| finalSize currentSize advancement downloadUrl |

downloadUrl := 'https://datahub.io/dataset/06f27df3-ec88-47ea-b428-7ec138f7835e/resource/50a9bda8-e44a-4aac-b265-d07fabde5612/download/offshore-leaks.sqlite.zip'.
finalSize := 54488249.
advancement := 0.
(FileLocator temp / 'offshore-leaks.sqlite.zip') ensureDelete.
[ [ :bar |
		bar title: 'Downloading database...'.
		[
			ZnClient new 
				url: downloadUrl; 
				signalProgress: true;	
				downloadTo: FileLocator temp ]
			on: HTTPProgress 
			do: [ :progress |
				(FileLocator temp / 'offshore-leaks.sqlite.zip') exists
					ifTrue: [
						currentSize := (FileLocator temp / 'offshore-leaks.sqlite.zip') size.
						currentSize > 0 ifTrue: [advancement := (currentSize / finalSize) * 100]
					].
				bar current: advancement. 
				progress resume ] ] asJob run ] fork.