Add a sync.js script to allow syncing a running supervisor container on a local device

This handy tool uses the resin-sync module to rsync javascript changes into the running container
on a device in the local network. It allows rapid iterations when testing the supervisor on a real device.

Change-Type: patch
Signed-off-by: Pablo Carranza Velez <pablo@resin.io>

Dockerfile

@@ -126,6 +126,7 @@ WORKDIR /usr/src/app
 RUN apt-get update \
 	&& apt-get install -y \
 		g++ \
+		git \
 		libsqlite3-dev \
 		make \
 		python \

package.json

@@ -46,9 +46,10 @@
     "pinejs-client": "^2.4.0",
     "pubnub": "^3.7.13",
     "request": "^2.51.0",
-    "resumable-request": "^1.0.0",
     "resin-lint": "^1.3.1",
     "resin-register-device": "^3.0.0",
+    "resin-sync": "^9.1.0",
+    "resumable-request": "^1.0.0",
     "rimraf": "^2.5.4",
     "rwlock": "^5.0.0",
     "semver": "^5.3.0",
@@ -57,4 +58,4 @@
     "versionist": "^2.8.0",
     "webpack": "^3.0.0"
   }
-}
+}

sync.js

@@ -0,0 +1,23 @@
+#!/usr/bin/env node
+
+// Sync changes in the javascript code to a running supervisor on a device  in the local network
+//
+// Usage:
+//   ./sync.js <device IP>
+//
+// The script will first build a non-optimized version of the js code and sync the resulting app.js
+// onto the supervisor container at the specified IP. It will also restart the supervisor container.
+// The device must be a development variant of Resin OS and the supervisor must be running.
+
+doSync = require('resin-sync').sync('local-resin-os-device').sync;
+
+opts = {
+	deviceIp: process.argv[2],
+	baseDir: __dirname + '/dist',
+	destination: '/usr/src/app/dist',
+	appName: 'resin_supervisor',
+	skipGitignore: true,
+	before: 'npm install && npm run build-no-optimize'
+};
+
+doSync(opts);