[DRE-maint] Bug#903448: Bug#903448: ruby-websocket-parser, ruby-websocket: error when trying to install together

[Antonio Terceiro]

Control: reassign -1 ruby-websocket-parser
Control: retitle -1 ruby-websocket-parser: hijacks namespace from ruby-websocket
Control: found -1 1.0.0-1

On Tue, Jul 10, 2018 at 10:13:32AM +0200, Andreas Beckmann wrote:
> Package: ruby-websocket-parser,ruby-websocket
> Severity: serious
> User: treinen at debian.org
> Usertags: edos-file-overwrite
> Control: found -1 1.0.0-1
> Control: found -1 ruby-1.2.5-1
> 
> Hi,
> 
> automatic installation tests of packages that share a file and at the
> same time do not conflict by their package dependency relationships has
> detected the following problem:
> 
>   Selecting previously unselected package ruby-websocket.
>   Preparing to unpack .../ruby-websocket_1.2.5-1_all.deb ...
>   Unpacking ruby-websocket (1.2.5-1) ...
>   dpkg: error processing archive /var/cache/apt/archives/ruby-websocket_1.2.5-1_all.deb (--unpack):
>    trying to overwrite '/usr/lib/ruby/vendor_ruby/websocket/version.rb', which is also in package ruby-websocket-parser 1.0.0-1
>   Errors were encountered while processing:
>    /var/cache/apt/archives/ruby-websocket_1.2.5-1_all.deb
> 
> This is a serious bug as it makes installation fail, and violates
> sections 7.6.1 and 10.1 of the policy. An optimal solution would
> consist in only one of the packages installing that file, and renaming
> or removing the file in the other package. Depending on the
> circumstances you might also consider Replace relations or file
> diversions. If the conflicting situation cannot be resolved then, as a
> last resort, the two packages have to declare a mutual
> Conflict. Please take into account that Replaces, Conflicts and
> diversions should only be used when packages provide different
> implementations for the same functionality.
> 
> Here is a list of files that are known to be shared by both packages
> (according to the Contents file for sid/amd64, which may be
> slightly out of sync):
> 
>   usr/lib/ruby/vendor_ruby/websocket/version.rb
> 
> This bug is assigned to both packages. If you, the maintainers of
> the two packages in question, have agreed on which of the packages will
> resolve the problem please reassign the bug to that package. You may
> also register in the BTS that the other package is affected by the bug.

ruby-websocket-parser is using a namespace that it is no supposed to.
websocket_parser was supposed to use the `websocket_parser` namespace,
not the `websocket` one.
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