README.md

@@ -15,7 +15,6 @@ A simple and user-friendly Matrix client made with Flutter and the Matrix Dart S
 
 ## Progress
 
--   [ ] Move from the Dart SDK to the Rust SDK with Dart bindings: Waiting on https://github.com/fzyzcjy/flutter_rust_bridge/discussions/2967#discussioncomment-15522205.
 -   [ ] Platform Support
     -   [x] Linux
     -   [x] Windows

flake.nix

@@ -45,11 +45,8 @@
               packages = with pkgs; [
                 # jdk17
                 cargo
-                rustc
-                openssl_3
-                pkg-config
                 (flutter.override { extraPkgConfigPackages = [ pkgs.libsecret ]; })
-                flutter_rust_bridge_codegen
+
                 # android.platform-tools
                 (pkgs.writeShellScriptBin "rustup" (builtins.readFile ./nix/fake-rustup.sh))
               ];
@@ -59,7 +56,7 @@
                   pkgs.lib.makeLibraryPath ([
                     pkgs.sqlite
                   ])
-                }:./build/linux/x64/debug/plugins/flutter_vodozemac:./build/linux/x64/debug/plugins/rust_lib_nexus";
+                }:./build/linux/x64/debug/plugins/flutter_vodozemac";
 
                 # ANDROID_HOME = "${android.androidsdk}/libexec/android-sdk";
                 # ANDROID_SDK_ROOT = ANDROID_HOME;

flutter_rust_bridge.yaml

@@ -1,3 +0,0 @@
-rust_input: matrix-sdk
-rust_root: rust/
-dart_output: lib/src/rust

lib/widgets/loading.dart

@@ -5,9 +5,9 @@ class Loading extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) => const Center(
-    child: Padding(
+        child: Padding(
-      padding: EdgeInsets.all(16),
+          padding: EdgeInsets.all(16),
-      child: CircularProgressIndicator(),
+          child: CircularProgressIndicator(),
-    ),
+        ),
-  );
+      );
 }

linux/flutter/generated_plugins.cmake

@@ -14,7 +14,6 @@ list(APPEND FLUTTER_PLUGIN_LIST
 
 list(APPEND FLUTTER_FFI_PLUGIN_LIST
   flutter_vodozemac
-  rust_lib_nexus
 )
 
 set(PLUGIN_BUNDLED_LIBRARIES)

pubspec.lock

@@ -1192,13 +1192,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "3.1.0"
-  rust_lib_nexus:
-    dependency: "direct main"
-    description:
-      path: rust_builder
-      relative: true
-    source: path
-    version: "0.0.1"
   rxdart:
     dependency: transitive
     description:

pubspec.yaml

@@ -74,9 +74,6 @@ dependencies:
   dynamic_polls: ^0.0.6
   flutter_hooks: ^0.21.3+1
   cross_cache: ^1.1.0
-  rust_lib_nexus:
-    path: rust_builder
-  # flutter_rust_bridge: 2.11.1
   
 dev_dependencies:
   build_runner: ^2.4.11

rust/.gitignore

@@ -1 +0,0 @@
-/target

rust/Cargo.toml

@@ -1,14 +0,0 @@
-[package]
-name = "rust_lib_nexus"
-version = "0.1.0"
-edition = "2021"
-
-[lib]
-crate-type = ["cdylib", "staticlib"]
-
-[dependencies]
-flutter_rust_bridge = "=2.11.1"
-matrix-sdk = "0.16.0"
-
-[lints.rust]
-unexpected_cfgs = { level = "warn", check-cfg = ['cfg(frb_expand)'] }

rust/src/api/mod.rs

@@ -1 +0,0 @@
-pub mod simple;

rust/src/api/simple.rs

@@ -1,10 +0,0 @@
-#[flutter_rust_bridge::frb(sync)] // Synchronous mode for simplicity of the demo
-pub fn greet(name: String) -> String {
-    format!("Hello, {name}!")
-}
-
-#[flutter_rust_bridge::frb(init)]
-pub fn init_app() {
-    // Default utilities - feel free to customize
-    flutter_rust_bridge::setup_default_user_utils();
-}

rust/src/lib.rs

@@ -1,2 +0,0 @@
-pub mod api;
-mod frb_generated;

rust_builder/.gitignore

@@ -1,29 +0,0 @@
-# Miscellaneous
-*.class
-*.log
-*.pyc
-*.swp
-.DS_Store
-.atom/
-.buildlog/
-.history
-.svn/
-migrate_working_dir/
-
-# IntelliJ related
-*.iml
-*.ipr
-*.iws
-.idea/
-
-# The .vscode folder contains launch configuration and tasks you configure in
-# VS Code which you may wish to be included in version control, so this line
-# is commented out by default.
-#.vscode/
-
-# Flutter/Dart/Pub related
-# Libraries should not include pubspec.lock, per https://dart.dev/guides/libraries/private-files#pubspeclock.
-/pubspec.lock
-**/doc/api/
-.dart_tool/
-build/

rust_builder/README.md

@@ -1 +0,0 @@
-Please ignore this folder, which is just glue to build Rust with Flutter.

rust_builder/android/.gitignore

@@ -1,9 +0,0 @@
-*.iml
-.gradle
-/local.properties
-/.idea/workspace.xml
-/.idea/libraries
-.DS_Store
-/build
-/captures
-.cxx

rust_builder/android/build.gradle

@@ -1,56 +0,0 @@
-// The Android Gradle Plugin builds the native code with the Android NDK.
-
-group 'com.flutter_rust_bridge.rust_lib_nexus'
-version '1.0'
-
-buildscript {
-    repositories {
-        google()
-        mavenCentral()
-    }
-
-    dependencies {
-        // The Android Gradle Plugin knows how to build native code with the NDK.
-        classpath 'com.android.tools.build:gradle:7.3.0'
-    }
-}
-
-rootProject.allprojects {
-    repositories {
-        google()
-        mavenCentral()
-    }
-}
-
-apply plugin: 'com.android.library'
-
-android {
-    if (project.android.hasProperty("namespace")) {
-        namespace 'com.flutter_rust_bridge.rust_lib_nexus'
-    }
-
-    // Bumping the plugin compileSdkVersion requires all clients of this plugin
-    // to bump the version in their app.
-    compileSdkVersion 33
-
-    // Use the NDK version
-    // declared in /android/app/build.gradle file of the Flutter project.
-    // Replace it with a version number if this plugin requires a specfic NDK version.
-    // (e.g. ndkVersion "23.1.7779620")
-    ndkVersion android.ndkVersion
-
-    compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
-    }
-
-    defaultConfig {
-        minSdkVersion 19
-    }
-}
-
-apply from: "../cargokit/gradle/plugin.gradle"
-cargokit {
-    manifestDir = "../../rust"
-    libname = "rust_lib_nexus"
-}

rust_builder/android/settings.gradle

@@ -1 +0,0 @@
-rootProject.name = 'rust_lib_nexus'

rust_builder/android/src/main/AndroidManifest.xml

@@ -1,3 +0,0 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-  package="com.flutter_rust_bridge.rust_lib_nexus">
-</manifest>

rust_builder/cargokit/.gitignore

@@ -1,4 +0,0 @@
-target
-.dart_tool
-*.iml
-!pubspec.lock

rust_builder/cargokit/LICENSE

@@ -1,42 +0,0 @@
-/// This is copied from Cargokit (which is the official way to use it currently)
-/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
-
-Copyright 2022 Matej Knopp
-
-================================================================================
-
-MIT LICENSE
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
-of the Software, and to permit persons to whom the Software is furnished to do
-so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
-OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
-WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
-IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-================================================================================
-
-APACHE LICENSE, VERSION 2.0
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-

rust_builder/cargokit/README

@@ -1,11 +0,0 @@
-/// This is copied from Cargokit (which is the official way to use it currently)
-/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
-
-Experimental repository to provide glue for seamlessly integrating cargo build
-with flutter plugins and packages.
-
-See https://matejknopp.com/post/flutter_plugin_in_rust_with_no_prebuilt_binaries/
-for a tutorial on how to use Cargokit.
-
-Example plugin available at https://github.com/irondash/hello_rust_ffi_plugin.
-

rust_builder/cargokit/build_pod.sh

@@ -1,58 +0,0 @@
-#!/bin/sh
-set -e
-
-BASEDIR=$(dirname "$0")
-
-# Workaround for https://github.com/dart-lang/pub/issues/4010
-BASEDIR=$(cd "$BASEDIR" ; pwd -P)
-
-# Remove XCode SDK from path. Otherwise this breaks tool compilation when building iOS project
-NEW_PATH=`echo $PATH | tr ":" "\n" | grep -v "Contents/Developer/" | tr "\n" ":"`
-
-export PATH=${NEW_PATH%?} # remove trailing :
-
-env
-
-# Platform name (macosx, iphoneos, iphonesimulator)
-export CARGOKIT_DARWIN_PLATFORM_NAME=$PLATFORM_NAME
-
-# Arctive architectures (arm64, armv7, x86_64), space separated.
-export CARGOKIT_DARWIN_ARCHS=$ARCHS
-
-# Current build configuration (Debug, Release)
-export CARGOKIT_CONFIGURATION=$CONFIGURATION
-
-# Path to directory containing Cargo.toml.
-export CARGOKIT_MANIFEST_DIR=$PODS_TARGET_SRCROOT/$1
-
-# Temporary directory for build artifacts.
-export CARGOKIT_TARGET_TEMP_DIR=$TARGET_TEMP_DIR
-
-# Output directory for final artifacts.
-export CARGOKIT_OUTPUT_DIR=$PODS_CONFIGURATION_BUILD_DIR/$PRODUCT_NAME
-
-# Directory to store built tool artifacts.
-export CARGOKIT_TOOL_TEMP_DIR=$TARGET_TEMP_DIR/build_tool
-
-# Directory inside root project. Not necessarily the top level directory of root project.
-export CARGOKIT_ROOT_PROJECT_DIR=$SRCROOT
-
-FLUTTER_EXPORT_BUILD_ENVIRONMENT=(
-  "$PODS_ROOT/../Flutter/ephemeral/flutter_export_environment.sh" # macOS
-  "$PODS_ROOT/../Flutter/flutter_export_environment.sh" # iOS
-)
-
-for path in "${FLUTTER_EXPORT_BUILD_ENVIRONMENT[@]}"
-do
-  if [[ -f "$path" ]]; then
-    source "$path"
-  fi
-done
-
-sh "$BASEDIR/run_build_tool.sh" build-pod "$@"
-
-# Make a symlink from built framework to phony file, which will be used as input to
-# build script. This should force rebuild (podspec currently doesn't support alwaysOutOfDate
-# attribute on custom build phase)
-ln -fs "$OBJROOT/XCBuildData/build.db" "${BUILT_PRODUCTS_DIR}/cargokit_phony"
-ln -fs "${BUILT_PRODUCTS_DIR}/${EXECUTABLE_PATH}" "${BUILT_PRODUCTS_DIR}/cargokit_phony_out"

rust_builder/cargokit/build_tool/README.md

@@ -1,5 +0,0 @@
-/// This is copied from Cargokit (which is the official way to use it currently)
-/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
-
-A sample command-line application with an entrypoint in `bin/`, library code
-in `lib/`, and example unit test in `test/`.

rust_builder/cargokit/build_tool/analysis_options.yaml

@@ -1,34 +0,0 @@
-# This is copied from Cargokit (which is the official way to use it currently)
-# Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
-
-# This file configures the static analysis results for your project (errors,
-# warnings, and lints).
-#
-# This enables the 'recommended' set of lints from `package:lints`.
-# This set helps identify many issues that may lead to problems when running
-# or consuming Dart code, and enforces writing Dart using a single, idiomatic
-# style and format.
-#
-# If you want a smaller set of lints you can change this to specify
-# 'package:lints/core.yaml'. These are just the most critical lints
-# (the recommended set includes the core lints).
-# The core lints are also what is used by pub.dev for scoring packages.
-
-include: package:lints/recommended.yaml
-
-# Uncomment the following section to specify additional rules.
-
-linter:
-  rules:
-    - prefer_relative_imports
-    - directives_ordering
-
-# analyzer:
-#   exclude:
-#     - path/to/excluded/files/**
-
-# For more information about the core and recommended set of lints, see
-# https://dart.dev/go/core-lints
-
-# For additional information about configuring this file, see
-# https://dart.dev/guides/language/analysis-options

rust_builder/cargokit/build_tool/bin/build_tool.dart

@@ -1,8 +0,0 @@
-/// This is copied from Cargokit (which is the official way to use it currently)
-/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
-
-import 'package:build_tool/build_tool.dart' as build_tool;
-
-void main(List<String> arguments) {
-  build_tool.runMain(arguments);
-}

rust_builder/cargokit/build_tool/lib/build_tool.dart

@@ -1,8 +0,0 @@
-/// This is copied from Cargokit (which is the official way to use it currently)
-/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
-
-import 'src/build_tool.dart' as build_tool;
-
-Future<void> runMain(List<String> args) async {
-  return build_tool.runMain(args);
-}

rust_builder/cargokit/build_tool/lib/src/android_environment.dart

@@ -1,195 +0,0 @@
-/// This is copied from Cargokit (which is the official way to use it currently)
-/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
-
-import 'dart:io';
-import 'dart:isolate';
-import 'dart:math' as math;
-
-import 'package:collection/collection.dart';
-import 'package:path/path.dart' as path;
-import 'package:version/version.dart';
-
-import 'target.dart';
-import 'util.dart';
-
-class AndroidEnvironment {
-  AndroidEnvironment({
-    required this.sdkPath,
-    required this.ndkVersion,
-    required this.minSdkVersion,
-    required this.targetTempDir,
-    required this.target,
-  });
-
-  static void clangLinkerWrapper(List<String> args) {
-    final clang = Platform.environment['_CARGOKIT_NDK_LINK_CLANG'];
-    if (clang == null) {
-      throw Exception(
-          "cargo-ndk rustc linker: didn't find _CARGOKIT_NDK_LINK_CLANG env var");
-    }
-    final target = Platform.environment['_CARGOKIT_NDK_LINK_TARGET'];
-    if (target == null) {
-      throw Exception(
-          "cargo-ndk rustc linker: didn't find _CARGOKIT_NDK_LINK_TARGET env var");
-    }
-
-    runCommand(clang, [
-      target,
-      ...args,
-    ]);
-  }
-
-  /// Full path to Android SDK.
-  final String sdkPath;
-
-  /// Full version of Android NDK.
-  final String ndkVersion;
-
-  /// Minimum supported SDK version.
-  final int minSdkVersion;
-
-  /// Target directory for build artifacts.
-  final String targetTempDir;
-
-  /// Target being built.
-  final Target target;
-
-  bool ndkIsInstalled() {
-    final ndkPath = path.join(sdkPath, 'ndk', ndkVersion);
-    final ndkPackageXml = File(path.join(ndkPath, 'package.xml'));
-    return ndkPackageXml.existsSync();
-  }
-
-  void installNdk({
-    required String javaHome,
-  }) {
-    final sdkManagerExtension = Platform.isWindows ? '.bat' : '';
-    final sdkManager = path.join(
-      sdkPath,
-      'cmdline-tools',
-      'latest',
-      'bin',
-      'sdkmanager$sdkManagerExtension',
-    );
-
-    log.info('Installing NDK $ndkVersion');
-    runCommand(sdkManager, [
-      '--install',
-      'ndk;$ndkVersion',
-    ], environment: {
-      'JAVA_HOME': javaHome,
-    });
-  }
-
-  Future<Map<String, String>> buildEnvironment() async {
-    final hostArch = Platform.isMacOS
-        ? "darwin-x86_64"
-        : (Platform.isLinux ? "linux-x86_64" : "windows-x86_64");
-
-    final ndkPath = path.join(sdkPath, 'ndk', ndkVersion);
-    final toolchainPath = path.join(
-      ndkPath,
-      'toolchains',
-      'llvm',
-      'prebuilt',
-      hostArch,
-      'bin',
-    );
-
-    final minSdkVersion =
-        math.max(target.androidMinSdkVersion!, this.minSdkVersion);
-
-    final exe = Platform.isWindows ? '.exe' : '';
-
-    final arKey = 'AR_${target.rust}';
-    final arValue = ['${target.rust}-ar', 'llvm-ar', 'llvm-ar.exe']
-        .map((e) => path.join(toolchainPath, e))
-        .firstWhereOrNull((element) => File(element).existsSync());
-    if (arValue == null) {
-      throw Exception('Failed to find ar for $target in $toolchainPath');
-    }
-
-    final targetArg = '--target=${target.rust}$minSdkVersion';
-
-    final ccKey = 'CC_${target.rust}';
-    final ccValue = path.join(toolchainPath, 'clang$exe');
-    final cfFlagsKey = 'CFLAGS_${target.rust}';
-    final cFlagsValue = targetArg;
-
-    final cxxKey = 'CXX_${target.rust}';
-    final cxxValue = path.join(toolchainPath, 'clang++$exe');
-    final cxxFlagsKey = 'CXXFLAGS_${target.rust}';
-    final cxxFlagsValue = targetArg;
-
-    final linkerKey =
-        'cargo_target_${target.rust.replaceAll('-', '_')}_linker'.toUpperCase();
-
-    final ranlibKey = 'RANLIB_${target.rust}';
-    final ranlibValue = path.join(toolchainPath, 'llvm-ranlib$exe');
-
-    final ndkVersionParsed = Version.parse(ndkVersion);
-    final rustFlagsKey = 'CARGO_ENCODED_RUSTFLAGS';
-    final rustFlagsValue = _libGccWorkaround(targetTempDir, ndkVersionParsed);
-
-    final runRustTool =
-        Platform.isWindows ? 'run_build_tool.cmd' : 'run_build_tool.sh';
-
-    final packagePath = (await Isolate.resolvePackageUri(
-            Uri.parse('package:build_tool/buildtool.dart')))!
-        .toFilePath();
-    final selfPath = path.canonicalize(path.join(
-      packagePath,
-      '..',
-      '..',
-      '..',
-      runRustTool,
-    ));
-
-    // Make sure that run_build_tool is working properly even initially launched directly
-    // through dart run.
-    final toolTempDir =
-        Platform.environment['CARGOKIT_TOOL_TEMP_DIR'] ?? targetTempDir;
-
-    return {
-      arKey: arValue,
-      ccKey: ccValue,
-      cfFlagsKey: cFlagsValue,
-      cxxKey: cxxValue,
-      cxxFlagsKey: cxxFlagsValue,
-      ranlibKey: ranlibValue,
-      rustFlagsKey: rustFlagsValue,
-      linkerKey: selfPath,
-      // Recognized by main() so we know when we're acting as a wrapper
-      '_CARGOKIT_NDK_LINK_TARGET': targetArg,
-      '_CARGOKIT_NDK_LINK_CLANG': ccValue,
-      'CARGOKIT_TOOL_TEMP_DIR': toolTempDir,
-    };
-  }
-
-  // Workaround for libgcc missing in NDK23, inspired by cargo-ndk
-  String _libGccWorkaround(String buildDir, Version ndkVersion) {
-    final workaroundDir = path.join(
-      buildDir,
-      'cargokit',
-      'libgcc_workaround',
-      '${ndkVersion.major}',
-    );
-    Directory(workaroundDir).createSync(recursive: true);
-    if (ndkVersion.major >= 23) {
-      File(path.join(workaroundDir, 'libgcc.a'))
-          .writeAsStringSync('INPUT(-lunwind)');
-    } else {
-      // Other way around, untested, forward libgcc.a from libunwind once Rust
-      // gets updated for NDK23+.
-      File(path.join(workaroundDir, 'libunwind.a'))
-          .writeAsStringSync('INPUT(-lgcc)');
-    }
-
-    var rustFlags = Platform.environment['CARGO_ENCODED_RUSTFLAGS'] ?? '';
-    if (rustFlags.isNotEmpty) {
-      rustFlags = '$rustFlags\x1f';
-    }
-    rustFlags = '$rustFlags-L\x1f$workaroundDir';
-    return rustFlags;
-  }
-}

