Use require to parse package.json for supervisor version

src/app.coffee

@@ -52,7 +52,7 @@ knex('config').select('value').where(key: 'uuid').then ([ uuid ]) ->
 
 	api = require './api'
 	application = require './application'
-	supervisor = require './supervisor'
+	supervisor = require './supervisor-update'
 
 	console.log('Starting OpenVPN..')
 	openvpn = spawn('openvpn', [ 'client.conf' ], cwd: '/data')
@@ -100,5 +100,5 @@ knex('config').select('value').where(key: 'uuid').then ([ uuid ]) ->
 
 	# Let API know we are running a new version
 	application.updateDeviceInfo(
-		supervisor_version: supervisor.version
+		supervisor_version: utils.supervisorVersion
 	)

src/bootstrap.coffee

@@ -9,7 +9,6 @@ config = require './config'
 csrgen = Promise.promisify require 'csr-gen'
 request = Promise.promisify require 'request'
 PlatformAPI = require 'resin-platform-api/request'
-supervisor = require './supervisor'
 
 PLATFORM_ENDPOINT = url.resolve(config.apiEndpoint, '/ewa/')
 resinAPI = new PlatformAPI(PLATFORM_ENDPOINT)
@@ -64,7 +63,7 @@ module.exports = ->
 		console.log('UUID:', uuid)
 		console.log('User ID:', userConfig.userId)
 		console.log('User:', userConfig.username)
-		console.log('Supervisor Version:', supervisor.version)
+		console.log('Supervisor Version:', utils.supervisorVersion)
 		console.log('API key:', userConfig.apiKey)
 		console.log('Application ID:', userConfig.applicationId)
 		console.log('CSR :', keys.csr)
@@ -104,7 +103,7 @@ module.exports = ->
 					{ key: 'apiKey', value: userConfig.apiKey }
 					{ key: 'username', value: userConfig.username }
 					{ key: 'userId', value: userConfig.userId }
-					{ key: 'version', value: supervisor.version }
+					{ key: 'version', value: utils.supervisorVersion }
 				])
 			knex('app').truncate()
 		])

src/supervisor.coffee

@@ -1,15 +1,8 @@
 process.on 'uncaughtException', (e) ->
 	console.error('Got unhandled exception', e, e?.stack)
 
-fs = require 'fs'
 supervisor = require './supervisor-update'
 
-# Parses package.json and returns resin-supervisor's version
-supervisor.version = version = do ->
-	packageJson = fs.readFileSync(__dirname + '/../package.json', 'utf-8')
-	obj = JSON.parse packageJson
-	return obj.version
-
 # Make sure the supervisor-update has initialised before we continue, as it will handle restarting to add mounts if
 # necessary.
 supervisor.initialised.then ->
@@ -26,5 +19,3 @@ supervisor.initialised.then ->
 	# Wait for the DB schema to be created
 	knex.init.then ->
 		require('./app')
-
-module.exports = exports = supervisor

src/utils.coffee

@@ -5,6 +5,9 @@ config = require './config'
 mixpanel = require 'mixpanel'
 request = Promise.promisifyAll require 'request'
 
+# Parses package.json and returns resin-supervisor's version
+exports.supervisorVersion = require('../package.json').version
+
 mixpanelClient = mixpanel.init(config.mixpanelToken)
 
 exports.mixpanelProperties = mixpanelProperties =