From 67d3d6b12ddc3d00d3ca3846d360d0cb665bf497 Mon Sep 17 00:00:00 2001
From: Peter Aronoff <telemachus@arpinum.org>
Date: Wed, 3 Aug 2011 20:04:42 -0400
Subject: [PATCH] Use parameter expansion for basename + dirname

These are built-ins, and they're used elsewhere in the code.
---
 libexec/rbenv | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libexec/rbenv b/libexec/rbenv
index 31a2d242..66d8c438 100755
--- a/libexec/rbenv
+++ b/libexec/rbenv
@@ -5,8 +5,8 @@ abs_dirname() {
   local path="$1"
 
   while [ -n "$path" ]; do
-    cd "$(dirname "$path")"
-    local name="$(basename "$path")"
+    cd "${path%/*}"
+    local name="${path##*/}"
     path="$(readlink "$name" || true)"
   done