Implement plugins command

lib/actions/index.coffee

@@ -12,3 +12,4 @@ module.exports =
 	os: require('./os')
 	help: require('./help')
 	examples: require('./examples')
+	plugin: require('./plugin')

lib/actions/plugin.coffee

@@ -0,0 +1,48 @@
+_ = require('lodash')
+_.str = require('underscore.string')
+async = require('async')
+npm = require('npm')
+visuals = require('resin-cli-visuals')
+
+exports.list =
+	signature: 'plugins'
+	description: 'list all plugins'
+	help: '''
+		Use this command to list all the installed resin plugins.
+
+		Examples:
+			$ resin plugins
+	'''
+	permission: 'user'
+	action: (params, options, done) ->
+		async.waterfall([
+
+			(callback) ->
+				npm.load
+
+					# TODO: Maybe we should check the local modules as well?
+					global: true
+
+					depth: 0
+					parseable: true
+				, callback
+
+			(data, callback) ->
+				npm.commands.list([], true, callback)
+
+			(data, lite, callback) ->
+				resinModules = _.filter _.values(data.dependencies), (resinModule) ->
+
+					# TODO: Reuse plugin glob from app.coffee
+					return _.str.startsWith(resinModule.name, 'resin-plugin')
+
+				console.log visuals.widgets.table.horizontal resinModules, [
+					'name'
+					'version'
+					'description'
+					'license'
+				]
+
+				return callback()
+
+		], done)

lib/app.coffee

@@ -100,6 +100,9 @@ capitano.command(actions.examples.list)
 capitano.command(actions.examples.clone)
 capitano.command(actions.examples.info)
 
+# ---------- Plugins Module ----------
+capitano.command(actions.plugin.list)
+
 changeProjectDirectory = (directory) ->
 	try
 		process.chdir(directory)