$ hg update foo 0 files updated, 0 files merged, 1 files removed, 0 files unresolved $ hg parents changeset: branch: foo user: Bryan O'Sullivan <bos@serpentine.com> summary: Second commit $ hg update bar 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg parents changeset: branch: bar tag: tip user: Bryan O'Sullivan <bos@serpentine.com> summary: Third commit