Regenerate pub sources.

sdk/lib/_internal/pub_generated/test/transformer/can_log_messages_test.dart

Index: sdk/lib/_internal/pub_generated/test/transformer/can_log_messages_test.dart
diff --git a/sdk/lib/_internal/pub_generated/test/transformer/can_log_messages_test.dart b/sdk/lib/_internal/pub_generated/test/transformer/can_log_messages_test.dart
index 43f304220a7cbc48af8ca6d35fbd90acd64d7029..ca37e51e423ddc753b139663bb7fc204bd8af77c 100644
--- a/sdk/lib/_internal/pub_generated/test/transformer/can_log_messages_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/transformer/can_log_messages_test.dart
@@ -1,9 +1,16 @@
+// Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS d.file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 library pub_tests;
+
 import 'package:scheduled_test/scheduled_test.dart';
 import 'package:scheduled_test/scheduled_stream.dart';
+
 import '../../lib/src/exit_codes.dart' as exit_codes;
 import '../descriptor.dart' as d;
 import '../test_pub.dart';
+
 const SOURCE_MAPS_TRANSFORMER = """
 import 'dart:async';
 
@@ -30,6 +37,7 @@ class RewriteTransformer extends Transformer {
   }
 }
 """;
+
 const SOURCE_SPAN_TRANSFORMER = """
 import 'dart:async';
 
@@ -55,11 +63,15 @@ class RewriteTransformer extends Transformer {
   }
 }
 """;
+
 main() {
   initConfig();
+  // This intentionally tests barback 0.14.2 with both transformers, since it
+  // supports both types of span.
   withBarbackVersions("<0.15.0", () => runTest(SOURCE_MAPS_TRANSFORMER));
   withBarbackVersions(">=0.14.2", () => runTest(SOURCE_SPAN_TRANSFORMER));
 }
+
 void runTest(String transformerText) {
   integration("can log messages", () {
     d.dir(appPath, [d.pubspec({
@@ -68,27 +80,38 @@ void runTest(String transformerText) {
       }),
           d.dir("lib", [d.dir("src", [d.file("transformer.dart", transformerText)])]),
           d.dir("web", [d.file("foo.txt", "foo")])]).create();
+
     createLockFile('myapp', pkg: ['barback']);
+
     var pub = startPub(args: ["build"]);
     pub.stdout.expect(startsWith("Loading source assets..."));
     pub.stdout.expect(consumeWhile(matches("Loading .* transformers...")));
     pub.stdout.expect(startsWith("Building myapp..."));
+
     pub.stdout.expect(emitsLines("""
 [Rewrite on myapp|web/foo.txt]:
 info!"""));
+
     pub.stderr.expect(emitsLines("""
 [Rewrite on myapp|web/foo.txt with input myapp|web/foo.foo]:
 Warning!
 [Rewrite on myapp|web/foo.txt]:"""));
-    pub.stderr.expect(
-        allOf(
-            [
-                contains("2"),
-                contains("1"),
-                contains("http://fake.com/not_real.dart"),
-                contains("ERROR")]));
+
+    // The details of the analyzer's error message change pretty frequently,
+    // so instead of validating the entire line, just look for a couple of
+    // salient bits of information.
+    pub.stderr.expect(allOf([contains("2"), // The line number.
+      contains("1"), // The column number.
+      contains("http://fake.com/not_real.dart"), // The library.
+      contains("ERROR"), // That it's an error.
+    ]));
+
+    // In barback >=0.15.0, the span will point to the location where the error
+    // occurred.
     pub.stderr.expect(allow(inOrder(["d", "^"])));
+
     pub.stderr.expect("Build failed.");
+
     pub.shouldExit(exit_codes.DATA);
   });
 }