$ git clone -n https://src.fedoraproject.org/rpms/gnome-shell.git /var/lib/mock/f33-build-581033-66275/root/chroot_tmpdir/scmroot/gnome-shell
Cloning into '/var/lib/mock/f33-build-581033-66275/root/chroot_tmpdir/scmroot/gnome-shell'...
$ git reset --hard 777f2e2f3dcd555ebec02877ba5fab4d03fa897d
HEAD is now at 777f2e2 Update to 3.38.4