New field in dsc
  specifies
    url(s) to clone to get history
    commit hash corresponding to the thing uploaded
    optional commit hash corresponding to pristine tar

dget or something
  fetches dsc
  clones repo
  repros pristine-tar

git-buildpackage
  adds field for master commit hash
  adds field for pristine tar

dupload (?)
  does signature
  does push to server(s)
  adds tags to changes file to promise has pushed
  does actual upload

where on alioth upstream

rc bugs for
  server(s?) not reachable
  mismatch