ruby2.5-rubygem-debug_inspector.x86_64: W: description-shorter-than-summary rubygem-debug_inspector.src: W: description-shorter-than-summary The package description should be longer than the summary. be a bit more verbose, please. ruby2.5-rubygem-debug_inspector-testsuite.x86_64: W: filename-too-long-for-joliet ruby2.5-rubygem-debug_inspector-testsuite-0.0.3-bp155.2.11.x86_64.rpm This filename is too long to fit on a joliet filesystem (limit is 64 unicode chars). ruby2.5-rubygem-debug_inspector.x86_64: W: hidden-file-or-dir /usr/lib64/ruby/gems/2.5.0/gems/debug_inspector-0.0.3/.travis.yml ruby2.5-rubygem-debug_inspector.x86_64: W: hidden-file-or-dir /usr/lib64/ruby/gems/2.5.0/gems/debug_inspector-0.0.3/ext/debug_inspector/.sitearchdir.time The file or directory is hidden. You should see if this is normal, and delete it from the package if not. ruby2.5-rubygem-debug_inspector.x86_64: W: script-without-shebang /usr/lib64/ruby/gems/2.5.0/gems/debug_inspector-0.0.3/Rakefile ruby2.5-rubygem-debug_inspector.x86_64: W: script-without-shebang /usr/lib64/ruby/gems/2.5.0/gems/debug_inspector-0.0.3/ext/debug_inspector/extconf.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-debug_inspector.x86_64: W: zero-length /usr/lib64/ruby/gems/2.5.0/extensions/x86_64-linux/2.5.0/debug_inspector-0.0.3/gem.build_complete ruby2.5-rubygem-debug_inspector.x86_64: W: zero-length /usr/lib64/ruby/gems/2.5.0/gems/debug_inspector-0.0.3/ext/debug_inspector/.sitearchdir.time ruby2.5-rubygem-debug_inspector.x86_64: E: devel-file-in-non-devel-package (Badness: 50) /usr/lib64/ruby/gems/2.5.0/gems/debug_inspector-0.0.3/ext/debug_inspector/debug_inspector.c A file that is needed only e.g. when developing or building software is included in a non-devel package. These files should go in devel packages. 4 packages and 0 specfiles checked; 1 errors, 9 warnings.