rocky-kiwi-descriptions/repositories/altarch-common-default.xml

<!-- There isn't a way to exclude packages from a certain repo -->
<image>
  <repository type="rpm-md" alias="sig-altarch-common" priority="5">
    <source path="http://dl.rockylinux.org/stg/sig/$releasever/altarch/$basearch/altarch-common">
      <signing key="https://git.rockylinux.org/staging/src/rocky-release-altarch/-/raw/r9/SOURCES/RPM-GPG-KEY-Rocky-SIG-AltArch"/>
    </source>
  </repository>
  <repository type="rpm-md" alias="sig-altarch-rockyrpi" priority="5">
    <source path="http://dl.rockylinux.org/stg/sig/$releasever/altarch/$basearch/altarch-rockyrpi">
      <signing key="https://git.rockylinux.org/staging/src/rocky-release-altarch/-/raw/r9/SOURCES/RPM-GPG-KEY-Rocky-SIG-AltArch"/>
    </source>
  </repository>
</image>