diff --git a/kallithea/lib/utils2.py b/kallithea/lib/utils2.py
--- a/kallithea/lib/utils2.py
+++ b/kallithea/lib/utils2.py
@@ -681,3 +681,16 @@ def repo_name_slug(value):
     slug = recursive_replace(slug, '-')
     slug = collapse(slug, '-')
     return slug
+
+
+def ask_ok(prompt, retries=4, complaint='Yes or no please!'):
+    while True:
+        ok = raw_input(prompt)
+        if ok in ('y', 'ye', 'yes'):
+            return True
+        if ok in ('n', 'no', 'nop', 'nope'):
+            return False
+        retries = retries - 1
+        if retries < 0:
+            raise IOError
+        print complaint