Private/Invoke-Upgrade.ps1
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function Invoke-Upgrade { [CmdletBinding(SupportsShouldProcess = $true)] param ( [Parameter(Mandatory = $false)] [string] $targetDirectory, [Parameter(Mandatory = $false)] [string] $targetFolder = "", [Parameter(Mandatory = $false)] [string] $cacheFileName, [Parameter(Mandatory = $false)] [string] $release, [Parameter(Mandatory = $false)] [switch] $autoApprove ) if ($PSCmdlet.ShouldProcess("Upgrade Release", "Operation")) { $directories = Get-ChildItem -Path $targetDirectory -Filter "v*" -Directory $previousCachedValuesPath = $null $previousVersion = $null $foundPreviousRelease = $false Write-Verbose "UPGRADE: Checking for existing directories in $targetDirectory" foreach ($directory in $directories | Sort-Object -Descending -Property Name) { $releasePath = Join-Path $targetDirectory $directory.Name $releaseCachedValuesPath = Join-Path $releasePath $targetFolder $cacheFileName Write-Verbose "UPGRADE: Checking for existing file in $releasePath, specifically $releaseCachedValuesPath" if(Test-Path $releaseCachedValuesPath) { $previousCachedValuesPath = $releaseCachedValuesPath } if($null -ne $previousCachedValuesPath) { if($directory.Name -eq $release) { Write-Verbose "Latest version $release has already been run. Skipping upgrade..." # If the current version has already been run, then skip the upgrade process break } $foundPreviousRelease = $true $previousVersion = $directory.Name break } } if($foundPreviousRelease) { $upgrade = "" if($autoApprove) { $upgrade = "upgrade" } else { Write-InformationColored "AUTOMATIC UPGRADE: We found version $previousVersion that has been previously run. You can upgrade from this version to the new version $currentVersion" -ForegroundColor Yellow -InformationAction Continue $upgrade = Read-Host "If you would like to upgrade, enter 'upgrade' or just hit 'enter' to continue with a new environment. (upgrade/exit)" } if($upgrade.ToLower() -eq "upgrade") { $currentPath = Join-Path $targetDirectory $release $currentCachedValuesPath = Join-Path $currentPath $targetFolder $cacheFileName # Copy the previous cached values to the current release if($null -ne $previousCachedValuesPath) { Write-InformationColored "AUTOMATIC UPGRADE: Copying $previousCachedValuesPath to $currentCachedValuesPath" -ForegroundColor Green -InformationAction Continue Copy-Item -Path $previousCachedValuesPath -Destination $currentCachedValuesPath -Force | Out-String | Write-Verbose } return $true } } return $false } } |