Hitch author completion

_hitch.sh

#compdef hitch

__hitch_authors() {
  local expl
  local -a _authors
  if [ -f $HOME/.hitch_pairs ]; then
    _authors=(${${(f)"$(cat $HOME/.hitch_pairs | awk '/:/ { print }')"}/:[ $'\t']##/:})
  fi
  _describe -t hitch-authors 'hitch authors' _authors "$@"
}

_hitch() {
  local state ret=1

  _arguments -C \
    '(- 1 *)'{-v,--version}'[Display version information]' \
    '(-h|--help)--help[Show help message]' \
    '(-u|--unhitch)'{-u,--unhitch}'+[Clear pair information]' \
    '(-e|--expire)'{-e,--expire}'+[Expire pair information in N hours]:number' \
    '(-s|--setup)--setup[Print out shell goodies]' \
    '*:: :->hitch_authors' && ret=0

  if [[ ${state} == "hitch_authors" ]]; then
    _call_function ret __hitch_authors
  fi

  return ret
}

_hitch

Save this file as _hitch and put it in your fpath. For example, I put the file in ~/.zsh/functions/, since that folder is included in my fpath.

In zsh, fpath works similarly to PATH, only for zsh-specific functions. You can run echo $fpath to view.