rust_builder/cargokit/build_tool/lib/src/artifacts_provider.dart

@@ -1,266 +0,0 @@
-/// This is copied from Cargokit (which is the official way to use it currently)
-/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
-
-import 'dart:io';
-
-import 'package:ed25519_edwards/ed25519_edwards.dart';
-import 'package:http/http.dart';
-import 'package:logging/logging.dart';
-import 'package:path/path.dart' as path;
-
-import 'builder.dart';
-import 'crate_hash.dart';
-import 'options.dart';
-import 'precompile_binaries.dart';
-import 'rustup.dart';
-import 'target.dart';
-
-class Artifact {
-  /// File system location of the artifact.
-  final String path;
-
-  /// Actual file name that the artifact should have in destination folder.
-  final String finalFileName;
-
-  AritifactType get type {
-    if (finalFileName.endsWith('.dll') ||
-        finalFileName.endsWith('.dll.lib') ||
-        finalFileName.endsWith('.pdb') ||
-        finalFileName.endsWith('.so') ||
-        finalFileName.endsWith('.dylib')) {
-      return AritifactType.dylib;
-    } else if (finalFileName.endsWith('.lib') || finalFileName.endsWith('.a')) {
-      return AritifactType.staticlib;
-    } else {
-      throw Exception('Unknown artifact type for $finalFileName');
-    }
-  }
-
-  Artifact({
-    required this.path,
-    required this.finalFileName,
-  });
-}
-
-final _log = Logger('artifacts_provider');
-
-class ArtifactProvider {
-  ArtifactProvider({
-    required this.environment,
-    required this.userOptions,
-  });
-
-  final BuildEnvironment environment;
-  final CargokitUserOptions userOptions;
-
-  Future<Map<Target, List<Artifact>>> getArtifacts(List<Target> targets) async {
-    final result = await _getPrecompiledArtifacts(targets);
-
-    final pendingTargets = List.of(targets);
-    pendingTargets.removeWhere((element) => result.containsKey(element));
-
-    if (pendingTargets.isEmpty) {
-      return result;
-    }
-
-    final rustup = Rustup();
-    for (final target in targets) {
-      final builder = RustBuilder(target: target, environment: environment);
-      builder.prepare(rustup);
-      _log.info('Building ${environment.crateInfo.packageName} for $target');
-      final targetDir = await builder.build();
-      // For local build accept both static and dynamic libraries.
-      final artifactNames = <String>{
-        ...getArtifactNames(
-          target: target,
-          libraryName: environment.crateInfo.packageName,
-          aritifactType: AritifactType.dylib,
-          remote: false,
-        ),
-        ...getArtifactNames(
-          target: target,
-          libraryName: environment.crateInfo.packageName,
-          aritifactType: AritifactType.staticlib,
-          remote: false,
-        )
-      };
-      final artifacts = artifactNames
-          .map((artifactName) => Artifact(
-                path: path.join(targetDir, artifactName),
-                finalFileName: artifactName,
-              ))
-          .where((element) => File(element.path).existsSync())
-          .toList();
-      result[target] = artifacts;
-    }
-    return result;
-  }
-
-  Future<Map<Target, List<Artifact>>> _getPrecompiledArtifacts(
-      List<Target> targets) async {
-    if (userOptions.usePrecompiledBinaries == false) {
-      _log.info('Precompiled binaries are disabled');
-      return {};
-    }
-    if (environment.crateOptions.precompiledBinaries == null) {
-      _log.fine('Precompiled binaries not enabled for this crate');
-      return {};
-    }
-
-    final start = Stopwatch()..start();
-    final crateHash = CrateHash.compute(environment.manifestDir,
-        tempStorage: environment.targetTempDir);
-    _log.fine(
-        'Computed crate hash $crateHash in ${start.elapsedMilliseconds}ms');
-
-    final downloadedArtifactsDir =
-        path.join(environment.targetTempDir, 'precompiled', crateHash);
-    Directory(downloadedArtifactsDir).createSync(recursive: true);
-
-    final res = <Target, List<Artifact>>{};
-
-    for (final target in targets) {
-      final requiredArtifacts = getArtifactNames(
-        target: target,
-        libraryName: environment.crateInfo.packageName,
-        remote: true,
-      );
-      final artifactsForTarget = <Artifact>[];
-
-      for (final artifact in requiredArtifacts) {
-        final fileName = PrecompileBinaries.fileName(target, artifact);
-        final downloadedPath = path.join(downloadedArtifactsDir, fileName);
-        if (!File(downloadedPath).existsSync()) {
-          final signatureFileName =
-              PrecompileBinaries.signatureFileName(target, artifact);
-          await _tryDownloadArtifacts(
-            crateHash: crateHash,
-            fileName: fileName,
-            signatureFileName: signatureFileName,
-            finalPath: downloadedPath,
-          );
-        }
-        if (File(downloadedPath).existsSync()) {
-          artifactsForTarget.add(Artifact(
-            path: downloadedPath,
-            finalFileName: artifact,
-          ));
-        } else {
-          break;
-        }
-      }
-
-      // Only provide complete set of artifacts.
-      if (artifactsForTarget.length == requiredArtifacts.length) {
-        _log.fine('Found precompiled artifacts for $target');
-        res[target] = artifactsForTarget;
-      }
-    }
-
-    return res;
-  }
-
-  static Future<Response> _get(Uri url, {Map<String, String>? headers}) async {
-    int attempt = 0;
-    const maxAttempts = 10;
-    while (true) {
-      try {
-        return await get(url, headers: headers);
-      } on SocketException catch (e) {
-        // Try to detect reset by peer error and retry.
-        if (attempt++ < maxAttempts &&
-            (e.osError?.errorCode == 54 || e.osError?.errorCode == 10054)) {
-          _log.severe(
-              'Failed to download $url: $e, attempt $attempt of $maxAttempts, will retry...');
-          await Future.delayed(Duration(seconds: 1));
-          continue;
-        } else {
-          rethrow;
-        }
-      }
-    }
-  }
-
-  Future<void> _tryDownloadArtifacts({
-    required String crateHash,
-    required String fileName,
-    required String signatureFileName,
-    required String finalPath,
-  }) async {
-    final precompiledBinaries = environment.crateOptions.precompiledBinaries!;
-    final prefix = precompiledBinaries.uriPrefix;
-    final url = Uri.parse('$prefix$crateHash/$fileName');
-    final signatureUrl = Uri.parse('$prefix$crateHash/$signatureFileName');
-    _log.fine('Downloading signature from $signatureUrl');
-    final signature = await _get(signatureUrl);
-    if (signature.statusCode == 404) {
-      _log.warning(
-          'Precompiled binaries not available for crate hash $crateHash ($fileName)');
-      return;
-    }
-    if (signature.statusCode != 200) {
-      _log.severe(
-          'Failed to download signature $signatureUrl: status ${signature.statusCode}');
-      return;
-    }
-    _log.fine('Downloading binary from $url');
-    final res = await _get(url);
-    if (res.statusCode != 200) {
-      _log.severe('Failed to download binary $url: status ${res.statusCode}');
-      return;
-    }
-    if (verify(
-        precompiledBinaries.publicKey, res.bodyBytes, signature.bodyBytes)) {
-      File(finalPath).writeAsBytesSync(res.bodyBytes);
-    } else {
-      _log.shout('Signature verification failed! Ignoring binary.');
-    }
-  }
-}
-
-enum AritifactType {
-  staticlib,
-  dylib,
-}
-
-AritifactType artifactTypeForTarget(Target target) {
-  if (target.darwinPlatform != null) {
-    return AritifactType.staticlib;
-  } else {
-    return AritifactType.dylib;
-  }
-}
-
-List<String> getArtifactNames({
-  required Target target,
-  required String libraryName,
-  required bool remote,
-  AritifactType? aritifactType,
-}) {
-  aritifactType ??= artifactTypeForTarget(target);
-  if (target.darwinArch != null) {
-    if (aritifactType == AritifactType.staticlib) {
-      return ['lib$libraryName.a'];
-    } else {
-      return ['lib$libraryName.dylib'];
-    }
-  } else if (target.rust.contains('-windows-')) {
-    if (aritifactType == AritifactType.staticlib) {
-      return ['$libraryName.lib'];
-    } else {
-      return [
-        '$libraryName.dll',
-        '$libraryName.dll.lib',
-        if (!remote) '$libraryName.pdb'
-      ];
-    }
-  } else if (target.rust.contains('-linux-')) {
-    if (aritifactType == AritifactType.staticlib) {
-      return ['lib$libraryName.a'];
-    } else {
-      return ['lib$libraryName.so'];
-    }
-  } else {
-    throw Exception("Unsupported target: ${target.rust}");
-  }
-}

rust_builder/cargokit/build_tool/lib/src/build_cmake.dart

@@ -1,40 +0,0 @@
-/// This is copied from Cargokit (which is the official way to use it currently)
-/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
-
-import 'dart:io';
-
-import 'package:path/path.dart' as path;
-
-import 'artifacts_provider.dart';
-import 'builder.dart';
-import 'environment.dart';
-import 'options.dart';
-import 'target.dart';
-
-class BuildCMake {
-  final CargokitUserOptions userOptions;
-
-  BuildCMake({required this.userOptions});
-
-  Future<void> build() async {
-    final targetPlatform = Environment.targetPlatform;
-    final target = Target.forFlutterName(Environment.targetPlatform);
-    if (target == null) {
-      throw Exception("Unknown target platform: $targetPlatform");
-    }
-
-    final environment = BuildEnvironment.fromEnvironment(isAndroid: false);
-    final provider =
-        ArtifactProvider(environment: environment, userOptions: userOptions);
-    final artifacts = await provider.getArtifacts([target]);
-
-    final libs = artifacts[target]!;
-
-    for (final lib in libs) {
-      if (lib.type == AritifactType.dylib) {
-        File(lib.path)
-            .copySync(path.join(Environment.outputDir, lib.finalFileName));
-      }
-    }
-  }
-}

rust_builder/cargokit/build_tool/lib/src/build_gradle.dart

@@ -1,49 +0,0 @@
-/// This is copied from Cargokit (which is the official way to use it currently)
-/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
-
-import 'dart:io';
-
-import 'package:logging/logging.dart';
-import 'package:path/path.dart' as path;
-
-import 'artifacts_provider.dart';
-import 'builder.dart';
-import 'environment.dart';
-import 'options.dart';
-import 'target.dart';
-
-final log = Logger('build_gradle');
-
-class BuildGradle {
-  BuildGradle({required this.userOptions});
-
-  final CargokitUserOptions userOptions;
-
-  Future<void> build() async {
-    final targets = Environment.targetPlatforms.map((arch) {
-      final target = Target.forFlutterName(arch);
-      if (target == null) {
-        throw Exception(
-            "Unknown darwin target or platform: $arch, ${Environment.darwinPlatformName}");
-      }
-      return target;
-    }).toList();
-
-    final environment = BuildEnvironment.fromEnvironment(isAndroid: true);
-    final provider =
-        ArtifactProvider(environment: environment, userOptions: userOptions);
-    final artifacts = await provider.getArtifacts(targets);
-
-    for (final target in targets) {
-      final libs = artifacts[target]!;
-      final outputDir = path.join(Environment.outputDir, target.android!);
-      Directory(outputDir).createSync(recursive: true);
-
-      for (final lib in libs) {
-        if (lib.type == AritifactType.dylib) {
-          File(lib.path).copySync(path.join(outputDir, lib.finalFileName));
-        }
-      }
-    }
-  }
-}

rust_builder/cargokit/build_tool/lib/src/build_pod.dart

@@ -1,89 +0,0 @@
-/// This is copied from Cargokit (which is the official way to use it currently)
-/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
-
-import 'dart:io';
-
-import 'package:path/path.dart' as path;
-
-import 'artifacts_provider.dart';
-import 'builder.dart';
-import 'environment.dart';
-import 'options.dart';
-import 'target.dart';
-import 'util.dart';
-
-class BuildPod {
-  BuildPod({required this.userOptions});
-
-  final CargokitUserOptions userOptions;
-
-  Future<void> build() async {
-    final targets = Environment.darwinArchs.map((arch) {
-      final target = Target.forDarwin(
-          platformName: Environment.darwinPlatformName, darwinAarch: arch);
-      if (target == null) {
-        throw Exception(
-            "Unknown darwin target or platform: $arch, ${Environment.darwinPlatformName}");
-      }
-      return target;
-    }).toList();
-
-    final environment = BuildEnvironment.fromEnvironment(isAndroid: false);
-    final provider =
-        ArtifactProvider(environment: environment, userOptions: userOptions);
-    final artifacts = await provider.getArtifacts(targets);
-
-    void performLipo(String targetFile, Iterable<String> sourceFiles) {
-      runCommand("lipo", [
-        '-create',
-        ...sourceFiles,
-        '-output',
-        targetFile,
-      ]);
-    }
-
-    final outputDir = Environment.outputDir;
-
-    Directory(outputDir).createSync(recursive: true);
-
-    final staticLibs = artifacts.values
-        .expand((element) => element)
-        .where((element) => element.type == AritifactType.staticlib)
-        .toList();
-    final dynamicLibs = artifacts.values
-        .expand((element) => element)
-        .where((element) => element.type == AritifactType.dylib)
-        .toList();
-
-    final libName = environment.crateInfo.packageName;
-
-    // If there is static lib, use it and link it with pod
-    if (staticLibs.isNotEmpty) {
-      final finalTargetFile = path.join(outputDir, "lib$libName.a");
-      performLipo(finalTargetFile, staticLibs.map((e) => e.path));
-    } else {
-      // Otherwise try to replace bundle dylib with our dylib
-      final bundlePaths = [
-        '$libName.framework/Versions/A/$libName',
-        '$libName.framework/$libName',
-      ];
-
-      for (final bundlePath in bundlePaths) {
-        final targetFile = path.join(outputDir, bundlePath);
-        if (File(targetFile).existsSync()) {
-          performLipo(targetFile, dynamicLibs.map((e) => e.path));
-
-          // Replace absolute id with @rpath one so that it works properly
-          // when moved to Frameworks.
-          runCommand("install_name_tool", [
-            '-id',
-            '@rpath/$bundlePath',
-            targetFile,
-          ]);
-          return;
-        }
-      }
-      throw Exception('Unable to find bundle for dynamic library');
-    }
-  }
-}

