From d74f03af843c71872e60af4a59204a6cab4cd934 Mon Sep 17 00:00:00 2001
From: Eric Garver <eric@garver.life>
Date: Mon, 22 Jul 2019 14:48:19 -0400
Subject: [PATCH 13/20] test: functions: add CHOMP macro for shell output

chomps all trailing newlines by exploiting posix shell behavior for
variable expansion.

(cherry picked from commit a8b90c38c19732f3dc9ca5cfedc10bb54c0d84bf)
---
 src/tests/functions.at | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/tests/functions.at b/src/tests/functions.at
index 28af5a7fc532..8aeaf158a066 100644
--- a/src/tests/functions.at
+++ b/src/tests/functions.at
@@ -226,7 +226,8 @@ m4_define([FWD_GREP_LOG], [
 m4_define([TRIM], [[sed -e 's/^[ \t]*//' -e 's/[ \t]*$//']])
 m4_define([TRIMV], [[sed -e '/^[ \t]*$/d']])
 m4_define([TRIM_INTERNAL], [[sed -e 's/[ \t]\+/ /g']])
-m4_define([TRIM_WHITESPACE], [TRIM | TRIMV | TRIM_INTERNAL])
+m4_define([CHOMP], [printf "%s" "$(cat /dev/stdin)"])
+m4_define([TRIM_WHITESPACE], [TRIM | TRIMV | TRIM_INTERNAL | { CHOMP; echo; }])
 
 dnl m4sugar's m4_strip has a bug that causes it to print a space after
 dnl newlines. So implement our own suck-less version.
-- 
2.20.1