add registerToken support

bin/cmd.js

@@ -25,6 +25,7 @@ var gcr = require('../lib/gcr')
                 , sslcert: path
                 , sslkey: path
                 , cacert: path
+        		    , registerToken: String
                 }
   , shortHand = { verbose: ['--loglevel', 'verbose']
                 , h: ['--help']
@@ -38,6 +39,7 @@ var gcr = require('../lib/gcr')
                 , C: ['--sslcert']
                 , K: ['--sslkey']
                 , A: ['--cacert']
+	              , r: ['--registerToken']
                 }
   , parsed = nopt(knownOpts, shortHand)
 
@@ -110,6 +112,31 @@ gcr.load(parsed, function(err) {
 
   if (!gcr.config.get('token')) {
     questions.push(tokenQuestion)
+    if (!gcr.config.get('registerToken')) {
+	questions.push(tokenQuestion)
+    } else {
+	    var fp = gcr.config.get('keypath')
+	    fs.readFile(fp, 'utf8', function(err, content) {
+		if (err) {
+		    log.error('[readFile]', 'error reading public key', err)
+		process.exit(1)
+		}
+		gcr.client.registerRunner(content
+      , gcr.config.get('registerToken')
+      , function(err, token) {
+		    if (err) {
+			log.error('[register]', 'error registering', err)
+		    process.exit(1)
+		    } else {
+			gcr.config.set('token', token)
+		    gcr.config.save(function(err) {
+          if (err) throw err
+        })
+		    }
+		})
+	    })
+    }
+        needsRegToken = true
   }
 
   if (questions.length) {

lib/config.default.js

@@ -9,6 +9,7 @@ module.exports = function(parsed) {
   const o = {}
   if (parsed.url) o.url = parsed.url
   if (parsed.token) o.token = parsed.token
+  if (parsed.registToken) o.registToken = parsed.registerToken
   if (parsed.buildDir) o.buildDir = parsed.buildDir
   if (parsed.npm) o.npm = parsed.npm
   if (parsed.timeout) o.timeout = parsed.timeout

lib/gcr.js

@@ -39,6 +39,9 @@ gcr.load = function(opts, cb) {
     if (opts.token) {
       nconf.set('token', opts.token)
     }
+    if (opts.registerToken) {
+        nconf.set('registerToken', opts.registerToken)
+    }
     if (opts.buildDir) {
       nconf.set('buildDir', opts.buildDir)
     }