Precompile immutable globally-installed pub executables.

sdk/lib/_internal/pub/test/global/run/uses_old_lockfile_test.dart

Index: sdk/lib/_internal/pub/test/global/run/uses_old_lockfile_test.dart
diff --git a/sdk/lib/_internal/pub/test/global/run/uses_old_lockfile_test.dart b/sdk/lib/_internal/pub/test/global/run/uses_old_lockfile_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..21b41ead1dfc82156b68b994debce6d3a01f7e3a
--- /dev/null
+++ b/sdk/lib/_internal/pub/test/global/run/uses_old_lockfile_test.dart
@@ -0,0 +1,54 @@
+// Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS 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.
+
+import 'package:scheduled_test/scheduled_test.dart';
+
+import '../../descriptor.dart' as d;
+import '../../test_pub.dart';
+
+main() {
+  initConfig();
+  integration('uses the 1.6-style lockfile if necessary', () {
+    servePackages((builder) {
+      builder.serve("bar", "1.0.0");
+      builder.serve("foo", "1.0.0", deps: {"bar": "any"}, contents: [
+        d.dir("bin", [
+          d.file("script.dart", """
+              import 'package:bar/bar.dart' as bar;
+
+              main(args) => print(bar.main());""")
+        ])
+      ]);
+    });
+
+    schedulePub(args: ["cache", "add", "foo"]);
+    schedulePub(args: ["cache", "add", "bar"]);
+
+    d.dir(cachePath, [
+      d.dir('global_packages', [
+        d.file('foo.lock', '''
+packages:
+  foo:
+    description: foo
+    source: hosted
+    version: "1.0.0"
+  bar:
+    description: bar
+    source: hosted
+    version: "1.0.0"''')
+      ])
+    ]).create();
+
+    var pub = pubRun(global: true, args: ["foo:script"]);
+    pub.stdout.expect("bar 1.0.0");
+    pub.shouldExit();
+
+    d.dir(cachePath, [
+      d.dir('global_packages', [
+        d.nothing('foo.lock'),
+        d.dir('foo', [d.matcherFile('pubspec.lock', contains('1.0.0'))])
+      ])
+    ]).validate();
+  });
+}