Functions/GenXdev.AI/EnsureWinMergeInstalled.ps1
|
<##############################################################################
Part of PowerShell module : GenXdev.AI Original cmdlet filename : EnsureWinMergeInstalled.ps1 Original author : René Vaessen / GenXdev Version : 1.300.2025 ################################################################################ Copyright (c) René Vaessen / GenXdev Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. ################################################################################> ############################################################################### <# .SYNOPSIS Ensures WinMerge is installed and available for file comparison operations. .DESCRIPTION Verifies if WinMerge is installed and properly configured in the system PATH. If not found, installs WinMerge using WinGet and adds it to the user's PATH. Handles the complete installation and configuration process automatically. .EXAMPLE EnsureWinMergeInstalled Ensures WinMerge is installed and properly configured. #> function EnsureWinMergeInstalled { [CmdletBinding()] param() begin { ######################################################################## <# .SYNOPSIS Checks if the WinGet PowerShell module is installed. .DESCRIPTION Attempts to import the Microsoft.WinGet.Client module and verifies its presence. .EXAMPLE IsWinGetInstalled #> function IsWinGetInstalled { # attempt to load the winget module silently Microsoft.PowerShell.Core\Import-Module 'Microsoft.WinGet.Client' ` -ErrorAction SilentlyContinue # verify if module was loaded successfully $ModuleObj = Microsoft.PowerShell.Core\Get-Module 'Microsoft.WinGet.Client' ` -ErrorAction SilentlyContinue return $null -ne $ModuleObj } ######################################################################## <# .SYNOPSIS Installs the WinGet PowerShell module. .DESCRIPTION Installs and imports the Microsoft.WinGet.Client module for package management. .EXAMPLE InstallWinGet #> function InstallWinGet { # request user consent before installing winget module $consent = GenXdev.FileSystem\Confirm-InstallationConsent ` -ApplicationName 'Microsoft.WinGet.Client' ` -Source 'PowerShell Gallery' ` -Description 'PowerShell module for Windows Package Manager operations' ` -Publisher 'Microsoft' if (-not $consent) { throw 'Installation of Microsoft.WinGet.Client was denied by user.' } # install and import winget module with force to ensure success Microsoft.PowerShell.Utility\Write-Verbose 'Installing WinGet PowerShell client...' $null = PowerShellGet\Install-Module 'Microsoft.WinGet.Client' -Force -AllowClobber # load the newly installed module Microsoft.PowerShell.Core\Import-Module 'Microsoft.WinGet.Client' } } process { # verify if winmerge is available in current session if (@(Microsoft.PowerShell.Core\Get-Command 'WinMergeU.exe' -ErrorAction SilentlyContinue).Length -eq 0) { # define the standard installation location for winmerge $winMergePath = Microsoft.PowerShell.Management\Join-Path $env:LOCALAPPDATA 'Programs\WinMerge' # get the current user's path environment variable $currentPath = [Environment]::GetEnvironmentVariable('PATH', 'User') # ensure winmerge path exists in user's path variable if ($currentPath -notlike "*$winMergePath*") { Microsoft.PowerShell.Utility\Write-Verbose 'Adding WinMerge to system PATH...' [Environment]::SetEnvironmentVariable( 'PATH', "$currentPath;$winMergePath", 'User') } # update current session's path only if not already present if ($env:PATH -notlike "*$winMergePath*") { $env:PATH = "$env:PATH;$winMergePath" } # check if winmerge is now accessible if (@(Microsoft.PowerShell.Core\Get-Command 'WinMergeU.exe' -ErrorAction SilentlyContinue).Length -gt 0) { return } Microsoft.PowerShell.Utility\Write-Host 'WinMerge not found. Installing WinMerge...' # ensure winget is available for installation if (-not (IsWinGetInstalled)) { InstallWinGet } # request user consent before installing winmerge $consentWinMerge = GenXdev.FileSystem\Confirm-InstallationConsent ` -ApplicationName 'WinMerge' ` -Source 'WinGet' ` -Description 'Visual diff and merge tool for files and folders' ` -Publisher 'WinMerge Team' if (-not $consentWinMerge) { throw 'Installation of WinMerge was denied by user.' } # install winmerge using winget package manager $null = Microsoft.WinGet.Client\Install-WinGetPackage -Id 'WinMerge.WinMerge' -Force # define the standard installation location for winmerge $winMergePath = Microsoft.PowerShell.Management\Join-Path $env:LOCALAPPDATA 'Programs\WinMerge' # get the current user's path environment variable $currentPath = [Environment]::GetEnvironmentVariable('PATH', 'User') # ensure winmerge path exists in user's path variable if ($currentPath -notlike "*$winMergePath*") { Microsoft.PowerShell.Utility\Write-Verbose 'Adding WinMerge to system PATH...' [Environment]::SetEnvironmentVariable( 'PATH', "$currentPath;$winMergePath", 'User') } # update current session's path only if not already present if ($env:PATH -notlike "*$winMergePath*") { $env:PATH = "$env:PATH;$winMergePath" } # verify successful installation if (-not (Microsoft.PowerShell.Core\Get-Command 'WinMergeU.exe' -ErrorAction SilentlyContinue)) { throw 'WinMerge installation failed.' } } } end { } } |