From bfaa23c896df72b8b34ad70c723d05a206a56c19 Mon Sep 17 00:00:00 2001
From: Lars Wirzenius <liw@liw.fi>
Date: Sun, 11 Jun 2017 18:27:14 +0300
Subject: Fix: Make "obnam forget" for GA delete unused chunks

---
 obnamlib/fmt_ga/leaf.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'obnamlib/fmt_ga/leaf.py')

diff --git a/obnamlib/fmt_ga/leaf.py b/obnamlib/fmt_ga/leaf.py
index 6522a6a9..7f293cc3 100644
--- a/obnamlib/fmt_ga/leaf.py
+++ b/obnamlib/fmt_ga/leaf.py
@@ -1,4 +1,4 @@
-# Copyright 2016  Lars Wirzenius
+# Copyright 2016-2017  Lars Wirzenius
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -36,6 +36,10 @@ class CowLeaf(object):
     def insert(self, key, value):
         self._dict[key] = value
 
+    def remove(self, key):
+        if key in self._dict:
+            del self._dict[key]
+
     def as_dict(self):
         return copy.deepcopy(self._dict)
 
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