#!/usr/bin/env zsh

eval "$_z4h_opt"

local fd fname
if zstyle -s :z4h:command-not-found to-file fname &&
    [[ -w $fname || ! -e $fname && -w ${fname:h} ]]; then
  fd=3
else
  fd=2
  fname=/dev/null
fi
{
  if (( $#functrace >= 2 )); then
    print -r -- "$functrace[1]: command not found: $1"
    return 127
  fi
  local msg
  if [[ -x /usr/lib/command-not-found ]]; then
    msg="$(/usr/lib/command-not-found --no-failure-msg -- $1 2>&1)"
    if [[ -n $msg ]]; then
      print -r -- ${msg#$'\n'}
      return 127
    fi
  fi
  if [[ -v commands[brew] &&
        -n $HOMEBREW_REPOSITORY &&
        -e $HOMEBREW_REPOSITORY/Library/Taps/homebrew/homebrew-command-not-found/cmd/which-formula.rb ]]; then
    if msg="$(command brew which-formula --explain $1 2>/dev/null)" && [[ -n $msg ]]; then
      print -r -- $msg
      return 127
    fi
  fi
  print -r -- "zsh: command not found: $1"
  return 127
} 3>$fname >&$fd