ruby2.5-rubygem-devise.ppc64le: W: description-shorter-than-summary
rubygem-devise.src: W: description-shorter-than-summary
The package description should be longer than the summary. be a bit more
verbose, please.

ruby2.5-rubygem-devise.ppc64le: W: hidden-file-or-dir /usr/lib64/ruby/gems/2.5.0/gems/devise-4.4.1/.travis.yml
ruby2.5-rubygem-devise.ppc64le: W: hidden-file-or-dir /usr/lib64/ruby/gems/2.5.0/gems/devise-4.4.1/.yardopts
The file or directory is hidden. You should see if this is normal, and delete
it from the package if not.

ruby2.5-rubygem-devise.ppc64le: W: script-without-shebang /usr/lib64/ruby/gems/2.5.0/gems/devise-4.4.1/lib/devise.rb
ruby2.5-rubygem-devise.ppc64le: W: script-without-shebang /usr/lib64/ruby/gems/2.5.0/gems/devise-4.4.1/lib/generators/templates/devise.rb
ruby2.5-rubygem-devise-testsuite.ppc64le: W: script-without-shebang /usr/lib64/ruby/gems/2.5.0/gems/devise-4.4.1/test/devise_test.rb
This text file has executable bits set or is located in a path dedicated for
executables, but lacks a shebang and cannot thus be executed.  If the file is
meant to be an executable script, add the shebang, otherwise remove the
executable bits or move the file elsewhere.

ruby2.5-rubygem-devise.ppc64le: W: version-control-internal-file /usr/lib64/ruby/gems/2.5.0/gems/devise-4.4.1/.gitignore
You have included file(s) internally used by a version control system in the
package. Move these files out of the package and rebuild it.

ruby2.5-rubygem-devise-testsuite.ppc64le: W: zero-length /usr/lib64/ruby/gems/2.5.0/gems/devise-4.4.1/test/rails_app/public/favicon.ico
4 packages and 0 specfiles checked; 0 errors, 9 warnings.