From 5d68986caee75f75185f1aae21b37454fe613084 Mon Sep 17 00:00:00 2001
From: Robin Vobruba <hoijui.quaero@gmail.com>
Date: Thu, 13 Apr 2023 08:26:03 +0200
Subject: [PATCH 1/2] Prevents crash when source-ing with 'set -u' (Unset
 variables) [fix]

---
 script/yaml.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/script/yaml.sh b/script/yaml.sh
index cda48d4..418dfda 100755
--- a/script/yaml.sh
+++ b/script/yaml.sh
@@ -71,6 +71,6 @@ create_variables() {
 
 # Execute parse_yaml() direct from command line
 
-if [ "x" != "x${1}" ] && [ "x--debug" != "x${1}" ]; then
-    parse_yaml "${1}" "${2}"
+if [ "x" != "x${1:-}" ] && [ "x--debug" != "x${1:-}" ]; then
+    parse_yaml "${1}" "${2:-}"
 fi

From 8c2d6ce151a2af5d425c7744e4dcf4cab93a92a5 Mon Sep 17 00:00:00 2001
From: Robin Vobruba <hoijui.quaero@gmail.com>
Date: Thu, 13 Apr 2023 08:39:58 +0200
Subject: [PATCH 2/2] Prevents crash in main fn with 'set -u' [fix #39]

---
 script/yaml.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/script/yaml.sh b/script/yaml.sh
index 418dfda..ec5ece5 100755
--- a/script/yaml.sh
+++ b/script/yaml.sh
@@ -5,7 +5,7 @@
 
 parse_yaml() {
     local yaml_file=$1
-    local prefix=$2
+    local prefix=${2:-}
     local s
     local w
     local fs