Powershell Update Command [portable] Direct
Write-Log "Starting PowerShell update process..." if ($PSVersionTable.PSVersion.Major -ge 7) try Write-Log "Checking for PowerShell Core update..." $oldVersion = $PSVersionTable.PSVersion.ToString() $result = Update-PowerShell -Stable -PassThru -Force -ErrorAction Stop Write-Log "PowerShell updated from $oldVersion to $($result.NewVersion)"
else Write-Log "Skipping PowerShell Core update (not running PS7+)" try Write-Log "Updating all PowerShell modules..." $modules = Get-InstalledModule foreach ($mod in $modules) try $oldVer = $mod.Version Update-Module -Name $mod.Name -Force -ErrorAction Stop $newVer = (Get-InstalledModule -Name $mod.Name).Version if ($newVer -gt $oldVer) Write-Log "Updated module $($mod.Name): $oldVer -> $newVer" powershell update command
catch $errorMsg = "PowerShell update failed: $_" Write-Log $errorMsg $errors += $errorMsg Write-Log "Starting PowerShell update process
# Equivalent manual check: $latest = Invoke-RestMethod -Uri 'https://api.github.com/repos/PowerShell/PowerShell/releases/latest' $current = $PSVersionTable.PSVersion if ($latest.tag_name.TrimStart('v') -gt $current) Write-Host "Update available: $current -> $latest.tag_name" PowerShell updates fall into several categories:
catch $errors += "Help update failed: $_" if ($errors.Count -eq 0) Write-Log "All updates completed successfully."
Here’s a deep, production-ready breakdown of the — covering not just the command itself, but the ecosystem, best practices, and advanced scenarios. 1. Core Concept: What Are You Updating? PowerShell updates fall into several categories: