first commit

fn/-z4h-init-wsl

@@ -0,0 +1,23 @@
+#!/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