Private/Initialize-KoanDirectory.ps1
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function Initialize-KoanDirectory { <# .SYNOPSIS Provides a blank slate for Koans. .DESCRIPTION If Koans folder already exists, the folder(s) are overwritten. Otherwise a new folder structure is produced. .PARAMETER Topic Specifies specific koan topics to reset to the blank state. .NOTES Author: Joel Sallow Module: PSKoans .LINK https://github.com/vexx32/PSKoans #> [CmdletBinding(SupportsShouldProcess, ConfirmImpact = "High")] [OutputType([void])] param( [Parameter()] [string[]] $Topic ) $KoanFolder = Get-PSKoanLocation if ($Topic) { $KoanList = Join-Path -Path $script:ModuleRoot -ChildPath 'Koans' | Get-ChildItem -Recurse -Filter *.Koans.ps1 | Where-Object { $_.BaseName -replace '\.Koans$' -in $Topic } foreach ($OriginalFile in $KoanList) { $TopicName = $OriginalFile.Basename -replace '\.Koans$' $ParentPathPattern = [regex]::Escape((Join-Path -Path $script:ModuleRoot -ChildPath 'Koans')) $PathFragment = $OriginalFile.Fullname -replace $ParentPathPattern if ($PSCmdlet.ShouldProcess($TopicName, "Reset koan topic")) { Write-Verbose "Restoring $TopicName to a blank slate" $DestinationPath = Get-PSKoanLocation | Join-Path -ChildPath $PathFragment $OriginalFile | Copy-Item -Destination $DestinationPath -Force } } } else { if ($PSCmdlet.ShouldProcess($KoanFolder, "Restore the koans to a blank slate")) { if (Test-Path -Path $KoanFolder) { Write-Verbose "Removing the entire koans folder..." Remove-Item -Recurse -Path $KoanFolder -Force } Write-Debug "Copying koans to folder" Copy-Item -Path "$script:ModuleRoot/Koans" -Recurse -Destination $KoanFolder Write-Verbose "Koans copied to '$KoanFolder'" } else { Write-Verbose "Operation cancelled; no modifications made to koans folder." } } Write-Verbose "Koan restoration completed." } |