Implement self update functionality and notification

build/actions/update.js

@@ -26,10 +26,11 @@
         }, function(data, lite, callback) {
           var newVersion;
           if (_.isEmpty(data)) {
-            return done(new Error('You are already running the latest version'));
+            return callback(new Error('You are already running the latest version'));
           }
           newVersion = _.last(_.first(_.last(data)).split('@'));
-          return console.info("Upgraded " + packageJSON.name + " to v" + newVersion + ".");
+          console.info("Upgraded " + packageJSON.name + " to v" + newVersion + ".");
+          return callback();
         }
       ], done);
     }

build/app.js

@@ -1,5 +1,5 @@
 (function() {
-  var _, actions, async, capitano, changeProjectDirectory, errors, plugins, resin;
+  var _, actions, async, capitano, changeProjectDirectory, errors, plugins, resin, update;
 
   _ = require('lodash');
 
@@ -15,6 +15,8 @@
 
   plugins = require('./plugins');
 
+  update = require('./update');
+
   capitano.permission('user', function(done) {
     return resin.auth.isLoggedIn(function(isLoggedIn) {
       if (!isLoggedIn) {
@@ -145,6 +147,8 @@
 
   async.waterfall([
     function(callback) {
+      return update.check(callback);
+    }, function(callback) {
       return plugins.register('resin-plugin-', callback);
     }, function(callback) {
       var dataPrefix;

build/update.js

@@ -0,0 +1,37 @@
+(function() {
+  var packageJSON, updateAction, updateNotifier;
+
+  updateNotifier = require('update-notifier');
+
+  packageJSON = require('../package.json');
+
+  updateAction = require('./actions/update');
+
+  exports.perform = function(callback) {
+    return updateAction.update.action(null, null, callback);
+  };
+
+  exports.notify = function(update) {
+    if (!process.stdout.isTTY) {
+      return;
+    }
+    return console.log("> Major update available: " + update.current + " -> " + update.latest + "\n> Run resin update to update.\n> Beware that a major release might introduce breaking changes.\n");
+  };
+
+  exports.check = function(callback) {
+    var notifier;
+    notifier = updateNotifier({
+      pkg: packageJSON
+    });
+    if (notifier.update == null) {
+      return callback();
+    }
+    if (notifier.update.type === 'major') {
+      exports.notify(notifier.update);
+      return callback();
+    }
+    console.log("Performing " + notifier.update.type + " update, hold tight...");
+    return exports.perform(callback);
+  };
+
+}).call(this);

lib/actions/update.coffee

@@ -35,9 +35,11 @@ exports.update =
 
 			(data, lite, callback) ->
 				if _.isEmpty(data)
-					return done(new Error('You are already running the latest version'))
+					return callback(new Error('You are already running the latest version'))
 
 				newVersion = _.last(_.first(_.last(data)).split('@'))
 				console.info("Upgraded #{packageJSON.name} to v#{newVersion}.")
 
+				return callback()
+
 		], done)

lib/app.coffee

@@ -5,6 +5,7 @@ resin = require('resin-sdk')
 actions = require('./actions')
 errors = require('./errors')
 plugins = require('./plugins')
+update = require('./update')
 
 capitano.permission 'user', (done) ->
 	resin.auth.isLoggedIn (isLoggedIn) ->
@@ -117,6 +118,9 @@ changeProjectDirectory = (directory) ->
 
 async.waterfall([
 
+	(callback) ->
+		update.check(callback)
+
 	(callback) ->
 		plugins.register('resin-plugin-', callback)
 

lib/update.coffee

@@ -0,0 +1,26 @@
+updateNotifier = require('update-notifier')
+packageJSON = require('../package.json')
+updateAction = require('./actions/update')
+
+exports.perform = (callback) ->
+	updateAction.update.action(null, null, callback)
+
+exports.notify = (update) ->
+	return if not process.stdout.isTTY
+
+	console.log """
+		> Major update available: #{update.current} -> #{update.latest}
+		> Run resin update to update.
+		> Beware that a major release might introduce breaking changes.\n
+	"""
+
+exports.check = (callback) ->
+	notifier = updateNotifier(pkg: packageJSON)
+	return callback() if not notifier.update?
+
+	if notifier.update.type is 'major'
+		exports.notify(notifier.update)
+		return callback()
+
+	console.log("Performing #{notifier.update.type} update, hold tight...")
+	exports.perform(callback)

package.json

@@ -63,6 +63,7 @@
     "progress-stream": "^0.5.0",
     "resin-cli-visuals": "resin-io/resin-cli-visuals",
     "resin-sdk": "^0.0.1",
-    "underscore.string": "~2.4.0"
+    "underscore.string": "~2.4.0",
+    "update-notifier": "^0.3.1"
   }
 }