add windows version

Author: Markus Perndorfer

README.md

@@ -11,9 +11,9 @@ You current working dir is *not* modified, so you can fire any command without l
 ## Installation
 
 1. Clone or download this repo
-1. `chmod u+x ybp`
-1. put `ybp` somehwere on your `PATH`
-1. Never type `cd ../../../hybris/bin/platform` or `source setantenv.sh` again
+1. `chmod u+x ybp` (Linux / macOS only)
+1. put `ybp` / `ybp.bat` somehwere on your `PATH`
+1. Never type `cd ../../../hybris/bin/platform` or `source setantenv.sh` / `setantenv.bat` again
 
 ## Examples
 

ybp.bat

@@ -0,0 +1,32 @@
+@setlocal ENABLEEXTENSIONS
+
+@set current=%cd%
+@for /F %%I in ("%current%") do @set root=%%~dI
+
+:loop
+@if EXIST "%current%\hybris\bin\platform\*" (
+    @set platform=%current%\hybris\bin\platform
+)
+@call :dirname "%current%" current
+@IF NOT DEFINED platform IF NOT "%current%"=="%root%" goto :loop
+
+@IF DEFINED platform (
+    @cd "%platform%"
+    @IF "%1"=="ant" (
+        @call setantenv.bat
+    )
+    @%COMSPEC% /c %*
+) ELSE (
+    echo Could not find hybris/bin/platform folder, will NOT execute '%*' 1>&2
+    @EXIT /B 1
+)
+
+@endlocal
+@goto:EOF
+
+:dirname file varName
+    @setlocal ENABLEEXTENSIONS ENABLEDELAYEDEXPANSION
+    @SET _dir=%~dp1
+    @SET _dir=%_dir:~0,-1%
+    @endlocal & set %2=%_dir%
+@goto:EOF