[macOS] Add GOROOT env variables (#4220)

images/macos/helpers/SoftwareReport.Helpers.psm1

@@ -59,4 +59,62 @@ function Get-BrewPackageVersion {
     $packageVersion = $Matches.Version
 
     return $packageVersion
+}
+
+function Get-CachedToolInstances {
+    <#
+    .SYNOPSIS
+    Returns hashtable of installed cached tools.
+
+    .DESCRIPTION
+    Return hashtable that contains versions and architectures for the selected cached tool.
+
+    .PARAMETER Name
+    Name of cached tool.
+
+    .PARAMETER VersionCommand
+    Optional parameter. Command to return version of system default tool.
+
+    .EXAMPLE
+    Get-CachedToolInstances -Name "Python" -VersionCommand "--version"
+
+    #>
+
+    param
+    (
+        [String] $Name,
+        [String] $VersionCommand
+    )
+
+    $toolInstances = @()
+    $toolPath = Join-Path -Path $env:AGENT_TOOLSDIRECTORY -ChildPath $Name
+
+    # Get all installed versions from TOOLSDIRECTORY folder
+    $versions = Get-ChildItem $toolPath | Sort-Object { [System.Version]$_.Name }
+    foreach ($version in $versions) {
+        $instanceInfo = @{}
+
+        # Create instance hashtable
+        [string]$instanceInfo.Path = Join-Path -Path $toolPath -ChildPath $version.Name
+        [string]$instanceInfo.Version = $version.Name
+
+        # Get all architectures for current version
+        [array]$instanceInfo.Architecture_Array = Get-ChildItem $version.FullName -Name -Directory | Where-Object { $_ -match "^x[0-9]{2}$" }
+        [string]$instanceInfo.Architecture = $instanceInfo.Architecture_Array -Join ", "
+
+        # Add (default) postfix to version name, in case if current version is in environment path
+        if (-not ([string]::IsNullOrEmpty($VersionCommand))) {
+            $defaultVersion = $(& ($Name.ToLower()) $VersionCommand 2>&1)
+            $defaultToolVersion = $defaultVersion   | Select-String -Pattern "\d+\.\d+\.\d+" -AllMatches `
+                                                    | ForEach-Object { $_.Matches.Value }
+
+            if ([version]$version.Name -eq [version]$defaultToolVersion) {
+                $instanceInfo.Version += " (Default)"
+            }
+        }
+
+        $toolInstances += $instanceInfo
+    }
+
+    return $toolInstances
 }