From aaa11c4c87ca0a304bad149e37d2682bfac80351 Mon Sep 17 00:00:00 2001
From: AJ ONeal <coolaj86@gmail.com>
Date: Thu, 26 Jul 2018 16:35:04 -0600
Subject: [PATCH] ignore bad logname on some linuxes

---
 usr/share/install_helper.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/usr/share/install_helper.sh b/usr/share/install_helper.sh
index 9b8e16d..6dc1e6e 100644
--- a/usr/share/install_helper.sh
+++ b/usr/share/install_helper.sh
@@ -33,7 +33,8 @@ set -u
 
 TELEBIT_DEBUG=${TELEBIT_DEBUG:-}
 
-if [ "$(logname)" != "$(id -u -n)" ]; then
+# NOTE: On OS X logname works from a pipe, but on Linux it does not
+if [ -n "$(logname >2/dev/null | grep '.')" ] && [ "$(logname)" != "$(id -u -n)" ]; then
   echo "WARNING:"
   echo "    You are logged in as '$(logname)' but acting as '$(id -u -n)'."
   echo "    If the installation is not successful please log in as '$(id -u -n)' directly."