ruby2.5-rubygem-childprocess-testsuite-2.0.x86_64: W: filename-too-long-for-joliet ruby2.5-rubygem-childprocess-testsuite-2.0-2.0.0-bp155.2.12.x86_64.rpm This filename is too long to fit on a joliet filesystem (limit is 64 unicode chars). ruby2.5-rubygem-childprocess-2.0.x86_64: W: hidden-file-or-dir /usr/lib64/ruby/gems/2.5.0/gems/childprocess-2.0.0/.document ruby2.5-rubygem-childprocess-2.0.x86_64: W: hidden-file-or-dir /usr/lib64/ruby/gems/2.5.0/gems/childprocess-2.0.0/.rspec ruby2.5-rubygem-childprocess-2.0.x86_64: W: hidden-file-or-dir /usr/lib64/ruby/gems/2.5.0/gems/childprocess-2.0.0/.travis.yml The file or directory is hidden. You should see if this is normal, and delete it from the package if not. ruby2.5-rubygem-childprocess-2.0.x86_64: W: no-version-in-last-changelog ruby2.5-rubygem-childprocess-doc-2.0.x86_64: W: no-version-in-last-changelog ruby2.5-rubygem-childprocess-testsuite-2.0.x86_64: W: no-version-in-last-changelog rubygem-childprocess-2.0.src: W: no-version-in-last-changelog The latest changelog entry doesn't contain a version. Please insert the version that is coherent with the version of the package and rebuild it. ruby2.5-rubygem-childprocess-2.0.x86_64: W: script-without-shebang /usr/lib64/ruby/gems/2.5.0/gems/childprocess-2.0.0/lib/childprocess/jruby/process.rb ruby2.5-rubygem-childprocess-2.0.x86_64: W: script-without-shebang /usr/lib64/ruby/gems/2.5.0/gems/childprocess-2.0.0/lib/childprocess/windows/process.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-childprocess-2.0.x86_64: W: version-control-internal-file /usr/lib64/ruby/gems/2.5.0/gems/childprocess-2.0.0/.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-childprocess-2.0.x86_64: W: zero-length /usr/lib64/ruby/gems/2.5.0/extensions/x86_64-linux/2.5.0/childprocess-2.0.0/gem.build_complete 4 packages and 0 specfiles checked; 0 errors, 12 warnings.