public/Initialize-PhpSwitcher.ps1
|
function Initialize-PhpSwitcher { <# .Synopsis Initializes the PHP Switcher. .Parameter Alias The path where PHP will be visible when switching to a PHP version. .Parameter Scope Initialize the PHP Switcher for the current user only ('CurrentUser' - default), or for any user ('AllUsers'). .Parameter Force Force the creation of a PHP Switcher even if there's already an existing switcher. .Example Initialize-PhpSwitcher C:\PHP Add-PhpToSwitcher 5.6 C:\PHP5.6 Add-PhpToSwitcher 7.2 C:\PHP7.2 Switch-Php 5.6 #> [OutputType()] param ( [Parameter(Mandatory = $true, Position = 0, HelpMessage = 'The path where PHP will be visible when switching to a PHP version')] [ValidateNotNull()] [ValidateLength(1, [int]::MaxValue)] [string]$Alias, [Parameter(Mandatory = $false, Position = 99, HelpMessage = 'Initialize the PHP Switcher for the current user only (''CurrentUser''), or for any user (''AllUsers'')')] [ValidateSet('CurrentUser', 'AllUsers')] [string]$Scope = 'CurrentUser', [switch]$Force ) begin { } process { $existingSwitcher = Get-PhpSwitcher if ($null -ne $existingSwitcher) { if ($Scope -eq 'AllUsers' -and $existingSwitcher.Scope -eq 'CurrentUser') { throw 'It''s not possible to create a PHP Switcher for all users while there''s a PHP Switcher for the current user.' } if ($Scope -eq $existingSwitcher.Scope) { if (-Not($Force)) { throw 'Another PHP Switcher already exists. You should delete it first (with the Remove-PhpSwitcher command), or use the -Force flag.' } } else { $existingSwitcher = $null } } $newSwitcher = @{} $Alias = [System.IO.Path]::GetFullPath($Alias) if (Test-Path -LiteralPath $Alias -PathType Container) { $aliasItem = Get-Item -LiteralPath $Alias if ($aliasItem.LinkType -ne 'Junction') { throw "$Alias already exist and it's not a junction." } } elseif (Test-Path -LiteralPath $Alias) { throw "$Alias already exist and it's not a junction." } $newSwitcher.Alias = $Alias $newSwitcher.Targets = @{} if ($existingSwitcher) { Remove-PhpSwitcher } Set-PhpManagerConfigurationKey -Key 'PHP_SWITCHER' -Value $newSwitcher -Scope $Scope Write-Verbose 'The new PHP Switcher has been created.' } end { } } |