You can clone with
# pre-commit hook to prevent html5 video or audio files from being checked
# into the repo. because large binary files in a git repo sucks. bad.
MEDIAFILES=$(git diff --cached --name-only --diff-filter=ACR | egrep -n .*\.\(webm\|mp4\|ogg\|mp3\|ogv\|m4v\|avi\|vp8\|mov\|oga\|mp1\|mp2\|mpeg\|3gp\|wav\)$)
if [ -z "$MEDIAFILES" ]; then
echo "Commit failed. Are you trying to check in media files into the repo?"