#!/bin/bash
npmver=$(perl -E "say q{$npm_config_user_agent} =~ m{/(\S+)}")

if semver -r ^3.0.0-0 $npmver > /dev/null; then
	echo "Packaging with $npmver"
else
	echo "Packaging or installing npm@$npm_package_version with npm@$npmver is impossible." 1>&2
	echo "Please install npm@^3.0.0-0 from the registry and use that or run your command with" 1>&2
	echo "this version of npm with:" 1>&2
	npmargs=$(node -e "a=$npm_config_argv; console.log(a.original.join(' '))")
	echo "    $npm_node_execpath $PWD $npmargs" 1>&2
	exit 1
fi