functions/Remove-PMPackage.ps1
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function Remove-PMPackage { <# .SYNOPSIS Removes a ProgramManager package from the database. .DESCRIPTION Erases the data of a ProgramManager.Package object from the database. .PARAMETER PackageName The name of the package to remove. .PARAMETER RetainFiles If removing a local or portable package, which has files/installers saved within the package store, this switch will move those files to a specific location rather than deleting them. .PARAMETER Path To be used in conjunction with -RetainFiles. This is the path where the package files will be moved into. .PARAMETER Confirm If this switch is enabled, you will be prompted for confirmation before executing any operations that change state. .PARAMETER WhatIf If this switch is enabled, no actions are performed but informational messages will be displayed that explain what would happen if the command were to run. .EXAMPLE PS C:\> Remove-PMPackage -PackageName "notepad" This command will remove the package "notepad" from the database and delete any physical files, such as the installer executable. .EXAMPLE PS C:\ Remove-PMPackage -PackageName "notepad" -RetainFiles -Path "~\Downloads\" This command will remove the package "notepad" from the database, but will not delete any physical files, such as the installer executable. It will move the files to the ~\Download\ foder .EXAMPLE PS C:\ Get-PMPackage "notepad" | Remove-PMPackage This command supports passing in a ProgramManager.Package object, by retrieving it using Get-PMPacakge for example. This command will remove the package "notepad" from the database and delete any physical files, such as the installer executable. .INPUTS System.String .OUTPUTS None #> [CmdletBinding(SupportsShouldProcess = $true, ConfirmImpact = "Medium")] Param ( [Parameter(Mandatory = $true, Position = 0, ValueFromPipelineByPropertyName = $true)] [AllowEmptyString()] [Alias("Name")] [string] $PackageName, [Parameter(Position = 1)] [switch] $RetainFiles, [Parameter(Position = 2)] [AllowEmptyString()] [string] $Path ) # Import all PMPackage objects from the database file Write-Verbose "Loading existing packages from database" $packageList = Import-PackageList # Check that the name is not empty if ([System.String]::IsNullOrWhiteSpace($PackageName) -eq $true) { Write-Message -Message "The package name cannot be empty" -DisplayWarning return } # Check if package name exists Write-Verbose "Retrieving the ProgramManager.Package Object" $package = $packageList | Where-Object { $_.Name -eq $PackageName } if ($null -eq $package) { Write-Message -Message "There is no package called: $PackageName" -DisplayWarning return } # Check that the path is not empty if ($RetainFiles -eq $true -and [System.String]::IsNullOrWhiteSpace($Path) -eq $true) { Write-Message -Message "The path cannot be empty" -DisplayWarning return } # Url or chocolatey packages dont store any files if ($package.Type -eq "LocalPackage" -or $package.Type -eq "PortablePackage") { Write-Verbose "Detected Local-Package or Portable-Package" # Check in case there is no folder for some reason? if ((Test-Path -Path "$script:DataPath\packages\$PackageName\") -eq $false) { Write-Message -Message "There are no files for this package in the package store. This should not happen." -DisplayError return } if ($RetainFiles -eq $true) { Write-Verbose "Detected -RetainFiles flag" # Check that the path to move the files to is valid if ((Test-Path -Path $Path) -eq $false) { Write-Message -Message "The file path does not exist" -DisplayWarning return } # Check that the path doesn't contain any characters which could cause potential issues if ($Path -like "*.*" -or $Path -like "*``**" -or $Path -like "*.``**") { Write-Message -Message "The path contains invalid characters" -DisplayWarning return } if ($PSCmdlet.ShouldProcess("Package `'$PackageName`'", "Move the package files to $Path")){ # Move the package files to the specified path Write-Verbose "Moving package files to $Path" Move-Item -Path "$script:DataPath\packages\$PackageName\" -Destination $Path } }else { if ($PSCmdlet.ShouldProcess("Package `'$PackageName`'", "Delete the package files")) { # Remove the package from the package store Write-Verbose "Deleting package files at \packages\$PackageName" Remove-Item -Path "$script:DataPath\packages\$PackageName\" -Recurse -Force } } }elseif ($package.Type -eq "UrlPackage" -and $RetainFiles -eq $true) { # Notify user that -RetainFiles flag has no effect on a url package Write-Message -Message "The flag -RetainFiles has no effect on a url package" -DisplayWarning } if ($PSCmdlet.ShouldProcess("$script:DataPath\packageDatabase.xml", "Remove the package `'$PackageName`'")){ # Remove the PMPackage from the list Write-Verbose "Removing package object from list" $packageList.Remove($package) | Out-Null # Export-out package list to xml file Write-Verbose "Writing-out data back to database" Export-PackageList -PackageList $packageList } } |