From ea29f12c98abae9ca16a7095a1ff162adf29f031 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jakobus=20Sch=C3=BCrz?= <jakobus.schuerz>
Date: Wed, 15 Jan 2020 18:09:34 +0100
Subject: [PATCH] change test if shell is interactive

---
 bashrc_add | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/bashrc_add b/bashrc_add
index ded762a..713cacb 100755
--- a/bashrc_add
+++ b/bashrc_add
@@ -5,7 +5,10 @@
 if [ -z ${SSHS+x} ]; then SSHS=false;fi
 
 # check if we are a interactive shell
-if [ -n "$PS1" ] ;then
+# https://guide.bash.academy/expansions/
+# https://www.tldp.org/LDP/abs/html/refcards.html#AEN22473
+if [[ $- = *i* ]] ; then
+#if [ -n "$PS1" ] ;then
     #echo "interactive shell" >&2