634 lines
21 KiB
PowerShell
634 lines
21 KiB
PowerShell
#!/usr/bin/env pwsh
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<#
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.SYNOPSIS
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Installs all prerequisites for the Git Workshop using winget.
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.DESCRIPTION
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This script automates the installation of required tools for the Git Workshop:
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- PowerShell 7 (cross-platform PowerShell)
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- Git 2.23+ (version control system)
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- Visual Studio Code (code editor with Git integration)
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Optional tools (with user prompts):
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- Python 3.12 (for Module 08: Multiplayer Git)
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- Windows Terminal (modern terminal experience)
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The script checks for existing installations, shows clear progress, and verifies
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each installation succeeded. At the end, it displays Git configuration instructions.
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.EXAMPLE
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PS> .\install-prerequisites.ps1
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Runs the installation script with interactive prompts.
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.NOTES
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Requires Windows 11 with winget (App Installer) available.
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Some installations may require administrator privileges.
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#>
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[CmdletBinding()]
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param()
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Set-StrictMode -Version Latest
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$ErrorActionPreference = 'Continue' # Continue on errors to show all results
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#region Helper Functions
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function Write-ColorMessage {
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param(
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[string]$Message,
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[string]$Color = 'White'
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)
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Write-Host $Message -ForegroundColor $Color
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}
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function Write-Step {
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param([string]$Message)
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Write-ColorMessage "`n=== $Message ===" -Color Cyan
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}
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function Write-Success {
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param([string]$Message)
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Write-ColorMessage " ✓ $Message" -Color Green
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}
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function Write-Warning {
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param([string]$Message)
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Write-ColorMessage " ⚠ $Message" -Color Yellow
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}
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function Write-Error {
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param([string]$Message)
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Write-ColorMessage " ✗ $Message" -Color Red
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}
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function Test-CommandExists {
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param([string]$Command)
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$oldPreference = $ErrorActionPreference
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$ErrorActionPreference = 'SilentlyContinue'
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try {
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if (Get-Command $Command -ErrorAction SilentlyContinue) {
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return $true
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}
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return $false
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}
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finally {
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$ErrorActionPreference = $oldPreference
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}
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}
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function Get-InstalledVersion {
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param(
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[string]$Command,
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[string]$VersionArg = '--version'
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)
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try {
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$output = & $Command $VersionArg 2>&1 | Select-Object -First 1
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return $output.ToString().Trim()
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}
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catch {
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return $null
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}
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}
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function Test-WingetAvailable {
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if (-not (Test-CommandExists 'winget')) {
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Write-Error "winget is not available on this system."
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Write-Host "`nTo fix this:" -ForegroundColor Yellow
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Write-Host " 1. Update Windows 11 to the latest version (Settings → Windows Update)" -ForegroundColor White
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Write-Host " 2. Install 'App Installer' from the Microsoft Store" -ForegroundColor White
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Write-Host " 3. Restart your computer and run this script again" -ForegroundColor White
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return $false
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}
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return $true
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}
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function Install-Package {
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param(
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[string]$Name,
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[string]$WingetId,
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[string]$CheckCommand,
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[string]$MinVersion = $null,
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[string]$AdditionalArgs = ''
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)
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Write-Step "Installing $Name"
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# Check if already installed
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if (Test-CommandExists $CheckCommand) {
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$version = Get-InstalledVersion $CheckCommand
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Write-Success "$Name is already installed: $version"
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if ($MinVersion -and $version) {
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# Basic version check (not perfect but good enough for common cases)
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if ($version -match '(\d+\.[\d.]+)') {
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$installedVersion = $matches[1]
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if ([version]$installedVersion -lt [version]$MinVersion) {
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Write-Warning "Version $installedVersion is below minimum required version $MinVersion"
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Write-Host " Attempting to upgrade..." -ForegroundColor Cyan
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}
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else {
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return $true
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}
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}
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}
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else {
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return $true
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}
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}
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# Install using winget
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Write-Host " Installing via winget: $WingetId" -ForegroundColor Cyan
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$installCmd = "winget install --id $WingetId --source winget --silent $AdditionalArgs".Trim()
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Write-Host " Running: $installCmd" -ForegroundColor Gray
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try {
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# Show progress during installation
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Write-Progress -Activity "Installing $Name" -Status "Downloading and installing..." -PercentComplete 25
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$result = Invoke-Expression $installCmd 2>&1
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Write-Progress -Activity "Installing $Name" -Status "Verifying installation..." -PercentComplete 75
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# Check if installation succeeded
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Start-Sleep -Seconds 2 # Give the system time to register the new command
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# Refresh environment variables in current session
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$env:Path = [System.Environment]::GetEnvironmentVariable("Path", "Machine") + ";" + [System.Environment]::GetEnvironmentVariable("Path", "User")
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if (Test-CommandExists $CheckCommand) {
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$version = Get-InstalledVersion $CheckCommand
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Write-Success "$Name installed successfully: $version"
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Write-Progress -Activity "Installing $Name" -Completed
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return $true
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}
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else {
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Write-Warning "$Name installation completed, but command '$CheckCommand' not found."
