From 85161446e999cf322952c0c4b5d0854d791cd87d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Holger=20Lo=CC=88sken?= <hl@inquence.com>
Date: Mon, 8 Jun 2020 14:53:16 +0200
Subject: [PATCH] Fix wrong evaluation of env vars

---
 entrypoint.sh | 13 +++----------
 1 file changed, 3 insertions(+), 10 deletions(-)

diff --git a/entrypoint.sh b/entrypoint.sh
index 2b62f946..16e9dd07 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -12,16 +12,9 @@ in_error() {
         exit 1
 }
 
-# Indirect expansion (ie) is not supported in bourne shell. That's why we are using this clunkiness here.
+# Indirect expansion (ie) is not supported in bourne shell. That's why we are using this "magic" here.
 ie_gv() {
-        local line name value
-        set | \
-        while read line; do
-                name=${line%=*} value=${line#*=\'}
-                if [ "$name" = "$1" ]; then
-                        echo ${value%\'}
-                fi
-        done
+        eval "echo \$$1"
 }
 
 # usage: file_env VAR [DEFAULT]
@@ -37,7 +30,7 @@ file_env() {
                 in_error "Both $var and $fileVar are set (but are exclusive)"
         fi
 
-         local val="$def"
+        local val="$def"
         if [ "$(ie_gv ${var})" != "" ]; then
                 val=$(ie_gv ${var})
         elif [ "$(ie_gv ${fileVar})" != "" ]; then