$ git clone -n https://src.fedoraproject.org/rpms/golang-github-spf13-viper.git /var/lib/mock/f39-build-1675073-40912/root/chroot_tmpdir/scmroot/golang-github-spf13-viper
Cloning into '/var/lib/mock/f39-build-1675073-40912/root/chroot_tmpdir/scmroot/golang-github-spf13-viper'...
$ git fetch origin 7d04a9e66365376f8d774cb9df90978d91ddadc4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-spf13-viper
 * [new ref]         7d04a9e66365376f8d774cb9df90978d91ddadc4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7d04a9e Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild