[[!comment format=mdwn username="joey" subject="""comment 2""" date="2015-09-26T12:33:57Z" content=""" The FilePath parameter to Chroot.debootstrapped is the directory to put the chroot in. If you have a property foo that takes such a chroot directory and generates the tarball you need, you can compose it thus: Chroot.debootstrapped system chrootdir `onChange` foo chrootdir tarball """]]