{ srcs, spotifyd, rustPlatform, ... }: let inherit (srcs.spotifyd) src date version; in spotifyd.overrideAttrs ( _final: prev: { inherit src; version = if prev.version != "0.4.1" then throw '' Please remove '' else "0-unstable-${date}-git${version}"; cargoDeps = rustPlatform.fetchCargoVendor { inherit (prev) src ; hash = "sha256-WwShp1ebk89cBqRXqKDgbwGZraCDjQAOxoL4uEIq2aw="; }; } )