gia-cli/lib/utils/checkVersion.js

Guardian US Interactive CLI tool

var exec = require( 'child_process' ).exec;
var Promise = require( 'sander' ).Promise;
var semver = require( 'semver' );
var chalk = require( 'chalk' );

var localVersion = require( '../../package.json' ).version;

module.exports = function ( force ) {
	return new Promise( function ( fulfil, reject ) {
		exec( 'npm show gia-cli version', function ( err, result ) {
			if ( err ) return reject( err );
			fulfil( result.trim() );
		});
	}).then( function ( latestVersion ) {
		if ( semver.gt( latestVersion, localVersion ) ) {
			if ( !force ) {
				throw new Error( 'gia-cli is out of date (you have ' + localVersion + ', latest version is ' + latestVersion + '). Run npm i -g gia-cli@latest' );
			}

			console.error( '\ngia-cli is out of date (you have %s, latest version is %s). --force mode enabled, continuing anyway', localVersion, latestVersion );
		}
	});
};