fix: ensure that bundle script is placed first for iOS build phases

packages/flutterfire_cli/lib/src/firebase/firebase_apple_writes.dart

@@ -390,6 +390,7 @@ String _debugSymbolsScript(
 require 'xcodeproj'
 xcodeFile='${getXcodeProjectPath(platform)}'
 runScriptName='$debugSymbolScriptName'
+bundleScriptName='$bundleServiceScriptName'
 project = Xcodeproj::Project.open(xcodeFile)
 
 
@@ -412,19 +413,78 @@ ${isDevDependency ? 'dart run flutterfire_cli:flutterfire' : 'flutterfire'} uplo
 
 for target in project.targets
   if (target.name == '$target')
+    # Find existing debug symbols phase
     phase = target.shell_script_build_phases().find do |item|
       if defined? item && item.name
         item.name == runScriptName
       end
     end
+
+    # Find bundle-service-file phase to determine insertion position
+    bundlePhase = target.shell_script_build_phases().find do |item|
+      if defined? item && item.name
+        item.name == bundleScriptName
+      end
+    end
 
     if phase.nil?
+      # Create new phase
       phase = target.new_shell_script_build_phase(runScriptName)
       phase.shell_script = bashScript
+
+      # If bundle-service-file exists, ensure debug symbols is placed right after it
+      if (!bundlePhase.nil?)
+        # Get all build phases
+        allPhases = target.build_phases
+        bundleIndex = allPhases.index(bundlePhase)
+        currentDebugIndex = allPhases.index(phase)
+
+        # If debug symbols is not right after bundle-service-file, reorder
+        if (currentDebugIndex != bundleIndex + 1)
+          # Remove from current position
+          target.build_phases.delete(phase)
+          # Insert right after bundle-service-file
+          target.build_phases.insert(bundleIndex + 1, phase)
+        end
+      end
+
       project.save()
     elsif phase.shell_script != bashScript
+      # Update existing phase
       phase.shell_script = bashScript
+
+      # Ensure correct ordering: debug symbols should be right after bundle-service-file
+      if (!bundlePhase.nil?)
+        allPhases = target.build_phases
+        bundleIndex = allPhases.index(bundlePhase)
+        debugIndex = allPhases.index(phase)
+
+        # If debug symbols is not right after bundle-service-file, reorder
+        if (debugIndex != bundleIndex + 1)
+          # Remove from current position
+          target.build_phases.delete(phase)
+          # Insert right after bundle-service-file
+          target.build_phases.insert(bundleIndex + 1, phase)
+        end
+      end
+
       project.save()
+    else
+      # Script exists and content is correct, but check ordering
+      if (!bundlePhase.nil?)
+        allPhases = target.build_phases
+        bundleIndex = allPhases.index(bundlePhase)
+        debugIndex = allPhases.index(phase)
+
+        # If debug symbols is not right after bundle-service-file, reorder
+        if (debugIndex != bundleIndex + 1)
+          # Remove from current position
+          target.build_phases.delete(phase)
+          # Insert right after bundle-service-file
+          target.build_phases.insert(bundleIndex + 1, phase)
+          project.save()
+        end
+      end
     end
   end
 end

packages/flutterfire_cli/test/configure_test.dart

@@ -338,6 +338,108 @@ void main() {
     ),
   );
 
