better p4 sync

p4sync.ps1

function Sync-Perforce($Path)
{
    Write-Host $Path
    $arguement = "$($Path)/...";
    p4 sync $arguement 1>$null 2>&1;
    if ($LASTEXITCODE -ne 0) {
        $output = & p4 sync $arguement 2>&1;
        if ($output.CategoryInfo.TargetName -eq "Request too large (over 750000); see 'p4 help maxresults'.") {
            Write-Debug "Request too large! Retrying Subdirs";
            $SubDirs = &p4 dirs -C "$($Path)/*"
            foreach ($i in $SubDirs) {
                Sync-Perforce $i;
            }
        } else {
            Write-Error $output.CategoryInfo.TargetName;
            Write-Error "Unknown sync error!";
            throw "Sync error!";
        }
    }
    if ((Get-PSCallStack).Length -eq 2) {
        p4 resolve -am //...;
    }
}