Copy to the docker context folder

Author: Pavel Purma

eng/Stage-EngCommon.ps1

@@ -14,16 +14,22 @@ $dockerfiles = Get-ChildItem (Join-Path $repoRoot 'src') -Filter Dockerfile -Fil
     }
 
 foreach ($dockerfile in $dockerfiles) {
-    $engDirectory = Join-Path $dockerfile.Directory.FullName 'eng'
+    $buildContextDirectory = $dockerfile.Directory.FullName
+    if ($dockerfile.Directory.Parent.Name -eq 'crossdeps-builder') {
+        $buildContextDirectory = $buildContextDirectory -replace '([\\/])crossdeps-builder', '${1}crossdeps'
+    }
+
+    $engDirectory = Join-Path $buildContextDirectory 'eng'
     $destination = Join-Path $engDirectory 'common'
 
     if (Test-Path -LiteralPath $destination) {
         Remove-Item -LiteralPath $destination -Recurse -Force
     }
 
     if (-not $Clean) {
+        New-Item -Path $buildContextDirectory -ItemType Directory -Force | Out-Null
         New-Item -Path $engDirectory -ItemType Directory -Force | Out-Null
         Copy-Item -LiteralPath $source -Destination $engDirectory -Recurse -Force
-        Write-Host "Staged eng/common next to $($dockerfile.FullName)"
+        Write-Host "Staged eng/common for $($dockerfile.FullName) in $destination"
     }
 }