#compdef doas

local environ e cmd
local -a _comp_priv_prefix

zstyle -a ":completion:${curcontext}:" environ environ

for e in "${environ[@]}"
do local -x "$e"
done

cmd="$words[1]"
_arguments -s -S -A '-*' : \
  - optL \
  '-L[clear any persisted authorizations]' \
  - default \
  '-a+[specify authentication style]:authentication style' \
  '(-n -s)-C+[check config file and report on command matching]:config:_files' \
  '(-C)-n[non-interactive: fail rather than prompt for a password]' \
  '(-C *)-s[run a shell]' \
  '-u+[run command as specified user]:user:_users' \
  '*::arguments:{ _comp_priv_prefix=( $cmd -n ${(kv)opt_args[-u]} ) ; _normal }'