rubygem-ruby-progressbar from devel:libraries:libyui project
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Add repository and install manually
For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/devel:libraries:libyui/openSUSE_Tumbleweed/devel:libraries:libyui.repo zypper refresh zypper install rubygem-ruby-progressbar