040000 tree 8155fc4e0ff5441597f622ee60b7c28a2102af49	common-prep
040000 tree 10ccf8061d732c9ef6cc722f16be6f2a8d3f24da	compute-prep
040000 tree c736a946c9d35387af3853ee055ef3fa55480d07	head-prep
040000 tree c5179d0ef86ce469ae47fc6d22f1fab24fad25b3	juju-setup
040000 tree 51dff8c38a05b47ae69342d9e26d059538d00065	juju-user-prep
040000 tree f9ddfabc67a0762b8d692c3789489a97c91a4423	test-prep