# Retry command every 2 sec until it completes successfully.
# Usage: try <COMMAND>
function try() {
	if [[ ${*} == "" ]]; then
		help try
		return 2
	fi

	local result=-1

	while [ "$result" != 0 ]; do
		${*}
		result=$?
		if [ "$result" != 0 ]; then
			sleep 2
		fi
	done
}

# autocomplete.
complete -F _autocomplete_nested try