make-cabal-install-1.20 is deprecated

helpers/make-cabal-install-1.20

-#!/bin/sh
-#
-#    Copyright (C) 2015 fr33domlover <fr33domlover@riseup.net>
-#
-#    This program is free software; you can redistribute it and/or modify
-#    it under the terms of the GNU General Public License as published by
-#    the Free Software Foundation; either version 3 of the License, or
-#    (at your option) any later version.
-#
-#    This program is distributed in the hope that it will be useful,
-#    but WITHOUT ANY WARRANTY; without even the implied warranty of
-#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-#    GNU General Public License for more details.
-#
-#    You should have received a copy of the GNU General Public License
-#    along with this program. If not, see <http://www.gnu.org/licenses/>.
-
-VERSION=1
-EXTERNAL='deb-src http://ppa.launchpad.net/hvr/ghc/ubuntu $UPSTREAM main'
-REPOKEY=FF3AEACEF6F88286
-
-. ./config
-
-changelog "Bring recent cabal-install from PPA"
-
-compile