Functions/Compare-PSGalleryObject.ps1
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Function Compare-PSGalleryObject { <# .SYNOPSIS Compares the installed module(s) or script(s) that have been installed from PowerShellGallery.com .DESCRIPTION Compares the installed module(s) or script(s) that have been installed from PowerShellGallery.com. You can enter an object name with wildcards. Optionally you can choose to only see those objects that need to be upgraded. Defaults to searching for modules. .PARAMETER Name An optional parameter indicating the name of the object you are looking for. Wildcards are acceptable. .PARAMETER Module A switch indicating the function should just return modules. This is the default behavior. .PARAMETER Script A switch indicating the function should just return scripts. .PARAMETER NeedUpgrade A switch indicating the function should only return those objects that need to be upgraded .EXAMPLE Compare-PSGalleryObject -Name *Functions Would only return those modules that end with the string 'Functions' .EXAMPLE Compare-PSGalleryObject -Name New-TextMenu -Script Would return the state of the installed script 'New-TextMenu' .NOTES Inspired by Get-ModuleVersionInformation at: https://tfl09.blogspot.com/2018/07/keeping-powershell-modules-up-to-date.html Changes: * renamed function to Compare-PSGalleryObject * switches to search for either Module or Script object types, -Module or -Script * switch to display only those objects needing to be upgraded, -NeedUpgrade * comment based help * write-verbose statements * added -AllowPrerelease to Find-Module / Find-Script statements #> #region parameter [CmdletBinding(DefaultParameterSetName = 'Module',ConfirmImpact='None')] [OutputType('psobject')] Param ( [Parameter(ParameterSetName = 'Module')] [Parameter(ParameterSetName = 'Script')] [string] $Name = '*', [Parameter(ParameterSetName = 'Module')] [switch] $Module, [Parameter(ParameterSetName = 'Script')] [switch] $Script, [Parameter(ParameterSetName = 'Module')] [Parameter(ParameterSetName = 'Script')] [switch] $NeedUpgrade ) #endregion parameter begin { Write-Verbose -Message "Starting [$($MyInvocation.Mycommand)]" Write-Verbose -Message "ParameterSetName [$($PsCmdlet.ParameterSetName)]" switch ($PsCmdlet.ParameterSetName) { 'Module' { Write-Verbose "Searching for object type MODULE" } 'Script' { Write-Verbose "Searching for object type SCRIPT" } } Write-Verbose -Message "Finding installed objects that match name [$Name]. A '*' within the brackets indicates all objects." Write-Verbose -Message "Searching for just those objects that need an upgrade [$NeedUpgrade]" } process { switch ($PsCmdlet.ParameterSetName) { 'Module' { $Objects = Get-InstalledModule -Verbose:$False | Where-Object { $_.Name -like $Name } Write-Verbose -Message ('{0} modules locally that match [{1}]' -f $Objects.count, $Name) Foreach ($Object in $Objects) { Write-Verbose -Message "Processing $($Object.name)" $UpdateObject = [ordered] @{} # create the hash table $UpdateObject.ObjectType = 'Module' $UpdateObject.Name = $Object.Name # Add name $UpdateObject.InstalledVersion = $Object.Version # And local version try { # Find module, and add gallery version number to hash table $GalObj = Find-Module -Name $Object.name -ErrorAction Stop -AllowPrerelease $UpdateObject.PSGalleryVersion = $GalObj.Version | Sort-Object -Descending | Select-Object -First 1 } # here - find module could not find the module in the gallery Catch { # If module isn't in the gallery $UpdateObject.PSGalleryVersion = [System.Version]::new(0,0) } # now emit the object if ($NeedUpgrade) { New-Object -TypeName PSObject -Property $UpdateObject | where-object { $_.InstalledVersion -ne $_.PSGalleryVersion } } else { New-Object -TypeName PSObject -Property $UpdateObject } } } 'Script' { $Objects = Get-InstalledScript -Verbose:$False | Where-Object { $_.Name -like $Name } Write-Verbose -Message ('{0} scripts locally that match [{1}]' -f $Objects.count, $Name) Foreach ($Object in $Objects) { Write-Verbose -Message "Processing $($Object.name)" $UpdateObject = [ordered] @{} # create the hash table $UpdateObject.ObjectType = 'Script' $UpdateObject.Name = $Object.Name # Add name $UpdateObject.InstalledVersion = $Object.Version # And local version try { # Find module, and add gallery version number to hash table $GalObj = Find-Script -Name $Object.name -ErrorAction Stop -AllowPrerelease $UpdateObject.PSGalleryVersion = $GalObj.Version | Sort-Object -Descending | Select-Object -First 1 } # here - find module could not find the module in the gallery Catch { # If module isn't in the gallery $UpdateObject.PSGalleryVersion = [System.Version]::new(0,0) } # now emit the object if ($NeedUpgrade) { New-Object -TypeName PSObject -Property $UpdateObject | where-object { $_.InstalledVersion -ne $_.PSGalleryVersion } } else { New-Object -TypeName PSObject -Property $UpdateObject } } } } } end { Write-Verbose -Message "Ending $($MyInvocation.Mycommand)" } } |