functions/Watch-DbaUpdate.ps1

Function Watch-DbaUpdate
{
<#
.SYNOPSIS
Just for fun - checks the PowerShell Gallery every 1 hour for updates to dbatools. Notifies once max per release.
 
.DESCRIPTION
Just for fun - checks the PowerShell Gallery every 1 hour for updates to dbatools. Notifies once max per release.
     
Anyone know how to make it clickable so that it opens an URL?
 
.NOTES
Tags: JustForFun
dbatools PowerShell module (https://dbatools.io, clemaire@gmail.com)
Copyright (C) 2016 Chrissy LeMaire
 
This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
 
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
 
You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>.
 
.LINK
https://dbatools.io/Watch-DbaUpdate
 
.EXAMPLE
Watch-DbaUpdate
 
Watches the gallery for updates to dbatools.
#>
    

    PROCESS
    {
        if (([Environment]::OSVersion).Version.Major -lt 10)
        {
            Write-Warning "This command only supports Windows 10 and above"
            return
        }
        
        if ($null -eq (Get-ScheduledTask -TaskName "dbatools version check" -ErrorAction SilentlyContinue))
        {
            Install-DbaWatchUpdate
        }
        
        # leave this in for the scheduled task
        $module = Get-Module -Name dbatools
        
        if (!$module)
        {
            Import-Module dbatools
            $module = Get-Module -Name dbatools
        }
        
        $galleryversion = (Find-Module -Name dbatools -Repository PSGallery).Version
        $localversion = $module.Version
        
        if ($galleryversion -le $localversion) { return }
        
        $file = "$env:LOCALAPPDATA\dbatools\watchupdate.xml"
        
        $new = [pscustomobject]@{
            NotifyVersion = $galleryversion
        }
        
        # now that notifications stay until they are checked, we just have to keep
        # track of the last version we notified about
        
        if (Test-Path $file)
        {
            $old = Import-Clixml -Path $file -ErrorAction SilentlyContinue
            
            if ($galleryversion -gt $old.NotifyVersion)
            {
                Export-Clixml -InputObject $new -Path $file
                Show-Notification
            }
        }
        else
        {
            $directory = Split-Path $file
            
            if (!(Test-Path $directory))
            {
                $null = New-Item -ItemType Directory -Path $directory
            }
            
            Export-Clixml -InputObject $new -Path $file
            Show-Notification
        }
    }
}