Fix unbound variables
diff --git a/publish.sh b/publish.sh
index a057537..f89942b 100755
--- a/publish.sh
+++ b/publish.sh
@@ -81,8 +81,8 @@
tag-and-push() {
local source=$1
local target=$2
- local digest_source; digest_source=$(get-digest ${tag1})
- local digest_target; digest_target=$(get-digest ${tag2})
+ local digest_source; digest_source=$(get-digest "${source}")
+ local digest_target; digest_target=$(get-digest "${target}")
if [ "$digest_source" == "$digest_target" ]; then
echo "Images ${source} [$digest_source] and ${target} [$digest_target] are already the same, not updating tags"
else