1 var npm = require('./npm.js')
5 ping.usage = 'npm ping\nping registry'
7 function ping (args, silent, cb) {
8 if (typeof cb !== 'function') {
12 var registry = npm.config.get('registry')
13 if (!registry) return cb(new Error('no default registry set'))
14 var auth = npm.config.getCredentialsByURI(registry)
16 npm.registry.ping(registry, {auth: auth}, function (er, pong) {
17 if (!silent) console.log(JSON.stringify(pong))
18 cb(er, er ? null : pong)