reset example repos util works

lib/resetExampleRepos.js

@@ -1,3 +1,4 @@
+const Promise     = require('bluebird');
 const path        = require('path');
 const execAsync   = require('./execAsync');
 const appRoot     = path.normalize(__dirname + '/..');
@@ -20,21 +21,29 @@ function gitStatusAsync(src, dst) {
 }
 
 function getUntrackedReposAndExamples() {
-  gitStatusAsync()
+  return gitStatusAsync()
   .then(({ stdout }) => {
     let idx = stdout.indexOf('Untracked files:');
     const output = stdout.substr(idx);
-    let lines = output.split('\n');
+    let files = output.split('\n');
 
-    lines.splice(0, 3);
+    files.splice(0, 3);
     idx = 0;
-    while(lines[idx]) idx++;
-    lines.splice(idx, lines.length - idx);
-    lines.forEach((line, i) => {
-      lines[i] = line.trim();
+    while(files[idx]) idx++;
+    files.splice(idx, files.length - idx);
+    files.forEach((line, i) => {
+      files[i] = line.trim();
     });
-    console.log(lines);
+    return files;
   });
 }
 
-getUntrackedReposAndExamples()
+function resetExampleRepos() {
+  getUntrackedReposAndExamples()
+  .then(files => Promise.map(files,
+    file => execAsync('rm -r ' + appRoot + '/' + file)
+    // file => console.log('rm -r ' + appRoot + '/' + file)
+  ))
+}
+
+module.exports = resetExampleRepos;