rust_builder/cargokit/build_tool/lib/src/build_tool.dart

@@ -1,271 +0,0 @@
-/// This is copied from Cargokit (which is the official way to use it currently)
-/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
-
-import 'dart:io';
-
-import 'package:args/command_runner.dart';
-import 'package:ed25519_edwards/ed25519_edwards.dart';
-import 'package:github/github.dart';
-import 'package:hex/hex.dart';
-import 'package:logging/logging.dart';
-
-import 'android_environment.dart';
-import 'build_cmake.dart';
-import 'build_gradle.dart';
-import 'build_pod.dart';
-import 'logging.dart';
-import 'options.dart';
-import 'precompile_binaries.dart';
-import 'target.dart';
-import 'util.dart';
-import 'verify_binaries.dart';
-
-final log = Logger('build_tool');
-
-abstract class BuildCommand extends Command {
-  Future<void> runBuildCommand(CargokitUserOptions options);
-
-  @override
-  Future<void> run() async {
-    final options = CargokitUserOptions.load();
-
-    if (options.verboseLogging ||
-        Platform.environment['CARGOKIT_VERBOSE'] == '1') {
-      enableVerboseLogging();
-    }
-
-    await runBuildCommand(options);
-  }
-}
-
-class BuildPodCommand extends BuildCommand {
-  @override
-  final name = 'build-pod';
-
-  @override
-  final description = 'Build cocoa pod library';
-
-  @override
-  Future<void> runBuildCommand(CargokitUserOptions options) async {
-    final build = BuildPod(userOptions: options);
-    await build.build();
-  }
-}
-
-class BuildGradleCommand extends BuildCommand {
-  @override
-  final name = 'build-gradle';
-
-  @override
-  final description = 'Build android library';
-
-  @override
-  Future<void> runBuildCommand(CargokitUserOptions options) async {
-    final build = BuildGradle(userOptions: options);
-    await build.build();
-  }
-}
-
-class BuildCMakeCommand extends BuildCommand {
-  @override
-  final name = 'build-cmake';
-
-  @override
-  final description = 'Build CMake library';
-
-  @override
-  Future<void> runBuildCommand(CargokitUserOptions options) async {
-    final build = BuildCMake(userOptions: options);
-    await build.build();
-  }
-}
-
-class GenKeyCommand extends Command {
-  @override
-  final name = 'gen-key';
-
-  @override
-  final description = 'Generate key pair for signing precompiled binaries';
-
-  @override
-  void run() {
-    final kp = generateKey();
-    final private = HEX.encode(kp.privateKey.bytes);
-    final public = HEX.encode(kp.publicKey.bytes);
-    print("Private Key: $private");
-    print("Public Key: $public");
-  }
-}
-
-class PrecompileBinariesCommand extends Command {
-  PrecompileBinariesCommand() {
-    argParser
-      ..addOption(
-        'repository',
-        mandatory: true,
-        help: 'Github repository slug in format owner/name',
-      )
-      ..addOption(
-        'manifest-dir',
-        mandatory: true,
-        help: 'Directory containing Cargo.toml',
-      )
-      ..addMultiOption('target',
-          help: 'Rust target triple of artifact to build.\n'
-              'Can be specified multiple times or omitted in which case\n'
-              'all targets for current platform will be built.')
-      ..addOption(
-        'android-sdk-location',
-        help: 'Location of Android SDK (if available)',
-      )
-      ..addOption(
-        'android-ndk-version',
-        help: 'Android NDK version (if available)',
-      )
-      ..addOption(
-        'android-min-sdk-version',
-        help: 'Android minimum rquired version (if available)',
-      )
-      ..addOption(
-        'temp-dir',
-        help: 'Directory to store temporary build artifacts',
-      )
-      ..addFlag(
-        "verbose",
-        abbr: "v",
-        defaultsTo: false,
-        help: "Enable verbose logging",
-      );
-  }
-
-  @override
-  final name = 'precompile-binaries';
-
-  @override
-  final description = 'Prebuild and upload binaries\n'
-      'Private key must be passed through PRIVATE_KEY environment variable. '
-      'Use gen_key through generate priave key.\n'
-      'Github token must be passed as GITHUB_TOKEN environment variable.\n';
-
-  @override
-  Future<void> run() async {
-    final verbose = argResults!['verbose'] as bool;
-    if (verbose) {
-      enableVerboseLogging();
-    }
-
-    final privateKeyString = Platform.environment['PRIVATE_KEY'];
-    if (privateKeyString == null) {
-      throw ArgumentError('Missing PRIVATE_KEY environment variable');
-    }
-    final githubToken = Platform.environment['GITHUB_TOKEN'];
-    if (githubToken == null) {
-      throw ArgumentError('Missing GITHUB_TOKEN environment variable');
-    }
-    final privateKey = HEX.decode(privateKeyString);
-    if (privateKey.length != 64) {
-      throw ArgumentError('Private key must be 64 bytes long');
-    }
-    final manifestDir = argResults!['manifest-dir'] as String;
-    if (!Directory(manifestDir).existsSync()) {
-      throw ArgumentError('Manifest directory does not exist: $manifestDir');
-    }
-    String? androidMinSdkVersionString =
-        argResults!['android-min-sdk-version'] as String?;
-    int? androidMinSdkVersion;
-    if (androidMinSdkVersionString != null) {
-      androidMinSdkVersion = int.tryParse(androidMinSdkVersionString);
-      if (androidMinSdkVersion == null) {
-        throw ArgumentError(
-            'Invalid android-min-sdk-version: $androidMinSdkVersionString');
-      }
-    }
-    final targetStrigns = argResults!['target'] as List<String>;
-    final targets = targetStrigns.map((target) {
-      final res = Target.forRustTriple(target);
-      if (res == null) {
-        throw ArgumentError('Invalid target: $target');
-      }
-      return res;
-    }).toList(growable: false);
-    final precompileBinaries = PrecompileBinaries(
-      privateKey: PrivateKey(privateKey),
-      githubToken: githubToken,
-      manifestDir: manifestDir,
-      repositorySlug: RepositorySlug.full(argResults!['repository'] as String),
-      targets: targets,
-      androidSdkLocation: argResults!['android-sdk-location'] as String?,
-      androidNdkVersion: argResults!['android-ndk-version'] as String?,
-      androidMinSdkVersion: androidMinSdkVersion,
-      tempDir: argResults!['temp-dir'] as String?,
-    );
-
-    await precompileBinaries.run();
-  }
-}
-
-class VerifyBinariesCommand extends Command {
-  VerifyBinariesCommand() {
-    argParser.addOption(
-      'manifest-dir',
-      mandatory: true,
-      help: 'Directory containing Cargo.toml',
-    );
-  }
-
-  @override
-  final name = "verify-binaries";
-
-  @override
-  final description = 'Verifies published binaries\n'
-      'Checks whether there is a binary published for each targets\n'
-      'and checks the signature.';
-
-  @override
-  Future<void> run() async {
-    final manifestDir = argResults!['manifest-dir'] as String;
-    final verifyBinaries = VerifyBinaries(
-      manifestDir: manifestDir,
-    );
-    await verifyBinaries.run();
-  }
-}
-
-Future<void> runMain(List<String> args) async {
-  try {
-    // Init logging before options are loaded
-    initLogging();
-
-    if (Platform.environment['_CARGOKIT_NDK_LINK_TARGET'] != null) {
-      return AndroidEnvironment.clangLinkerWrapper(args);
-    }
-
-    final runner = CommandRunner('build_tool', 'Cargokit built_tool')
-      ..addCommand(BuildPodCommand())
-      ..addCommand(BuildGradleCommand())
-      ..addCommand(BuildCMakeCommand())
-      ..addCommand(GenKeyCommand())
-      ..addCommand(PrecompileBinariesCommand())
-      ..addCommand(VerifyBinariesCommand());
-
-    await runner.run(args);
-  } on ArgumentError catch (e) {
-    stderr.writeln(e.toString());
-    exit(1);
-  } catch (e, s) {
-    log.severe(kDoubleSeparator);
-    log.severe('Cargokit BuildTool failed with error:');
-    log.severe(kSeparator);
-    log.severe(e);
-    // This tells user to install Rust, there's no need to pollute the log with
-    // stack trace.
-    if (e is! RustupNotFoundException) {
-      log.severe(kSeparator);
-      log.severe(s);
-      log.severe(kSeparator);
-      log.severe('BuildTool arguments: $args');
-    }
-    log.severe(kDoubleSeparator);
-    exit(1);
-  }
-}

rust_builder/cargokit/build_tool/lib/src/builder.dart

@@ -1,198 +0,0 @@
-/// This is copied from Cargokit (which is the official way to use it currently)
-/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
-
-import 'package:collection/collection.dart';
-import 'package:logging/logging.dart';
-import 'package:path/path.dart' as path;
-
-import 'android_environment.dart';
-import 'cargo.dart';
-import 'environment.dart';
-import 'options.dart';
-import 'rustup.dart';
-import 'target.dart';
-import 'util.dart';
-
-final _log = Logger('builder');
-
-enum BuildConfiguration {
-  debug,
-  release,
-  profile,
-}
-
-extension on BuildConfiguration {
-  bool get isDebug => this == BuildConfiguration.debug;
-  String get rustName => switch (this) {
-        BuildConfiguration.debug => 'debug',
-        BuildConfiguration.release => 'release',
-        BuildConfiguration.profile => 'release',
-      };
-}
-
-class BuildException implements Exception {
-  final String message;
-
-  BuildException(this.message);
-
-  @override
-  String toString() {
-    return 'BuildException: $message';
-  }
-}
-
-class BuildEnvironment {
-  final BuildConfiguration configuration;
-  final CargokitCrateOptions crateOptions;
-  final String targetTempDir;
-  final String manifestDir;
-  final CrateInfo crateInfo;
-
-  final bool isAndroid;
-  final String? androidSdkPath;
-  final String? androidNdkVersion;
-  final int? androidMinSdkVersion;
-  final String? javaHome;
-
-  BuildEnvironment({
-    required this.configuration,
-    required this.crateOptions,
-    required this.targetTempDir,
-    required this.manifestDir,
-    required this.crateInfo,
-    required this.isAndroid,
-    this.androidSdkPath,
-    this.androidNdkVersion,
-    this.androidMinSdkVersion,
-    this.javaHome,
-  });
-
-  static BuildConfiguration parseBuildConfiguration(String value) {
-    // XCode configuration adds the flavor to configuration name.
-    final firstSegment = value.split('-').first;
-    final buildConfiguration = BuildConfiguration.values.firstWhereOrNull(
-      (e) => e.name == firstSegment,
-    );
-    if (buildConfiguration == null) {
-      _log.warning('Unknown build configuraiton $value, will assume release');
-      return BuildConfiguration.release;
-    }
-    return buildConfiguration;
-  }
-
-  static BuildEnvironment fromEnvironment({
-    required bool isAndroid,
-  }) {
-    final buildConfiguration =
-        parseBuildConfiguration(Environment.configuration);
-    final manifestDir = Environment.manifestDir;
-    final crateOptions = CargokitCrateOptions.load(
-      manifestDir: manifestDir,
-    );
-    final crateInfo = CrateInfo.load(manifestDir);
-    return BuildEnvironment(
-      configuration: buildConfiguration,
-      crateOptions: crateOptions,
-      targetTempDir: Environment.targetTempDir,
-      manifestDir: manifestDir,
-      crateInfo: crateInfo,
-      isAndroid: isAndroid,
-      androidSdkPath: isAndroid ? Environment.sdkPath : null,
-      androidNdkVersion: isAndroid ? Environment.ndkVersion : null,
-      androidMinSdkVersion:
-          isAndroid ? int.parse(Environment.minSdkVersion) : null,
-      javaHome: isAndroid ? Environment.javaHome : null,
-    );
-  }
-}
-
-class RustBuilder {
-  final Target target;
-  final BuildEnvironment environment;
-
-  RustBuilder({
-    required this.target,
-    required this.environment,
-  });
-
-  void prepare(
-    Rustup rustup,
-  ) {
-    final toolchain = _toolchain;
-    if (rustup.installedTargets(toolchain) == null) {
-      rustup.installToolchain(toolchain);
-    }
-    if (toolchain == 'nightly') {
-      rustup.installRustSrcForNightly();
-    }
-    if (!rustup.installedTargets(toolchain)!.contains(target.rust)) {
-      rustup.installTarget(target.rust, toolchain: toolchain);
-    }
-  }
-
-  CargoBuildOptions? get _buildOptions =>
-      environment.crateOptions.cargo[environment.configuration];
-
-  String get _toolchain => _buildOptions?.toolchain.name ?? 'stable';
-
-  /// Returns the path of directory containing build artifacts.
-  Future<String> build() async {
-    final extraArgs = _buildOptions?.flags ?? [];
-    final manifestPath = path.join(environment.manifestDir, 'Cargo.toml');
-    runCommand(
-      'rustup',
-      [
-        'run',
-        _toolchain,
-        'cargo',
-        'build',
-        ...extraArgs,
-        '--manifest-path',
-        manifestPath,
-        '-p',
-        environment.crateInfo.packageName,
-        if (!environment.configuration.isDebug) '--release',
-        '--target',
-        target.rust,
-        '--target-dir',
-        environment.targetTempDir,
-      ],
-      environment: await _buildEnvironment(),
-    );
-    return path.join(
-      environment.targetTempDir,
-      target.rust,
-      environment.configuration.rustName,
-    );
-  }
-
-  Future<Map<String, String>> _buildEnvironment() async {
-    if (target.android == null) {
-      return {};
-    } else {
-      final sdkPath = environment.androidSdkPath;
-      final ndkVersion = environment.androidNdkVersion;
-      final minSdkVersion = environment.androidMinSdkVersion;
-      if (sdkPath == null) {
-        throw BuildException('androidSdkPath is not set');
-      }
-      if (ndkVersion == null) {
-        throw BuildException('androidNdkVersion is not set');
-      }
-      if (minSdkVersion == null) {
-        throw BuildException('androidMinSdkVersion is not set');
-      }
-      final env = AndroidEnvironment(
-        sdkPath: sdkPath,
-        ndkVersion: ndkVersion,
-        minSdkVersion: minSdkVersion,
-        targetTempDir: environment.targetTempDir,
-        target: target,
-      );
-      if (!env.ndkIsInstalled() && environment.javaHome != null) {
-        env.installNdk(javaHome: environment.javaHome!);
-      }
-      return env.buildEnvironment();
-    }
-  }
-}

rust_builder/cargokit/build_tool/lib/src/cargo.dart

@@ -1,48 +0,0 @@
-/// This is copied from Cargokit (which is the official way to use it currently)
-/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
-
-import 'dart:io';
-
-import 'package:path/path.dart' as path;
-import 'package:toml/toml.dart';
-
-class ManifestException {
-  ManifestException(this.message, {required this.fileName});
-
-  final String? fileName;
-  final String message;
-
-  @override
-  String toString() {
-    if (fileName != null) {
-      return 'Failed to parse package manifest at $fileName: $message';
-    } else {
-      return 'Failed to parse package manifest: $message';
-    }
-  }
-}
-
-class CrateInfo {
-  CrateInfo({required this.packageName});
-
-  final String packageName;
-
-  static CrateInfo parseManifest(String manifest, {final String? fileName}) {
-    final toml = TomlDocument.parse(manifest);
-    final package = toml.toMap()['package'];
-    if (package == null) {
-      throw ManifestException('Missing package section', fileName: fileName);
-    }
-    final name = package['name'];
-    if (name == null) {
-      throw ManifestException('Missing package name', fileName: fileName);
-    }
-    return CrateInfo(packageName: name);
-  }
-
-  static CrateInfo load(String manifestDir) {
-    final manifestFile = File(path.join(manifestDir, 'Cargo.toml'));
-    final manifest = manifestFile.readAsStringSync();
-    return parseManifest(manifest, fileName: manifestFile.path);
-  }
-}

