patterns-devel-osc from home:louis94_m:freeciv21 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/home:louis94_m:freeciv21/openSUSE_Tumbleweed/home:louis94_m:freeciv21.repo zypper refresh zypper install patterns-devel-osc