From 71a916faf2ff9a77b541d3ac02110c706ac110a6 Mon Sep 17 00:00:00 2001
From: Yamashita Yuu <yamashita@geishatokyo.com>
Date: Mon, 6 Jan 2014 16:37:21 +0900
Subject: [PATCH] simplicy the check for infinite loop

---
 libexec/pyenv-version-file | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/libexec/pyenv-version-file b/libexec/pyenv-version-file
index b6b2fa35..d7f5a228 100755
--- a/libexec/pyenv-version-file
+++ b/libexec/pyenv-version-file
@@ -4,8 +4,8 @@ set -e
 [ -n "$PYENV_DEBUG" ] && set -x
 
 find_local_version_file() {
-  local prev root="$1"
-  while [ -n "$root" ] && [ "$root" != "$prev" ]; do
+  local root="$1"
+  while [ -n "$root" ]; do
     if [ -e "${root}/.python-version" ]; then
       echo "${root}/.python-version"
       exit
@@ -13,7 +13,7 @@ find_local_version_file() {
       echo "${root}/.pyenv-version"
       exit
     fi
-    prev="${root}"
+    [ "${root}" = "${root%/*}" ] && break
     root="${root%/*}"
   done
 }