rust_builder/cargokit/build_tool/lib/src/crate_hash.dart

@@ -1,124 +0,0 @@
-/// This is copied from Cargokit (which is the official way to use it currently)
-/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
-
-import 'dart:convert';
-import 'dart:io';
-import 'dart:typed_data';
-
-import 'package:collection/collection.dart';
-import 'package:convert/convert.dart';
-import 'package:crypto/crypto.dart';
-import 'package:path/path.dart' as path;
-
-class CrateHash {
-  /// Computes a hash uniquely identifying crate content. This takes into account
-  /// content all all .rs files inside the src directory, as well as Cargo.toml,
-  /// Cargo.lock, build.rs and cargokit.yaml.
-  ///
-  /// If [tempStorage] is provided, computed hash is stored in a file in that directory
-  /// and reused on subsequent calls if the crate content hasn't changed.
-  static String compute(String manifestDir, {String? tempStorage}) {
-    return CrateHash._(
-      manifestDir: manifestDir,
-      tempStorage: tempStorage,
-    )._compute();
-  }
-
-  CrateHash._({
-    required this.manifestDir,
-    required this.tempStorage,
-  });
-
-  String _compute() {
-    final files = getFiles();
-    final tempStorage = this.tempStorage;
-    if (tempStorage != null) {
-      final quickHash = _computeQuickHash(files);
-      final quickHashFolder = Directory(path.join(tempStorage, 'crate_hash'));
-      quickHashFolder.createSync(recursive: true);
-      final quickHashFile = File(path.join(quickHashFolder.path, quickHash));
-      if (quickHashFile.existsSync()) {
-        return quickHashFile.readAsStringSync();
-      }
-      final hash = _computeHash(files);
-      quickHashFile.writeAsStringSync(hash);
-      return hash;
-    } else {
-      return _computeHash(files);
-    }
-  }
-
-  /// Computes a quick hash based on files stat (without reading contents). This
-  /// is used to cache the real hash, which is slower to compute since it involves
-  /// reading every single file.
-  String _computeQuickHash(List<File> files) {
-    final output = AccumulatorSink<Digest>();
-    final input = sha256.startChunkedConversion(output);
-
-    final data = ByteData(8);
-    for (final file in files) {
-      input.add(utf8.encode(file.path));
-      final stat = file.statSync();
-      data.setUint64(0, stat.size);
-      input.add(data.buffer.asUint8List());
-      data.setUint64(0, stat.modified.millisecondsSinceEpoch);
-      input.add(data.buffer.asUint8List());
-    }
-
-    input.close();
-    return base64Url.encode(output.events.single.bytes);
-  }
-
-  String _computeHash(List<File> files) {
-    final output = AccumulatorSink<Digest>();
-    final input = sha256.startChunkedConversion(output);
-
-    void addTextFile(File file) {
-      // text Files are hashed by lines in case we're dealing with github checkout
-      // that auto-converts line endings.
-      final splitter = LineSplitter();
-      if (file.existsSync()) {
-        final data = file.readAsStringSync();
-        final lines = splitter.convert(data);
-        for (final line in lines) {
-          input.add(utf8.encode(line));
-        }
-      }
-    }
-
-    for (final file in files) {
-      addTextFile(file);
-    }
-
-    input.close();
-    final res = output.events.single;
-
-    // Truncate to 128bits.
-    final hash = res.bytes.sublist(0, 16);
-    return hex.encode(hash);
-  }
-
-  List<File> getFiles() {
-    final src = Directory(path.join(manifestDir, 'src'));
-    final files = src
-        .listSync(recursive: true, followLinks: false)
-        .whereType<File>()
-        .toList();
-    files.sortBy((element) => element.path);
-    void addFile(String relative) {
-      final file = File(path.join(manifestDir, relative));
-      if (file.existsSync()) {
-        files.add(file);
-      }
-    }
-
-    addFile('Cargo.toml');
-    addFile('Cargo.lock');
-    addFile('build.rs');
-    addFile('cargokit.yaml');
-    return files;
-  }
-
-  final String manifestDir;
-  final String? tempStorage;
-}

rust_builder/cargokit/build_tool/lib/src/environment.dart

@@ -1,68 +0,0 @@
-/// This is copied from Cargokit (which is the official way to use it currently)
-/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
-
-import 'dart:io';
-
-extension on String {
-  String resolveSymlink() => File(this).resolveSymbolicLinksSync();
-}
-
-class Environment {
-  /// Current build configuration (debug or release).
-  static String get configuration =>
-      _getEnv("CARGOKIT_CONFIGURATION").toLowerCase();
-
-  static bool get isDebug => configuration == 'debug';
-  static bool get isRelease => configuration == 'release';
-
-  /// Temporary directory where Rust build artifacts are placed.
-  static String get targetTempDir => _getEnv("CARGOKIT_TARGET_TEMP_DIR");
-
-  /// Final output directory where the build artifacts are placed.
-  static String get outputDir => _getEnvPath('CARGOKIT_OUTPUT_DIR');
-
-  /// Path to the crate manifest (containing Cargo.toml).
-  static String get manifestDir => _getEnvPath('CARGOKIT_MANIFEST_DIR');
-
-  /// Directory inside root project. Not necessarily root folder. Symlinks are
-  /// not resolved on purpose.
-  static String get rootProjectDir => _getEnv('CARGOKIT_ROOT_PROJECT_DIR');
-
-  // Pod
-
-  /// Platform name (macosx, iphoneos, iphonesimulator).
-  static String get darwinPlatformName =>
-      _getEnv("CARGOKIT_DARWIN_PLATFORM_NAME");
-
-  /// List of architectures to build for (arm64, armv7, x86_64).
-  static List<String> get darwinArchs =>
-      _getEnv("CARGOKIT_DARWIN_ARCHS").split(' ');
-
-  // Gradle
-  static String get minSdkVersion => _getEnv("CARGOKIT_MIN_SDK_VERSION");
-  static String get ndkVersion => _getEnv("CARGOKIT_NDK_VERSION");
-  static String get sdkPath => _getEnvPath("CARGOKIT_SDK_DIR");
-  static String get javaHome => _getEnvPath("CARGOKIT_JAVA_HOME");
-  static List<String> get targetPlatforms =>
-      _getEnv("CARGOKIT_TARGET_PLATFORMS").split(',');
-
-  // CMAKE
-  static String get targetPlatform => _getEnv("CARGOKIT_TARGET_PLATFORM");
-
-  static String _getEnv(String key) {
-    final res = Platform.environment[key];
-    if (res == null) {
-      throw Exception("Missing environment variable $key");
-    }
-    return res;
-  }
-
-  static String _getEnvPath(String key) {
-    final res = _getEnv(key);
-    if (Directory(res).existsSync()) {
-      return res.resolveSymlink();
-    } else {
-      return res;
-    }
-  }
-}

rust_builder/cargokit/build_tool/lib/src/logging.dart

@@ -1,52 +0,0 @@
-/// This is copied from Cargokit (which is the official way to use it currently)
-/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
-
-import 'dart:io';
-
-import 'package:logging/logging.dart';
-
-const String kSeparator = "--";
-const String kDoubleSeparator = "==";
-
-bool _lastMessageWasSeparator = false;
-
-void _log(LogRecord rec) {
-  final prefix = '${rec.level.name}: ';
-  final out = rec.level == Level.SEVERE ? stderr : stdout;
-  if (rec.message == kSeparator) {
-    if (!_lastMessageWasSeparator) {
-      out.write(prefix);
-      out.writeln('-' * 80);
-      _lastMessageWasSeparator = true;
-    }
-    return;
-  } else if (rec.message == kDoubleSeparator) {
-    out.write(prefix);
-    out.writeln('=' * 80);
-    _lastMessageWasSeparator = true;
-    return;
-  }
-  out.write(prefix);
-  out.writeln(rec.message);
-  _lastMessageWasSeparator = false;
-}
-
-void initLogging() {
-  Logger.root.level = Level.INFO;
-  Logger.root.onRecord.listen((LogRecord rec) {
-    final lines = rec.message.split('\n');
-    for (final line in lines) {
-      if (line.isNotEmpty || lines.length == 1 || line != lines.last) {
-        _log(LogRecord(
-          rec.level,
-          line,
-          rec.loggerName,
-        ));
-      }
-    }
-  });
-}
-
-void enableVerboseLogging() {
-  Logger.root.level = Level.ALL;
-}

rust_builder/cargokit/build_tool/lib/src/options.dart

@@ -1,309 +0,0 @@
-/// This is copied from Cargokit (which is the official way to use it currently)
-/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
-
-import 'dart:io';
-
-import 'package:collection/collection.dart';
-import 'package:ed25519_edwards/ed25519_edwards.dart';
-import 'package:hex/hex.dart';
-import 'package:logging/logging.dart';
-import 'package:path/path.dart' as path;
-import 'package:source_span/source_span.dart';
-import 'package:yaml/yaml.dart';
-
-import 'builder.dart';
-import 'environment.dart';
-import 'rustup.dart';
-
-final _log = Logger('options');
-
-/// A class for exceptions that have source span information attached.
-class SourceSpanException implements Exception {
-  // This is a getter so that subclasses can override it.
-  /// A message describing the exception.
-  String get message => _message;
-  final String _message;
-
-  // This is a getter so that subclasses can override it.
-  /// The span associated with this exception.
-  ///
-  /// This may be `null` if the source location can't be determined.
-  SourceSpan? get span => _span;
-  final SourceSpan? _span;
-
-  SourceSpanException(this._message, this._span);
-
-  /// Returns a string representation of `this`.
-  ///
-  /// [color] may either be a [String], a [bool], or `null`. If it's a string,
-  /// it indicates an ANSI terminal color escape that should be used to
-  /// highlight the span's text. If it's `true`, it indicates that the text
-  /// should be highlighted using the default color. If it's `false` or `null`,
-  /// it indicates that the text shouldn't be highlighted.
-  @override
-  String toString({Object? color}) {
-    if (span == null) return message;
-    return 'Error on ${span!.message(message, color: color)}';
-  }
-}
-
-enum Toolchain {
-  stable,
-  beta,
-  nightly,
-}
-
-class CargoBuildOptions {
-  final Toolchain toolchain;
-  final List<String> flags;
-
-  CargoBuildOptions({
-    required this.toolchain,
-    required this.flags,
-  });
-
-  static Toolchain _toolchainFromNode(YamlNode node) {
-    if (node case YamlScalar(value: String name)) {
-      final toolchain =
-          Toolchain.values.firstWhereOrNull((element) => element.name == name);
-      if (toolchain != null) {
-        return toolchain;
-      }
-    }
-    throw SourceSpanException(
-        'Unknown toolchain. Must be one of ${Toolchain.values.map((e) => e.name)}.',
-        node.span);
-  }
-
-  static CargoBuildOptions parse(YamlNode node) {
-    if (node is! YamlMap) {
-      throw SourceSpanException('Cargo options must be a map', node.span);
-    }
-    Toolchain toolchain = Toolchain.stable;
-    List<String> flags = [];
-    for (final MapEntry(:key, :value) in node.nodes.entries) {
-      if (key case YamlScalar(value: 'toolchain')) {
-        toolchain = _toolchainFromNode(value);
-      } else if (key case YamlScalar(value: 'extra_flags')) {
-        if (value case YamlList(nodes: List<YamlNode> list)) {
-          if (list.every((element) {
-            if (element case YamlScalar(value: String _)) {
-              return true;
-            }
-            return false;
-          })) {
-            flags = list.map((e) => e.value as String).toList();
-            continue;
-          }
-        }
-        throw SourceSpanException(
-            'Extra flags must be a list of strings', value.span);
-      } else {
-        throw SourceSpanException(
-            'Unknown cargo option type. Must be "toolchain" or "extra_flags".',
-            key.span);
-      }
-    }
-    return CargoBuildOptions(toolchain: toolchain, flags: flags);
-  }
-}
-
-extension on YamlMap {
-  /// Map that extracts keys so that we can do map case check on them.
-  Map<dynamic, YamlNode> get valueMap =>
-      nodes.map((key, value) => MapEntry(key.value, value));
-}
-
-class PrecompiledBinaries {
-  final String uriPrefix;
-  final PublicKey publicKey;
-
-  PrecompiledBinaries({
-    required this.uriPrefix,
-    required this.publicKey,
-  });
-
-  static PublicKey _publicKeyFromHex(String key, SourceSpan? span) {
-    final bytes = HEX.decode(key);
-    if (bytes.length != 32) {
-      throw SourceSpanException(
-          'Invalid public key. Must be 32 bytes long.', span);
-    }
-    return PublicKey(bytes);
-  }
-
-  static PrecompiledBinaries parse(YamlNode node) {
-    if (node case YamlMap(valueMap: Map<dynamic, YamlNode> map)) {
-      if (map
-          case {
-            'url_prefix': YamlNode urlPrefixNode,
-            'public_key': YamlNode publicKeyNode,
-          }) {
-        final urlPrefix = switch (urlPrefixNode) {
-          YamlScalar(value: String urlPrefix) => urlPrefix,
-          _ => throw SourceSpanException(
-              'Invalid URL prefix value.', urlPrefixNode.span),
-        };
-        final publicKey = switch (publicKeyNode) {
-          YamlScalar(value: String publicKey) =>
-            _publicKeyFromHex(publicKey, publicKeyNode.span),
-          _ => throw SourceSpanException(
-              'Invalid public key value.', publicKeyNode.span),
-        };
-        return PrecompiledBinaries(
-          uriPrefix: urlPrefix,
-          publicKey: publicKey,
-        );
-      }
-    }
-    throw SourceSpanException(
-        'Invalid precompiled binaries value. '
-        'Expected Map with "url_prefix" and "public_key".',
-        node.span);
-  }
-}
-
-/// Cargokit options specified for Rust crate.
-class CargokitCrateOptions {
-  CargokitCrateOptions({
-    this.cargo = const {},
-    this.precompiledBinaries,
-  });
-
-  final Map<BuildConfiguration, CargoBuildOptions> cargo;
-  final PrecompiledBinaries? precompiledBinaries;
-
-  static CargokitCrateOptions parse(YamlNode node) {
-    if (node is! YamlMap) {
-      throw SourceSpanException('Cargokit options must be a map', node.span);
-    }
-    final options = <BuildConfiguration, CargoBuildOptions>{};
-    PrecompiledBinaries? precompiledBinaries;
-
-    for (final entry in node.nodes.entries) {
-      if (entry
-          case MapEntry(
-            key: YamlScalar(value: 'cargo'),
-            value: YamlNode node,
-          )) {
-        if (node is! YamlMap) {
-          throw SourceSpanException('Cargo options must be a map', node.span);
-        }
-        for (final MapEntry(:YamlNode key, :value) in node.nodes.entries) {
-          if (key case YamlScalar(value: String name)) {
-            final configuration = BuildConfiguration.values
-                .firstWhereOrNull((element) => element.name == name);
-            if (configuration != null) {
-              options[configuration] = CargoBuildOptions.parse(value);
-              continue;
-            }
-          }
-          throw SourceSpanException(
-              'Unknown build configuration. Must be one of ${BuildConfiguration.values.map((e) => e.name)}.',
-              key.span);
-        }
-      } else if (entry.key case YamlScalar(value: 'precompiled_binaries')) {
-        precompiledBinaries = PrecompiledBinaries.parse(entry.value);
-      } else {
-        throw SourceSpanException(
-            'Unknown cargokit option type. Must be "cargo" or "precompiled_binaries".',
-            entry.key.span);
-      }
-    }
-    return CargokitCrateOptions(
-      cargo: options,
-      precompiledBinaries: precompiledBinaries,
-    );
-  }
-
-  static CargokitCrateOptions load({
-    required String manifestDir,
-  }) {
-    final uri = Uri.file(path.join(manifestDir, "cargokit.yaml"));
-    final file = File.fromUri(uri);
-    if (file.existsSync()) {
-      final contents = loadYamlNode(file.readAsStringSync(), sourceUrl: uri);
-      return parse(contents);
-    } else {
-      return CargokitCrateOptions();
-    }
-  }
-}
-
-class CargokitUserOptions {
-  // When Rustup is installed always build locally unless user opts into
-  // using precompiled binaries.
-  static bool defaultUsePrecompiledBinaries() {
-    return Rustup.executablePath() == null;
-  }
-
-  CargokitUserOptions({
-    required this.usePrecompiledBinaries,
-    required this.verboseLogging,
-  });
-
-  CargokitUserOptions._()
-      : usePrecompiledBinaries = defaultUsePrecompiledBinaries(),
-        verboseLogging = false;
-
-  static CargokitUserOptions parse(YamlNode node) {
-    if (node is! YamlMap) {
-      throw SourceSpanException('Cargokit options must be a map', node.span);
-    }
-    bool usePrecompiledBinaries = defaultUsePrecompiledBinaries();
-    bool verboseLogging = false;
-
-    for (final entry in node.nodes.entries) {
-      if (entry.key case YamlScalar(value: 'use_precompiled_binaries')) {
-        if (entry.value case YamlScalar(value: bool value)) {
-          usePrecompiledBinaries = value;
-          continue;
-        }
-        throw SourceSpanException(
-            'Invalid value for "use_precompiled_binaries". Must be a boolean.',
-            entry.value.span);
-      } else if (entry.key case YamlScalar(value: 'verbose_logging')) {
-        if (entry.value case YamlScalar(value: bool value)) {
-          verboseLogging = value;
-          continue;
-        }
-        throw SourceSpanException(
-            'Invalid value for "verbose_logging". Must be a boolean.',
-            entry.value.span);
-      } else {
-        throw SourceSpanException(
-            'Unknown cargokit option type. Must be "use_precompiled_binaries" or "verbose_logging".',
-            entry.key.span);
-      }
-    }
-    return CargokitUserOptions(
-      usePrecompiledBinaries: usePrecompiledBinaries,
-      verboseLogging: verboseLogging,
-    );
-  }
-
-  static CargokitUserOptions load() {
-    String fileName = "cargokit_options.yaml";
-    var userProjectDir = Directory(Environment.rootProjectDir);
-
-    while (userProjectDir.parent.path != userProjectDir.path) {
-      final configFile = File(path.join(userProjectDir.path, fileName));
-      if (configFile.existsSync()) {
-        final contents = loadYamlNode(
-          configFile.readAsStringSync(),
-          sourceUrl: configFile.uri,
-        );
-        final res = parse(contents);
-        if (res.verboseLogging) {
-          _log.info('Found user options file at ${configFile.path}');
-        }
-        return res;
-      }
-      userProjectDir = userProjectDir.parent;
-    }
-    return CargokitUserOptions._();
-  }
-
-  final bool usePrecompiledBinaries;
-  final bool verboseLogging;
-}

