From 5b5daa5ee96edcfe911d52e5ef9584adffa67f64 Mon Sep 17 00:00:00 2001
From: Hsiao-nan Cheung <niheaven@gmail.com>
Date: Sun, 7 Aug 2022 02:57:12 +0800
Subject: [PATCH] fix(installed): Use 'System.Nullable<bool>' for param
 'global' (#5088)

---
 CHANGELOG.md | 1 +
 lib/core.ps1 | 4 ++--
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index f91adeb370..e1e0bb8791 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@
 ### Bug Fixes
 
 - **core:** Avoid deadlock in `Invoke-ExternalCommand` ([#5064](https://github.com/ScoopInstaller/Scoop/issues/5064))
+- **core:** Use 'System.Nullable<bool>' for param 'global' ([#5088](https://github.com/ScoopInstaller/Scoop/issues/5088))
 - **install:** Move from cache when `--no-cache` is specified ([#5039](https://github.com/ScoopInstaller/Scoop/issues/5039))
 - **scoop-status:** Correct formatting of `Info` output ([#5047](https://github.com/ScoopInstaller/Scoop/issues/5047))
 
diff --git a/lib/core.ps1 b/lib/core.ps1
index 08c3f3a5ac..94f555587d 100644
--- a/lib/core.ps1
+++ b/lib/core.ps1
@@ -225,8 +225,8 @@ function cache_path($app, $version, $url) { "$cachedir\$app#$version#$($url -rep
 
 # apps
 function sanitary_path($path) { return [regex]::replace($path, "[/\\?:*<>|]", "") }
-function installed($app, $global) {
-    if (-not $PSBoundParameters.ContainsKey('global')) {
+function installed($app, [Nullable[bool]]$global) {
+    if ($null -eq $global) {
         return (installed $app $false) -or (installed $app $true)
     }
     # Dependencies of the format "bucket/dependency" install in a directory of form