From cd380bc11acc5d8ecb0da79d08cf6f2cc791ff5a Mon Sep 17 00:00:00 2001
From: Chuckie Chen <chuckie_chen945@163.com>
Date: Wed, 3 Aug 2022 05:25:12 +0800
Subject: [PATCH] Fix a bug in `install-powershell.ps1` (#17794)

---
 tools/install-powershell.ps1 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/install-powershell.ps1 b/tools/install-powershell.ps1
index 58b6c72294..b6c8f595cc 100644
--- a/tools/install-powershell.ps1
+++ b/tools/install-powershell.ps1
@@ -125,7 +125,7 @@ Function Remove-Destination([string] $Destination) {
         if ($IsWinEnv -and ($Destination -eq $PSHOME)) {
             # handle the case where the updated folder is currently in use
             Get-ChildItem -Recurse -File -Path $PSHOME | ForEach-Object {
-                if ($_.extension -eq "old") {
+                if ($_.extension -eq ".old") {
                     Remove-Item $_
                 } else {
                     Move-Item $_.fullname "$($_.fullname).old"