/usr/share/crawl/dat/dlua/layout/ is in crawl-common 2:0.17.1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/crawl/dat/dlua/layout/geoelf.lua
/usr/share/crawl/dat/dlua/layout/geoelf_corridors.lua
/usr/share/crawl/dat/dlua/layout/geoelf_directions.lua
/usr/share/crawl/dat/dlua/layout/geoelf_glyphs.lua
/usr/share/crawl/dat/dlua/layout/geoelf_rooms.lua
/usr/share/crawl/dat/dlua/layout/hyper.lua
/usr/share/crawl/dat/dlua/layout/hyper_caves.lua
/usr/share/crawl/dat/dlua/layout/hyper_city.lua
/usr/share/crawl/dat/dlua/layout/hyper_debug.lua
/usr/share/crawl/dat/dlua/layout/hyper_decor.lua
/usr/share/crawl/dat/dlua/layout/hyper_fort.lua
/usr/share/crawl/dat/dlua/layout/hyper_paint.lua
/usr/share/crawl/dat/dlua/layout/hyper_place.lua
/usr/share/crawl/dat/dlua/layout/hyper_rooms.lua
/usr/share/crawl/dat/dlua/layout/hyper_shapes.lua
/usr/share/crawl/dat/dlua/layout/hyper_strategy.lua
/usr/share/crawl/dat/dlua/layout/hyper_usage.lua
/usr/share/crawl/dat/dlua/layout/layout.lua
/usr/share/crawl/dat/dlua/layout/minimum_map_area.lua
/usr/share/crawl/dat/dlua/layout/omnigrid.lua
/usr/share/crawl/dat/dlua/layout/procedural.lua
/usr/share/crawl/dat/dlua/layout/procedural_complex.lua
/usr/share/crawl/dat/dlua/layout/procedural_primitives.lua
/usr/share/crawl/dat/dlua/layout/procedural_transform.lua
/usr/share/crawl/dat/dlua/layout/rooms_primitive.lua
/usr/share/crawl/dat/dlua/layout/theme.lua
/usr/share/crawl/dat/dlua/layout/vector.lua
/usr/share/crawl/dat/dlua/layout/zonify.lua