Add support for building no-codesign ipa

packages/flutter_app_builder/lib/src/builders/ios/app_builder_ios.dart

@@ -15,19 +15,26 @@ class AppBuilderIos extends AppBuilder {
   @override
   BuildResultResolver get resultResolver => BuildIosResultResolver();
 
+  String _buildSubcommand = 'ipa';
+
   @override
-  String get buildSubcommand => 'ipa';
+  String get buildSubcommand => _buildSubcommand;
 
   @override
   Future<BuildResult> build({
     required Map<String, dynamic> arguments,
     Map<String, String>? environment,
   }) {
-    if (!arguments.containsKey('export-options-plist') &&
-        !arguments.containsKey('export-method')) {
-      throw BuildError(
-        'Missing `export-options-plist` or `export-method` build argument.',
-      );
+    if (arguments.containsKey('no-codesign')) {
+      _buildSubcommand = 'ios';
+    } else {
+      _buildSubcommand = 'ipa';
+      if (!arguments.containsKey('export-options-plist') &&
+          !arguments.containsKey('export-method')) {
+        throw BuildError(
+          'Missing `export-options-plist` or `export-method` build argument.',
+        );
+      }
     }
     return super.build(
       arguments: arguments,

packages/flutter_app_builder/lib/src/builders/ios/build_ios_result.dart

@@ -9,7 +9,8 @@ class BuildIosResultResolver extends BuildResultResolver {
   @override
   BuildResult resolve(BuildConfig config, {Duration? duration}) {
     final r = BuildIosResult(config);
-    final String pattern = '${r.outputDirectory.path}/**.ipa';
+    final suffix = config.arguments.containsKey('no-codesign') ? 'app' : 'ipa';
+    final String pattern = '${r.outputDirectory.path}/**.$suffix';
     List<FileSystemEntity> entities = Glob(pattern).listSync();
     List<File> pkgFiles = (entities.map((e) => File(e.path)).toList())
       ..sort((a, b) => b.lastModifiedSync().compareTo(a.lastModifiedSync()));
@@ -23,7 +24,9 @@ class BuildIosResult extends BuildResult {
 
   @override
   Directory get outputDirectory {
-    String path = 'build/ios/ipa';
+    String path = config.arguments.containsKey('no-codesign')
+        ? 'build/ios/iphoneos'
+        : 'build/ios/ipa';
     return Directory(path);
   }
 }

packages/flutter_app_packager/lib/src/makers/ipa/app_package_maker_ipa.dart

@@ -1,6 +1,7 @@
 import 'dart:io';
 
 import 'package:flutter_app_packager/src/api/app_package_maker.dart';
+import 'package:shell_executor/shell_executor.dart';
 
 class AppPackageMakerIpa extends AppPackageMaker {
   @override
@@ -11,9 +12,35 @@ class AppPackageMakerIpa extends AppPackageMaker {
   String get packageFormat => 'ipa';
 
   @override
-  Future<MakeResult> make(MakeConfig config) {
-    File pkgFile = config.buildOutputFiles.first;
-    pkgFile.copySync(config.outputFile.path);
+  Future<MakeResult> make(MakeConfig config) async {
+    final pkgFile = config.buildOutputFiles.first;
+    final isApp = pkgFile.path.endsWith('.app');
+    if (isApp) {
+      // pkgFilePath build/ios/iphoneos/Runner.app
+      final iphoneosDirectory = pkgFile.parent;
+      final iosDirectory = iphoneosDirectory.parent;
+      final payloadDirectory = Directory('${iosDirectory.path}/Payload');
+      final ipaFile = File('${iphoneosDirectory.path}/Runner.ipa');
+      try {
+        await $('cp', ['-RH', iphoneosDirectory.path, payloadDirectory.path]);
+        await $(
+          'zip',
+          [
+            '-r9',
+            ipaFile.path.replaceFirst('${iosDirectory.path}/', ''),
+            'Payload',
+          ],
+          workingDirectory: iosDirectory.path,
+        );
+      } catch (error) {
+        rethrow;
+      } finally {
+        payloadDirectory.deleteSync(recursive: true);
+      }
+      ipaFile.copySync(config.outputFile.path);
+    } else {
+      pkgFile.copySync(config.outputFile.path);
+    }
     return Future.value(resultResolver.resolve(config));
   }
 }