$ git clone -n https://src.fedoraproject.org/rpms/gnome-desktop3.git /var/lib/mock/f33-build-343386-59001/root/chroot_tmpdir/scmroot/gnome-desktop3
Cloning into '/var/lib/mock/f33-build-343386-59001/root/chroot_tmpdir/scmroot/gnome-desktop3'...
$ git reset --hard 331b214ce815bd934d7d9576b472870cb9a86c34
HEAD is now at 331b214 Update to 3.38.1