add reset cmd

lib/cmd.js

@@ -17,6 +17,7 @@ class Cmd {
     this.blockchain();
     this.simulator();
     this.test();
+    this.reset();
     this.upload();
     this.versionCmd();
     this.otherCommands();
@@ -168,6 +169,19 @@ class Cmd {
       });
   }
 
+  reset() {
+    program
+      .command('reset')
+      .description('resets embarks state on this dapp including clearing cache')
+      .action(function (file) {
+        embark.initConfig('development', {
+          embarkConfig: 'embark.json', interceptLogs: false
+        });
+        embark.reset();
+      });
+  }
+
+
   versionCmd() {
     program
     .command('version')

lib/cmds/reset.js

@@ -0,0 +1,8 @@
+var fs = require('../core/fs.js');
+
+module.exports = function() {
+  fs.removeSync('./chains.json');
+  fs.removeSync('.embark/');
+  fs.removeSync('dist/');
+  console.log("reset done!".green);
+};

lib/core/fs.js

@@ -37,6 +37,10 @@ function existsSync() {
   return fs.existsSync.apply(fs.existsSync, arguments);
 }
 
+function removeSync() {
+  return fs.removeSync.apply(fs.removeSync, arguments);
+}
+
 // returns embarks root directory
 function embarkPath(fileOrDir) {
   return utils.joinPath(__dirname, '/../../', fileOrDir);
@@ -54,6 +58,7 @@ module.exports = {
   readJSONSync: readJSONSync,
   writeJSONSync: writeJSONSync,
   existsSync: existsSync,
+  removeSync: removeSync,
   embarkPath: embarkPath,
   dappPath: dappPath
 };

lib/index.js

@@ -189,6 +189,11 @@ class Embark {
     return new Test(options);
   }
 
+  reset() {
+    let resetCmd = require('./cmds/reset.js');
+    resetCmd();
+  }
+
   // TODO: should deploy if it hasn't already
   upload(platform) {
     let options = {