ruby2.5-rubygem-term-ansicolor.s390x: W: hidden-file-or-dir /usr/lib64/ruby/gems/2.5.0/gems/term-ansicolor-1.6.0/.travis.yml
ruby2.5-rubygem-term-ansicolor.s390x: W: hidden-file-or-dir /usr/lib64/ruby/gems/2.5.0/gems/term-ansicolor-1.6.0/lib/term/ansicolor/.keep
The file or directory is hidden. You should see if this is normal, and delete
it from the package if not.

ruby2.5-rubygem-term-ansicolor.s390x: W: version-control-internal-file /usr/lib64/ruby/gems/2.5.0/gems/term-ansicolor-1.6.0/.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-term-ansicolor.s390x: W: zero-length /usr/lib64/ruby/gems/2.5.0/gems/term-ansicolor-1.6.0/lib/term/ansicolor/.keep
3 packages and 0 specfiles checked; 0 errors, 4 warnings.