fix(core): Add 'PSObject.Copy()' to 'substitute()' (#5962)

Author: niheaven

CHANGELOG.md

@@ -2,7 +2,7 @@
 
 ### Bug Fixes
 
-- **autoupdate:** Copy `PSCustomObject`-type properties within `autoupdate` to prevent reference changes ([#5934](https://github.com/ScoopInstaller/Scoop/issues/5934))
+- **autoupdate:** Copy `PSCustomObject`-type properties within `substitute()` to prevent reference changes ([#5934](https://github.com/ScoopInstaller/Scoop/issues/5934), [#5962](https://github.com/ScoopInstaller/Scoop/issues/5962))
 - **system:** Fix argument passing to `Split-PathLikeEnvVar()` in deprecated `strip_path()` ([#5937](https://github.com/ScoopInstaller/Scoop/issues/5937))
 - **core:** Fix "Invoke-ExternalCommand" quoting rules ([#5945](https://github.com/ScoopInstaller/Scoop/issues/5945))
 

lib/autoupdate.ps1

@@ -365,7 +365,7 @@ function Update-ManifestProperty {
                 }
             } elseif ($Manifest.$currentProperty -and $Manifest.autoupdate.$currentProperty) {
                 # Update other property (global)
-                $autoupdateProperty = $Manifest.autoupdate.$currentProperty.PSObject.Copy()
+                $autoupdateProperty = $Manifest.autoupdate.$currentProperty
                 $newValue = substitute $autoupdateProperty $Substitutions
                 if (($autoupdateProperty.GetType().Name -eq 'Object[]') -and ($autoupdateProperty.Length -eq 1)) {
                     # Make sure it's an array

lib/core.ps1

@@ -1225,8 +1225,8 @@ function Test-ScoopCoreOnHold() {
 }
 
 function substitute($entity, [Hashtable] $params, [Bool]$regexEscape = $false) {
-    $newentity = $entity
-    if ($null -ne $newentity) {
+    if ($null -ne $entity) {
+        $newentity = $entity.PSObject.Copy()
         switch ($entity.GetType().Name) {
             'String' {
                 $params.GetEnumerator() | ForEach-Object {
@@ -1238,7 +1238,7 @@ function substitute($entity, [Hashtable] $params, [Bool]$regexEscape = $false) {
                 }
             }
             'Object[]' {
-                $newentity = $entity | ForEach-Object { ,(substitute $_ $params $regexEscape) }
+                $newentity = $entity | ForEach-Object { , (substitute $_ $params $regexEscape) }
             }
             'PSCustomObject' {
                 $newentity.PSObject.Properties | ForEach-Object { $_.Value = substitute $_.Value $params $regexEscape }