Purge Azure Container Repository

Clear-AcrRepository.ps1

# WARNING! This script deletes data!
# Run only if you do not have systems
# that pull images via manifest digest.

Param(
	[Parameter(Mandatory=$true)]
	$registry,
	[Parameter(Mandatory=$true)]
	$repository,
    [switch]
	$enableDelete
)

if ($enableDelete) {
    az acr repository show-manifests --name $registry --repository $repository --query "[?tags[0]==null].digest" -o tsv `
    | %{ az acr repository delete --name $registry --image $repository@$_ --yes }
} else {
    Write-Host "No data deleted."
    Write-Host "Add -enableDelete switch to enable image deletion."
    az acr repository show-manifests --name $registry --repository $repository --query "[?tags[0]==null]" -o tsv
}