From e66076be0d3824be8c5c11fe5eab548dcfdb4545 Mon Sep 17 00:00:00 2001
From: Maciek Sakrejda <maciek@heroku.com>
Date: Thu, 21 May 2015 21:17:41 -0700
Subject: [PATCH] Respond to help command by showing usage info

---
 bin/gvm | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/bin/gvm b/bin/gvm
index 424c805..d8573e9 100755
--- a/bin/gvm
+++ b/bin/gvm
@@ -34,9 +34,7 @@ else
 	if [ -f "$GVM_ROOT/scripts/$command" ]; then
 		shift
 		"$GVM_ROOT/scripts/$command" "$@"
-	elif [[ -n $command ]]; then
-		display_fatal "Unrecognized command line argument: '$command'"
-	else
+	elif [[ -z $command || $command = help ]]; then
 		echo "Usage: gvm [command]
 
 Description:
@@ -47,6 +45,7 @@ Commands:
   get        - gets the latest code (for debugging)
   use        - select a go version to use
   diff       - view changes to Go root
+  help       - display this usage text
   implode    - completely remove gvm
   install    - install go versions
   uninstall  - uninstall go versions
@@ -58,5 +57,7 @@ Commands:
   pkgset     - manage go packages sets
   pkgenv     - edit the environment for a package set
 "
+	else
+		display_fatal "Unrecognized command line argument: '$command'"
 	fi
 fi