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Write-Host " You may need to restart your terminal or computer." -ForegroundColor Yellow
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Write-Progress -Activity "Installing $Name" -Completed
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return $false
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}
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}
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catch {
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Write-Error "Failed to install $Name`: $_"
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Write-Progress -Activity "Installing $Name" -Completed
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return $false
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}
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}
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function Test-GitVersion {
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if (-not (Test-CommandExists 'git')) {
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return $false
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}
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$version = Get-InstalledVersion 'git'
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# Parse Git version from various formats:
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# "git version 2.52.0", "git version 2.52.0.windows.1", etc.
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if ($version -match 'git version (\d+)\.(\d+)') {
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$majorVersion = [int]$matches[1]
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$minorVersion = [int]$matches[2]
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# Check if version is 2.23 or higher
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if ($majorVersion -gt 2 -or ($majorVersion -eq 2 -and $minorVersion -ge 23)) {
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return $true
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}
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else {
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Write-Warning "Git version $majorVersion.$minorVersion is below required version 2.23"
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return $false
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}
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}
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Write-Warning "Could not parse Git version from: $version"
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return $false
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}
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function Get-UserConfirmation {
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param([string]$Prompt)
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while ($true) {
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$response = Read-Host "$Prompt (y/n)"
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$response = $response.Trim().ToLower()
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if ($response -eq 'y' -or $response -eq 'yes') {
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return $true
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}
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elseif ($response -eq 'n' -or $response -eq 'no') {
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return $false
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}
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else {
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Write-Host "Please enter 'y' or 'n'" -ForegroundColor Yellow
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}
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}
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}
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#endregion
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#region Main Script
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Write-Host @"
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╔═══════════════════════════════════════════════════════════╗
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║ ║
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║ Git Workshop - Prerequisites Installation Script ║
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║ ║
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╚═══════════════════════════════════════════════════════════╝
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"@ -ForegroundColor Cyan
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Write-Host "This script will install the required tools for the Git Workshop:" -ForegroundColor White
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Write-Host " • PowerShell 7 (cross-platform PowerShell)" -ForegroundColor White
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Write-Host " • Git 2.23+ (version control system)" -ForegroundColor White
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Write-Host " • Visual Studio Code (code editor)" -ForegroundColor White
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Write-Host ""
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Write-Host "You will be prompted for optional tools:" -ForegroundColor White
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Write-Host " • Python 3.12 (for Module 08: Multiplayer Git)" -ForegroundColor White
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Write-Host " • Windows Terminal (modern terminal experience)" -ForegroundColor White
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Write-Host ""
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# Check for winget
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Write-Step "Checking Prerequisites"
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if (-not (Test-WingetAvailable)) {
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Write-Host "`nInstallation cannot continue without winget." -ForegroundColor Red
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return
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}
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Write-Success "winget is available"
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# Track installation results
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$results = @{
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PowerShell = $false
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Git = $false
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VSCode = $false
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VSCodeExtensions = $false
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VSCodePowerShellIntegration = $null # null = not asked, true = configured, false = skipped/failed
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Python = $null # null = not attempted, true = success, false = failed
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WindowsTerminal = $null
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}
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# Progress tracking
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$totalSteps = 4 # Required installations + extensions
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$currentStep = 0
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Write-Host "`nStarting installation..." -ForegroundColor Cyan
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Write-Host "Note: Some installations may take a few minutes." -ForegroundColor Gray
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Write-Host ""
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# Progress bar helper
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function Write-ProgressIndicator {
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param(
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[string]$Activity,
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[string]$Status,
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[int]$PercentComplete
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)
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Write-Progress -Activity $Activity -Status $Status -PercentComplete $PercentComplete
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}
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function Install-VSCodeExtension {
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param(
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[string]$ExtensionId,
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[string]$ExtensionName
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)
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Write-Host " Installing VSCode extension: $ExtensionName" -ForegroundColor Cyan
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try {
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# Refresh environment to ensure code command is available
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$env:Path = [System.Environment]::GetEnvironmentVariable("Path", "Machine") + ";" + [System.Environment]::GetEnvironmentVariable("Path", "User")
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$result = & code --install-extension $ExtensionId 2>&1
