Fixes the nuget restore packages folder when restoring from both servers and directories at the same time.

Update-PackagesDirectory.ps1

$packagesPath = (Join-Path -Path $WorkingDirectory -ChildPath "packages");
    if (Test-Path -Path $packagesPath) {
      Write-Verbose -Message "Fixing packages folder structure...";
      $restoredVersionedPackagePaths = @(Get-ChildItem -Path $packagesPath -Directory |
          Select-Object -ExpandProperty "FullName" |
          ForEach-Object {
          $path = $_;
          $versionedMatch = [regex]::Match($path, ".*?\\(?<path>packages\\(?<id>.*?)\.(?<version>\d+(?:\.\d+)+))");
          if (!$versionedMatch.Success) {
            return;
          }
          New-Object -TypeName "psobject" -Property $([ordered]@{
              Path = $path;
              Version = [version]$versionedMatch.Groups["version"].Value;
              Id = $versionedMatch.Groups["id"].Value;
              NupkgPath = (Get-ChildItem -Path $path -File -Filter "*.nupkg" | Select-Object -ExpandProperty "FullName" -First 1)
              Directories = (Get-ChildItem -Path $path -Directory | Select-Object -ExpandProperty "FullName")
            }) | Write-Output;
        });
      foreach ($restoredVersionedPackagePath in $restoredVersionedPackagePaths) {
        $modernPackageId = $restoredVersionedPackagePath.Id.ToLowerInvariant();
        $modernPackagePath = Join-Path -Path $packagesPath -ChildPath $modernPackageId;
        $modernVersion = $restoredVersionedPackagePath.Version.Major.ToString();
        $modernVersion += if ($restoredVersionedPackagePath.Version.Minor -lt 0) {
          ".0"
        } else {
          ".$($restoredVersionedPackagePath.Version.Minor.ToString())";
        }
        $modernVersion += if ($restoredVersionedPackagePath.Version.Build -lt 0) {
          ".0"
        } else {
          ".$($restoredVersionedPackagePath.Version.Build.ToString())";
        }
        if (!(Test-Path -Path $modernPackagePath)) {
          New-Item -ItemType "Directory" -Path $modernPackagePath -Force | Out-Null;
        }
        $modernVersionedPackagePath = Join-Path -Path $modernPackagePath -ChildPath $modernVersion;
        if (!(Test-Path -Path $modernVersionedPackagePath)) {
          New-Item -ItemType "Directory" -Path $modernVersionedPackagePath -Force | Out-Null;
        } else {
          continue;
        }
        $currentDirectories = @(Get-ChildItem -Path $modernVersionedPackagePath -Directory | Select-Object -ExpandProperty "FullName");
        if ($currentDirectories) {
          $currentDirectories | ForEach-Object { Remove-Item -Path $_ -Recurse -Force | Out-Null; };
        }
        foreach ($directory in $restoredVersionedPackagePath.Directories) {
          $directoryName = Split-Path -Path $directory -Leaf;
          $exec = Join-Path -Path ([System.Environment]::SystemDirectory) -ChildPath "xcopy.exe";
          $targetDirectory = Join-Path -Path $modernVersionedPackagePath -ChildPath $directoryName;
          $execResult = (& cmd.exe /s /c "`"$exec`" `"$directory`" `"$targetDirectory`" /E /I 2>&1");
          if ($execResult) {
            foreach ($line in @($execResult)) {
              Write-Verbose -Message $line;
            }
          }
        }
        $modernPackageHash = [System.Convert]::ToBase64String([System.Text.Encoding]::UTF8.GetBytes($(Get-FileHash -Path $restoredVersionedPackagePath.NupkgPath -Algorithm "SHA512").Hash));
        $modernPackageHashPath = Join-Path -Path $modernVersionedPackagePath -ChildPath "$modernPackageId.$modernVersion.nupkg.sha512";
        if (!(Test-Path -Path $modernPackageHashPath)) {
          Set-Content -Path $modernPackageHashPath -Value $modernPackageHash -Encoding UTF8 -Force;
        }
        $modernNupkgPath = Join-Path -Path $modernVersionedPackagePath -ChildPath "$modernPackageId.$modernVersion.nupkg";
        if (!(Test-Path -Path $modernNupkgPath)) {
          Copy-Item -Path $restoredVersionedPackagePath.NupkgPath -Destination $modernNupkgPath -Force;
        }
        $modernMetaPath = Join-Path -Path $modernVersionedPackagePath -ChildPath ".nupkg.metadata";
        if (!(Test-Path -Path $modernMetaPath)) {
          Set-Content -Path $modernMetaPath -Value $($(New-Object -TypeName "psobject" -Property @{ version = 1; contentHash = $modernPackageHash }) | ConvertTo-Json -Depth 9) -Encoding UTF8 -Force;
        }
        $modernNuspecPath = Join-Path -Path $modernVersionedPackagePath -ChildPath "$modernPackageId.nuspec";
        if (!(Test-Path -Path $modernNuspecPath)) {
          if ( -not("System.IO.Compression.ZipFile" -as [Type]) ) {
            [System.Reflection.Assembly]::LoadWithPartialName("System.IO.Compression.FileSystem") | Out-Null;
          }
          $nupkgZip = [System.IO.Compression.ZipFile]::OpenRead($modernNupkgPath);
          $nupkgZipNuspecEntry = $nupkgZip.Entries |
            Where-Object { $_.FullName -like "*.nuspec" } |
            Select-Object -First 1;
          [System.IO.Compression.ZipFileExtensions]::ExtractToFile($nupkgZipNuspecEntry, $(Join-Path -Path $modernVersionedPackagePath -ChildPath $nupkgZipNuspecEntry.Name.ToLowerInvariant()), $true);
          $nupkgZip.Dispose();
        }
      }
      Write-Verbose -Message "Done fixing packages folder structure.";
    }