Implement config reconfigure command

This command allows the user to reconfigure an already provisioned
device.

Fixes: https://github.com/resin-io/resin-cli/issues/102

build/actions/config.js

@@ -1,10 +1,12 @@
 (function() {
-  var Promise, _, config, prettyjson, umount, visuals;
+  var Promise, _, capitano, config, prettyjson, umount, visuals;
 
   _ = require('lodash');
 
   Promise = require('bluebird');
 
+  capitano = Promise.promisifyAll(require('capitano'));
+
   umount = Promise.promisifyAll(require('umount'));
 
   visuals = require('resin-cli-visuals');
@@ -83,4 +85,49 @@
     }
   };
 
+  exports.reconfigure = {
+    signature: 'config reconfigure',
+    description: 'reconfigure a provisioned device',
+    help: 'Use this command to reconfigure a provisioned device\n\nExamples:\n\n	$ resin config reconfigure --type raspberry-pi\n	$ resin config reconfigure --type raspberry-pi --advanced\n	$ resin config reconfigure --type raspberry-pi --drive /dev/disk2',
+    options: [
+      {
+        signature: 'type',
+        description: 'device type',
+        parameter: 'type',
+        alias: 't',
+        required: 'You have to specify a device type'
+      }, {
+        signature: 'drive',
+        description: 'drive',
+        parameter: 'drive',
+        alias: 'd'
+      }, {
+        signature: 'advanced',
+        description: 'show advanced commands',
+        boolean: true,
+        alias: 'v'
+      }
+    ],
+    permission: 'user',
+    root: true,
+    action: function(params, options, done) {
+      return Promise["try"](function() {
+        return options.drive || visuals.drive('Select the device drive');
+      }).tap(umount.umountAsync).then(function(drive) {
+        return config.read(drive, options.type).get('uuid').tap(function() {
+          return umount.umountAsync(drive);
+        }).then(function(uuid) {
+          var configureCommand;
+          configureCommand = "os configure " + drive + " " + uuid;
+          if (options.advanced) {
+            configureCommand += ' --advanced';
+          }
+          return capitano.runAsync(configureCommand);
+        });
+      }).then(function() {
+        return console.info('Done');
+      }).nodeify(done);
+    }
+  };
+
 }).call(this);

build/app.js

@@ -100,6 +100,8 @@
 
   capitano.command(actions.config.write);
 
+  capitano.command(actions.config.reconfigure);
+
   capitano.command(actions.logs);
 
   update.notify();

doc/cli.markdown

@@ -79,6 +79,7 @@ Now you have access to all the commands referenced below.
 
 	- [config read](#config-read)
 	- [config write <key> <value>](#config-write-60-key-62-60-value-62-)
+	- [config reconfigure](#config-reconfigure)
 
 - Wizard
 
@@ -627,6 +628,30 @@ device type
 
 drive
 
+## config reconfigure
+
+Use this command to reconfigure a provisioned device
+
+Examples:
+
+	$ resin config reconfigure --type raspberry-pi
+	$ resin config reconfigure --type raspberry-pi --advanced
+	$ resin config reconfigure --type raspberry-pi --drive /dev/disk2
+
+### Options
+
+#### --type, -t <type>
+
+device type
+
+#### --drive, -d <drive>
+
+drive
+
+#### --advanced, -v
+
+show advanced commands
+
 # Wizard
 
 ## quickstart [name]

lib/actions/config.coffee

@@ -1,5 +1,6 @@
 _ = require('lodash')
 Promise = require('bluebird')
+capitano = Promise.promisifyAll(require('capitano'))
 umount = Promise.promisifyAll(require('umount'))
 visuals = require('resin-cli-visuals')
 config = require('resin-config-json')
@@ -88,3 +89,55 @@ exports.write =
 		.tap ->
 			console.info('Done')
 		.nodeify(done)
+
+exports.reconfigure =
+	signature: 'config reconfigure'
+	description: 'reconfigure a provisioned device'
+	help: '''
+		Use this command to reconfigure a provisioned device
+
+		Examples:
+
+			$ resin config reconfigure --type raspberry-pi
+			$ resin config reconfigure --type raspberry-pi --advanced
+			$ resin config reconfigure --type raspberry-pi --drive /dev/disk2
+	'''
+	options: [
+		{
+			signature: 'type'
+			description: 'device type'
+			parameter: 'type'
+			alias: 't'
+			required: 'You have to specify a device type'
+		}
+		{
+			signature: 'drive'
+			description: 'drive'
+			parameter: 'drive'
+			alias: 'd'
+		}
+		{
+			signature: 'advanced'
+			description: 'show advanced commands'
+			boolean: true
+			alias: 'v'
+		}
+	]
+	permission: 'user'
+	root: true
+	action: (params, options, done) ->
+		Promise.try ->
+			return options.drive or visuals.drive('Select the device drive')
+		.tap(umount.umountAsync)
+		.then (drive) ->
+			config.read(drive, options.type).get('uuid')
+				.tap ->
+					umount.umountAsync(drive)
+				.then (uuid) ->
+					configureCommand = "os configure #{drive} #{uuid}"
+					if options.advanced
+						configureCommand += ' --advanced'
+					return capitano.runAsync(configureCommand)
+		.then ->
+			console.info('Done')
+		.nodeify(done)

lib/app.coffee

@@ -72,6 +72,7 @@ capitano.command(actions.os.initialize)
 # ---------- Config Module ----------
 capitano.command(actions.config.read)
 capitano.command(actions.config.write)
+capitano.command(actions.config.reconfigure)
 
 # ---------- Logs Module ----------
 capitano.command(actions.logs)