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if ($LASTEXITCODE -eq 0) {
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Write-Success "VSCode extension '$ExtensionName' installed successfully"
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return $true
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}
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else {
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Write-Warning "Failed to install VSCode extension '$ExtensionName'"
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Write-Host " You can install it manually later: Ctrl+Shift+X → Search '$ExtensionName'" -ForegroundColor Gray
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return $false
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}
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}
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catch {
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Write-Warning "Could not install VSCode extension '$ExtensionName`: $_"
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Write-Host " You can install it manually later: Ctrl+Shift+X → Search '$ExtensionName'" -ForegroundColor Gray
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return $false
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}
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}
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function Set-VSCodePowerShellIntegration {
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# Ask user if they want to set PowerShell 7 as default terminal
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$setAsDefault = Get-UserConfirmation "Set PowerShell 7 as the default terminal in VSCode? (Recommended for this workshop)"
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if (-not $setAsDefault) {
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Write-Host " Skipping PowerShell 7 terminal configuration." -ForegroundColor Gray
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return $false
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}
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Write-Host " Configuring PowerShell 7 integration with VSCode..." -ForegroundColor Cyan
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try {
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# Set PowerShell 7 as the default terminal in VSCode
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$vscodeSettingsPath = Join-Path $env:APPDATA "Code\User\settings.json"
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$vscodeSettingsDir = Split-Path $vscodeSettingsPath -Parent
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# Create directory if it doesn't exist
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if (-not (Test-Path $vscodeSettingsDir)) {
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New-Item -Path $vscodeSettingsDir -ItemType Directory -Force | Out-Null
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}
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# Read existing settings or create new
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if (Test-Path $vscodeSettingsPath) {
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$settings = Get-Content $vscodeSettingsPath -Raw | ConvertFrom-Json
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}
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else {
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$settings = @{}
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}
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# Set PowerShell 7 as default terminal
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if (-not $settings.PSObject.Properties.Name -contains "terminal.integrated.defaultProfile.windows") {
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$settings | Add-Member -NotePropertyName "terminal.integrated.defaultProfile.windows" -NotePropertyValue "PowerShell"
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}
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else {
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$settings."terminal.integrated.defaultProfile.windows" = "PowerShell"
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}
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# Add terminal profiles if not present
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if (-not $settings.PSObject.Properties.Name -contains "terminal.integrated.profiles.windows") {
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$profiles = @{
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"PowerShell" = @{
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"source" = "PowerShell"
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"icon" = "terminal-powershell"
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"path" = "pwsh.exe"
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}
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}
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$settings | Add-Member -NotePropertyName "terminal.integrated.profiles.windows" -NotePropertyValue $profiles
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}
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# Save settings
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$settings | ConvertTo-Json -Depth 10 | Set-Content $vscodeSettingsPath
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Write-Success "VSCode configured to use PowerShell 7 as default terminal"
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return $true
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}
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catch {
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Write-Warning "Could not configure VSCode PowerShell integration automatically"
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Write-Host " You can configure it manually in VSCode: Ctrl+Shift+P → Terminal: Select Default Profile → PowerShell" -ForegroundColor Gray
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return $false
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}
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}
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#region Required Installations
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# Install PowerShell 7
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$currentStep++
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Write-ProgressIndicator -Activity "Installing Required Tools" -Status "Installing PowerShell 7 (1/3)" -PercentComplete (($currentStep / $totalSteps) * 100)
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$results.PowerShell = Install-Package `
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-Name "PowerShell 7" `
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-WingetId "Microsoft.PowerShell" `
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-CheckCommand "pwsh"
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# Install Git
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$currentStep++
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Write-ProgressIndicator -Activity "Installing Required Tools" -Status "Installing Git (2/3)" -PercentComplete (($currentStep / $totalSteps) * 100)
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$results.Git = Install-Package `
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-Name "Git" `
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-WingetId "Git.Git" `
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-CheckCommand "git" `
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-MinVersion "2.23" `
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-AdditionalArgs "-e"
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# Verify Git version specifically
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if ($results.Git) {
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if (-not (Test-GitVersion)) {
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Write-Warning "Git is installed but version may be below 2.23"
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$results.Git = $false
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}
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}
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# Install Visual Studio Code
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$currentStep++
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Write-ProgressIndicator -Activity "Installing Required Tools" -Status "Installing Visual Studio Code (3/4)" -PercentComplete (($currentStep / $totalSteps) * 100)
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$results.VSCode = Install-Package `
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-Name "Visual Studio Code" `
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-WingetId "Microsoft.VisualStudioCode" `
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-CheckCommand "code"
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# Install VSCode Extensions and configure PowerShell integration
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if ($results.VSCode) {
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$currentStep++