rust_builder/cargokit/build_tool/lib/src/precompile_binaries.dart

@@ -1,202 +0,0 @@
-/// This is copied from Cargokit (which is the official way to use it currently)
-/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
-
-import 'dart:io';
-
-import 'package:ed25519_edwards/ed25519_edwards.dart';
-import 'package:github/github.dart';
-import 'package:logging/logging.dart';
-import 'package:path/path.dart' as path;
-
-import 'artifacts_provider.dart';
-import 'builder.dart';
-import 'cargo.dart';
-import 'crate_hash.dart';
-import 'options.dart';
-import 'rustup.dart';
-import 'target.dart';
-
-final _log = Logger('precompile_binaries');
-
-class PrecompileBinaries {
-  PrecompileBinaries({
-    required this.privateKey,
-    required this.githubToken,
-    required this.repositorySlug,
-    required this.manifestDir,
-    required this.targets,
-    this.androidSdkLocation,
-    this.androidNdkVersion,
-    this.androidMinSdkVersion,
-    this.tempDir,
-  });
-
-  final PrivateKey privateKey;
-  final String githubToken;
-  final RepositorySlug repositorySlug;
-  final String manifestDir;
-  final List<Target> targets;
-  final String? androidSdkLocation;
-  final String? androidNdkVersion;
-  final int? androidMinSdkVersion;
-  final String? tempDir;
-
-  static String fileName(Target target, String name) {
-    return '${target.rust}_$name';
-  }
-
-  static String signatureFileName(Target target, String name) {
-    return '${target.rust}_$name.sig';
-  }
-
-  Future<void> run() async {
-    final crateInfo = CrateInfo.load(manifestDir);
-
-    final targets = List.of(this.targets);
-    if (targets.isEmpty) {
-      targets.addAll([
-        ...Target.buildableTargets(),
-        if (androidSdkLocation != null) ...Target.androidTargets(),
-      ]);
-    }
-
-    _log.info('Precompiling binaries for $targets');
-
-    final hash = CrateHash.compute(manifestDir);
-    _log.info('Computed crate hash: $hash');
-
-    final String tagName = 'precompiled_$hash';
-
-    final github = GitHub(auth: Authentication.withToken(githubToken));
-    final repo = github.repositories;
-    final release = await _getOrCreateRelease(
-      repo: repo,
-      tagName: tagName,
-      packageName: crateInfo.packageName,
-      hash: hash,
-    );
-
-    final tempDir = this.tempDir != null
-        ? Directory(this.tempDir!)
-        : Directory.systemTemp.createTempSync('precompiled_');
-
-    tempDir.createSync(recursive: true);
-
-    final crateOptions = CargokitCrateOptions.load(
-      manifestDir: manifestDir,
-    );
-
-    final buildEnvironment = BuildEnvironment(
-      configuration: BuildConfiguration.release,
-      crateOptions: crateOptions,
-      targetTempDir: tempDir.path,
-      manifestDir: manifestDir,
-      crateInfo: crateInfo,
-      isAndroid: androidSdkLocation != null,
-      androidSdkPath: androidSdkLocation,
-      androidNdkVersion: androidNdkVersion,
-      androidMinSdkVersion: androidMinSdkVersion,
-    );
-
-    final rustup = Rustup();
-
-    for (final target in targets) {
-      final artifactNames = getArtifactNames(
-        target: target,
-        libraryName: crateInfo.packageName,
-        remote: true,
-      );
-
-      if (artifactNames.every((name) {
-        final fileName = PrecompileBinaries.fileName(target, name);
-        return (release.assets ?? []).any((e) => e.name == fileName);
-      })) {
-        _log.info("All artifacts for $target already exist - skipping");
-        continue;
-      }
-
-      _log.info('Building for $target');
-
-      final builder =
-          RustBuilder(target: target, environment: buildEnvironment);
-      builder.prepare(rustup);
-      final res = await builder.build();
-
-      final assets = <CreateReleaseAsset>[];
-      for (final name in artifactNames) {
-        final file = File(path.join(res, name));
-        if (!file.existsSync()) {
-          throw Exception('Missing artifact: ${file.path}');
-        }
-
-        final data = file.readAsBytesSync();
-        final create = CreateReleaseAsset(
-          name: PrecompileBinaries.fileName(target, name),
-          contentType: "application/octet-stream",
-          assetData: data,
-        );
-        final signature = sign(privateKey, data);
-        final signatureCreate = CreateReleaseAsset(
-          name: signatureFileName(target, name),
-          contentType: "application/octet-stream",
-          assetData: signature,
-        );
-        bool verified = verify(public(privateKey), data, signature);
-        if (!verified) {
-          throw Exception('Signature verification failed');
-        }
-        assets.add(create);
-        assets.add(signatureCreate);
-      }
-      _log.info('Uploading assets: ${assets.map((e) => e.name)}');
-      for (final asset in assets) {
-        // This seems to be failing on CI so do it one by one
-        int retryCount = 0;
-        while (true) {
-          try {
-            await repo.uploadReleaseAssets(release, [asset]);
-            break;
-          } on Exception catch (e) {
-            if (retryCount == 10) {
-              rethrow;
-            }
-            ++retryCount;
-            _log.shout(
-                'Upload failed (attempt $retryCount, will retry): ${e.toString()}');
-            await Future.delayed(Duration(seconds: 2));
-          }
-        }
-      }
-    }
-
-    _log.info('Cleaning up');
-    tempDir.deleteSync(recursive: true);
-  }
-
-  Future<Release> _getOrCreateRelease({
-    required RepositoriesService repo,
-    required String tagName,
-    required String packageName,
-    required String hash,
-  }) async {
-    Release release;
-    try {
-      _log.info('Fetching release $tagName');
-      release = await repo.getReleaseByTagName(repositorySlug, tagName);
-    } on ReleaseNotFound {
-      _log.info('Release not found - creating release $tagName');
-      release = await repo.createRelease(
-          repositorySlug,
-          CreateRelease.from(
-            tagName: tagName,
-            name: 'Precompiled binaries ${hash.substring(0, 8)}',
-            targetCommitish: null,
-            isDraft: false,
-            isPrerelease: false,
-            body: 'Precompiled binaries for crate $packageName, '
-                'crate hash $hash.',
-          ));
-    }
-    return release;
-  }
-}

rust_builder/cargokit/build_tool/lib/src/rustup.dart

@@ -1,136 +0,0 @@
-/// This is copied from Cargokit (which is the official way to use it currently)
-/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
-
-import 'dart:io';
-
-import 'package:collection/collection.dart';
-import 'package:path/path.dart' as path;
-
-import 'util.dart';
-
-class _Toolchain {
-  _Toolchain(
-    this.name,
-    this.targets,
-  );
-
-  final String name;
-  final List<String> targets;
-}
-
-class Rustup {
-  List<String>? installedTargets(String toolchain) {
-    final targets = _installedTargets(toolchain);
-    return targets != null ? List.unmodifiable(targets) : null;
-  }
-
-  void installToolchain(String toolchain) {
-    log.info("Installing Rust toolchain: $toolchain");
-    runCommand("rustup", ['toolchain', 'install', toolchain]);
-    _installedToolchains
-        .add(_Toolchain(toolchain, _getInstalledTargets(toolchain)));
-  }
-
-  void installTarget(
-    String target, {
-    required String toolchain,
-  }) {
-    log.info("Installing Rust target: $target");
-    runCommand("rustup", [
-      'target',
-      'add',
-      '--toolchain',
-      toolchain,
-      target,
-    ]);
-    _installedTargets(toolchain)?.add(target);
-  }
-
-  final List<_Toolchain> _installedToolchains;
-
-  Rustup() : _installedToolchains = _getInstalledToolchains();
-
-  List<String>? _installedTargets(String toolchain) => _installedToolchains
-      .firstWhereOrNull(
-          (e) => e.name == toolchain || e.name.startsWith('$toolchain-'))
-      ?.targets;
-
-  static List<_Toolchain> _getInstalledToolchains() {
-    String extractToolchainName(String line) {
-      // ignore (default) after toolchain name
-      final parts = line.split(' ');
-      return parts[0];
-    }
-
-    final res = runCommand("rustup", ['toolchain', 'list']);
-
-    // To list all non-custom toolchains, we need to filter out lines that
-    // don't start with "stable", "beta", or "nightly".
-    Pattern nonCustom = RegExp(r"^(stable|beta|nightly)");
-    final lines = res.stdout
-        .toString()
-        .split('\n')
-        .where((e) => e.isNotEmpty && e.startsWith(nonCustom))
-        .map(extractToolchainName)
-        .toList(growable: true);
-
-    return lines
-        .map(
-          (name) => _Toolchain(
-            name,
-            _getInstalledTargets(name),
-          ),
-        )
-        .toList(growable: true);
-  }
-
-  static List<String> _getInstalledTargets(String toolchain) {
-    final res = runCommand("rustup", [
-      'target',
-      'list',
-      '--toolchain',
-      toolchain,
-      '--installed',
-    ]);
-    final lines = res.stdout
-        .toString()
-        .split('\n')
-        .where((e) => e.isNotEmpty)
-        .toList(growable: true);
-    return lines;
-  }
-
-  bool _didInstallRustSrcForNightly = false;
-
-  void installRustSrcForNightly() {
-    if (_didInstallRustSrcForNightly) {
-      return;
-    }
-    // Useful for -Z build-std
-    runCommand(
-      "rustup",
-      ['component', 'add', 'rust-src', '--toolchain', 'nightly'],
-    );
-    _didInstallRustSrcForNightly = true;
-  }
-
-  static String? executablePath() {
-    final envPath = Platform.environment['PATH'];
-    final envPathSeparator = Platform.isWindows ? ';' : ':';
-    final home = Platform.isWindows
-        ? Platform.environment['USERPROFILE']
-        : Platform.environment['HOME'];
-    final paths = [
-      if (home != null) path.join(home, '.cargo', 'bin'),
-      if (envPath != null) ...envPath.split(envPathSeparator),
-    ];
-    for (final p in paths) {
-      final rustup = Platform.isWindows ? 'rustup.exe' : 'rustup';
-      final rustupPath = path.join(p, rustup);
-      if (File(rustupPath).existsSync()) {
-        return rustupPath;
-      }
-    }
-    return null;
-  }
-}

rust_builder/cargokit/build_tool/lib/src/target.dart

@@ -1,140 +0,0 @@
-/// This is copied from Cargokit (which is the official way to use it currently)
-/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
-
-import 'dart:io';
-
-import 'package:collection/collection.dart';
-
-import 'util.dart';
-
-class Target {
-  Target({
-    required this.rust,
-    this.flutter,
-    this.android,
-    this.androidMinSdkVersion,
-    this.darwinPlatform,
-    this.darwinArch,
-  });
-
-  static final all = [
-    Target(
-      rust: 'armv7-linux-androideabi',
-      flutter: 'android-arm',
-      android: 'armeabi-v7a',
-      androidMinSdkVersion: 16,
-    ),
-    Target(
-      rust: 'aarch64-linux-android',
-      flutter: 'android-arm64',
-      android: 'arm64-v8a',
-      androidMinSdkVersion: 21,
-    ),
-    Target(
-      rust: 'i686-linux-android',
-      flutter: 'android-x86',
-      android: 'x86',
-      androidMinSdkVersion: 16,
-    ),
-    Target(
-      rust: 'x86_64-linux-android',
-      flutter: 'android-x64',
-      android: 'x86_64',
-      androidMinSdkVersion: 21,
-    ),
-    Target(
-      rust: 'x86_64-pc-windows-msvc',
-      flutter: 'windows-x64',
-    ),
-    Target(
-      rust: 'x86_64-unknown-linux-gnu',
-      flutter: 'linux-x64',
-    ),
-    Target(
-      rust: 'aarch64-unknown-linux-gnu',
-      flutter: 'linux-arm64',
-    ),
-    Target(
-      rust: 'x86_64-apple-darwin',
-      darwinPlatform: 'macosx',
-      darwinArch: 'x86_64',
-    ),
-    Target(
-      rust: 'aarch64-apple-darwin',
-      darwinPlatform: 'macosx',
-      darwinArch: 'arm64',
-    ),
-    Target(
-      rust: 'aarch64-apple-ios',
-      darwinPlatform: 'iphoneos',
-      darwinArch: 'arm64',
-    ),
-    Target(
-      rust: 'aarch64-apple-ios-sim',
-      darwinPlatform: 'iphonesimulator',
-      darwinArch: 'arm64',
-    ),
-    Target(
-      rust: 'x86_64-apple-ios',
-      darwinPlatform: 'iphonesimulator',
-      darwinArch: 'x86_64',
-    ),
-  ];
-
-  static Target? forFlutterName(String flutterName) {
-    return all.firstWhereOrNull((element) => element.flutter == flutterName);
-  }
-
-  static Target? forDarwin({
-    required String platformName,
-    required String darwinAarch,
-  }) {
-    return all.firstWhereOrNull((element) => //
-        element.darwinPlatform == platformName &&
-        element.darwinArch == darwinAarch);
-  }
-
-  static Target? forRustTriple(String triple) {
-    return all.firstWhereOrNull((element) => element.rust == triple);
-  }
-
-  static List<Target> androidTargets() {
-    return all
-        .where((element) => element.android != null)
-        .toList(growable: false);
-  }
-
-  /// Returns buildable targets on current host platform ignoring Android targets.
-  static List<Target> buildableTargets() {
-    if (Platform.isLinux) {
-      // Right now we don't support cross-compiling on Linux. So we just return
-      // the host target.
-      final arch = runCommand('arch', []).stdout as String;
-      if (arch.trim() == 'aarch64') {
-        return [Target.forRustTriple('aarch64-unknown-linux-gnu')!];
-      } else {
-        return [Target.forRustTriple('x86_64-unknown-linux-gnu')!];
-      }
-    }
-    return all.where((target) {
-      if (Platform.isWindows) {
-        return target.rust.contains('-windows-');
-      } else if (Platform.isMacOS) {
-        return target.darwinPlatform != null;
-      }
-      return false;
-    }).toList(growable: false);
-  }
-
-  @override
-  String toString() {
-    return rust;
-  }
-
-  final String? flutter;
-  final String rust;
-  final String? android;
-  final int? androidMinSdkVersion;
-  final String? darwinPlatform;
-  final String? darwinArch;
-}

