$ git clone -n https://src.fedoraproject.org/rpms/spice-gtk.git /var/lib/mock/f29-build-4195-1016/root/thebuilddir/tmp/scmroot/spice-gtk
Cloning into '/var/lib/mock/f29-build-4195-1016/root/thebuilddir/tmp/scmroot/spice-gtk'...
$ git reset --hard 3a1ac02575a10911b0e91ca515d0fc514cbc89b3
HEAD is now at 3a1ac02 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild