Merge pull request #16 from actions/v-nibyko/boost

Add GetToolDirectory function and fix Get-CommandResult to work properly on Windows

common-helpers.psm1

@@ -83,3 +83,26 @@ function IsNixPlatform {
 
     return ($Platform -match "macos") -or ($Platform -match "darwin") -or ($Platform -match "ubuntu") -or ($Platform -match "linux")
 }
+
+<#
+.SYNOPSIS
+Get root directory of selected tool
+#>
+function GetToolDirectory {
+    param(
+        [Parameter(Mandatory=$true)]
+        [String]$ToolName,
+        [Parameter(Mandatory=$true)]
+        [String]$Version,
+        [Parameter(Mandatory=$true)]
+        [String]$Architecture
+    )
+    $targetPath = $env:AGENT_TOOLSDIRECTORY
+    if ([string]::IsNullOrEmpty($targetPath)) {
+        # GitHub Windows images don't have `AGENT_TOOLSDIRECTORY` variable
+        $targetPath = $env:RUNNER_TOOL_CACHE
+    }
+    $ToolcachePath = Join-Path -Path $targetPath -ChildPath $ToolName
+    $ToolcacheVersionPath = Join-Path -Path $ToolcachePath -ChildPath $Version
+    return Join-Path $ToolcacheVersionPath $Architecture
+}

pester-extensions.psm1

@@ -6,14 +6,19 @@ Pester extension that allows to run command and validate exit code
 #>
 
 function Get-CommandResult {
-    param (
+    Param (
         [Parameter(Mandatory=$true)]
         [string] $Command,
         [switch] $Multiline
     )
-    # Bash trick to suppress and show error output because some commands write to stderr (for example, "python --version")
-    $stdout = & bash -c "$Command 2>&1"
+    # CMD and bash trick to suppress and show error output because some commands write to stderr (for example, "python --version")
+    If ($IsWindows) {
+        $stdout = & $env:comspec /c "$Command 2>&1"
+    } else {
+        $stdout = & bash -c "$Command 2>&1"
+    }
     $exitCode = $LASTEXITCODE
+
     return @{
         Output = If ($Multiline -eq $true) { $stdout } else { [string]$stdout }
         ExitCode = $exitCode