import-tasks.ps1
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# <copyright file="import-tasks.ps1" company="Endjin Limited"> # Copyright (c) Endjin Limited. All rights reserved. # </copyright> # Load core task definitions # TBC: What should constitute a core task? # NOTE: These are currently overridden when importing the original 'Endjin.RecommendedPractices.Build' # module as an extension. $taskGroups = @() $taskGroups | ForEach-Object { $taskFilename = "$_.tasks.ps1" $taskFilePath = Resolve-Path ([IO.Path]::Combine($PSScriptRoot, "tasks", $taskFilename)) Write-Verbose "Importing core task: $taskFilename" . $taskFilePath } # Functionality is provided by extensions, for convenience we can provide 1 or more common # scenarios (e.g. .NET Build, Python Build, Azure Deployment etc.), but a customised set # of extensions can be specified in 2 ways: # 1) Defining the '$zerofailedExtensions' variable early in the calling script (i.e. before calling 'ZeroFailed.tasks') # 2) Via the 'ZF_EXTENSIONS' environment variables, however note that the former method will take precedence over the environment variable if ($null -eq $zerofailedExtensions) { [string[]]$zerofailedExtensions = $env:ZF_EXTENSIONS ? ($env:ZF_EXTENSIONS -split ";" | ForEach-Object { $_ }) : @() } # By default, extensions are loaded from the PowerShell Gallery, but this can be overridden # in a similar fashion to the 'ZF_EXTENSIONS' property. $zerofailedExtensionsRepository ??= !$env:ZF_EXTENSIONS_PS_REPO ? "PSGallery" : $env:ZF_EXTENSIONS_PS_REPO # Process the extensions configuration, obtaining them where necessary and # filling-out the addtional metadata required by subsequent steps to load them. if ($zerofailedExtensions.Count -gt 0) { Write-Host "*** Registering Extensions..." -f Green $registeredExtensions = Register-Extensions -Extensions $zerofailedExtensions ` -DefaultRepository $zerofailedExtensionsRepository ` -Verbose:$VerbosePreference } else { Write-Warning "No extensions specified" } # Valiate whether extension dependencies are non-conflicting # For the moment we'll just log a warning and remove duplicate references, with no regard for versioning - first one wins ($registeredExtensions | Group-Object -Property Name) | Where-Object { $_.Count -gt 1 } | ForEach-Object { Write-Warning "Multiple versions of extension '$($_.Name)' have been resolved - removing duplicates, will use the first one found: $($_.Group[0] | Select-Object Name,Version,Path | ConvertTo-Json)" } $registeredExtensions = $registeredExtensions | Group-Object -Property Name | ForEach-Object { $_.Group | Select-Object -First 1 } # # Load the process definition # # The logical process needs to be defined before importing the tasks as they will likely # reference other tasks that they depend on etc. # First we decide where the core process is being defined: # 1) Check whether an extension has been declared as providing it via the 'Process' property # NOTE: For the moment, the first one found wins # 2) If not, fallback to using the core process defined in this module [array]$processesFromExtension = $registeredExtensions | Where-Object { $_.ContainsKey("Process") } if ($processesFromExtension.Count -gt 1) { Write-Warning "Multiple extensions have declared a process definition, will use the first one found: $($processesFromExtension[0] | Select-Object Name,Version,Path,Process | ConvertTo-Json)" } $processFromExtension = $processesFromExtension | Select-Object -First 1 if ($processFromExtension) { $processPath = Join-Path $processFromExtension.Path $processFromExtension.Process Write-Host "Using process from extension '$($processFromExtension.Name)'" -f Green } else { $processPath = Join-Path $PSScriptRoot "tasks" "build.process.ps1" Write-Host "Using default process" -f Green } # Dot-source the file that defines the tasks representing the top-level process if (!(Test-Path $processPath)) { throw "Process definition not found: $processPath" } Write-Verbose "Importing process definition: $processPath" . $processPath # # Load tasks & functions from extensions # Write-Host "Loading functions & tasks from extensions..." -f Green foreach ($extension in $registeredExtensions) { Write-Host $extension.Name -f Cyan $extensionName = $extension.Name if (!$extension.Enabled) { Write-Warning "Skipping disabled extension '$extensionName'" continue } # Import tasks Write-Host "- Importing tasks" $tasksDir = Join-Path $extension.Path "tasks" $tasksToImport = Get-TasksFileListFromExtension -TasksPath $tasksDir if (!($tasksToImport)) { Write-Warning "No tasks found in '$extensionName'" } else { $tasksToImport | ForEach-Object { Write-Verbose "Importing task '$($_.FullName)'" . $_ } } # Import functions Write-Host "- Importing functions" $functionsDir = Join-Path $extension.Path "functions" $functionsToImport = Get-FunctionsFileListFromExtension -FunctionsPath $functionsDir $functionsToImport | ForEach-Object { Write-Verbose "Importing function '$($_.FullName)'" . $_ } } Write-Host "*** Extensions registration complete`n" -f Green |