$ git clone -n https://src.fedoraproject.org/rpms/kBuild.git /var/lib/mock/f31-build-56263-28207/root/chroot_tmpdir/scmroot/kBuild
Cloning into '/var/lib/mock/f31-build-56263-28207/root/chroot_tmpdir/scmroot/kBuild'...
$ git reset --hard 349ade1acbf8e71cf9ea692cd71c59aebec15571
HEAD is now at 349ade1 Trust in the upstream that has the correct support for aarch64 and ppc64le