Public/Format-DockerTag.ps1
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function Format-DockerTag { [CmdletBinding()] param ( [Parameter(ValueFromPipelineByPropertyName = $true)] [ValidateNotNullOrEmpty()] [String] $Dockerfile = 'Dockerfile' ) $pathToDockerFile = Format-AsAbsolutePath $DockerFile $dockerFileExists = [System.IO.File]::Exists($pathToDockerFile) if (!$dockerFileExists) { $message = "No such file: ${pathToDockerFile}" throw [System.IO.FileNotFoundException]::new($message) } $parentDirCount = (Split-Path -Parent $pathToDockerFile).Split([IO.Path]::DirectorySeparatorChar).Length if ($parentDirCount -lt 3) { throw "The parent directory structure cannot be parsed into a valid docker tag, full path: ${pathToDockerFile}" } $archPath = Split-Path -Parent -Path $pathToDockerFile $distroPath = Split-Path -Parent -Path $archPath $versionPath = Split-Path -Parent -Path $distroPath $result = [PSCustomObject]@{ 'Dockerfile' = $pathToDockerFile 'Arch' = $(Split-Path -Leaf -Path $archPath) 'Distro' = $(Split-Path -Leaf -Path $distroPath) 'Version' = $(Split-Path -Leaf -Path $versionPath) 'Tag' = '' } $result.Tag = $result.Version + '-' + $result.Distro + '-' + $result.Arch return $result } |