From b2f3ab2efc270956a63387c58667c27f1c3248e3 Mon Sep 17 00:00:00 2001
From: Tim Abbott <tabbott@zulipchat.com>
Date: Mon, 13 Aug 2018 15:28:33 -0700
Subject: [PATCH] Use bash as the shell.

This in particular lets us set `-u pipefail` to have better error
handling.
---
 Dockerfile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Dockerfile b/Dockerfile
index cac28b3..092c28c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -10,7 +10,7 @@ LABEL maintainer="Alexander Trost <galexrt@googlemail.com>"
 ARG ZULIP_GIT_URL=https://github.com/zulip/zulip.git
 ARG ZULIP_GIT_REF=1.9.0-rc1
 
-SHELL ["/bin/sh", "-xc"]
+SHELL ["/bin/bash", "-xuo", "pipefail", "-c"]
 
 # First, we setup working locales
 RUN echo 'APT::Install-Recommends 0;' >> /etc/apt/apt.conf.d/01norecommends && \