rust_builder/cargokit/build_tool/lib/src/util.dart

@@ -1,172 +0,0 @@
-/// This is copied from Cargokit (which is the official way to use it currently)
-/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
-
-import 'dart:convert';
-import 'dart:io';
-
-import 'package:logging/logging.dart';
-import 'package:path/path.dart' as path;
-
-import 'logging.dart';
-import 'rustup.dart';
-
-final log = Logger("process");
-
-class CommandFailedException implements Exception {
-  final String executable;
-  final List<String> arguments;
-  final ProcessResult result;
-
-  CommandFailedException({
-    required this.executable,
-    required this.arguments,
-    required this.result,
-  });
-
-  @override
-  String toString() {
-    final stdout = result.stdout.toString().trim();
-    final stderr = result.stderr.toString().trim();
-    return [
-      "External Command: $executable ${arguments.map((e) => '"$e"').join(' ')}",
-      "Returned Exit Code: ${result.exitCode}",
-      kSeparator,
-      "STDOUT:",
-      if (stdout.isNotEmpty) stdout,
-      kSeparator,
-      "STDERR:",
-      if (stderr.isNotEmpty) stderr,
-    ].join('\n');
-  }
-}
-
-class TestRunCommandArgs {
-  final String executable;
-  final List<String> arguments;
-  final String? workingDirectory;
-  final Map<String, String>? environment;
-  final bool includeParentEnvironment;
-  final bool runInShell;
-  final Encoding? stdoutEncoding;
-  final Encoding? stderrEncoding;
-
-  TestRunCommandArgs({
-    required this.executable,
-    required this.arguments,
-    this.workingDirectory,
-    this.environment,
-    this.includeParentEnvironment = true,
-    this.runInShell = false,
-    this.stdoutEncoding,
-    this.stderrEncoding,
-  });
-}
-
-class TestRunCommandResult {
-  TestRunCommandResult({
-    this.pid = 1,
-    this.exitCode = 0,
-    this.stdout = '',
-    this.stderr = '',
-  });
-
-  final int pid;
-  final int exitCode;
-  final String stdout;
-  final String stderr;
-}
-
-TestRunCommandResult Function(TestRunCommandArgs args)? testRunCommandOverride;
-
-ProcessResult runCommand(
-  String executable,
-  List<String> arguments, {
-  String? workingDirectory,
-  Map<String, String>? environment,
-  bool includeParentEnvironment = true,
-  bool runInShell = false,
-  Encoding? stdoutEncoding = systemEncoding,
-  Encoding? stderrEncoding = systemEncoding,
-}) {
-  if (testRunCommandOverride != null) {
-    final result = testRunCommandOverride!(TestRunCommandArgs(
-      executable: executable,
-      arguments: arguments,
-      workingDirectory: workingDirectory,
-      environment: environment,
-      includeParentEnvironment: includeParentEnvironment,
-      runInShell: runInShell,
-      stdoutEncoding: stdoutEncoding,
-      stderrEncoding: stderrEncoding,
-    ));
-    return ProcessResult(
-      result.pid,
-      result.exitCode,
-      result.stdout,
-      result.stderr,
-    );
-  }
-  log.finer('Running command $executable ${arguments.join(' ')}');
-  final res = Process.runSync(
-    _resolveExecutable(executable),
-    arguments,
-    workingDirectory: workingDirectory,
-    environment: environment,
-    includeParentEnvironment: includeParentEnvironment,
-    runInShell: runInShell,
-    stderrEncoding: stderrEncoding,
-    stdoutEncoding: stdoutEncoding,
-  );
-  if (res.exitCode != 0) {
-    throw CommandFailedException(
-      executable: executable,
-      arguments: arguments,
-      result: res,
-    );
-  } else {
-    return res;
-  }
-}
-
-class RustupNotFoundException implements Exception {
-  @override
-  String toString() {
-    return [
-      ' ',
-      'rustup not found in PATH.',
-      ' ',
-      'Maybe you need to install Rust? It only takes a minute:',
-      ' ',
-      if (Platform.isWindows) 'https://www.rust-lang.org/tools/install',
-      if (hasHomebrewRustInPath()) ...[
-        '\$ brew unlink rust # Unlink homebrew Rust from PATH',
-      ],
-      if (!Platform.isWindows)
-        "\$ curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh",
-      ' ',
-    ].join('\n');
-  }
-
-  static bool hasHomebrewRustInPath() {
-    if (!Platform.isMacOS) {
-      return false;
-    }
-    final envPath = Platform.environment['PATH'] ?? '';
-    final paths = envPath.split(':');
-    return paths.any((p) {
-      return p.contains('homebrew') && File(path.join(p, 'rustc')).existsSync();
-    });
-  }
-}
-
-String _resolveExecutable(String executable) {
-  if (executable == 'rustup') {
-    final resolved = Rustup.executablePath();
-    if (resolved != null) {
-      return resolved;
-    }
-    throw RustupNotFoundException();
-  } else {
-    return executable;
-  }
-}

rust_builder/cargokit/build_tool/lib/src/verify_binaries.dart

@@ -1,84 +0,0 @@
-/// This is copied from Cargokit (which is the official way to use it currently)
-/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
-
-import 'dart:io';
-
-import 'package:ed25519_edwards/ed25519_edwards.dart';
-import 'package:http/http.dart';
-
-import 'artifacts_provider.dart';
-import 'cargo.dart';
-import 'crate_hash.dart';
-import 'options.dart';
-import 'precompile_binaries.dart';
-import 'target.dart';
-
-class VerifyBinaries {
-  VerifyBinaries({
-    required this.manifestDir,
-  });
-
-  final String manifestDir;
-
-  Future<void> run() async {
-    final crateInfo = CrateInfo.load(manifestDir);
-
-    final config = CargokitCrateOptions.load(manifestDir: manifestDir);
-    final precompiledBinaries = config.precompiledBinaries;
-    if (precompiledBinaries == null) {
-      stdout.writeln('Crate does not support precompiled binaries.');
-    } else {
-      final crateHash = CrateHash.compute(manifestDir);
-      stdout.writeln('Crate hash: $crateHash');
-
-      for (final target in Target.all) {
-        final message = 'Checking ${target.rust}...';
-        stdout.write(message.padRight(40));
-        stdout.flush();
-
-        final artifacts = getArtifactNames(
-          target: target,
-          libraryName: crateInfo.packageName,
-          remote: true,
-        );
-
-        final prefix = precompiledBinaries.uriPrefix;
-
-        bool ok = true;
-
-        for (final artifact in artifacts) {
-          final fileName = PrecompileBinaries.fileName(target, artifact);
-          final signatureFileName =
-              PrecompileBinaries.signatureFileName(target, artifact);
-
-          final url = Uri.parse('$prefix$crateHash/$fileName');
-          final signatureUrl =
-              Uri.parse('$prefix$crateHash/$signatureFileName');
-
-          final signature = await get(signatureUrl);
-          if (signature.statusCode != 200) {
-            stdout.writeln('MISSING');
-            ok = false;
-            break;
-          }
-          final asset = await get(url);
-          if (asset.statusCode != 200) {
-            stdout.writeln('MISSING');
-            ok = false;
-            break;
-          }
-
-          if (!verify(precompiledBinaries.publicKey, asset.bodyBytes,
-              signature.bodyBytes)) {
-            stdout.writeln('INVALID SIGNATURE');
-            ok = false;
-          }
-        }
-
-        if (ok) {
-          stdout.writeln('OK');
-        }
-      }
-    }
-  }
-}

rust_builder/cargokit/build_tool/pubspec.lock

@@ -1,453 +0,0 @@
-# Generated by pub
-# See https://dart.dev/tools/pub/glossary#lockfile
-packages:
-  _fe_analyzer_shared:
-    dependency: transitive
-    description:
-      name: _fe_analyzer_shared
-      sha256: eb376e9acf6938204f90eb3b1f00b578640d3188b4c8a8ec054f9f479af8d051
-      url: "https://pub.dev"
-    source: hosted
-    version: "64.0.0"
-  adaptive_number:
-    dependency: transitive
-    description:
-      name: adaptive_number
-      sha256: "3a567544e9b5c9c803006f51140ad544aedc79604fd4f3f2c1380003f97c1d77"
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.0.0"
-  analyzer:
-    dependency: transitive
-    description:
-      name: analyzer
-      sha256: "69f54f967773f6c26c7dcb13e93d7ccee8b17a641689da39e878d5cf13b06893"
-      url: "https://pub.dev"
-    source: hosted
-    version: "6.2.0"
-  args:
-    dependency: "direct main"
-    description:
-      name: args
-      sha256: eef6c46b622e0494a36c5a12d10d77fb4e855501a91c1b9ef9339326e58f0596
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.4.2"
-  async:
-    dependency: transitive
-    description:
-      name: async
-      sha256: "947bfcf187f74dbc5e146c9eb9c0f10c9f8b30743e341481c1e2ed3ecc18c20c"
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.11.0"
-  boolean_selector:
-    dependency: transitive
-    description:
-      name: boolean_selector
-      sha256: "6cfb5af12253eaf2b368f07bacc5a80d1301a071c73360d746b7f2e32d762c66"
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.1.1"
-  collection:
-    dependency: "direct main"
-    description:
-      name: collection
-      sha256: ee67cb0715911d28db6bf4af1026078bd6f0128b07a5f66fb2ed94ec6783c09a
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.18.0"
-  convert:
-    dependency: "direct main"
-    description:
-      name: convert
-      sha256: "0f08b14755d163f6e2134cb58222dd25ea2a2ee8a195e53983d57c075324d592"
-      url: "https://pub.dev"
-    source: hosted
-    version: "3.1.1"
-  coverage:
-    dependency: transitive
-    description:
-      name: coverage
-      sha256: "2fb815080e44a09b85e0f2ca8a820b15053982b2e714b59267719e8a9ff17097"
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.6.3"
-  crypto:
-    dependency: "direct main"
-    description:
-      name: crypto
-      sha256: ff625774173754681d66daaf4a448684fb04b78f902da9cb3d308c19cc5e8bab
-      url: "https://pub.dev"
-    source: hosted
-    version: "3.0.3"
-  ed25519_edwards:
-    dependency: "direct main"
-    description:
-      name: ed25519_edwards
-      sha256: "6ce0112d131327ec6d42beede1e5dfd526069b18ad45dcf654f15074ad9276cd"
-      url: "https://pub.dev"
-    source: hosted
-    version: "0.3.1"
-  file:
-    dependency: transitive
-    description:
-      name: file
-      sha256: "1b92bec4fc2a72f59a8e15af5f52cd441e4a7860b49499d69dfa817af20e925d"
-      url: "https://pub.dev"
-    source: hosted
-    version: "6.1.4"
-  fixnum:
-    dependency: transitive
-    description:
-      name: fixnum
-      sha256: "25517a4deb0c03aa0f32fd12db525856438902d9c16536311e76cdc57b31d7d1"
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.1.0"
-  frontend_server_client:
-    dependency: transitive
-    description:
-      name: frontend_server_client
-      sha256: "408e3ca148b31c20282ad6f37ebfa6f4bdc8fede5b74bc2f08d9d92b55db3612"
-      url: "https://pub.dev"
-    source: hosted
-    version: "3.2.0"
-  github:
-    dependency: "direct main"
-    description:
-      name: github
-      sha256: "9966bc13bf612342e916b0a343e95e5f046c88f602a14476440e9b75d2295411"
-      url: "https://pub.dev"
-    source: hosted
-    version: "9.17.0"
-  glob:
-    dependency: transitive
-    description:
-      name: glob
-      sha256: "0e7014b3b7d4dac1ca4d6114f82bf1782ee86745b9b42a92c9289c23d8a0ab63"
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.1.2"
-  hex:
-    dependency: "direct main"
-    description:
-      name: hex
-      sha256: "4e7cd54e4b59ba026432a6be2dd9d96e4c5205725194997193bf871703b82c4a"
-      url: "https://pub.dev"
-    source: hosted
-    version: "0.2.0"
-  http:
-    dependency: "direct main"
-    description:
-      name: http
-      sha256: "759d1a329847dd0f39226c688d3e06a6b8679668e350e2891a6474f8b4bb8525"
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.1.0"
-  http_multi_server:
-    dependency: transitive
-    description:
-      name: http_multi_server
-      sha256: "97486f20f9c2f7be8f514851703d0119c3596d14ea63227af6f7a481ef2b2f8b"
-      url: "https://pub.dev"
-    source: hosted
-    version: "3.2.1"
-  http_parser:
-    dependency: transitive
-    description:
-      name: http_parser
-      sha256: "2aa08ce0341cc9b354a498388e30986515406668dbcc4f7c950c3e715496693b"
-      url: "https://pub.dev"
-    source: hosted
-    version: "4.0.2"
-  io:
-    dependency: transitive
-    description:
-      name: io
-      sha256: "2ec25704aba361659e10e3e5f5d672068d332fc8ac516421d483a11e5cbd061e"
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.0.4"
-  js:
-    dependency: transitive
-    description:
-      name: js
-      sha256: f2c445dce49627136094980615a031419f7f3eb393237e4ecd97ac15dea343f3
-      url: "https://pub.dev"
-    source: hosted
-    version: "0.6.7"
-  json_annotation:
-    dependency: transitive
-    description:
-      name: json_annotation
-      sha256: b10a7b2ff83d83c777edba3c6a0f97045ddadd56c944e1a23a3fdf43a1bf4467
-      url: "https://pub.dev"
-    source: hosted
-    version: "4.8.1"
-  lints:
-    dependency: "direct dev"
-    description:
-      name: lints
-      sha256: "0a217c6c989d21039f1498c3ed9f3ed71b354e69873f13a8dfc3c9fe76f1b452"
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.1.1"
-  logging:
-    dependency: "direct main"
-    description:
-      name: logging
-      sha256: "623a88c9594aa774443aa3eb2d41807a48486b5613e67599fb4c41c0ad47c340"
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.2.0"
-  matcher:
-    dependency: transitive
-    description:
-      name: matcher
-      sha256: "1803e76e6653768d64ed8ff2e1e67bea3ad4b923eb5c56a295c3e634bad5960e"
-      url: "https://pub.dev"
-    source: hosted
-    version: "0.12.16"
-  meta:
-    dependency: transitive
-    description:
-      name: meta
-      sha256: "3c74dbf8763d36539f114c799d8a2d87343b5067e9d796ca22b5eb8437090ee3"
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.9.1"
-  mime:
-    dependency: transitive
-    description:
-      name: mime
-      sha256: e4ff8e8564c03f255408decd16e7899da1733852a9110a58fe6d1b817684a63e
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.0.4"
-  node_preamble:
-    dependency: transitive
-    description:
-      name: node_preamble
-      sha256: "6e7eac89047ab8a8d26cf16127b5ed26de65209847630400f9aefd7cd5c730db"
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.0.2"
-  package_config:
-    dependency: transitive
-    description:
-      name: package_config
-      sha256: "1c5b77ccc91e4823a5af61ee74e6b972db1ef98c2ff5a18d3161c982a55448bd"
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.1.0"
-  path:
-    dependency: "direct main"
-    description:
-      name: path
-      sha256: "2ad4cddff7f5cc0e2d13069f2a3f7a73ca18f66abd6f5ecf215219cdb3638edb"
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.8.0"
-  petitparser:
-    dependency: transitive
-    description:
-      name: petitparser
-      sha256: cb3798bef7fc021ac45b308f4b51208a152792445cce0448c9a4ba5879dd8750
-      url: "https://pub.dev"
-    source: hosted
-    version: "5.4.0"
-  pool:
-    dependency: transitive
-    description:
-      name: pool
-      sha256: "20fe868b6314b322ea036ba325e6fc0711a22948856475e2c2b6306e8ab39c2a"
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.5.1"
-  pub_semver:
-    dependency: transitive
-    description:
-      name: pub_semver
-      sha256: "40d3ab1bbd474c4c2328c91e3a7df8c6dd629b79ece4c4bd04bee496a224fb0c"
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.1.4"
-  shelf:
-    dependency: transitive
-    description:
-      name: shelf
-      sha256: ad29c505aee705f41a4d8963641f91ac4cee3c8fad5947e033390a7bd8180fa4
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.4.1"
-  shelf_packages_handler:
-    dependency: transitive
-    description:
-      name: shelf_packages_handler
-      sha256: "89f967eca29607c933ba9571d838be31d67f53f6e4ee15147d5dc2934fee1b1e"
-      url: "https://pub.dev"
-    source: hosted
-    version: "3.0.2"
-  shelf_static:
-    dependency: transitive
-    description:
-      name: shelf_static
-      sha256: a41d3f53c4adf0f57480578c1d61d90342cd617de7fc8077b1304643c2d85c1e
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.1.2"
-  shelf_web_socket:
-    dependency: transitive
-    description:
-      name: shelf_web_socket
-      sha256: "9ca081be41c60190ebcb4766b2486a7d50261db7bd0f5d9615f2d653637a84c1"
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.0.4"
-  source_map_stack_trace:
-    dependency: transitive
-    description:
-      name: source_map_stack_trace
-      sha256: "84cf769ad83aa6bb61e0aa5a18e53aea683395f196a6f39c4c881fb90ed4f7ae"
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.1.1"
-  source_maps:
-    dependency: transitive
-    description:
-      name: source_maps
-      sha256: "708b3f6b97248e5781f493b765c3337db11c5d2c81c3094f10904bfa8004c703"
-      url: "https://pub.dev"
-    source: hosted
-    version: "0.10.12"
-  source_span:
-    dependency: "direct main"
-    description:
-      name: source_span
-      sha256: "53e943d4206a5e30df338fd4c6e7a077e02254531b138a15aec3bd143c1a8b3c"
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.10.0"
-  stack_trace:
-    dependency: transitive
-    description:
-      name: stack_trace
-      sha256: "73713990125a6d93122541237550ee3352a2d84baad52d375a4cad2eb9b7ce0b"
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.11.1"
-  stream_channel:
-    dependency: transitive
-    description:
-      name: stream_channel
-      sha256: ba2aa5d8cc609d96bbb2899c28934f9e1af5cddbd60a827822ea467161eb54e7
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.1.2"
-  string_scanner:
-    dependency: transitive
-    description:
-      name: string_scanner
-      sha256: "556692adab6cfa87322a115640c11f13cb77b3f076ddcc5d6ae3c20242bedcde"
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.2.0"
-  term_glyph:
-    dependency: transitive
-    description:
-      name: term_glyph
-      sha256: a29248a84fbb7c79282b40b8c72a1209db169a2e0542bce341da992fe1bc7e84
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.2.1"
-  test:
-    dependency: "direct dev"
-    description:
-      name: test
-      sha256: "9b0dd8e36af4a5b1569029949d50a52cb2a2a2fdaa20cebb96e6603b9ae241f9"
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.24.6"
-  test_api:
-    dependency: transitive
-    description:
-      name: test_api
-      sha256: "5c2f730018264d276c20e4f1503fd1308dfbbae39ec8ee63c5236311ac06954b"
-      url: "https://pub.dev"
-    source: hosted
-    version: "0.6.1"
-  test_core:
-    dependency: transitive
-    description:
-      name: test_core
-      sha256: "4bef837e56375537055fdbbbf6dd458b1859881f4c7e6da936158f77d61ab265"
-      url: "https://pub.dev"
-    source: hosted
-    version: "0.5.6"
-  toml:
-    dependency: "direct main"
-    description:
-      name: toml
-      sha256: "157c5dca5160fced243f3ce984117f729c788bb5e475504f3dbcda881accee44"
-      url: "https://pub.dev"
-    source: hosted
-    version: "0.14.0"
-  typed_data:
-    dependency: transitive
-    description:
-      name: typed_data
-      sha256: facc8d6582f16042dd49f2463ff1bd6e2c9ef9f3d5da3d9b087e244a7b564b3c
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.3.2"
-  version:
-    dependency: "direct main"
-    description:
-      name: version
-      sha256: "2307e23a45b43f96469eeab946208ed63293e8afca9c28cd8b5241ff31c55f55"
-      url: "https://pub.dev"
-    source: hosted
-    version: "3.0.0"
-  vm_service:
-    dependency: transitive
-    description:
-      name: vm_service
-      sha256: "0fae432c85c4ea880b33b497d32824b97795b04cdaa74d270219572a1f50268d"
-      url: "https://pub.dev"
-    source: hosted
-    version: "11.9.0"
-  watcher:
-    dependency: transitive
-    description:
-      name: watcher
-      sha256: "3d2ad6751b3c16cf07c7fca317a1413b3f26530319181b37e3b9039b84fc01d8"
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.1.0"
-  web_socket_channel:
-    dependency: transitive
-    description:
-      name: web_socket_channel
-      sha256: d88238e5eac9a42bb43ca4e721edba3c08c6354d4a53063afaa568516217621b
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.4.0"
-  webkit_inspection_protocol:
-    dependency: transitive
-    description:
-      name: webkit_inspection_protocol
-      sha256: "67d3a8b6c79e1987d19d848b0892e582dbb0c66c57cc1fef58a177dd2aa2823d"
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.2.0"
-  yaml:
-    dependency: "direct main"
-    description:
-      name: yaml
-      sha256: "75769501ea3489fca56601ff33454fe45507ea3bfb014161abc3b43ae25989d5"
-      url: "https://pub.dev"
-    source: hosted
-    version: "3.1.2"
-sdks:
-  dart: ">=3.0.0 <4.0.0"

