{ pkgs, stdenv, fetchurl, }: { flavor, version, hash, }: stdenv.mkDerivation rec { pname = "mrescue-debian-${flavor}"; inherit version; src = fetchurl { urls = [ "https://cdimage.debian.org/debian-cd/current-live/amd64/iso-hybrid/debian-live-${version}-amd64-${flavor}.iso" "https://dl.jakstys.lt/boot/debian-live-${version}-amd64-${flavor}.iso" ]; inherit hash; }; nativeBuildInputs = with pkgs; [ p7zip ]; sourceRoot = "."; unpackPhase = '' runHook preUnpack mkdir debian-live 7z x -odebian-live $src >/dev/null runHook postUnpack ''; buildPhase = '' runHook preBuild # No build phase needed - files are extracted directly runHook postBuild ''; installPhase = '' runHook preInstall mkdir -p $out install -Dm644 debian-live/live/vmlinuz $out/kernel install -Dm644 debian-live/live/initrd.img $out/initrd install -Dm644 debian-live/live/filesystem.squashfs $out/filesystem.squashfs runHook postInstall ''; }