$ git clone -n https://src.fedoraproject.org/rpms/unity-gtk-module.git /var/lib/mock/f31-build-70638-30518/root/chroot_tmpdir/scmroot/unity-gtk-module
Cloning into '/var/lib/mock/f31-build-70638-30518/root/chroot_tmpdir/scmroot/unity-gtk-module'...
$ git reset --hard 6fbf8978d0c5e72fc254015d1abcea5f15901b13
HEAD is now at 6fbf897 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild