From 74c806634efb30a8e8fb4700b04307e99b3c8335 Mon Sep 17 00:00:00 2001
From: Ian Hickson <ian@hixie.ch>
Date: Sun, 10 Jan 2016 16:16:29 -0800
Subject: [PATCH] Add a note about the firebase/ directory.

Also, make dev/update_packages.dart skip directories that have no
pubspec.yaml, since firebase/ doesn't have one.
---
 dev/update_packages.dart    | 2 +-
 packages/firebase/README.md | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)
 create mode 100644 packages/firebase/README.md

diff --git a/dev/update_packages.dart b/dev/update_packages.dart
index 94c1c23f31..8a4cf0e7cd 100755
--- a/dev/update_packages.dart
+++ b/dev/update_packages.dart
@@ -9,7 +9,7 @@ final String binaryName = Platform.isWindows ? 'pub.bat' : 'pub';
 int runPub(Directory directory, List<String> pubArgs) {
   int updateCount = 0;
   for (FileSystemEntity dir in directory.listSync()) {
-    if (dir is Directory) {
+    if (dir is Directory && FileSystemEntity.isFileSync(dir.path + Platform.pathSeparator + 'pubspec.yaml')) {
       updateCount++;
       Stopwatch timer = new Stopwatch()..start();
       stdout.write("Updating ${dir.path}...");
diff --git a/packages/firebase/README.md b/packages/firebase/README.md
new file mode 100644
index 0000000000..2180521e55
--- /dev/null
+++ b/packages/firebase/README.md
@@ -0,0 +1,4 @@
+The existence of this directory is temporary. We will shortly be
+moving support for SDKs to separate repositories. This directory
+currently exists to help us learn what exactly we need to support
+third-party SDKs.