Push before parsing on diff

Author: junwha

ddiff.py

@@ -163,12 +163,12 @@ def pull_images(tags):
     # print_debug("Done.")
 
 def diff_image(base_tag, target_tag):
+    push_images([base_tag, target_tag])
+
     base_tag = _prepare_tag(base_tag)
     target_tag = _prepare_tag(target_tag)
     target_repo = target_tag.split(":")[0]
 
-    push_images([base_tag, target_tag])
-
     user_dir = os.getcwd()
     output_dir = os.path.join(user_dir, ".ddiff-image")
     shutil.rmtree(output_dir, ignore_errors=True)