From 6c736fa47202bcffb4f056d6e5b2f12424e9f758 Mon Sep 17 00:00:00 2001
From: Dan Callahan <danc@element.io>
Date: Thu, 21 Oct 2021 22:58:48 +0100
Subject: [PATCH] Fix Shellcheck SC2154: variable possibly undefined
var is referenced but not assigned.
https://github.com/koalaman/shellcheck/wiki/SC2154
Signed-off-by: Dan Callahan <danc@element.io>
---
docker/build_debian.sh | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/docker/build_debian.sh b/docker/build_debian.sh
index 801ff45471..1d0be42cfc 100644
--- a/docker/build_debian.sh
+++ b/docker/build_debian.sh
@@ -5,7 +5,7 @@
set -ex
# Get the codename from distro env
-DIST=`cut -d ':' -f2 <<< $distro`
+DIST=`cut -d ':' -f2 <<< ${distro:?}`
# we get a read-only copy of the source: make a writeable copy
cp -aT /synapse/source /synapse/build
--
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