rust_builder/cargokit/build_tool/pubspec.yaml

@@ -1,33 +0,0 @@
-# This is copied from Cargokit (which is the official way to use it currently)
-# Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
-
-name: build_tool
-description: Cargokit build_tool. Facilitates the build of Rust crate during Flutter application build.
-publish_to: none
-version: 1.0.0
-
-environment:
-  sdk: ">=3.0.0 <4.0.0"
-
-# Add regular dependencies here.
-dependencies:
-  # these are pinned on purpose because the bundle_tool_runner doesn't have
-  # pubspec.lock. See run_build_tool.sh
-  logging: 1.2.0
-  path: 1.8.0
-  version: 3.0.0
-  collection: 1.18.0
-  ed25519_edwards: 0.3.1
-  hex: 0.2.0
-  yaml: 3.1.2
-  source_span: 1.10.0
-  github: 9.17.0
-  args: 2.4.2
-  crypto: 3.0.3
-  convert: 3.1.1
-  http: 1.1.0
-  toml: 0.14.0
-
-dev_dependencies:
-  lints: ^2.1.0
-  test: ^1.24.0

rust_builder/cargokit/cmake/cargokit.cmake

@@ -1,99 +0,0 @@
-SET(cargokit_cmake_root "${CMAKE_CURRENT_LIST_DIR}/..")
-
-# Workaround for https://github.com/dart-lang/pub/issues/4010
-get_filename_component(cargokit_cmake_root "${cargokit_cmake_root}" REALPATH)
-
-if(WIN32)
-    # REALPATH does not properly resolve symlinks on windows :-/
-    execute_process(COMMAND powershell -ExecutionPolicy Bypass -File "${CMAKE_CURRENT_LIST_DIR}/resolve_symlinks.ps1" "${cargokit_cmake_root}" OUTPUT_VARIABLE cargokit_cmake_root OUTPUT_STRIP_TRAILING_WHITESPACE)
-endif()
-
-# Arguments
-# - target: CMAKE target to which rust library is linked
-# - manifest_dir: relative path from current folder to directory containing cargo manifest
-# - lib_name: cargo package name
-# - any_symbol_name: name of any exported symbol from the library.
-#                    used on windows to force linking with library.
-function(apply_cargokit target manifest_dir lib_name any_symbol_name)
-
-    set(CARGOKIT_LIB_NAME "${lib_name}")
-    set(CARGOKIT_LIB_FULL_NAME "${CMAKE_SHARED_MODULE_PREFIX}${CARGOKIT_LIB_NAME}${CMAKE_SHARED_MODULE_SUFFIX}")
-    if (CMAKE_CONFIGURATION_TYPES)
-        set(CARGOKIT_OUTPUT_DIR "${CMAKE_CURRENT_BINARY_DIR}/$<CONFIG>")
-        set(OUTPUT_LIB "${CMAKE_CURRENT_BINARY_DIR}/$<CONFIG>/${CARGOKIT_LIB_FULL_NAME}")
-    else()
-        set(CARGOKIT_OUTPUT_DIR "${CMAKE_CURRENT_BINARY_DIR}")
-        set(OUTPUT_LIB "${CMAKE_CURRENT_BINARY_DIR}/${CARGOKIT_LIB_FULL_NAME}")
-    endif()
-    set(CARGOKIT_TEMP_DIR "${CMAKE_CURRENT_BINARY_DIR}/cargokit_build")
-
-    if (FLUTTER_TARGET_PLATFORM)
-        set(CARGOKIT_TARGET_PLATFORM "${FLUTTER_TARGET_PLATFORM}")
-    else()
-        set(CARGOKIT_TARGET_PLATFORM "windows-x64")
-    endif()
-
-    set(CARGOKIT_ENV
-        "CARGOKIT_CMAKE=${CMAKE_COMMAND}"
-        "CARGOKIT_CONFIGURATION=$<CONFIG>"
-        "CARGOKIT_MANIFEST_DIR=${CMAKE_CURRENT_SOURCE_DIR}/${manifest_dir}"
-        "CARGOKIT_TARGET_TEMP_DIR=${CARGOKIT_TEMP_DIR}"
-        "CARGOKIT_OUTPUT_DIR=${CARGOKIT_OUTPUT_DIR}"
-        "CARGOKIT_TARGET_PLATFORM=${CARGOKIT_TARGET_PLATFORM}"
-        "CARGOKIT_TOOL_TEMP_DIR=${CARGOKIT_TEMP_DIR}/tool"
-        "CARGOKIT_ROOT_PROJECT_DIR=${CMAKE_SOURCE_DIR}"
-    )
-
-    if (WIN32)
-        set(SCRIPT_EXTENSION ".cmd")
-        set(IMPORT_LIB_EXTENSION ".lib")
-    else()
-        set(SCRIPT_EXTENSION ".sh")
-        set(IMPORT_LIB_EXTENSION "")
-        execute_process(COMMAND chmod +x "${cargokit_cmake_root}/run_build_tool${SCRIPT_EXTENSION}")
-    endif()
-
-    # Using generators in custom command is only supported in CMake 3.20+
-    if (CMAKE_CONFIGURATION_TYPES AND ${CMAKE_VERSION} VERSION_LESS "3.20.0")
-        foreach(CONFIG IN LISTS CMAKE_CONFIGURATION_TYPES)
-            add_custom_command(
-                OUTPUT
-                "${CMAKE_CURRENT_BINARY_DIR}/${CONFIG}/${CARGOKIT_LIB_FULL_NAME}"
-                "${CMAKE_CURRENT_BINARY_DIR}/_phony_"
-                COMMAND ${CMAKE_COMMAND} -E env ${CARGOKIT_ENV}
-                "${cargokit_cmake_root}/run_build_tool${SCRIPT_EXTENSION}" build-cmake
-                VERBATIM
-            )
-        endforeach()
-    else()
-        add_custom_command(
-            OUTPUT
-            ${OUTPUT_LIB}
-            "${CMAKE_CURRENT_BINARY_DIR}/_phony_"
-            COMMAND ${CMAKE_COMMAND} -E env ${CARGOKIT_ENV}
-            "${cargokit_cmake_root}/run_build_tool${SCRIPT_EXTENSION}" build-cmake
-            VERBATIM
-        )
-    endif()
-
-
-    set_source_files_properties("${CMAKE_CURRENT_BINARY_DIR}/_phony_" PROPERTIES SYMBOLIC TRUE)
-
-    if (TARGET ${target})
-        # If we have actual cmake target provided create target and make existing
-        # target depend on it
-        add_custom_target("${target}_cargokit" DEPENDS ${OUTPUT_LIB})
-        add_dependencies("${target}" "${target}_cargokit")
-        target_link_libraries("${target}" PRIVATE "${OUTPUT_LIB}${IMPORT_LIB_EXTENSION}")
-        if(WIN32)
-            target_link_options(${target} PRIVATE "/INCLUDE:${any_symbol_name}")
-        endif()
-    else()
-        # Otherwise (FFI) just use ALL to force building always
-        add_custom_target("${target}_cargokit" ALL DEPENDS ${OUTPUT_LIB})
-    endif()
-
-    # Allow adding the output library to plugin bundled libraries
-    set("${target}_cargokit_lib" ${OUTPUT_LIB} PARENT_SCOPE)
-
-endfunction()

rust_builder/cargokit/cmake/resolve_symlinks.ps1

@@ -1,34 +0,0 @@
-function Resolve-Symlinks {
-    [CmdletBinding()]
-    [OutputType([string])]
-    param(
-        [Parameter(Position = 0, Mandatory, ValueFromPipeline, ValueFromPipelineByPropertyName)]
-        [string] $Path
-    )
-
-    [string] $separator = '/'
-    [string[]] $parts = $Path.Split($separator)
-
-    [string] $realPath = ''
-    foreach ($part in $parts) {
-        if ($realPath -and !$realPath.EndsWith($separator)) {
-            $realPath += $separator
-        }
-
-        $realPath += $part.Replace('\', '/')
-
-        # The slash is important when using Get-Item on Drive letters in pwsh.
-        if (-not($realPath.Contains($separator)) -and $realPath.EndsWith(':')) {
-            $realPath += '/'
-        }
-
-        $item = Get-Item $realPath
-        if ($item.LinkTarget) {
-            $realPath = $item.LinkTarget.Replace('\', '/')
-        }
-    }
-    $realPath
-}
-
-$path = Resolve-Symlinks -Path $args[0]
-Write-Host $path

rust_builder/cargokit/gradle/plugin.gradle

@@ -1,179 +0,0 @@
-/// This is copied from Cargokit (which is the official way to use it currently)
-/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
-
-import java.nio.file.Paths
-import org.apache.tools.ant.taskdefs.condition.Os
-
-CargoKitPlugin.file = buildscript.sourceFile
-
-apply plugin: CargoKitPlugin
-
-class CargoKitExtension {
-    String manifestDir; // Relative path to folder containing Cargo.toml
-    String libname; // Library name within Cargo.toml. Must be a cdylib
-}
-
-abstract class CargoKitBuildTask extends DefaultTask {
-
-    @Input
-    String buildMode
-
-    @Input
-    String buildDir
-
-    @Input
-    String outputDir
-
-    @Input
-    String ndkVersion
-
-    @Input
-    String sdkDirectory
-
-    @Input
-    int compileSdkVersion;
-
-    @Input
-    int minSdkVersion;
-
-    @Input
-    String pluginFile
-
-    @Input
-    List<String> targetPlatforms
-
-    @TaskAction
-    def build() {
-        if (project.cargokit.manifestDir == null) {
-            throw new GradleException("Property 'manifestDir' must be set on cargokit extension");
-        }
-
-        if (project.cargokit.libname == null) {
-            throw new GradleException("Property 'libname' must be set on cargokit extension");
-        }
-
-        def executableName = Os.isFamily(Os.FAMILY_WINDOWS) ? "run_build_tool.cmd" : "run_build_tool.sh"
-        def path = Paths.get(new File(pluginFile).parent, "..", executableName);
-
-        def manifestDir = Paths.get(project.buildscript.sourceFile.parent, project.cargokit.manifestDir)
-
-        def rootProjectDir = project.rootProject.projectDir
-
-        if (!Os.isFamily(Os.FAMILY_WINDOWS)) {
-            project.exec {
-                commandLine 'chmod', '+x', path
-            }
-        }
-
-        project.exec {
-            executable path
-            args "build-gradle"
-            environment "CARGOKIT_ROOT_PROJECT_DIR", rootProjectDir
-            environment "CARGOKIT_TOOL_TEMP_DIR", "${buildDir}/build_tool"
-            environment "CARGOKIT_MANIFEST_DIR", manifestDir
-            environment "CARGOKIT_CONFIGURATION", buildMode
-            environment "CARGOKIT_TARGET_TEMP_DIR", buildDir
-            environment "CARGOKIT_OUTPUT_DIR", outputDir
-            environment "CARGOKIT_NDK_VERSION", ndkVersion
-            environment "CARGOKIT_SDK_DIR", sdkDirectory
-            environment "CARGOKIT_COMPILE_SDK_VERSION", compileSdkVersion
-            environment "CARGOKIT_MIN_SDK_VERSION", minSdkVersion
-            environment "CARGOKIT_TARGET_PLATFORMS", targetPlatforms.join(",")
-            environment "CARGOKIT_JAVA_HOME", System.properties['java.home']
-        }
-    }
-}
-
-class CargoKitPlugin implements Plugin<Project> {
-
-    static String file;
-
-    private Plugin findFlutterPlugin(Project rootProject) {
-        _findFlutterPlugin(rootProject.childProjects)
-    }
-
-   private Plugin _findFlutterPlugin(Map projects) {
-        for (project in projects) {
-            for (plugin in project.value.getPlugins()) {
-                if (plugin.class.name == "com.flutter.gradle.FlutterPlugin") {
-                    return plugin;
-                }
-            }
-            def plugin = _findFlutterPlugin(project.value.childProjects);
-            if (plugin != null) {
-                return plugin;
-            }
-        }
-        return null;
-    }
-
-    @Override
-    void apply(Project project) {
-        def plugin = findFlutterPlugin(project.rootProject);
-
-        project.extensions.create("cargokit", CargoKitExtension)
-
-        if (plugin == null) {
-            print("Flutter plugin not found, CargoKit plugin will not be applied.")
-            return;
-        }
-
-        def cargoBuildDir = "${project.buildDir}/build"
-
-        // Determine if the project is an application or library
-        def isApplication = plugin.project.plugins.hasPlugin('com.android.application')
-        def variants = isApplication ? plugin.project.android.applicationVariants : plugin.project.android.libraryVariants
-
-        variants.all { variant ->
-
-            final buildType = variant.buildType.name
-
-            def cargoOutputDir = "${project.buildDir}/jniLibs/${buildType}";
-            def jniLibs = project.android.sourceSets.maybeCreate(buildType).jniLibs;
-            jniLibs.srcDir(new File(cargoOutputDir))
-
-            def platforms = com.flutter.gradle.FlutterPluginUtils.getTargetPlatforms(project).collect()
-
-            // Same thing addFlutterDependencies does in flutter.gradle
-            if (buildType == "debug") {
-                platforms.add("android-x86")
-                platforms.add("android-x64")
-            }
-
-            // The task name depends on plugin properties, which are not available
-            // at this point
-            project.getGradle().afterProject {
-                def taskName = "cargokitCargoBuild${project.cargokit.libname.capitalize()}${buildType.capitalize()}";
-
-                if (project.tasks.findByName(taskName)) {
-                    return
-                }
-
-                if (plugin.project.android.ndkVersion == null) {
-                    throw new GradleException("Please set 'android.ndkVersion' in 'app/build.gradle'.")
-                }
-
-                def task = project.tasks.create(taskName, CargoKitBuildTask.class) {
-                    buildMode = variant.buildType.name
-                    buildDir = cargoBuildDir
-                    outputDir = cargoOutputDir
-                    ndkVersion = plugin.project.android.ndkVersion
-                    sdkDirectory = plugin.project.android.sdkDirectory
-                    minSdkVersion = plugin.project.android.defaultConfig.minSdkVersion.apiLevel as int
-                    compileSdkVersion = plugin.project.android.compileSdkVersion.substring(8) as int
-                    targetPlatforms = platforms
-                    pluginFile = CargoKitPlugin.file
-                }
-                def onTask = { newTask ->
-                    if (newTask.name == "merge${buildType.capitalize()}NativeLibs") {
-                        newTask.dependsOn task
-                        // Fix gradle 7.4.2 not picking up JNI library changes
-                        newTask.outputs.upToDateWhen { false }
-                    }
-                }
-                project.tasks.each onTask
-                project.tasks.whenTaskAdded onTask
-            }
-        }
-    }
-}

