Changes in the update script

data/wsl/UpdateInstall.ps1

@@ -22,7 +22,7 @@ $SearchResult = $Searcher.Search("IsInstalled=0")
 # Check if updates are available
 if ($SearchResult.Updates.Count -eq 0) {
     LogMessage "No updates found." -Color "Yellow"
-    return 0
+    return
 }
 
 # Display updates found
@@ -48,11 +48,9 @@ foreach ($Update in $UpdatesToInstall) {
             LogMessage "Downloaded: $($Update.Title) successfully." -Color "Green"
         } else {
             LogMessage "Download failed for: $($Update.Title)" -Color "Yellow"
-            return 1
         }
     } catch {
         LogMessage "Error downloading $($Update.Title): $_" -Color "Red"
-        return 1
     }
 }
 
@@ -71,14 +69,12 @@ foreach ($Update in $UpdatesToInstall) {
             LogMessage "Successfully installed: $($Update.Title)" -Color "Green"
         } else {
             LogMessage "Installation failed for: $($Update.Title). Result code: $($InstallResult.ResultCode)" -Color "Yellow"
-            return 1
         }
     } catch {
         LogMessage "Error occurred during installation of $($Update.Title): $_" -Color "Red"
-        return 1
     }
 }
 
 # Completion message
 LogMessage "Windows Update process completed."
-return 0
+$port.WriteLine('0')

tests/wsl/install/update_windows.pm

@@ -14,10 +14,10 @@ sub run {
 
     my $vbs_url = data_url("wsl/UpdateInstall.ps1");
     $self->open_powershell_as_admin;
-    $self->run_in_powershell(cmd => "Invoke-WebRequest -Uri \"$vbs_url\" -OutFile \"C:\\UpdateInstall.ps1\"");
+    $self->run_in_powershell(cmd => "Invoke-WebRequest -Uri \"$vbs_url\" -OutFile \"\$env:TEMP\\UpdateInstall.ps1\"");
     $self->run_in_powershell(cmd => "Set-ExecutionPolicy Bypass -Scope CurrentUser -Force");
     $self->run_in_powershell(
-        cmd => 'cd \\; $port.WriteLine($(.\\UpdateInstall.ps1))',
+        cmd => "cd \$env:TEMP; .\\UpdateInstall.ps1",
         code => sub {
             die("Update script finished unespectedly or timed out...")
               unless wait_serial('0', timeout => 3600);