Refactor Update-Scripts function to improve file comparison logic and user prompts for applying updates

1_Install.ps1

@@ -71,28 +71,93 @@ function Update-Scripts {
                 $extractedDir = Get-ChildItem -Path $tempDir -Directory | Where-Object { $_.Name -eq "windows-install" } | Select-Object -First 1
                 
                 if (($extractedDir) -and ((Test-Path $extractedDir.FullName))) {
-                    # Copy all files except .git directory to current location
-                    Write-Host "Installing updates from $($extractedDir.FullName)..." -ForegroundColor Cyan
+                    Write-Host "Comparing update files with current installation..." -ForegroundColor Cyan
                     
-                    # Copy files from the extracted directory directly
-                    Get-ChildItem -Path $extractedDir.FullName | Where-Object { $_.Name -ne ".git" } | ForEach-Object {
-                        $destPath = Join-Path -Path $updateScriptDir -ChildPath $_.Name
-                        Copy-Item -Path $_.FullName -Destination $destPath -Recurse -Force
+                    # Function to get file hash
+                    function Get-FileHashQuick($filePath) {
+                        if (Test-Path $filePath -PathType Leaf) {
+                            return (Get-FileHash -Path $filePath -Algorithm MD5).Hash
+                        }
+                        return $null
                     }
                     
-                    # Record the update time
+                    $differentFiles = @()
+                    $newFiles = @()
+                    $unchangedFiles = @()
+                    
+                    # Compare files from the extracted directory with existing files
+                    Get-ChildItem -Path $extractedDir.FullName -Recurse | Where-Object { !$_.PSIsContainer -and $_.Name -ne ".git" } | ForEach-Object {
+                        $relativePath = $_.FullName.Substring($extractedDir.FullName.Length + 1)
+                        $currentFilePath = Join-Path -Path $updateScriptDir -ChildPath $relativePath
+                        
+                        if (Test-Path $currentFilePath) {
+                            $newHash = Get-FileHashQuick $_.FullName
+                            $currentHash = Get-FileHashQuick $currentFilePath
+                            
+                            if ($newHash -ne $currentHash) {
+                                $differentFiles += $relativePath
+                            } else {
+                                $unchangedFiles += $relativePath
+                            }
+                        } else {
+                            $newFiles += $relativePath
+                        }
+                    }
+                    
+                    # Display the results
+                    Write-Host "`nUpdate analysis complete!" -ForegroundColor Green
+                    
+                    if ($differentFiles.Count -gt 0) {
+                        Write-Host "`nFiles with changes ($($differentFiles.Count)):" -ForegroundColor Yellow
+                        foreach ($file in $differentFiles) {
+                            Write-Host "  - $file" -ForegroundColor Yellow
+                        }
+                    }
+                    
+                    if ($newFiles.Count -gt 0) {
+                        Write-Host "`nNew files ($($newFiles.Count)):" -ForegroundColor Cyan
+                        foreach ($file in $newFiles) {
+                            Write-Host "  - $file" -ForegroundColor Cyan
+                        }
+                    }
+                    
+                    if ($unchangedFiles.Count -gt 0) {
+                        Write-Host "`nUnchanged files: $($unchangedFiles.Count)" -ForegroundColor DarkGray
+                    }
+                    
+                    # Record the update check time
                     Get-Date -Format "yyyy-MM-dd HH:mm:ss" | Out-File -FilePath $updateCheckFile -Force
                     
-                    Write-Host "Update completed successfully!" -ForegroundColor Green
-                    
-                    # Suggest restarting the script with the updated version
-                    $restartChoice = Read-Host "The script has been updated. Would you like to restart the script to use the updated version? (Y/N)"
-                    if ($restartChoice -eq "Y" -or $restartChoice -eq "y") {
-                        Write-Host "Restarting script..." -ForegroundColor Cyan
-                        Start-Process PowerShell -Verb RunAs -ArgumentList "-ExecutionPolicy Bypass -File `"$PSCommandPath`""
-                        exit
+                    # Only ask to apply changes if there are differences
+                    if ($differentFiles.Count -gt 0 -or $newFiles.Count -gt 0) {
+                        $applyChoice = Read-Host "`nWould you like to apply these changes? (Y/N)"
+                        if ($applyChoice -eq "Y" -or $applyChoice -eq "y") {
+                            Write-Host "Installing updates..." -ForegroundColor Cyan
+                            
+                            # Copy files from the extracted directory directly
+                            Get-ChildItem -Path $extractedDir.FullName | Where-Object { $_.Name -ne ".git" } | ForEach-Object {
+                                $destPath = Join-Path -Path $updateScriptDir -ChildPath $_.Name
+                                Copy-Item -Path $_.FullName -Destination $destPath -Recurse -Force
+                            }
+                            
+                            Write-Host "Update completed successfully!" -ForegroundColor Green
+                            
+                            # Suggest restarting the script with the updated version
+                            $restartChoice = Read-Host "The script has been updated. Would you like to restart the script to use the updated version? (Y/N)"
+                            if ($restartChoice -eq "Y" -or $restartChoice -eq "y") {
+                                Write-Host "Restarting script..." -ForegroundColor Cyan
+                                Start-Process PowerShell -Verb RunAs -ArgumentList "-ExecutionPolicy Bypass -File `"$PSCommandPath`""
+                                exit
+                            }
+                            return $true  # Update performed successfully
+                        } else {
+                            Write-Host "Update cancelled. No changes were made." -ForegroundColor Yellow
+                            return $false
+                        }
+                    } else {
+                        Write-Host "`nNo changes detected. Your installation is up to date!" -ForegroundColor Green
+                        return $false  # No changes to apply
                     }
-                    return $true  # Update performed successfully
                 } else {
                     Write-Host "Could not find extracted update directory." -ForegroundColor Yellow
                 }