Implement resin update command

build/actions/index.js

@@ -13,7 +13,8 @@
     os: require('./os'),
     help: require('./help'),
     examples: require('./examples'),
-    plugin: require('./plugin')
+    plugin: require('./plugin'),
+    update: require('./update')
   };
 
 }).call(this);

build/actions/update.js

@@ -0,0 +1,38 @@
+(function() {
+  var _, async, npm, packageJSON;
+
+  async = require('async');
+
+  _ = require('lodash-contrib');
+
+  npm = require('npm');
+
+  packageJSON = require('../../package.json');
+
+  exports.update = {
+    signature: 'update',
+    description: 'update the resin cli',
+    help: 'Use this command to update the Resin CLI\n\nThis command outputs information about the update process.\nUse `--quiet` to remove that output.\n\nExamples:\n\n	$ resin update',
+    action: function(params, options, done) {
+      return async.waterfall([
+        function(callback) {
+          options = {
+            loglevel: 'silent',
+            global: true
+          };
+          return npm.load(options, _.unary(callback));
+        }, function(callback) {
+          return npm.commands.update([packageJSON.name], callback);
+        }, function(data, lite, callback) {
+          var newVersion;
+          if (_.isEmpty(data)) {
+            return done(new Error('You are already running the latest version'));
+          }
+          newVersion = _.last(_.first(_.last(data)).split('@'));
+          return console.info("Upgraded " + packageJSON.name + " to v" + newVersion + ".");
+        }
+      ], done);
+    }
+  };
+
+}).call(this);

build/app.js

@@ -133,6 +133,8 @@
 
   capitano.command(actions.plugin.remove);
 
+  capitano.command(actions.update.update);
+
   changeProjectDirectory = function(directory) {
     try {
       return process.chdir(directory);

doc/update/update.md

@@ -0,0 +1,10 @@
+# update
+
+Use this command to update the Resin CLI
+
+This command outputs information about the update process.
+Use `--quiet` to remove that output.
+
+Examples:
+
+	$ resin update

lib/actions/index.coffee

@@ -13,3 +13,4 @@ module.exports =
 	help: require('./help')
 	examples: require('./examples')
 	plugin: require('./plugin')
+	update: require('./update')

lib/actions/update.coffee

@@ -0,0 +1,43 @@
+async = require('async')
+_ = require('lodash-contrib')
+npm = require('npm')
+packageJSON = require('../../package.json')
+
+exports.update =
+	signature: 'update'
+	description: 'update the resin cli'
+	help: '''
+		Use this command to update the Resin CLI
+
+		This command outputs information about the update process.
+		Use `--quiet` to remove that output.
+
+		Examples:
+
+			$ resin update
+	'''
+	action: (params, options, done) ->
+		async.waterfall([
+
+			(callback) ->
+				options =
+
+					# TODO: There is no way to quiet npm install completely.
+					# Some output is still shown once the module is updated
+					# https://github.com/npm/npm/issues/2040
+					loglevel: 'silent'
+					global: true
+
+				npm.load(options, _.unary(callback))
+
+			(callback) ->
+				npm.commands.update([ packageJSON.name ], callback)
+
+			(data, lite, callback) ->
+				if _.isEmpty(data)
+					return done(new Error('You are already running the latest version'))
+
+				newVersion = _.last(_.first(_.last(data)).split('@'))
+				console.info("Upgraded #{packageJSON.name} to v#{newVersion}.")
+
+		], done)

lib/app.coffee

@@ -106,6 +106,9 @@ capitano.command(actions.plugin.install)
 capitano.command(actions.plugin.update)
 capitano.command(actions.plugin.remove)
 
+# ---------- Update Module ----------
+capitano.command(actions.update.update)
+
 changeProjectDirectory = (directory) ->
 	try
 		process.chdir(directory)

package.json

@@ -58,6 +58,7 @@
     "lodash-contrib": "~241.4.14",
     "mkdirp": "~0.5.0",
     "nplugm": "^2.1.0",
+    "npm": "^2.6.1",
     "open": "0.0.5",
     "progress-stream": "^0.5.0",
     "resin-cli-visuals": "resin-io/resin-cli-visuals",