Add a Pub validator for READMEs that are invalid utf-8.

utils/pub/io.dart

Index: utils/pub/io.dart
diff --git a/utils/pub/io.dart b/utils/pub/io.dart
index 79f0a06524cc5b91b5e953fdf03d42ccb5b6ca82..48c4901792a6adb21b9d33e8f291a2b6c193c61d 100644
--- a/utils/pub/io.dart
+++ b/utils/pub/io.dart
@@ -85,6 +85,15 @@ Future<String> readTextFile(file) {
       });
 }
 
+/// Reads the contents of the binary file [file], which can either be a [String]
+/// or a [File].
+Future<List<int>> readByteFile(file) {

[Bob Nystrom, 2013/01/31 19:08:29]

"Byte" -> "Binary"?

"ByteFile" reads strangely to me.

[nweiz, 2013/01/31 21:39:10]

Done.

+  var path = _getPath(file);
+  return log.ioAsync("Reading byte file $path.",
+      new File(path).readAsBytes(),

[Bob Nystrom, 2013/01/31 19:08:29]

Feel free to make this sync if you prefer.

[nweiz, 2013/01/31 21:39:10]

Done.

+      (contents) => "Read ${contents.length} bytes from $path.");
+}
+
 /// Creates [file] (which can either be a [String] or a [File]), and writes
 /// [contents] to it. Completes when the file is written and closed.
 ///
@@ -109,6 +118,22 @@ Future<File> writeTextFile(file, String contents, {dontLogContents: false}) {
   });
 }
 
+/// Creates [file] (which can either be a [String] or a [File]), and writes
+/// [contents] to it. Completes when the file is written and closed.
+Future<File> writeByteFile(file, List<int> contents) {

[Bob Nystrom, 2013/01/31 19:08:29]

Byte -> Binary.

[nweiz, 2013/01/31 21:39:10]

Done.

+  var path = _getPath(file);
+  file = new File(path);
+
+  log.io("Writing ${contents.length} characters to binary file $path.");

[Bob Nystrom, 2013/01/31 19:08:29]

"characters" -> "bytes".

[nweiz, 2013/01/31 21:39:10]

Done.

+  return file.open(FileMode.WRITE).then((opened) {
+    return opened.writeList(contents, 0, contents.length)
+        .then((_) => opened.close());
+  }).then((_) {
+    log.fine("Wrote text file $path.");
+    return file;
+  });

[Bob Nystrom, 2013/01/31 19:08:29]

then() then() then()

Make this sync?

[nweiz, 2013/01/31 21:39:10]

Done.

+}
+
 /// Asynchronously deletes [file], which can be a [String] or a [File]. Returns
 /// a [Future] that completes when the deletion is done.
 Future<File> deleteFile(file) {