Support verbose flag for rsync command

build/rsync.js

@@ -76,6 +76,11 @@ exports.getCommand = function(options) {
         description: 'ignore',
         type: ['string', 'array'],
         message: 'Not a string or array: ignore'
+      },
+      verbose: {
+        description: 'verbose',
+        type: 'boolean',
+        message: 'Not a boolean: verbose'
       }
     }
   });
@@ -85,12 +90,19 @@ exports.getCommand = function(options) {
     destination: "" + username + "@ssh." + (settings.get('proxyUrl')) + ":",
     progress: options.progress,
     shell: ssh.getConnectCommand(options),
-    flags: 'az'
+    flags: {
+      'a': true,
+      'z': true,
+      'v': options.verbose
+    }
   };
   if (options.ignore != null) {
     args.exclude = options.ignore;
   }
   result = rsync.build(args).command();
   result = result.replace(/\\\\/g, '\\');
+  if (options.verbose) {
+    console.log("resin sync command: " + result);
+  }
   return result;
 };

lib/rsync.coffee

@@ -61,6 +61,10 @@ exports.getCommand = (options = {}) ->
 				description: 'ignore'
 				type: [ 'string', 'array' ]
 				message: 'Not a string or array: ignore'
+			verbose:
+				description: 'verbose'
+				type: 'boolean'
+				message: 'Not a boolean: verbose'
 
 	{ username } = options
 	args =
@@ -74,7 +78,11 @@ exports.getCommand = (options = {}) ->
 		# files, and not just copies them blindly.
 		#
 		# z = compress during transfer
-		flags: 'az'
+		# v = increase verbosity
+		flags:
+			'a': true
+			'z': true
+			'v': options.verbose
 
 	# For some reason, adding `exclude: undefined` adds an `--exclude`
 	# with nothing in it right before the source, which makes rsync
@@ -88,4 +96,6 @@ exports.getCommand = (options = {}) ->
 	# backslashes on Windows for some reason.
 	result = result.replace(/\\\\/g, '\\')
 
+	console.log("resin sync command: #{result}") if options.verbose
+
 	return result