create map script

create_map.sh

@@ -0,0 +1,40 @@
+#!/bin/sh
+# creates an example/test map.sqlite
+
+MTDIR=/tmp/mt
+WORLDDIR=${MTDIR}/worlds/world
+WORLDMODDIR=${WORLDDIR}/worldmods
+
+rm -rf ${WORLDDIR}
+mkdir -p ${WORLDMODDIR}/mapgen
+
+
+cat <<EOF > ${WORLDMODDIR}/mapgen/init.lua
+local function execute_mapgen(callback)
+  local pos1 = { x=-100, y=-100, z=-100 }
+	local pos2 = { x=100, y=100, z=100 }
+	minetest.emerge_area(pos1, pos2, function(blockpos, _, calls_remaining)
+		minetest.log("action", "Emerged: " .. minetest.pos_to_string(blockpos))
+		if calls_remaining > 0 then
+			return
+		end
+
+    callback()
+  end)
+end
+
+minetest.after(1, function()
+  execute_mapgen(function()
+    minetest.request_shutdown("success")
+  end)
+end)
+
+EOF
+
+chmod 777 ${MTDIR} -R
+docker run --rm -i \
+	-v ${CFG}:/etc/minetest/minetest.conf:ro \
+  -v ${MTDIR}:/var/lib/minetest/.minetest \
+	registry.gitlab.com/minetest/minetest/server:5.0.1
+
+cp ${WORLDDIR}/map.sqlite .