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Fangjun Kuang
Committed by GitHub
c1b5fce0 1 parent 9e02f88d

Fix copying asset files for flutter examples. (#1191) 

If the target file exists but has a different file size, we need
to copy the source file to the target file.
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正在显示 2 个修改的文件 包含 5 行增加 和 4 行删除
@@ -14,8 +14,9 @@ Future<String> copyAssetFile(String src, [String? dst]) async { @@ -14,8 +14,9 @@ Future<String> copyAssetFile(String src, [String? dst]) async {
14 final target = join(directory.path, dst); 14 final target = join(directory.path, dst);
15 bool exists = await new File(target).exists(); 15 bool exists = await new File(target).exists();
16 16
17 - if (!exists) {  
18 - final data = await rootBundle.load(src); 17 + final data = await rootBundle.load(src);
  18 +
  19 + if (!exists || File(target).lengthSync() != data.lengthInBytes) {
19 final List<int> bytes = 20 final List<int> bytes =
20 data.buffer.asUint8List(data.offsetInBytes, data.lengthInBytes); 21 data.buffer.asUint8List(data.offsetInBytes, data.lengthInBytes);
21 await File(target).writeAsBytes(bytes); 22 await File(target).writeAsBytes(bytes);
@@ -45,8 +45,8 @@ Future<String> copyAssetFile(String src, [String? dst]) async { @@ -45,8 +45,8 @@ Future<String> copyAssetFile(String src, [String? dst]) async {
45 final target = p.join(directory.path, dst); 45 final target = p.join(directory.path, dst);
46 bool exists = await new File(target).exists(); 46 bool exists = await new File(target).exists();
47 47
48 - if (!exists) {  
49 - final data = await rootBundle.load(src); 48 + final data = await rootBundle.load(src);
  49 + if (!exists || File(target).lengthSync() != data.lengthInBytes) {
50 final List<int> bytes = 50 final List<int> bytes =
51 data.buffer.asUint8List(data.offsetInBytes, data.lengthInBytes); 51 data.buffer.asUint8List(data.offsetInBytes, data.lengthInBytes);
52 await (await File(target).create(recursive: true)).writeAsBytes(bytes); 52 await (await File(target).create(recursive: true)).writeAsBytes(bytes);