From fb0f4ad5a958745b24601e0a3fc8af66484e314c Mon Sep 17 00:00:00 2001
From: Constantine Antonakos <con@spotfront.com>
Date: Thu, 19 Jan 2017 20:41:05 -0500
Subject: [PATCH] Fix regression with executing `yarn version` introduced in
 0.19.0 release

There was a conflict when commander attempts to parse the incoming args
between the command executed and the options since the name `version` was shared. This relates to PR #2268.
---
 src/cli/index.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/cli/index.js b/src/cli/index.js
index eb41c60428..ef98355354 100644
--- a/src/cli/index.js
+++ b/src/cli/index.js
@@ -170,8 +170,13 @@ if (commandName === 'help' || args.indexOf('--help') >= 0 || args.indexOf('-h')
   process.exit(1);
 }
 
+if (!command) {
+  args.unshift(commandName);
+  command = commands.run;
+}
+invariant(command, 'missing command');
+
 // parse flags
-args.unshift(commandName);
 commander.parse(startArgs.concat(args));
 commander.args = commander.args.concat(endArgs);