From 0c7c62dc04dab195ff249bc93460a4c4c352ac00 Mon Sep 17 00:00:00 2001
From: Sam Stephenson <sam@37signals.com>
Date: Wed, 21 Sep 2011 12:43:22 -0500
Subject: [PATCH] Show usage if no arguments are passed to rbenv-plugin-scripts

---
 libexec/rbenv-plugin-scripts | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/libexec/rbenv-plugin-scripts b/libexec/rbenv-plugin-scripts
index 2bc5bfdf..27568007 100755
--- a/libexec/rbenv-plugin-scripts
+++ b/libexec/rbenv-plugin-scripts
@@ -10,8 +10,14 @@ if [ "$1" = "--complete" ]; then
   exit
 fi
 
+RBENV_COMMAND="$1"
+if [ -z "$RBENV_COMMAND" ]; then
+  echo "usage: rbenv plugin-scripts COMMAND" >&2
+  exit 1
+fi
+
 shopt -s nullglob
-SCRIPTS=(/etc/rbenv.d/$1/*.bash ${RBENV_ROOT}/rbenv.d/$1/*.bash)
+SCRIPTS=(/etc/rbenv.d/"$RBENV_COMMAND"/*.bash ${RBENV_ROOT}/rbenv.d/"$RBENV_COMMAND"/*.bash)
 shopt -u nullglob
 
 for script in ${SCRIPTS[@]}; do