private/Get-ChocoPackage.ps1

function Get-ChocoPackage {
    param (
        [Parameter()]
        [PackageRequest]
        $Request = $Request
    )

    $chocoParams = @{
        LocalOnly = $true
        AllVersions = $true
    }

    # If a user provides a name without a wildcard, include it in the search
    # This provides wildcard search behavior for locally installed packages, which Chocolatey lacks
    if ($Request.Name -And -Not ([WildcardPattern]::ContainsWildcardCharacters($Request.Name))) {
        $chocoParams.Add('Name',$Request.Name)
    }

    # Filter results by any name and version requirements
    # We apply additional package name filtering when using wildcards to make Chocolatey's wildcard behavior more PowerShell-esque
    Foil\Get-ChocoPackage @chocoParams |
        Where-Object {$Request.IsMatch($_.Name)} |
            Where-Object {-Not $Request.Version -Or (([NuGet.Versioning.VersionRange]$Request.Version).Satisfies($_.Version))}
}