self: super: { terraria-server = super.terraria-server.overrideAttrs (o: rec { version = "1.3.5.3"; src = self.fetchurl { url = "http://terraria.org/server/terraria-server-1353.zip"; sha256 = "0l7j2n6ip4hxph7dfal7kzdm3dqnm1wba6zc94gafkh97wr35ck3"; }; }); }