Re: ruby-google-protobuf: Missing lib/google/protobuf directory and fails require

[Pirate Praveen <praveen@onenetbeyond.org>]

On Mon, Aug 9, 2021 at 12:12 am, Pirate Praveen 
<praveen@onenetbeyond.org> wrote:
> [copying debian-ruby list]
>
> On Sun, 08 Aug 2021 22:08:39 +0530 Akshay S Dinesh 
> <akshay@learnlearn.in> wrote:
> > Package: ruby-google-protobuf
> > Version: 3.17.3-1
> > Severity: grave
> > Justification: renders package unusable
> >
> > Dear Maintainer,
> >
> > I was trying to install gitlab to reproduce #966653
> >
> > Installed ruby-google-protobuf from experimental
> >
> > The pg_query library was erroring at startup,
> > with failure to require 'google/protobuf'
> >
> > I tried to isolate it to debian by `gem install google-protobuf`
> >
> > It worked correctly with that.
> >
> > On comparing stable version
> > 
> http://ftp.debian.org/debian/pool/main/p/protobuf/ruby-google-protobuf_3.12.4-1_amd64.deb
> > with the experimental version
> > 
> http://ftp.debian.org/debian/pool/main/p/protobuf/ruby-google-protobuf_3.17.3-1_amd64.deb
> >
> > I could see that the latter lacks the 
> ..../2.7.0/gems/lib/google/protobuf directory altogether
> >
> > The upstream gem at 
> https://rubygems.org/downloads/google-protobuf-3.17.3.gem includes
> > this lib directory with lots of ruby files
> >
> > I'm suspecting that this folder is critical to the functioning of 
> this package
> >
>
> I think this is a problem with gem2deb not including the pure ruby 
> files along with the extention. I think we have seen such issues 
> before, but don't remember how we fixed it.
>
> Another possibility is that the rules is calling ruby build only in 
> override_dh_auto_build-arch.

Adding,
ruby/lib/google usr/lib/ruby/vendor_ruby
to debian/ruby-google-protobuf.install makes require 'google/protobuf' 
to pass. This can be used as a workaround until we figure out why 
gem2deb is not installing these files even though gemspec includes them 
in files.