Better UX, use of os to concatenate path

modoboa_installer/scripts/dovecot.py

@@ -88,13 +88,19 @@ class Dovecot(base.Installer):
 
     def post_run(self):
         """Additional tasks."""
-        if self.restore and len(os.listdir(self.restore + "mails")) > 0:
+        mail_dir = os.path.join(self.restore, "mails/")
+        if self.restore and len(os.listdir(mail_dir)) > 0:
             utils.printcolor("Copying mail backup over dovecot directory", utils.GREEN)
             
             if os.path.exists(self.home_dir):
                 shutil.rmtree(self.home_dir)
 
-            shutil.copytree(self.restore+"mails/", self.home_dir)
+            shutil.copytree(mail_dir, self.home_dir)
+            #Resetting permission for vmail
+            for dirpath, dirnames, filenames in os.walk(self.home_dir):
+                shutil.chown(dirpath, self.user, self.user)
+                for filename in filenames:
+                    shutil.chown(os.path.join(dirpath, filename), self.user, self.user)
         elif self.restore:
             utils.printcolor("It seems that mails were not backed up, skipping mail restoration.", utils.MAGENTA)