usage: tautline milestone-advance [-h] [--project PROJECT] [--target TARGET]
                                  --event
                                  {item-blocked,item-complete,pr-abandoned,pr-merged,pr-queued,startup}
                                  [--item-index ITEM_INDEX] [--branch BRANCH]
                                  [--pr PR] [--reason REASON]
                                  [--detail DETAIL]

options:
  -h, --help            show this help message and exit
  --project PROJECT
  --target TARGET
  --event {item-blocked,item-complete,pr-abandoned,pr-merged,pr-queued,startup}
  --item-index ITEM_INDEX
  --branch BRANCH
  --pr PR
  --reason REASON
  --detail DETAIL
