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Fix server crash when players dig unknown nodes
Digging unknown nodes crashes the Clamity Minetest server, which runs modified Minetest: https://github.com/ClamityAnarchy/minetest Crashes did occur with commit d5434bf008 of that Minetest version. This commit makes unknown nodes explicitly not harvestable.
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@ -207,6 +207,10 @@ end
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function mcl_autogroup.can_harvest(nodename, toolname)
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local ndef = minetest.registered_nodes[nodename]
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if not ndef then
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return false
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end
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if minetest.get_item_group(nodename, "dig_immediate") >= 2 then
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return true
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end
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