This gist will install a Git pre commit hook that will play a 'push it' sample from the Salt N Peppa song… :P

install-commit-hook.sh

#!/bin/sh

# get global git template dir
if [ `git config --global init.templatedir` ]; then
	TEMPLATE_DIR=`git config --global init.templatedir`
else
	# there is no git template dir yet, set it
	git config --global init.templatedir ~/.git
	TEMPLATE_DIR=~/.git
fi

# create the commit hook dir if it does not yet exist
if [ ! -d '$TEMPLATE_DIR/hooks' ]; then
	mkdir -p $TEMPLATE_DIR/hooks
fi

# add post commit hook if it does not yet exist
if [ ! -f $TEMPLATE_DIR/hooks/post-commit ]; then
	curl -s -o $TEMPLATE_DIR/hooks/post-commit https://gist.githubusercontent.com/4np/8284393/raw/c4544ec0a4fb2366a7f960df65dd174d0cf64cf9/pushit.sh
	chmod gou+rx $TEMPLATE_DIR/hooks/post-commit
	echo "installed global post commit hook in "$TEMPLATE_DIR"/hooks"
	echo "run 'git init' in every repository to re-initialize it so it will use the newly added hook"
else
	echo "there already was a post commit hook, skipped installation..."
fi