27. Mar 2016 16:29 by rain1@openmailbox.org:


> On 2016-03-26 22:49, > vincent@cloutier.co>  wrote:
>> Even though I don't know if I am accepted for GSoC yet, I thought it
>> would be nice to start contributing now! :)
>>
>> I started by adding the gem wayback_machine_downloader (a very useful
>> piece of software by the way).
>>
>> So I used `guix edit ruby` and I copied it in the Documents folder.
>> Then I added somewhere in the middle of the file:
>>
>> (define-public wayback-machine-downloader
>>  (package
>>  (name "wayback-machine-downloader")
>>  (version "0.2.1")
>>  (source
>>  (origin
>>  (method url-fetch)
>>  (uri (rubygems-uri
>>  "wayback_machine_downloader"
>>  version))
>>  (sha256
>>  (base32
>>  "1nrwm5bc7vqm02m2x0lylxyya446kg0spg6ksi7dfkrad0l9jq8y"))))
>>  (build-system ruby-build-system)
>>  (arguments
>>  `(#:tests? #f ; no rakefile
>>  ))
>>
>>  (native-inputs
>>  `(("ruby-rake-compiler" ,ruby-rake-compiler)
>>  ("ruby-minitest" ,ruby-minitest)))
>>
>>  (synopsis
>>  "Download website from archive.org's Wayback Machine")
>>  (description
>>  "Download any website from the Wayback Machine. Wayback Machine by
>> Internet Archive (archive.org) is an awesome tool to view any website
>> at any point of time but lacks an export feature. Wayback Machine
>> Downloader brings exactly this.")
>>  (home-page
>>  ">> https://github.com/hartator/wayback-machine-downloader>>  [1]")
>>  (license expat)))
>>
>> Then I ran: `guix package -i wayback-machine-downloader -f
>> ~/Documents/ruby` and it successfully installed.
>>
>> So my questions are:
>>
>> 1) Do you guys and gals have a better workflow that includes the git
>> repo, so I can send a patch? All I saw in the documentation was about
>> building guix itself. I guess I could clone somewhere and use `guix
>> package -f`, but will this be a reliable way of testing? And will this
>> make my guix less stable on the long run?
>>
>> 2) Should I add "ruby-" before the name of the package? I know
>> technically all gems should have "ruby-" before the name, but this is
>> designed to be use independently. Could it have multiple names, or is
>> it a bad idea?
>>
>> 3) Where does this package belong in the directory?
>>
>> 4) Is the package declaration itself all right? Are packages sorted or
>> organized in any way?
>>
>> 5) I speak fluent French, can I add a description and summary in
>> French?
>>
>> Thanks!
>> Vincent
>>
>>
>> Links:
>> ------
>> [1] >> https://github.com/hartator/wayback-machine-downloader
>
> Hello!
>
> I tested this out on guixsd, I changed (license expat) to (license 
> license:expat)




Going to fix it.




> and it built fine but when I tried to run it I got this error: 
>
>
> ~$ wayback_machine_downloader
> /gnu/store/jaf2s3paa3fswfpzi6amlqjxd3fwiw9x-ruby-2.3.0/lib/ruby/2.3.0/rubygems/dependency.rb:319:in 
> `to_specs': Could not find 'wayback_machine_downloader' (>= 0.a) among 11 
> total gem(s) (Gem::LoadError)
> Checked in 
> 'GEM_PATH=/home/rain/.gem/ruby/2.3.0:/gnu/store/jaf2s3paa3fswfpzi6amlqjxd3fwiw9x-ruby-2.3.0/lib/ruby/gems/2.3.0', 
> execute `gem env` for more information
> 	from 
> /gnu/store/jaf2s3paa3fswfpzi6amlqjxd3fwiw9x-ruby-2.3.0/lib/ruby/2.3.0/rubygems/dependency.rb:328:in 
> `to_spec'
> 	from 
> /gnu/store/jaf2s3paa3fswfpzi6amlqjxd3fwiw9x-ruby-2.3.0/lib/ruby/2.3.0/rubygems/core_ext/kernel_gem.rb:65:in 
> `gem'
> 	from /home/rain/.guix-profile/bin/wayback_machine_downloader:22:in 
> `<main>'
>
> I'm not sure what the fix would be.




It worked for me when I added `export 
GEM_PATH="/home/vincent/.guix-profile/lib/ruby/gems/2.3.0"
` to my bashrc. I run Guix on top of Debian, so there might be subtle 
difference with ruby gems on GuixSD.