#compdef chflags

local own='-g *(-u$EUID)'
local -a args recurse

(( ! EUID || $+_comp_priv_prefix )) && own=

case $OSTYPE in
  (darwin|dragonfly|freebsd)*)
    args=(
      "-f[don't display diagnostic messages]"
      '-v[verbose output]'
    )
  ;|
  darwin*|freebsd*)
    recurse=( "-x[don't cross mount points]" )
  ;|
  netbsd*)
    args=( '-d[if the change requested would not alter the flags, attempt no change]' )
  ;|
esac

_arguments -s -A "-*" : $args \
  ': :_file_flags' \
  '*:file:_files "$own"' \
  - opth \
  '-h[act on symlinks]' \
  - optR $recurse \
  '-R[recurse directories]' \
  '(-L -P)-H[follow symlinks on the command line (specify with -R)]' \
  '(-H -P)-L[follow all symlinks (specify with -R)]' \
  '(-L -H)-P[do not follow symlinks (specify with -R)]'