rust_builder/cargokit/run_build_tool.cmd

@@ -1,91 +0,0 @@
-@echo off
-setlocal
-
-setlocal ENABLEDELAYEDEXPANSION
-
-SET BASEDIR=%~dp0
-
-if not exist "%CARGOKIT_TOOL_TEMP_DIR%" (
-    mkdir "%CARGOKIT_TOOL_TEMP_DIR%"
-)
-cd /D "%CARGOKIT_TOOL_TEMP_DIR%"
-
-SET BUILD_TOOL_PKG_DIR=%BASEDIR%build_tool
-SET DART=%FLUTTER_ROOT%\bin\cache\dart-sdk\bin\dart
-
-set BUILD_TOOL_PKG_DIR_POSIX=%BUILD_TOOL_PKG_DIR:\=/%
-
-(
-    echo name: build_tool_runner
-    echo version: 1.0.0
-    echo publish_to: none
-    echo.
-    echo environment:
-    echo   sdk: '^>=3.0.0 ^<4.0.0'
-    echo.
-    echo dependencies:
-    echo   build_tool:
-    echo     path: %BUILD_TOOL_PKG_DIR_POSIX%
-) >pubspec.yaml
-
-if not exist bin (
-    mkdir bin
-)
-
-(
-    echo import 'package:build_tool/build_tool.dart' as build_tool;
-    echo void main^(List^<String^> args^) ^{
-    echo    build_tool.runMain^(args^);
-    echo ^}
-) >bin\build_tool_runner.dart
-
-SET PRECOMPILED=bin\build_tool_runner.dill
-
-REM To detect changes in package we compare output of DIR /s (recursive)
-set PREV_PACKAGE_INFO=.dart_tool\package_info.prev
-set CUR_PACKAGE_INFO=.dart_tool\package_info.cur
-
-DIR "%BUILD_TOOL_PKG_DIR%" /s > "%CUR_PACKAGE_INFO%_orig"
-
-REM Last line in dir output is free space on harddrive. That is bound to
-REM change between invocation so we need to remove it
-(
-    Set "Line="
-    For /F "UseBackQ Delims=" %%A In ("%CUR_PACKAGE_INFO%_orig") Do (
-        SetLocal EnableDelayedExpansion
-        If Defined Line Echo !Line!
-        EndLocal
-        Set "Line=%%A")
-) >"%CUR_PACKAGE_INFO%"
-DEL "%CUR_PACKAGE_INFO%_orig"
-
-REM Compare current directory listing with previous
-FC /B "%CUR_PACKAGE_INFO%" "%PREV_PACKAGE_INFO%" > nul 2>&1
-
-If %ERRORLEVEL% neq 0 (
-    REM Changed - copy current to previous and remove precompiled kernel
-    if exist "%PREV_PACKAGE_INFO%" (
-        DEL "%PREV_PACKAGE_INFO%"
-    )
-    MOVE /Y "%CUR_PACKAGE_INFO%" "%PREV_PACKAGE_INFO%"
-    if exist "%PRECOMPILED%" (
-        DEL "%PRECOMPILED%"
-    )
-)
-
-REM There is no CUR_PACKAGE_INFO it was renamed in previous step to %PREV_PACKAGE_INFO%
-REM which means  we need to do pub get and precompile
-if not exist "%PRECOMPILED%" (
-    echo Running pub get in "%cd%"
-    "%DART%" pub get --no-precompile
-    "%DART%" compile kernel bin/build_tool_runner.dart
-)
-
-"%DART%" "%PRECOMPILED%" %*
-
-REM 253 means invalid snapshot version.
-If %ERRORLEVEL% equ 253 (
-    "%DART%" pub get --no-precompile
-    "%DART%" compile kernel bin/build_tool_runner.dart
-    "%DART%" "%PRECOMPILED%" %*
-)

rust_builder/cargokit/run_build_tool.sh

@@ -1,99 +0,0 @@
-#!/usr/bin/env bash
-
-set -e
-
-BASEDIR=$(dirname "$0")
-
-mkdir -p "$CARGOKIT_TOOL_TEMP_DIR"
-
-cd "$CARGOKIT_TOOL_TEMP_DIR"
-
-# Write a very simple bin package in temp folder that depends on build_tool package
-# from Cargokit. This is done to ensure that we don't pollute Cargokit folder
-# with .dart_tool contents.
-
-BUILD_TOOL_PKG_DIR="$BASEDIR/build_tool"
-
-if [[ -z $FLUTTER_ROOT ]]; then # not defined
-  DART=dart
-else
-  DART="$FLUTTER_ROOT/bin/cache/dart-sdk/bin/dart"
-fi
-
-cat << EOF > "pubspec.yaml"
-name: build_tool_runner
-version: 1.0.0
-publish_to: none
-
-environment:
-  sdk: '>=3.0.0 <4.0.0'
-
-dependencies:
-  build_tool:
-    path: "$BUILD_TOOL_PKG_DIR"
-EOF
-
-mkdir -p "bin"
-
-cat << EOF > "bin/build_tool_runner.dart"
-import 'package:build_tool/build_tool.dart' as build_tool;
-void main(List<String> args) {
-  build_tool.runMain(args);
-}
-EOF
-
-# Create alias for `shasum` if it does not exist and `sha1sum` exists
-if ! [ -x "$(command -v shasum)" ] && [ -x "$(command -v sha1sum)" ]; then
-  shopt -s expand_aliases
-  alias shasum="sha1sum"
-fi
-
-# Dart run will not cache any package that has a path dependency, which
-# is the case for our build_tool_runner. So instead we precompile the package
-# ourselves.
-# To invalidate the cached kernel we use the hash of ls -LR of the build_tool
-# package directory. This should be good enough, as the build_tool package
-# itself is not meant to have any path dependencies.
-
-if [[ "$OSTYPE" == "darwin"* ]]; then
-  PACKAGE_HASH=$(ls -lTR "$BUILD_TOOL_PKG_DIR" | shasum)
-else
-  PACKAGE_HASH=$(ls -lR --full-time "$BUILD_TOOL_PKG_DIR" | shasum)
-fi
-
-PACKAGE_HASH_FILE=".package_hash"
-
-if [ -f "$PACKAGE_HASH_FILE" ]; then
-    EXISTING_HASH=$(cat "$PACKAGE_HASH_FILE")
-    if [ "$PACKAGE_HASH" != "$EXISTING_HASH" ]; then
-        rm "$PACKAGE_HASH_FILE"
-    fi
-fi
-
-# Run pub get if needed.
-if [ ! -f "$PACKAGE_HASH_FILE" ]; then
-    "$DART" pub get --no-precompile
-    "$DART" compile kernel bin/build_tool_runner.dart
-    echo "$PACKAGE_HASH" > "$PACKAGE_HASH_FILE"
-fi
-
-# Rebuild the tool if it was deleted by Android Studio
-if [ ! -f "bin/build_tool_runner.dill" ]; then
-  "$DART" compile kernel bin/build_tool_runner.dart
-fi
-
-set +e
-
-"$DART" bin/build_tool_runner.dill "$@"
-
-exit_code=$?
-
-# 253 means invalid snapshot version.
-if [ $exit_code == 253 ]; then
-  "$DART" pub get --no-precompile
-  "$DART" compile kernel bin/build_tool_runner.dart
-  "$DART" bin/build_tool_runner.dill "$@"
-  exit_code=$?
-fi
-
-exit $exit_code

rust_builder/ios/Classes/dummy_file.c

@@ -1 +0,0 @@
-// This is an empty file to force CocoaPods to create a framework.

rust_builder/ios/rust_lib_nexus.podspec

@@ -1,45 +0,0 @@
-#
-# To learn more about a Podspec see http://guides.cocoapods.org/syntax/podspec.html.
-# Run `pod lib lint rust_lib_nexus.podspec` to validate before publishing.
-#
-Pod::Spec.new do |s|
-  s.name             = 'rust_lib_nexus'
-  s.version          = '0.0.1'
-  s.summary          = 'A new Flutter FFI plugin project.'
-  s.description      = <<-DESC
-A new Flutter FFI plugin project.
-                       DESC
-  s.homepage         = 'http://example.com'
-  s.license          = { :file => '../LICENSE' }
-  s.author           = { 'Your Company' => 'email@example.com' }
-
-  # This will ensure the source files in Classes/ are included in the native
-  # builds of apps using this FFI plugin. Podspec does not support relative
-  # paths, so Classes contains a forwarder C file that relatively imports
-  # `../src/*` so that the C sources can be shared among all target platforms.
-  s.source           = { :path => '.' }
-  s.source_files = 'Classes/**/*'
-  s.dependency 'Flutter'
-  s.platform = :ios, '11.0'
-
-  # Flutter.framework does not contain a i386 slice.
-  s.pod_target_xcconfig = { 'DEFINES_MODULE' => 'YES', 'EXCLUDED_ARCHS[sdk=iphonesimulator*]' => 'i386' }
-  s.swift_version = '5.0'
-
-  s.script_phase = {
-    :name => 'Build Rust library',
-    # First argument is relative path to the `rust` folder, second is name of rust library
-    :script => 'sh "$PODS_TARGET_SRCROOT/../cargokit/build_pod.sh" ../../rust rust_lib_nexus',
-    :execution_position => :before_compile,
-    :input_files => ['${BUILT_PRODUCTS_DIR}/cargokit_phony'],
-    # Let XCode know that the static library referenced in -force_load below is
-    # created by this build step.
-    :output_files => ["${BUILT_PRODUCTS_DIR}/librust_lib_nexus.a"],
-  }
-  s.pod_target_xcconfig = {
-    'DEFINES_MODULE' => 'YES',
-    # Flutter.framework does not contain a i386 slice.
-    'EXCLUDED_ARCHS[sdk=iphonesimulator*]' => 'i386',
-    'OTHER_LDFLAGS' => '-force_load ${BUILT_PRODUCTS_DIR}/librust_lib_nexus.a',
-  }
-end

rust_builder/linux/CMakeLists.txt

@@ -1,19 +0,0 @@
-# The Flutter tooling requires that developers have CMake 3.10 or later
-# installed. You should not increase this version, as doing so will cause
-# the plugin to fail to compile for some customers of the plugin.
-cmake_minimum_required(VERSION 3.10)
-
-# Project-level configuration.
-set(PROJECT_NAME "rust_lib_nexus")
-project(${PROJECT_NAME} LANGUAGES CXX)
-
-include("../cargokit/cmake/cargokit.cmake")
-apply_cargokit(${PROJECT_NAME} ../../rust rust_lib_nexus "")
-
-# List of absolute paths to libraries that should be bundled with the plugin.
-# This list could contain prebuilt libraries, or libraries created by an
-# external build triggered from this build file.
-set(rust_lib_nexus_bundled_libraries
-  "${${PROJECT_NAME}_cargokit_lib}"
-  PARENT_SCOPE
-)

rust_builder/macos/Classes/dummy_file.c

@@ -1 +0,0 @@
-// This is an empty file to force CocoaPods to create a framework.

rust_builder/macos/rust_lib_nexus.podspec

@@ -1,44 +0,0 @@
-#
-# To learn more about a Podspec see http://guides.cocoapods.org/syntax/podspec.html.
-# Run `pod lib lint rust_lib_nexus.podspec` to validate before publishing.
-#
-Pod::Spec.new do |s|
-  s.name             = 'rust_lib_nexus'
-  s.version          = '0.0.1'
-  s.summary          = 'A new Flutter FFI plugin project.'
-  s.description      = <<-DESC
-A new Flutter FFI plugin project.
-                       DESC
-  s.homepage         = 'http://example.com'
-  s.license          = { :file => '../LICENSE' }
-  s.author           = { 'Your Company' => 'email@example.com' }
-
-  # This will ensure the source files in Classes/ are included in the native
-  # builds of apps using this FFI plugin. Podspec does not support relative
-  # paths, so Classes contains a forwarder C file that relatively imports
-  # `../src/*` so that the C sources can be shared among all target platforms.
-  s.source           = { :path => '.' }
-  s.source_files     = 'Classes/**/*'
-  s.dependency 'FlutterMacOS'
-
-  s.platform = :osx, '10.11'
-  s.pod_target_xcconfig = { 'DEFINES_MODULE' => 'YES' }
-  s.swift_version = '5.0'
-
-  s.script_phase = {
-    :name => 'Build Rust library',
-    # First argument is relative path to the `rust` folder, second is name of rust library
-    :script => 'sh "$PODS_TARGET_SRCROOT/../cargokit/build_pod.sh" ../../rust rust_lib_nexus',
-    :execution_position => :before_compile,
-    :input_files => ['${BUILT_PRODUCTS_DIR}/cargokit_phony'],
-    # Let XCode know that the static library referenced in -force_load below is
-    # created by this build step.
-    :output_files => ["${BUILT_PRODUCTS_DIR}/librust_lib_nexus.a"],
-  }
-  s.pod_target_xcconfig = {
-    'DEFINES_MODULE' => 'YES',
-    # Flutter.framework does not contain a i386 slice.
-    'EXCLUDED_ARCHS[sdk=iphonesimulator*]' => 'i386',
-    'OTHER_LDFLAGS' => '-force_load ${BUILT_PRODUCTS_DIR}/librust_lib_nexus.a',
-  }
-end

rust_builder/pubspec.yaml

@@ -1,34 +0,0 @@
-name: rust_lib_nexus
-description: "Utility to build Rust code"
-version: 0.0.1
-publish_to: none
-
-environment:
-  sdk: '>=3.3.0 <4.0.0'
-  flutter: '>=3.3.0'
-
-dependencies:
-  flutter:
-    sdk: flutter
-  plugin_platform_interface: ^2.0.2
-
-dev_dependencies:
-  ffi: ^2.0.2
-  ffigen: ^11.0.0
-  flutter_test:
-    sdk: flutter
-  flutter_lints: ^2.0.0
-
-flutter:
-  plugin:
-    platforms:
-      android:
-        ffiPlugin: true
-      ios:
-        ffiPlugin: true
-      linux:
-        ffiPlugin: true
-      macos:
-        ffiPlugin: true
-      windows:
-        ffiPlugin: true

rust_builder/windows/.gitignore

@@ -1,17 +0,0 @@
-flutter/
-
-# Visual Studio user-specific files.
-*.suo
-*.user
-*.userosscache
-*.sln.docstates
-
-# Visual Studio build-related files.
-x64/
-x86/
-
-# Visual Studio cache files
-# files ending in .cache can be ignored
-*.[Cc]ache
-# but keep track of directories ending in .cache
-!*.[Cc]ache/

rust_builder/windows/CMakeLists.txt

@@ -1,20 +0,0 @@
-# The Flutter tooling requires that developers have a version of Visual Studio
-# installed that includes CMake 3.14 or later. You should not increase this
-# version, as doing so will cause the plugin to fail to compile for some
-# customers of the plugin.
-cmake_minimum_required(VERSION 3.14)
-
-# Project-level configuration.
-set(PROJECT_NAME "rust_lib_nexus")
-project(${PROJECT_NAME} LANGUAGES CXX)
-
-include("../cargokit/cmake/cargokit.cmake")
-apply_cargokit(${PROJECT_NAME} ../../../../../../rust rust_lib_nexus "")
-
-# List of absolute paths to libraries that should be bundled with the plugin.
-# This list could contain prebuilt libraries, or libraries created by an
-# external build triggered from this build file.
-set(rust_lib_nexus_bundled_libraries
-  "${${PROJECT_NAME}_cargokit_lib}"
-  PARENT_SCOPE
-)

windows/flutter/generated_plugins.cmake

@@ -14,7 +14,6 @@ list(APPEND FLUTTER_PLUGIN_LIST
 
 list(APPEND FLUTTER_FFI_PLUGIN_LIST
   flutter_vodozemac
-  rust_lib_nexus
 )
 
 set(PLUGIN_BUNDLED_LIBRARIES)