From dd9a2b3a06d5292a4e38d90b8050e1d099957115 Mon Sep 17 00:00:00 2001
From: redxef <federanko.manuel@gmail.com>
Date: Mon, 29 Aug 2022 23:26:17 +0200
Subject: [PATCH] Default to empty string if additional_tags not set.

---
 src/out | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/out b/src/out
index 58bd825..af644c1 100755
--- a/src/out
+++ b/src/out
@@ -12,7 +12,7 @@ tar xf "$1/$(jq -r .params.image < "$INPUT_FILE")"
 cd - 1>&2 2>/dev/null
 
 crane push "$oci_dir" "$REPOSITORY:$TAG" --image-refs="$image_refs_file"
-additional_tags="$(jq -r .params.additional_tags < "$INPUT_FILE")"
+additional_tags="$(jq -r '.params.additional_tags // ""' < "$INPUT_FILE")"
 if [ -n "$additional_tags" ]; then
     if ! [ -r "$1/$additional_tags" ]; then
         fail "cannot open file $1/$additional_tags"