$ git clone -n https://src.fedoraproject.org/rpms/emacs-vm.git /var/lib/mock/f29-build-2185-668/root/thebuilddir/tmp/scmroot/emacs-vm
Cloning into '/var/lib/mock/f29-build-2185-668/root/thebuilddir/tmp/scmroot/emacs-vm'...
$ git reset --hard 559f11cd60ae25f9beecbf2a7a9ca63a1adcc85b
HEAD is now at 559f11c - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild