From ae2b2febe9034d786e18f85ede9fc85b719f0c7c Mon Sep 17 00:00:00 2001
From: Jose Diaz-Gonzalez <josegonzalez@users.noreply.github.com>
Date: Thu, 31 Dec 2015 08:22:38 -0500
Subject: [PATCH] Enable debugging support to debian preinst hook

It is now possible to turn on debugging during an apt-get run by using `TRACE=1`
---
 debian/preinst | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/debian/preinst b/debian/preinst
index 2f214d472..65f04f69c 100755
--- a/debian/preinst
+++ b/debian/preinst
@@ -1,5 +1,5 @@
-#!/bin/sh
-set -e
+#!/bin/bash
+set -eo pipefail; [[ $TRACE ]] && set -x
 
 . /usr/share/debconf/confmodule