[tor-commits] [chutney/master] fix unset-variable error in warnings.sh

[nickm at torproject.org]

commit 3637b58c68f17982de06c7f0b14a3f3d72762140
Author: Nick Mathewson <nickm at torproject.org>
Date:   Wed Jun 24 12:09:40 2020 -0400

    fix unset-variable error in warnings.sh
---
 tools/warnings.sh | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/warnings.sh b/tools/warnings.sh
index c3b3432..f481639 100755
--- a/tools/warnings.sh
+++ b/tools/warnings.sh
@@ -127,6 +127,10 @@ if [ -t 1 ]; then
     NC=$(tput sgr0)
     YELLOW=$(tput setaf 3)
     GREEN=$(tput setaf 2)
+else
+    NC=""
+    YELLOW=""
+    GREEN=""
 fi
 
 NAME=$(basename "$0")