How to require a Gist using Composer

require_gist.sh

add_gist_repository(){
	composer config repositories.$1 '{"type":"package","package": {"name": "'$1'","version": "master","source": {"url": "https://gist.github.com/'$1'.git","type": "git","reference":"master"},"autoload": {"classmap": ["."]}}}'

}

require_gist(){
	add_gist_repository $1
	composer require $1:dev-master
}

require_dev_gist(){
	add_gist_repository $1
	composer require-dev $1:dev-master
}