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Write-ProgressIndicator -Activity "Installing Required Tools" -Status "Installing VSCode Extensions (4/4)" -PercentComplete (($currentStep / $totalSteps) * 100)
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Write-Host ""
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Write-Step "Configuring VSCode"
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# Install PowerShell extension
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$powershellExtensionResult = Install-VSCodeExtension -ExtensionId "ms-vscode.PowerShell" -ExtensionName "PowerShell"
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# Configure PowerShell 7 integration (optional but recommended)
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$powershellIntegrationResult = Set-VSCodePowerShellIntegration
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$results.VSCodePowerShellIntegration = $powershellIntegrationResult
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$results.VSCodeExtensions = $powershellExtensionResult
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}
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else {
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$results.VSCodeExtensions = $false
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}
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# Clear progress bar
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Write-Progress -Activity "Installing Required Tools" -Completed
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#endregion
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#region Optional Installations
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# Python 3.12 (optional)
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Write-Host ""
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if (Get-UserConfirmation "Do you want to install Python 3.12? (Required for Module 08: Multiplayer Git)") {
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Write-ProgressIndicator -Activity "Installing Optional Tools" -Status "Installing Python 3.12" -PercentComplete 50
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$results.Python = Install-Package `
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-Name "Python 3.12" `
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-WingetId "Python.Python.3.12" `
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-CheckCommand "python"
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Write-Progress -Activity "Installing Optional Tools" -Completed
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}
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else {
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Write-Host " Skipping Python installation." -ForegroundColor Gray
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$results.Python = $null
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}
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# Windows Terminal (optional)
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Write-Host ""
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if (Get-UserConfirmation "Do you want to install Windows Terminal? (Highly recommended for better terminal experience)") {
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Write-ProgressIndicator -Activity "Installing Optional Tools" -Status "Installing Windows Terminal" -PercentComplete 50
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$results.WindowsTerminal = Install-Package `
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-Name "Windows Terminal" `
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-WingetId "Microsoft.WindowsTerminal" `
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-CheckCommand "wt"
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Write-Progress -Activity "Installing Optional Tools" -Completed
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}
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else {
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Write-Host " Skipping Windows Terminal installation." -ForegroundColor Gray
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$results.WindowsTerminal = $null
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}
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#endregion
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#region Installation Summary
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Write-Step "Installation Summary"
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$allRequired = $results.PowerShell -and $results.Git -and $results.VSCode
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Write-Host ""
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Write-Host "Required Tools:" -ForegroundColor White
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if ($results.PowerShell) {
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Write-Success "PowerShell 7"
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}
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else {
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Write-Error "PowerShell 7 - Installation failed or needs restart"
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}
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if ($results.Git) {
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Write-Success "Git 2.23+"
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}
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else {
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Write-Error "Git 2.23+ - Installation failed or needs restart"
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}
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if ($results.VSCode) {
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Write-Success "Visual Studio Code"
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if ($results.VSCodeExtensions) {
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Write-Success " • PowerShell extension"
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}
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else {
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Write-Warning " • VSCode PowerShell extension may need manual installation"
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}
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if ($results.VSCodePowerShellIntegration -eq $true) {
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Write-Success " • PowerShell 7 terminal integration"
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}
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elseif ($results.VSCodePowerShellIntegration -eq $false) {
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Write-Host " • PowerShell 7 terminal integration: Skipped" -ForegroundColor Gray
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}
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}
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else {
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Write-Error "Visual Studio Code - Installation failed or needs restart"
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}
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if ($results.Python -ne $null) {
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Write-Host ""
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Write-Host "Optional Tools:" -ForegroundColor White
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if ($results.Python) {
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Write-Success "Python 3.12"
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}
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else {
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Write-Error "Python 3.12 - Installation failed or needs restart"
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}
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}
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if ($results.WindowsTerminal -ne $null) {
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if ($results.Python -eq $null) {
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Write-Host ""
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Write-Host "Optional Tools:" -ForegroundColor White
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}
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if ($results.WindowsTerminal) {
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Write-Success "Windows Terminal"
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}
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else {
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Write-Error "Windows Terminal - Installation failed or needs restart"
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}
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}
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#endregion
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#region Next Steps
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Write-Step "Next Steps"
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if ($allRequired) {
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Write-Host ""
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Write-Success "All required tools installed successfully!"
