Add overwrite option so the extraction of the archive can be always performed.

salt/states/archive.py

@@ -12,6 +12,7 @@ import logging
 import os
 import re
 import shlex
+import shutil
 import stat
 import tarfile
 from contextlib import closing
@@ -140,6 +141,7 @@ def extracted(name,
               enforce_toplevel=True,
               enforce_ownership_on=None,
               archive_format=None,
+              overwrite=False,
               **kwargs):
     '''
     .. versionadded:: 2014.1.0
@@ -497,6 +499,10 @@ def extracted(name,
     .. _zipfile: https://docs.python.org/2/library/zipfile.html
     .. _xz-utils: http://tukaani.org/xz/
 
+    overwrite
+        If archive was already extracted, then setting this to True will
+        extract it all over again.
+
     **Examples**
 
     1. tar with lmza (i.e. xz) compression:
@@ -897,7 +903,14 @@ def extracted(name,
     # already need to catch an OSError to cover edge cases where the minion is
     # running as a non-privileged user and is trying to check for the existence
     # of a path to which it does not have permission.
-    extraction_needed = False
+
+    extraction_needed = overwrite
+
+    if extraction_needed:
+        destination = os.path.join(name, contents['top_level_dirs'][0])
+        if os.path.exists(destination):
+            shutil.rmtree(destination)
+
     try:
         if_missing_path_exists = os.path.exists(if_missing)
     except TypeError: