Implement config inject command

This command allows to user to inject a whole `config.json` file to a
provisioned device.

build/actions/config.js

@@ -98,6 +98,45 @@ limitations under the License.
     }
   };
 
+  exports.inject = {
+    signature: 'config inject <file>',
+    description: 'inject a device configuration file',
+    help: 'Use this command to inject a config.json file to a provisioned device\n\nExamples:\n\n	$ resin config inject my/config.json --type raspberry-pi\n	$ resin config inject my/config.json --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'
+      }
+    ],
+    permission: 'user',
+    root: true,
+    action: function(params, options, done) {
+      var Promise, config, fs, umount, visuals;
+      Promise = require('bluebird');
+      config = require('resin-config-json');
+      visuals = require('resin-cli-visuals');
+      umount = Promise.promisifyAll(require('umount'));
+      fs = Promise.promisifyAll(require('fs'));
+      return Promise["try"](function() {
+        return options.drive || visuals.drive('Select the device drive');
+      }).tap(umount.umountAsync).then(function(drive) {
+        return fs.readFileAsync(params.file, 'utf8').then(JSON.parse).then(function(configJSON) {
+          return config.write(drive, options.type, configJSON);
+        });
+      }).tap(function() {
+        return console.info('Done');
+      }).nodeify(done);
+    }
+  };
+
   exports.reconfigure = {
     signature: 'config reconfigure',
     description: 'reconfigure a provisioned device',

build/app.js

@@ -123,6 +123,8 @@ limitations under the License.
 
   capitano.command(actions.config.write);
 
+  capitano.command(actions.config.inject);
+
   capitano.command(actions.config.reconfigure);
 
   capitano.command(actions.config.generate);

doc/cli.markdown

@@ -81,6 +81,7 @@ 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 inject <file>](#config-inject-60-file-62-)
 	- [config reconfigure](#config-reconfigure)
 	- [config generate <uuid>](#config-generate-60-uuid-62-)
 
@@ -685,6 +686,25 @@ device type
 
 drive
 
+## config inject <file>
+
+Use this command to inject a config.json file to a provisioned device
+
+Examples:
+
+	$ resin config inject my/config.json --type raspberry-pi
+	$ resin config inject my/config.json --type raspberry-pi --drive /dev/disk2
+
+### Options
+
+#### --type, -t <type>
+
+device type
+
+#### --drive, -d <drive>
+
+drive
+
 ## config reconfigure
 
 Use this command to reconfigure a provisioned device

lib/actions/config.coffee

@@ -110,6 +110,51 @@ exports.write =
 			console.info('Done')
 		.nodeify(done)
 
+exports.inject =
+	signature: 'config inject <file>'
+	description: 'inject a device configuration file'
+	help: '''
+		Use this command to inject a config.json file to a provisioned device
+
+		Examples:
+
+			$ resin config inject my/config.json --type raspberry-pi
+			$ resin config inject my/config.json --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'
+		}
+	]
+	permission: 'user'
+	root: true
+	action: (params, options, done) ->
+		Promise = require('bluebird')
+		config = require('resin-config-json')
+		visuals = require('resin-cli-visuals')
+		umount = Promise.promisifyAll(require('umount'))
+		fs = Promise.promisifyAll(require('fs'))
+
+		Promise.try ->
+			return options.drive or visuals.drive('Select the device drive')
+		.tap(umount.umountAsync)
+		.then (drive) ->
+			fs.readFileAsync(params.file, 'utf8').then(JSON.parse).then (configJSON) ->
+				return config.write(drive, options.type, configJSON)
+		.tap ->
+			console.info('Done')
+		.nodeify(done)
+
 exports.reconfigure =
 	signature: 'config reconfigure'
 	description: 'reconfigure a provisioned device'

lib/app.coffee

@@ -97,6 +97,7 @@ capitano.command(actions.os.initialize)
 # ---------- Config Module ----------
 capitano.command(actions.config.read)
 capitano.command(actions.config.write)
+capitano.command(actions.config.inject)
 capitano.command(actions.config.reconfigure)
 capitano.command(actions.config.generate)