public/Get-InstalledPackage.ps1
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# Returns the packages that are installed. function Get-InstalledPackage { [Diagnostics.CodeAnalysis.SuppressMessageAttribute('PSReviewUnusedParameter', '', Justification='Version may not always be used, but are still required')] [CmdletBinding()] param ( [Parameter()] [string] $Name, [Parameter()] [string] $RequiredVersion, [Parameter()] [string] $MinimumVersion, [Parameter()] [string] $MaximumVersion ) Write-Debug ($LocalizedData.ProviderDebugMessage -f ('Get-InstalledPackage')) # If a user wants to check whether the latest version is installed, first check the repo for what the latest version is if ($RequiredVersion -eq 'latest') { $RequiredVersion = $(Find-ChocoPackage -Name $Name).Version } $chocoParams = @{ # Remove this flag after the release of Chocolatey v2 LocalOnly = $true AllVersions = $true } # If a user provides a name without a wildcard, include it in the search # This provides wildcard search behavior for locally installed packages, which Chocolatey lacks if ($Name -And -Not ([WildcardPattern]::ContainsWildcardCharacters($Name))) { $chocoParams.Add('Name',$Name) } # Convert the PSCustomObject output from Foil into PackageManagement SWIDs, then 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 | ConvertTo-SoftwareIdentity | Where-Object {-Not $Name -Or ($_.Name -Like $Name)} | Where-Object {Test-PackageVersion -Package $_ -RequiredVersion $RequiredVersion -MinimumVersion $MinimumVersion -MaximumVersion $MaximumVersion} } |