script to provide multiple working folders for git in windows

git-link.bat

@echo off
REM See: http://timwise.blogspot.com/2011/11/multiple-working-folders-for-git-on.html

if not "%2" == "" goto start

:usage
echo.
echo Usage: %0 SOURCE TARGET
echo.
echo Creates a new linked working copy from an existing working copy so you can work on multiple branches simultaneously whilst sharing history.
echo SOURCE is a full or relative path to the original working copy root
echo TARGET is the name of the folder you would like created for your new working copy. The new folder will be created in the current working directory.
goto end

:start

mkdir "%2"
mkdir "%2"\.git

junction   "%2"\.git\hooks "%1"\.git\hooks > NUL
junction    "%2"\.git\info "%1"\.git\info > NUL
junction    "%2"\.git\logs "%1"\.git\logs > NUL
junction "%2"\.git\objects "%1"\.git\objects > NUL
junction    "%2"\.git\refs "%1"\.git\refs > NUL

copy "%1"\.git\* "%2"\.git\ > NUL

echo Done. You can now go in to "%2", and check out a (new) branch.

:end