From afc6f1becf32ee135e344257a2a9a1d7e6709838 Mon Sep 17 00:00:00 2001
From: Lars Wirzenius <liw@liw.fi>
Date: Mon, 24 Apr 2017 18:54:26 +0300
Subject: Add helper function to append to list value

---
 lib.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib.py b/lib.py
index 42aede6..6a8a067 100644
--- a/lib.py
+++ b/lib.py
@@ -12,6 +12,10 @@ datadir = os.environ['DATADIR']
 vars = Variables(datadir)
 
 
+def append(key, value):
+    items = vars[key] or []
+    items.append(value)
+    vars[key] = items
 
 
 def ssh_key_file_for_user(user):
-- 
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