#!/usr/bin/env zsh

local cmd=${commands[cmd.exe]:-/mnt/c/Windows/System32/cmd.exe}
[[ -x $cmd ]] || return

case "$(</proc/version)" in
  *Microsoft*) typeset -gi z4h_no_flock=1;;
  *microsoft*)                           ;;
  *)           return                    ;;
esac

local lines=("${(@f)${$(cd -q -- ${cmd:h} && ./${cmd:t} /c set 2>/dev/null)//$'\r'}}")
local keys=(${lines%%=*}) vals=(${lines#*=})
typeset -grA z4h_win_env=(${keys:^vals})
local home=$z4h_win_env[USERPROFILE]
[[ -n $home ]] || return
if [[ $home != [a-zA-Z]':\'* ||
      ( ! -d ${home::=/mnt/${(L)home[1]}/${${home:3}//\\//}} &&
        ! -d ${home::=${home#/mnt}} ) ]]; then
  home=$(command wslpath -- $z4h_win_env[USERPROFILE] 2>/dev/null) || return
  [[ -d $home ]] || return
fi
typeset -gr z4h_win_home=$home