From 45acc5e3aceb61e17a8d8990a84231d37c3536e0 Mon Sep 17 00:00:00 2001
From: SmallJoker <mk939@ymail.com>
Date: Tue, 21 Apr 2020 20:47:07 +0200
Subject: [PATCH] Code license: MIT, require 5.0.0-dev

---
 README.md   | 7 ++++++-
 depends.txt | 6 ------
 init.lua    | 4 ++++
 3 files changed, 10 insertions(+), 7 deletions(-)
 delete mode 100644 depends.txt

diff --git a/README.md b/README.md
index d39ebe2..7352f16 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,8 @@
 
 This mod adds an improved ("currency" compatible) shop to your world.
 
+Requires 5.0.0-dev or newer
+
 Features:
  * 4 buyer and 4 seller slots
  * Much storage capacity
@@ -20,7 +22,10 @@ Optional dependencies:
 
 
 ## License
-CC0 for everything unless specified otherwise below.
+
+Textures: CC0 - or see notes below
+
+Code: MIT
 
 Following textures were imported from [currency](https://github.com/minetest-mods/currency)
  * shop_front.png
diff --git a/depends.txt b/depends.txt
deleted file mode 100644
index 383d932..0000000
--- a/depends.txt
+++ /dev/null
@@ -1,6 +0,0 @@
-default
-currency?
-bitchange?
-wrench?
-pipeworks?
-tubelib?
diff --git a/init.lua b/init.lua
index a9a9a5a..61f6330 100644
--- a/init.lua
+++ b/init.lua
@@ -1,3 +1,7 @@
+if not minetest.get_translator then
+	error("exchange_shop requires at least Minetest 5.0.0-dev.")
+end
+
 exchange_shop = {}
 exchange_shop.storage_size = 5 * 4
 exchange_shop.shopname = "exchange_shop:shop"