melboyce

#!/usr/bin/env bash
die() { echo "${1:-hurts}" >&2; exit "${2:-1}"; }

hash jq   2>/dev/null || die "missing dep: jq"

curl -s https://registry.hub.docker.com/v1/repositories/alpine/tags \
    | jq -r '.[].name' \
    | grep -E '^[0-9]+\.[0-9]+(\..+)?$' \
    | sort -t. -k1,1n -k2,2n -k3,3n \
    | tail -n1

melboyce

/*
 * Copyright (c) 1987, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright