{ callPackage , flutterPackages , lib , symlinkJoin , }: let nixpkgsRoot = "@nixpkgs_root@"; flutterCompactVersion = "@flutter_compact_version@"; flutterPlatforms = [ "android" "ios" "web" "linux" "windows" "macos" "fuchsia" "universal" ]; systemPlatforms = [ "x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin" ]; derivations = lib.foldl' ( acc: flutterPlatform: acc ++ (map (systemPlatform: callPackage "${nixpkgsRoot}/pkgs/development/compilers/flutter/artifacts/fetch-artifacts.nix" { flutter = flutterPackages."v${flutterCompactVersion}"; inherit flutterPlatform; inherit systemPlatform; hash = lib.fakeSha256; }) systemPlatforms) ) [ ] flutterPlatforms; in symlinkJoin { name = "evaluate-derivations"; paths = derivations; }