# Get help about dotfiles bash function.
# Usage: help <FUNCTION>
function help() {
	local fun="${1}"

	if [[ ${fun} == "" ]] || [[ "$(find_function | grep ${fun})" == "" ]]; then
		help help
		return 2
	fi

	cat ~/.bashrc | sed -n -e "/^function ${fun}()/q;p" | tac | sed -n -e "/^[^#]/q;p" | tac | sed -e "s/^# \+//" -e "\$i \ " | sed "1{/^$/d}" | sed "1{/^ *$/d}"
}

# Short for help.
# Usage: h <FUNCTION>
function h() {
	help "${@}"
}

# Autocomplete with available functions.
function _help_functions() {
	_autocomplete $(find_function)
}

complete -F _help_functions help h