From fb6eee26d4a0e43f5790507a2e9a998641f433b4 Mon Sep 17 00:00:00 2001
From: Sam Stephenson <sam@37signals.com>
Date: Sat, 10 Sep 2011 19:50:12 -0500
Subject: [PATCH] Only shift if an argument is passed. Fixes #78.

---
 libexec/rbenv-init | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/libexec/rbenv-init b/libexec/rbenv-init
index df2bf00c..cc1196c4 100755
--- a/libexec/rbenv-init
+++ b/libexec/rbenv-init
@@ -70,14 +70,17 @@ echo 'rbenv rehash 2>/dev/null'
 commands=(`rbenv commands --sh`)
 IFS="|"
 cat <<EOS
-function rbenv () {
-  command="\$1";
-  shift;
+function rbenv() {
+  command="\$1"
+  if [ "\$#" -gt 0 ]; then
+    shift
+  fi
+
   case "\$command" in
   ${commands[*]})
     eval \`rbenv "sh-\$command" "\$@"\`;;
   *)
     command rbenv "\$command" "\$@";;
-  esac;
-};
+  esac
+}
 EOS