CompileHelper
Class methods
emit_file(io : IO, full_disk_path : String, v_path : String, vol_name : String, mode : String, chunk_size : UInt32, comp_sym : String, transform_spec : String | Nil, auto_threshold : Int64 | Nil = nil)
Emits Crystal code to construct and add an item to the specified volume
Scans base_dir for files matching patterns and not matching excludes