Restructure venus temp

Venus.js

@@ -29,9 +29,11 @@ var _         = require('underscore'),
     prompt    = require('cli-prompt'),
     wrench    = require('wrench'),
     fs        = require('fs'),
+    fstools   = require('fs-tools'),
     path      = require('path'),
     deferred  = require('deferred'),
-    ps        = require('./lib/util/ps');
+    ps        = require('./lib/util/ps'),
+    constants = require('./lib/constants');
 
 /**
  * The Venus application object
@@ -106,6 +108,11 @@ Venus.prototype.init = function (args) {
     .option('--singleton', i18n('Ensures all other Venus processes are killed before starting'))
     .action(_.bind(this.command(this.run), this));
 
+  program
+    .command('clean')
+    .description(i18n('Removes all tempoary directories'))
+    .action(_.bind(this.command(this.clean), this));
+
   program.parse(args);
 
   // No command (e.g., "init", "demo", "run") was provided in command line arguments, so run venus with defaults
@@ -289,5 +296,26 @@ Venus.prototype.initProjectDirectory = function (program) {
 
 };
 
+/**
+ * Removes all temporary directories from the proper location and send a
+ * message to the logger.
+ */
+Venus.prototype.clean = function () {
+  var dir = constants.baseTempDir || constants.tempDir,
+      def = deferred();
+
+  fstools.remove(dir, function(err) {
+    if (_.isNull(err)) {
+      logger.warn(i18n('Temp directory at %s does not exist so it could not be removed', dir));
+      def.reject(new Error('No temp directory was found'));
+    } else {
+      logger.info(i18n('Temp directory at %s was removed', dir));
+      def.resolve(dir);
+    }
+  });
+
+  return def.promise;
+};
+
 module.exports = Venus;
 Object.seal(module.exports);

lib/constants.js

@@ -16,12 +16,19 @@
  **/
 
 var os = require('os'),
+    baseTempDir = '/tmp/venus',
     constants;
 
 /**
  * Define constants for Venus application
  */
 constants = {
+  baseTempDir: baseTempDir,
+
+  tempDir: baseTempDir + '/run-',
+
+  port: 2013,
+
   userHome : (process.platform === 'win32') ? process.env['USERPROFILE'] : process.env['HOME'],
 
   /**