fix duplicate upload

Author: vaind

scripts/flutter_symbol_collector/bin/flutter_symbol_collector.dart

@@ -58,7 +58,8 @@ Future<void> processFlutterVerion(FlutterVersion version) async {
   final archives = await source.listSymbolArchives(version);
   final dir = tempDir.childDirectory(version.tagName);
   for (final archive in archives) {
-    await source.downloadAndExtractTo(dir, archive.path);
-    await collector.upload(dir, archive.platform, version);
+    final archiveDir = dir.childDirectory(archive.platform.operatingSystem);
+    await source.downloadAndExtractTo(archiveDir, archive.path);
+    await collector.upload(archiveDir, archive.platform, version);
   }
 }

scripts/flutter_symbol_collector/lib/src/symbol_collector_cli.dart

@@ -108,7 +108,7 @@ class SymbolCollectorCli {
   Future<String> _execute(List<String> arguments) async {
     _ensureIsExecutable();
 
-    _log.fine('Executing ${path.basename(cli)} $arguments');
+    _log.fine('Executing ${path.basename(cli)} ${arguments.join(' ')}');
     final process = await Process.start(cli, arguments);
 
     final output = StringBuffer();