Support pinned release preloading

Change-type: minor
Closes: #886
Signed-off-by: Cameron Diver <cameron@resin.io>

doc/cli.markdown

@@ -1206,6 +1206,10 @@ path to a png image to replace the splash screen
 
 Disables check for matching device types in image and application
 
+#### --pin-device-to-release, -p
+
+Pin the preloaded device to the preloaded release on provision
+
 #### --docker, -P <docker>
 
 Path to a local docker socket

lib/actions/preload.coffee

@@ -144,6 +144,12 @@ module.exports =
 			boolean: true
 			description: 'Disables check for matching device types in image and application'
 		}
+		{
+			signature: 'pin-device-to-release'
+			boolean: true
+			description: 'Pin the preloaded device to the preloaded release on provision'
+			alias: 'p'
+		}
 	]
 	action: (params, options, done) ->
 		_ = require('lodash')
@@ -186,6 +192,9 @@ module.exports =
 		if options.dontCheckDeviceType and not options.appId
 			exitWithExpectedError('You need to specify an app id if you disable the device type check.')
 
+		options.pinDevice = options['pin-device-to-release']
+		delete options['pin-device-to-release']
+
 		# Get a configured dockerode instance
 		dockerUtils.getDocker(options)
 		.then (docker) ->
@@ -199,6 +208,7 @@ module.exports =
 				options.splashImage
 				options.proxy
 				options.dontCheckDeviceType
+				options.pinDevice
 			)
 
 			gotSignal = false

package.json

@@ -146,7 +146,7 @@
     "resin-image-fs": "^5.0.2",
     "resin-image-manager": "^5.0.0",
     "resin-multibuild": "^0.5.1",
-    "resin-preload": "^6.2.0",
+    "resin-preload": "^6.3.0",
     "resin-release": "^1.2.0",
     "resin-sdk": "9.0.0-beta18",
     "resin-sdk-preconfigured": "^6.9.0",