chore: update scripts/publish.sh

MunifTanjim · MunifTanjim · commit d227e95d8efb · 2022-01-01T19:04:24.000+06:00
diff --git a/scripts/publish.sh b/scripts/publish.sh
@@ -23,7 +23,7 @@ fi
 
 declare force_upload=""
 
-if [[ "${LUAROCKS_UPLOAD_FORCE}" = "true" ]]; then
+if [[ "${LUAROCKS_UPLOAD_FORCE:-"false"}" = "true" ]]; then
   force_upload="--force"
 fi
 
