/usr/share/games/minetest/mods/animalmaterials/mob_environments/ is in minetest-mod-animalmaterials 0.1.3-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/games/minetest/mods/animalmaterials/mob_environments/README
/usr/share/games/minetest/mods/animalmaterials/mob_environments/deep_water.lua
/usr/share/games/minetest/mods/animalmaterials/mob_environments/depends.txt
/usr/share/games/minetest/mods/animalmaterials/mob_environments/flight_1.lua
/usr/share/games/minetest/mods/animalmaterials/mob_environments/general_env_sets.lua
/usr/share/games/minetest/mods/animalmaterials/mob_environments/init.lua
/usr/share/games/minetest/mods/animalmaterials/mob_environments/meadow.lua
/usr/share/games/minetest/mods/animalmaterials/mob_environments/on_ground_2.lua
/usr/share/games/minetest/mods/animalmaterials/mob_environments/open_waters.lua
/usr/share/games/minetest/mods/animalmaterials/mob_environments/shallow_waters.lua
/usr/share/games/minetest/mods/animalmaterials/mob_environments/simple_air.lua