From f0133bed8e658d200c3301f397bd1de366c3adc6 Mon Sep 17 00:00:00 2001
From: kwkam <kwkam@users.noreply.github.com>
Date: Sat, 1 Jun 2019 01:14:39 +0800
Subject: [PATCH] Fix `Get-ChildItem -Path` with wildcard char (#9257)

Unescape non-literal, non-glob path before existence checking.
---
 .../engine/SessionStateContainer.cs              |  4 ++--
 .../Get-ChildItem.Tests.ps1                      | 16 ++++++++++++++++
 2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/src/System.Management.Automation/engine/SessionStateContainer.cs b/src/System.Management.Automation/engine/SessionStateContainer.cs
index 66c210d822..aa32e15122 100644
--- a/src/System.Management.Automation/engine/SessionStateContainer.cs
+++ b/src/System.Management.Automation/engine/SessionStateContainer.cs
@@ -1478,7 +1478,7 @@ namespace System.Management.Automation
                 string originalPath = path;
                 path =
                     Globber.GetProviderPath(
-                        path,
+                        context.SuppressWildcardExpansion ? path : WildcardPattern.Unescape(path),
                         context,
                         out provider,
                         out drive);
@@ -2441,7 +2441,7 @@ namespace System.Management.Automation
 
                 string providerPath =
                     Globber.GetProviderPath(
-                        path,
+                        context.SuppressWildcardExpansion ? path : WildcardPattern.Unescape(path),
                         context,
                         out provider,
                         out drive);
diff --git a/test/powershell/Modules/Microsoft.PowerShell.Management/Get-ChildItem.Tests.ps1 b/test/powershell/Modules/Microsoft.PowerShell.Management/Get-ChildItem.Tests.ps1
index 6a1d791ed2..fa91e5a132 100644
--- a/test/powershell/Modules/Microsoft.PowerShell.Management/Get-ChildItem.Tests.ps1
+++ b/test/powershell/Modules/Microsoft.PowerShell.Management/Get-ChildItem.Tests.ps1
@@ -196,6 +196,22 @@ Describe "Get-ChildItem" -Tags "CI" {
     }
 }
 
+Describe "Get-ChildItem with special path" -Tags "CI" {
+
+    BeforeAll {
+        $bracketDirName = "Test[Dir]"
+        $bracketDir = "Test``[Dir``]"
+        $bracketPath = Join-Path $TestDrive $bracketDir
+        $null = New-Item -Path $TestDrive -Name $bracketDirName -ItemType Directory -Force
+    }
+
+    It "Should list files in directory with name containing bracket char" {
+        $null = New-Item -Path $bracketPath -Name file1.txt -ItemType File
+        $null = New-Item -Path $bracketPath -Name file2.txt -ItemType File
+        Get-ChildItem -Path $bracketPath | Should -HaveCount 2
+    }
+}
+
 Describe 'FileSystem Provider Formatting' -Tag "CI","RequireAdminOnWindows" {
 
     BeforeAll {