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Write-Host ""
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Write-Host "IMPORTANT: Configure Git before your first commit:" -ForegroundColor Yellow
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Write-Host ""
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Write-Host " git config --global user.name `"Your Name`"" -ForegroundColor White
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Write-Host " git config --global user.email `"your.email@example.com`"" -ForegroundColor White
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Write-Host ""
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Write-Host "Optional: Set VS Code as Git's default editor:" -ForegroundColor Cyan
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Write-Host " git config --global core.editor `"code --wait`"" -ForegroundColor White
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Write-Host ""
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Write-Host "Verify your installation:" -ForegroundColor Cyan
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|
Write-Host " pwsh --version" -ForegroundColor White
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Write-Host " git --version" -ForegroundColor White
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Write-Host " code --version" -ForegroundColor White
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|
if ($results.Python) {
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|
Write-Host " python --version" -ForegroundColor White
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|
}
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|
Write-Host ""
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|
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|
Write-Host "Set PowerShell execution policy (if needed):" -ForegroundColor Cyan
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|
Write-Host " Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Scope CurrentUser" -ForegroundColor White
|
|
Write-Host ""
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|
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Write-Host "Recommended VS Code Extensions:" -ForegroundColor Cyan
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|
Write-Host " • GitLens - Supercharge Git capabilities" -ForegroundColor White
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|
Write-Host " • Git Graph - View Git history visually" -ForegroundColor White
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|
Write-Host " • PowerShell - Better PowerShell support (from Microsoft)" -ForegroundColor White
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|
Write-Host ""
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|
Write-Host " Install via: Ctrl+Shift+X in VS Code" -ForegroundColor Gray
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|
Write-Host ""
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|
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Write-Host "You're ready to start the workshop!" -ForegroundColor Green
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|
Write-Host " cd path\to\git-workshop" -ForegroundColor White
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|
Write-Host " cd 01-essentials\01-basics" -ForegroundColor White
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|
Write-Host " .\setup.ps1" -ForegroundColor White
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|
Write-Host ""
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}
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|
else {
|
|
Write-Host ""
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|
Write-Warning "Some required installations failed or need verification."
|
|
Write-Host ""
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|
Write-Host "Troubleshooting steps:" -ForegroundColor Yellow
|
|
Write-Host " 1. Close and reopen your terminal (or restart your computer)" -ForegroundColor White
|
|
Write-Host " 2. Run this script again: .\install-prerequisites.ps1" -ForegroundColor White
|
|
Write-Host " 3. If issues persist, try manual installation:" -ForegroundColor White
|
|
Write-Host " See INSTALLATION.md for detailed instructions" -ForegroundColor White
|
|
Write-Host ""
|
|
|
|
if (-not $results.Git) {
|
|
Write-Host "For Git issues:" -ForegroundColor Yellow
|
|
Write-Host " • Restart terminal after installation (PATH needs to refresh)" -ForegroundColor White
|
|
Write-Host " • Manual download: https://git-scm.com/downloads" -ForegroundColor White
|
|
Write-Host ""
|
|
}
|
|
|
|
if (-not $results.VSCode) {
|
|
Write-Host "For VS Code issues:" -ForegroundColor Yellow
|
|
Write-Host " • Ensure 'Add to PATH' option is enabled during installation" -ForegroundColor White
|
|
Write-Host " • Manual download: https://code.visualstudio.com/" -ForegroundColor White
|
|
Write-Host ""
|
|
}
|
|
|
|
if (-not $results.PowerShell) {
|
|
Write-Host "For PowerShell 7 issues:" -ForegroundColor Yellow
|
|
Write-Host " • Manual download: https://github.com/PowerShell/PowerShell/releases/latest" -ForegroundColor White
|
|
Write-Host " • Download the file ending in '-win-x64.msi'" -ForegroundColor White
|
|
Write-Host ""
|
|
}
|
|
|
|
}
|