fix(scoop-update): Enforce $null array (#4725)

Author: niheaven

CHANGELOG.md

@@ -25,6 +25,7 @@
 - **shim:** Fix `sh` shim error in WSL ([#4637](https://github.com/ScoopInstaller/Scoop/issues/4637))
 - **versions:** Fix wrong version number when only one version dir ([#4679](https://github.com/ScoopInstaller/Scoop/issues/4679))
 - **versions:** Get current version from failed installation if possible ([#4720](https://github.com/ScoopInstaller/Scoop/issues/4720))
+  - **scoop-update:** Enforce $null array ([#4725](https://github.com/ScoopInstaller/Scoop/issues/4725))
 - **scoop-cleanup:** Remove apps other than current version ([#4665](https://github.com/ScoopInstaller/Scoop/issues/4665))
 - **scoop-update:** Skip updating non git buckets ([#4670](https://github.com/ScoopInstaller/Scoop/issues/4670))
   - **scoop-update:** Remove 'Done.' output ([#4672](https://github.com/ScoopInstaller/Scoop/issues/4672))

lib/install.ps1

@@ -1075,7 +1075,7 @@ function ensure_none_failed($apps) {
         foreach ($global in $true, $false) {
             if (failed $app $global) {
                 if (installed $app $global) {
-                    warn "Repair previous failed installation of $app."
+                    info "Repair previous failed installation of $app."
                     & "$PSScriptRoot\..\libexec\scoop-reset.ps1" $app$(if ($global) { ' --global' })
                 } else {
                     warn "Purging previous failed installation of $app."

libexec/scoop-update.ps1

@@ -274,18 +274,20 @@ function update($app, $global, $quiet = $false, $independent, $suggested, $use_c
         install_app $app $architecture $global $suggested $use_cache $check_hash
     } else {
         # Also add missing dependencies
-        $apps = (Get-Dependency $app $architecture) -ne $app
+        $apps = @(Get-Dependency $app $architecture) -ne $app
         ensure_none_failed $apps
-        @($apps) + $app | Where-Object { !(installed $_) } | ForEach-Object { install_app $_ $architecture $global $suggested $use_cache $check_hash }
+        $apps.Where({ !(installed $_) }) + $app | ForEach-Object { install_app $_ $architecture $global $suggested $use_cache $check_hash }
     }
 }
 
 if (-not ($apps -or $all)) {
     if ($global) {
-        "scoop update: --global is invalid when <app> is not specified."; exit 1
+        error 'scoop update: --global is invalid when <app> is not specified.'
+        exit 1
     }
     if (!$use_cache) {
-        "scoop update: --no-cache is invalid when <app> is not specified."; exit 1
+        error 'scoop update: --no-cache is invalid when <app> is not specified.'
+        exit 1
     }
     update_scoop
 } else {
@@ -320,7 +322,7 @@ if (-not ($apps -or $all)) {
                 }
             } elseif ($apps_param -ne '*') {
                 if ($status.installed) {
-                    ensure_none_failed $app $global
+                    ensure_none_failed $app
                     Write-Host "$app`: $($status.version) (latest version)" -ForegroundColor Green
                 } else {
                     info 'Please reinstall it or fix the manifest.'