final: prev: { blesh = prev.blesh.overrideAttrs (oldAttrs: rec { #inherit (prev.sources.blesh-nvfetcher) version src; version = "0.4.0-devel3"; src = prev.fetchzip { url = "https://github.com/akinomyoga/ble.sh/releases/download/v${version}/ble-${version}.tar.xz"; sha256 = "sha256-kGLp8RaInYSrJEi3h5kWEOMAbZV/gEPFUjOLgBuMhCI="; }; }); }