on_committer_date "1971-08-16 00:00:06" save_tag b1 unique_commit b1 tree -p a0
on_committer_date "1971-08-16 00:00:07" save_tag c1 unique_commit c1 tree -p b1
on_committer_date "1971-08-16 00:00:08" as_author foobar@example.com save_tag b2 unique_commit b2 tree -p b1
on_committer_date "1971-08-16 00:00:06" save_tag b1 unique_commit b1 tree -p a0
on_committer_date "1971-08-16 00:00:07" save_tag c1 unique_commit c1 tree -p b1
on_committer_date "1971-08-16 00:00:08" as_author foobar@example.com save_tag b2 unique_commit b2 tree -p b1