Para openSUSE Factory RISCV execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/devel:tools:compiler/openSUSE_Factory_RISCV/devel:tools:compiler.repo
zypper refresh
zypper install zig
Para openSUSE Factory execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/devel:tools:compiler/openSUSE_Factory/devel:tools:compiler.repo
zypper refresh
zypper install zig
Para 16.0 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/devel:tools:compiler/16.0/devel:tools:compiler.repo
zypper refresh
zypper install zig
Para 15.6 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/devel:tools:compiler/15.6/devel:tools:compiler.repo
zypper refresh
zypper install zig