Update module to support running in SYSTEM context

WingetTools.psd1

@@ -5,7 +5,7 @@
 @{
 
     RootModule           = 'WingetTools.psm1'
-    ModuleVersion        = '1.4.0'
+    ModuleVersion        = '1.4.1'
     CompatiblePSEditions = @('Desktop', 'Core')
     GUID                 = '1130bb85-58d1-487d-9763-c38011f9613d'
     Author               = 'Jeff Hicks'
@@ -25,7 +25,7 @@
         'formats\wginstalled.format.ps1xml'
     )
     FunctionsToExport    = 'Get-WGPackage', 'Install-Winget', 'Get-WGReleaseNote',
-    'Get-WGInstalled', 'Invoke-WGUpgrade', 'Get-WGUpgrade', 'Test-WGVersion'
+    'Get-WGInstalled', 'Invoke-WGUpgrade', 'Get-WGUpgrade', 'Test-WGVersion' , 'Get-WingetPath'
     AliasesToExport      = 'wglatest', 'iwg'
     PrivateData          = @{
         PSData = @{

functions/Get-WGInstalled.ps1

@@ -10,11 +10,12 @@ Function Get-WGInstalled {
     Begin {
         Write-Verbose "[$((Get-Date).TimeofDay) BEGIN  ] Starting $($myinvocation.mycommand)"
         $tmpFile = "$env:temp\wgExport_{0}.json" -f (Get-Date -Format yyyymmdd)
+        $Winget = Get-WingetPath
     } #begin
 
     Process {
         Write-Verbose "[$((Get-Date).TimeofDay) PROCESS] Building list of packages with a winget source"
-        [void](winget export -s winget -o $tmpFile --include-versions)
+        [void](& $winget export -s winget -o $tmpFile --include-versions)
         if (Test-Path -Path $tmpFile) {
             #import the json file
             Write-Verbose "[$((Get-Date).TimeofDay) PROCESS] Importing temporary JSON data"
@@ -25,12 +26,13 @@ Function Get-WGInstalled {
             Write-Verbose "[$((Get-Date).TimeofDay) PROCESS] Found $count packages. Getting details."
 
             $jobList = [system.collections.generic.list[object]]::new()
+            $wingetPath = $winget
             foreach ($pkg in $json.Sources.packages) {
                 Write-Verbose "[$((Get-Date).TimeofDay) PROCESS] $($pkg.PackageIdentifier)"
                 $i++
                 #9 August 2022 Using Threadjobs to get online package details for better scaling - JDH
                 $sb = {
-                    Param([object]$pkg, [string]$source)
+                    Param([object]$pkg, [string]$source, [string]$wingetPath)
                     Function _parseVersion {
                         #parse out odd characters from version strings
                         [cmdletbinding()]
@@ -49,7 +51,7 @@ Function Get-WGInstalled {
                     }
 
                     try {
-                        $show = winget show --id $pkg.PackageIdentifier --source $source
+                        $show = & $wingetPath show --id $pkg.PackageIdentifier --source $source
 
                         [regex]$rxname = "(?<=\w\s).*(?=\s\[[\S\.]+\])"
                         $installed = _parseVersion $pkg.version
@@ -75,7 +77,7 @@ Function Get-WGInstalled {
                     }
                 }
 
-                $joblist.add($(Start-ThreadJob -ScriptBlock $sb -ArgumentList $pkg, $source -Name wg))
+                $joblist.add($(Start-ThreadJob -ScriptBlock $sb -ArgumentList $pkg, $source, $wingetPath -Name wg))
 
             } #foreach pkg
 

functions/Get-WGPackage.ps1

@@ -51,7 +51,8 @@ Function Get-WGPackage {
 
         Write-Verbose "[$((Get-Date).TimeofDay) BEGIN  ] Using source $source"
         Write-Verbose "[$((Get-Date).TimeofDay) BEGIN  ] Using Parameter set $($PSCmdlet.ParameterSetName)"
-        $cmdText = "winget show --source $source"
+        $winget = Get-WingetPath
+        $cmdText = "$winget show --source $source"
 
         Switch ($PSCmdlet.ParameterSetName) {
             "Name" {

functions/Get-WingetPath.ps1

@@ -0,0 +1,12 @@
+function Get-WingetPath {
+$currentUser = whoami # get account running function
+	if ($currentUser -eq "nt authority\system")
+	{
+	# check if running in SYSTEM context set path to WINGET executable
+	$winget = Get-ChildItem -path "$env:ProgramFiles\WindowsApps" -Recurse -File | where-object { $_.name -like "AppInstallerCLI.exe" -or $_.name -like "WinGet.exe" } | Select-Object -ExpandProperty fullname
+	# If there are multiple versions, select latest
+	if ($winget.count -gt 1) { $winget = $winget[-1] }
+	}
+	else { $winget = "$env:localappdata\Microsoft\WindowsApps\Winget.exe" }
+    return $winget
+}

functions/Get-WingetUpgrade.ps1

@@ -54,8 +54,9 @@ Function Get-WGUpgrade {
 
     Write-Verbose "Starting $($MyInvocation.MyCommand)"
     #create a list to hold the results
+    $Winget = Get-WingetPath
     $list = [System.Collections.Generic.list[object]]::New()
-    $up = (winget upgrade).trim() | Where-Object { $_ -match "\d+\.\d+\s(?!MB)" }
+    $up = (& $winget upgrade).trim() | Where-Object { $_ -match "\d+\.\d+\s(?!MB)" }
 
     Write-Verbose "Found $($up.count) available upgrades"
 

functions/Invoke-WingetUpgrade.ps1

@@ -28,6 +28,7 @@ Function Invoke-WGUpgrade {
 
     Begin {
         Write-Verbose "Starting $($MyInvocation.MyCommand)"
+        $winget = Get-WingetPath
     } #begin
     Process {
         #set a flag indicating items were process in this script block
@@ -42,22 +43,22 @@ Function Invoke-WGUpgrade {
             foreach ($item in $InputObject) {
                 if ($pscmdlet.ShouldProcess($item.id, "Upgrade from $($item.version) to $($item.Available)")) {
                     if ($item.source) {
-                        winget upgrade --id $item.id --source $item.source --silent --accept-package-agreements --accept-source-agreements
+                        & $winget upgrade --id $item.id --source $item.source --silent --accept-package-agreements --accept-source-agreements
                     }
                     else {
-                        winget upgrade --id $item.id --silent --accept-package-agreements --accept-source-agreements
+                        & $winget upgrade --id $item.id --silent --accept-package-agreements --accept-source-agreements
                     }
                 }
             } #foreach
         }
         elseif ($pscmdlet.ParameterSetName -eq 'all' -AND $IncludeUnknown) {
             if ($pscmdlet.ShouldProcess("all installed and unknown packages")) {
-                winget upgrade --all --include-unknown --silent
+                & $winget upgrade --all --include-unknown --silent
             }
         }
         elseif ($pscmdlet.ParameterSetName -eq 'all') {
             if ($pscmdlet.ShouldProcess("all installed")) {
-                winget upgrade --all --silent
+                & $winget upgrade --all --silent
             }
         }
         else {