Noveris.ModuleMgmt.psm1
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<# #> ######## # Global settings $InformationPreference = "Continue" $ErrorActionPreference = "Stop" Set-StrictMode -Version 2 <# #> Function Select-ModuleVersionMatches { [OutputType("System.String")] [CmdletBinding()] param( [Parameter(Mandatory=$true,ValueFromPipeline)] [ValidateNotNullOrEmpty()] [string]$Version, [Parameter(Mandatory=$false)] [ValidateNotNull()] [int]$Major = -1, [Parameter(Mandatory=$false)] [ValidateNotNull()] [int]$Minor = -1, [Parameter(Mandatory=$false)] [ValidateNotNull()] [int]$Patch = -1, [Parameter(Mandatory=$false)] [switch]$StrictParse = $false ) process { try { Write-Verbose "Parsing version $Version" $parsed = [Version]::Parse($Version) if ($Major -ge 0 -and $parsed.Major -ne $Major) { return } if ($Minor -ge 0 -and $parsed.Minor -ne $Minor) { return } if ($Patch -ge 0 -and $parsed.Build -ne $Patch) { return } $Version } catch { if ($StrictParse) { Write-Error "Failed to parse version string: $Version" } else { Write-Warning "Failed to parse version string: $Version" } } } } <# #> Function Install-PSModuleWithSpec { [CmdletBinding()] param( [Parameter(mandatory=$true)] [ValidateNotNullOrEmpty()] [string]$Name, [Parameter(Mandatory=$false)] [ValidateNotNull()] [int]$Major = -1, [Parameter(Mandatory=$false)] [ValidateNotNull()] [int]$Minor = -1, [Parameter(Mandatory=$false)] [ValidateNotNull()] [int]$Patch = -1, [Parameter(mandatory=$false)] [switch]$Offline = $false, [Parameter(Mandatory=$false)] [ValidateSet("CurrentUser", "AllUsers")] [string]$Scope = "CurrentUser" ) process { # If not offline, install the latest version that matches the spec, if it doesn't exist locally if (!$Offline) { # Get the modules available online and filter by version spec $target = Find-Module -AllVersions -Name $Name | ForEach-Object { $_.Version.ToString() } | Select-ModuleVersionMatches -Major $Major -Minor $Minor -Patch $Patch | Select-Object -First 1 Write-Verbose "Find module result: $target" # Get the local modules $installed = Get-Module -ListAvailable -Name $Name | ForEach-Object { $_.Version.ToString() } Write-Verbose ("Found local modules: " + ($installed -join ",")) # If we found a match online, check if it is installed locally if (![string]::IsNullOrEmpty($target) -and ($null -eq $installed -or $installed -notcontains $target)) { Write-Verbose "Installing module $Name version $target" Install-Module -Name $Name -RequiredVersion $target -Force -SkipPublisherCheck -Scope $Scope } } # Get the local modules and filter by spec $target = Get-Module -ListAvailable -Name $Name | ForEach-Object { $_.Version.ToString() } | Select-ModuleVersionMatches -Major $Major -Minor $Minor -Patch $Patch | Select-Object -First 1 if ($null -eq $target) { Write-Error "Could not find suitable installed version for $Name" } else { # Return matching target version Write-Verbose "Found local module to import: $target" $target } } } |