Restores NuGet packages in a specified folder without the need for a solution file.

TeamCityRestoreNuGetPackagesInFolder.ps1

$nugetFolder = "%teamcity.tool.NuGet.CommandLine.3.5.0%\tools"

$solutionDirectory = "%system.teamcity.build.workingDir%\"
$nuget = "$nugetFolder\nuget.exe" 

Get-ChildItem -Include *.csproj, *.vbproj -Recurse | % { 
    Write-Host "Processing Project $($_.Name)" 
    & $nuget restore $_.FullName -solutiondirectory $solutionDirectory
}