+  test(
+    'flutterfire configure: build configuration - verify script ordering after second configure',
+    () async {
+      // Add crashlytics dependency so debug symbols script gets added
+      final addCrashlyticsResult = Process.runSync(
+        'flutter',
+        ['pub', 'add', 'firebase_crashlytics'],
+        workingDirectory: projectPath,
+      );
+
+      if (addCrashlyticsResult.exitCode != 0) {
+        fail(addCrashlyticsResult.stderr as String);
+      }
+
+      // First configure run
+      final result = Process.runSync(
+        'flutterfire',
+        [
+          'configure',
+          '--yes',
+          '--project=$firebaseProjectId',
+          '--platforms=macos',
+          '--macos-out=macos/$buildType',
+          '--macos-build-config=$appleBuildConfiguration',
+        ],
+        workingDirectory: projectPath,
+        runInShell: true,
+      );
+
+      if (result.exitCode != 0) {
+        fail(result.stderr as String);
+      }
+
+      if (Platform.isMacOS) {
+        // Second configure run - this should trigger reordering if needed
+        final result2 = Process.runSync(
+          'flutterfire',
+          [
+            'configure',
+            '--yes',
+            '--project=$firebaseProjectId',
+            '--platforms=macos',
+            '--macos-out=macos/$buildType',
+            '--macos-build-config=$appleBuildConfiguration',
+          ],
+          workingDirectory: projectPath,
+          runInShell: true,
+        );
+
+        if (result2.exitCode != 0) {
+          fail(result2.stderr as String);
+        }
+
+        // Verify script ordering for iOS
+        final scriptOrderCheckIos = rubyScriptForCheckingScriptOrdering(
+          projectPath!,
+          kIos,
+        );
+
+        final iosOrderResult = Process.runSync(
+          'ruby',
+          [
+            '-e',
+            scriptOrderCheckIos,
+          ],
+          runInShell: true,
+        );
+
+        if (iosOrderResult.exitCode != 0) {
+          fail(iosOrderResult.stderr as String);
+        }
+
+        expect(iosOrderResult.stdout, 'success');
+
+        // Verify script ordering for macOS
+        final scriptOrderCheckMacos = rubyScriptForCheckingScriptOrdering(
+          projectPath!,
+          kMacos,
+        );
+
+        final macosOrderResult = Process.runSync(
+          'ruby',
+          [
+            '-e',
+            scriptOrderCheckMacos,
+          ],
+          runInShell: true,
+        );
+
+        if (macosOrderResult.exitCode != 0) {
+          fail(macosOrderResult.stderr as String);
+        }
+
+        expect(macosOrderResult.stdout, 'success');
+      }
+    },
+    skip: !Platform.isMacOS,
+    timeout: const Timeout(
+      Duration(minutes: 2),
+    ),
+  );
+
   test(
     'flutterfire configure: android - "default" Apple - "target"',
     () async {

packages/flutterfire_cli/test/test_utils.dart

@@ -217,6 +217,65 @@ String rubyScriptForTestingDebugSymbolScriptExists(
 ''';
 }
 
+String rubyScriptForCheckingScriptOrdering(
+  String projectPath,
+  String platform, {
+  String targetName = 'Runner',
+  String bundleScriptName = 'FlutterFire: "flutterfire bundle-service-file"',
+  String debugSymbolScriptName =
+      'FlutterFire: "flutterfire upload-crashlytics-symbols"',
+}) {
+  final xcodeProjectPath = p.join(projectPath, platform, 'Runner.xcodeproj');
+  return '''
+require 'xcodeproj'
+xcodeFile='$xcodeProjectPath'
+bundleScriptName='$bundleScriptName'
+debugSymbolScriptName='$debugSymbolScriptName'
+targetName='$targetName'
+project = Xcodeproj::Project.open(xcodeFile)
+
+target = project.targets.find { |target| target.name == targetName }
+
+if (target)
+  # Find both scripts
+  bundlePhase = target.shell_script_build_phases().find do |item|
+    if defined? item && item.name
+      item.name == bundleScriptName
+    end
+  end
+
+  debugSymbolPhase = target.shell_script_build_phases().find do |item|
+    if defined? item && item.name
+      item.name == debugSymbolScriptName
+    end
+  end
+
+  # Both scripts must exist
+  if (bundlePhase.nil?)
+    abort("failed, bundle-service-file script not found")
+  end
+
+  if (debugSymbolPhase.nil?)
+    abort("failed, upload-crashlytics-symbols script not found")
+  end
+
+  # Get all build phases to check ordering
+  allPhases = target.build_phases
+  bundleIndex = allPhases.index(bundlePhase)
+  debugSymbolIndex = allPhases.index(debugSymbolPhase)
+
+  # bundle-service-file must come before upload-crashlytics-symbols
+  if (bundleIndex >= debugSymbolIndex)
+    abort("failed, bundle-service-file script (index: #{bundleIndex}) must come before upload-crashlytics-symbols script (index: #{debugSymbolIndex})")
+  end
+
+  \$stdout.write("success")
+else
+  abort("failed, #{targetName} target not found.")
+end
+''';
+}
+
 Future<File> findFileInDirectory(
   String directoryPath,
   String fileName,