{ programs.git = { enable = true; userEmail = "mail@fern.garden"; userName = "Fern Garden"; }; programs.aria2 = { enable = true; settings = { max-concurrent-downloads = 5; max-connection-per-server = 16; min-split-size = "8M"; split = 32; disk-cache = "64M"; file-allocation = "falloc"; }; }; }