Teach flutter upgrade to switch to master (#5827)
To avoid orphaning people on the deprecated alpha branch, this patch teaches
`flutter upgrade` to switch to the master branch.
diff --git a/packages/flutter_tools/lib/src/commands/upgrade.dart b/packages/flutter_tools/lib/src/commands/upgrade.dart
index 0c117a3..e40eb36 100644
--- a/packages/flutter_tools/lib/src/commands/upgrade.dart
+++ b/packages/flutter_tools/lib/src/commands/upgrade.dart
@@ -33,6 +33,14 @@
return 1;
}
+ FlutterVersion version = new FlutterVersion(Cache.flutterRoot);
+ if (version.channel == 'alpha') {
+ // The alpha branch is deprecated. Rather than trying to pull the alpha
+ // branch, we should switch upstream to master.
+ printStatus('Switching to from alpha to master...');
+ runSync(<String>['git', 'branch', '--set-upstream-to=origin/master']);
+ }
+
printStatus('Upgrading Flutter from ${Cache.flutterRoot}...');
int code = await runCommandAndStreamOutput(
