[fuchsia_ctl] Fix IPv6 URL formatting for amber_ctl (#46)

* [fuchsia_ctl] Fix IPv6 URL formatting for amber_ctl

If the local address of the interface that's connected to the Fuchsia
device has an IPv6 address the URL to the Amber config.json was
formatted incorrectly.

* [fuchsia_ctl] Discover local address over ssh.

* [fuchsia_ctl] remove author from pubspec.yaml

packages/fuchsia_ctl/bin/main.dart

@@ -172,7 +172,6 @@ Future<OperationResult> test(
   final List<String> farFiles = args['far'];
   final String target = args['target'];
   try {
-    final String localIp = await devFinder.getLocalAddress(deviceName);
     final String targetIp = await devFinder.getTargetAddress(deviceName);
     stdout.writeln('Using ${repo.path} as repo to serve to $targetIp...');
     repo.createSync(recursive: true);
@@ -185,13 +184,23 @@ Future<OperationResult> test(
 
     await server.serveRepo(repo.path, port: 0);
 
+    result = await ssh.runCommand(targetIp,
+        identityFilePath: identityFile,
+        command: <String>['echo \$SSH_CONNECTION']);
+    if (!result.success) {
+      stderr.writeln('failed to get local address, aborting.');
+      stderr.writeln(result.error);
+      return result;
+    }
+    final String localIp = result.info.split(' ')[0].replaceAll('%', '%25');
+
     result = await ssh.runCommand(
       targetIp,
       identityFilePath: identityFile,
       command: <String>[
         'amberctl',
         'add_src',
-        '-f', 'http://$localIp:${server.serverPort}/config.json', //
+        '-f', 'http://[$localIp]:${server.serverPort}/config.json', //
         '-n', uuid,
       ],
     );
@@ -245,6 +254,8 @@ Future<OperationResult> test(
     return testResult;
   } finally {
     repo.deleteSync(recursive: true);
-    await server.close();
+    if (server.serving) {
+      await server.close();
+    }
   }
 }

packages/fuchsia_ctl/lib/src/package_server.dart

@@ -38,6 +38,11 @@ class PackageServer {
 
   int _serverPort;
 
+  /// Is the server up?
+  bool get serving {
+    return _pmServerProcess != null;
+  }
+
   /// Creates a new local repository and associated key material.
   ///
   /// Corresponds to `pm newrepo`.
@@ -115,6 +120,7 @@ class PackageServer {
     }
     _pmServerProcess.kill();
     final int exitCode = await _pmServerProcess.exitCode;
+    _pmServerProcess = null;
     if (exitCode == 0) {
       return OperationResult.success();
     }

packages/fuchsia_ctl/pubspec.yaml

@@ -3,7 +3,6 @@ description: >
   A Dart package for paving, serving packages to, and running commands on a
   Fuchsia Device. This package is primarily intended for use in Flutter's
   continuous integration/testing infrastructure.
-author: Flutter Team <flutter-dev@googlegroups.com>
 homepage: https://github.com/flutter/packags/tree/master/packages/fuchsia_ctl
 version: 0.0.8
 

packages/fuchsia_ctl/test/package_server_test.dart

@@ -95,7 +95,10 @@ void main() {
       processManager: processManager,
     );
 
+    expect(server.serving, false);
+
     await server.serveRepo(repoPath, port: 0);
+    expect(server.serving, true);
 
     final List<String> capturedStartArgs =
         verify(processManager.start(captureAny))
@@ -115,6 +118,8 @@ void main() {
 
     expect(result.success, true);
     expect(serverProcess.killed, true);
+
+    expect(server.serving, false);
   });
 }