flutter: remove with lib and rec (#433311)

pkgs/development/compilers/flutter/build-support/build-flutter-application.nix

@@ -39,7 +39,7 @@ let
   ++ flutterFlags;
 
   builderArgs =
-    rec {
+    let
       universal = args // {
         inherit flutterMode flutterFlags flutterBuildFlags;
 
@@ -125,6 +125,9 @@ let
           fi
         '';
       };
+    in
+    {
+      inherit universal;
 
       linux = universal // {
         outputs = universal.outputs or [ ] ++ [ "debug" ];

pkgs/development/compilers/flutter/default.nix

@@ -96,7 +96,7 @@ let
     in
     (mkCustomFlutter args).overrideAttrs (
       prev: next: {
-        passthru = next.passthru // rec {
+        passthru = next.passthru // {
           inherit wrapFlutter mkCustomFlutter mkFlutter;
           buildFlutterApplication = callPackage ./build-support/build-flutter-application.nix {
             flutter = wrapFlutter (mkCustomFlutter args);

pkgs/development/compilers/flutter/engine/package.nix

@@ -347,15 +347,13 @@ stdenv.mkDerivation (finalAttrs: {
     dart = callPackage ./dart.nix { engine = finalAttrs.finalPackage; };
   };
 
-  meta =
-    with lib;
-    {
+  meta = {
     # Very broken on Darwin
     broken = stdenv.hostPlatform.isDarwin;
     description = "Flutter engine";
     homepage = "https://flutter.dev";
-      maintainers = with maintainers; [ RossComputerGuy ];
-      license = licenses.bsd3;
+    maintainers = with lib.maintainers; [ RossComputerGuy ];
+    license = lib.licenses.bsd3;
     platforms = [
       "x86_64-linux"
       "aarch64-linux"

pkgs/development/compilers/flutter/flutter-tools.nix

@@ -27,14 +27,16 @@ let
       content_hash = "1111111111111111111111111111111111111111";
     };
   };
+
+  dartEntryPoints."flutter_tools.snapshot" = "bin/flutter_tools.dart";
 in
-buildDartApplication.override { inherit dart; } rec {
+buildDartApplication.override { inherit dart; } {
   pname = "flutter-tools";
-  inherit version;
+  inherit version dartEntryPoints;
   dartOutputType = "jit-snapshot";
 
   src = flutterSrc;
-  sourceRoot = "${src.name}/packages/flutter_tools";
+  sourceRoot = "${flutterSrc.name}/packages/flutter_tools";
   postUnpack = ''chmod -R u+w "$NIX_BUILD_TOP/source"'';
 
   inherit patches;
@@ -69,7 +71,6 @@ buildDartApplication.override { inherit dart; } rec {
     ln -s '${dart}' "$FLUTTER_ROOT/bin/cache/dart-sdk"
   '';
 
-  dartEntryPoints."flutter_tools.snapshot" = "bin/flutter_tools.dart";
   dartCompileFlags = [ "--define=NIX_FLUTTER_HOST_PLATFORM=${systemPlatform}" ];
 
   # The Dart wrapper launchers are useless for the Flutter tool - it is designed

pkgs/development/compilers/flutter/flutter.nix

@@ -189,14 +189,14 @@ let
       inherit engine;
     };
 
-    meta = with lib; {
-      description = "Flutter is Google's SDK for building mobile, web and desktop with Dart";
+    meta = {
+      description = "Makes it easy and fast to build beautiful apps for mobile and beyond";
       longDescription = ''
-        Flutter is Google’s UI toolkit for building beautiful,
-        natively compiled applications for mobile, web, and desktop from a single codebase.
+        Flutter is Google's SDK for crafting beautiful,
+        fast user experiences for mobile, web, and desktop from a single codebase.
       '';
       homepage = "https://flutter.dev";
-      license = licenses.bsd3;
+      license = lib.licenses.bsd3;
       platforms = [
         "x86_64-linux"
         "aarch64-linux"
@@ -204,10 +204,10 @@ let
         "aarch64-darwin"
       ];
       mainProgram = "flutter";
-      maintainers = with maintainers; [
+      maintainers = with lib.maintainers; [
         ericdallo
       ];
-      teams = [ teams.flutter ];
+      teams = [ lib.teams.flutter ];
     };
   };
 in