RewriteEngine on

# need to set this to your web path
RewriteBase   /<web path to your files>

# hide git directory (and others)
RedirectMatch 404 \.(git|cvs|svn|bzr|hg)(/.*|$)

# use autoversioning of js and css files
RewriteRule ^(.*)\.[[:xdigit:]]{32}\.(css|js)$ $1.$2 [L]