#compdef chflags

local flags own='-g *(-u$EUID)'

flags=(
  '(noopaque)opaque[set the opaque flag]'
  '(opaque)noopaque[unset the opaque flag]'
  '(dump)nodump[set the nodump flag]'
  '(nodump)dump[unset the nodump flag]'
  '(nouappnd)uappnd[set the user append-only flag]'
  '(uappnd)nouappnd[unset the user append-only flag]'
  '(nouchg)uchg[set the user immutable flag]'
  '(uchg)nouchg[unset the user immutable flag]'
)

if (( ! EUID )); then
  flags=( $flags[@]
    '(noarch)arch[set the archived flag]'
    '(arch)noarch[unset the archived flag]'
    '(nosappnd)sappnd[set the system append-only flag]'
    '(sappnd)nosappnd[unset the system append-only flag]'
    '(noschg)schg[set the system immutable flag]'
    '(schg)noschg[unset the system immutable flag]'
  )
  unset own
fi

if [[ $OSTYPE = freebsd* ]]; then
  flags=( $flags[@]
    '(nouunlnk)uunlnk[set the user undeletable flag]'
    '(uunlnk)nouunlnk[unset the user undeletable flag]'
  )
  (( EUID )) || flags=( $flags[@]
    '(nosunlnk)sunlnk[set the system undeletable flag]'
    '(sunlnk)nosunlnk[unset the system undeletable flag]'
  )
fi

_arguments -s -A "-*" \
  '(-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)]' \
  '-R[recurse directories]' \
  ':file flag:_values -s , "file flags" $flags[@]' \
  '*:file:_files "$own"'