$ git clone -n https://src.fedoraproject.org/rpms/golang-github-istio-viper.git /var/lib/mock/f38-build-side-42-init-devel-658491-26614/root/chroot_tmpdir/scmroot/golang-github-istio-viper
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-658491-26614/root/chroot_tmpdir/scmroot/golang-github-istio-viper'...
$ git fetch origin d0db6cedf47ec2b75b2b75553c0e57234cc6c8da:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-istio-viper
 * [new ref]         d0db6cedf47ec2b75b2b75553c0e57234cc6c8da -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d0db6ce Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild