sep 04, 2019 at 04:20:46AM -0700, Martin Becze wrote:
> Hello,
> I'm wokring on the crate importer. It currently doesn't support
> versioning of dependancies and just always uses the latest version of a
> given crate. Of course this would break main rust packages, so i'm
> trying to add version support. To do this I need to be able it find a
> dependancy in a specified semantic version range and to do this I'm
> attempting to use a guile module
> (https://ngyro.com/software/guile-semver/). Is it possible to package
> this module then use it in an importer? Or should I just put the modules
> code directly in the `guix/import` ?
> 

Although not actually answering your question, what about modifying the
crate importer to allow for getting a specific version? For example
'guix import crate addr2line/0.9' or '/0.9.0'. I think it works with the
pypi importer, but I haven't inspected the code to see if that's on
purpose or a happy accident.

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Re: dependancies for importers

[Martin Becze]

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On 9/5/19 2:14 PM, Efraim Flashner wrote:
> On Wed, Sep 04, 2019 at 04:20:46AM -0700, Martin Becze wrote:
>> Hello,
>> I'm wokring on the crate importer. It currently doesn't support
>> versioning of dependancies and just always uses the latest version of a
>> given crate. Of course this would break main rust packages, so i'm
>> trying to add version support. To do this I need to be able it find a
>> dependancy in a specified semantic version range and to do this I'm
>> attempting to use a guile module
>> (https://ngyro.com/software/guile-semver/). Is it possible to package
>> this module then use it in an importer? Or should I just put the modules
>> code directly in the `guix/import` ?
>>
> Although not actually answering your question, what about modifying the
> crate importer to allow for getting a specific version? For example
> 'guix import crate addr2line/0.9' or '/0.9.0'. I think it works with the
> pypi importer, but I haven't inspected the code to see if that's on
> purpose or a happy accident.
>
yes I already did this. But it doesn't work to well if it can't also get
the correct version for the dependencies.


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