projectatomic/rpm-ostree — pull request #52 by cgwalters (2014-11-17 20:49:51+00:00)
Title: compose: Make 'bootstrap_packages' actually optional now

It has in practice been optional since:
827e711eb74135f075f02f5c44685e4e35c1a8b1

Now let's let people write treefiles without it.